@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/manrope-latin.woff2") format("woff2");
}

/* Text remains selectable and printable. Media itself stays non-selectable so
   dragging artwork does not interrupt the full-viewport interactions. */
html,
body {
  -webkit-touch-callout: default;
  -webkit-user-select: text;
  user-select: text;
}

img,
picture,
video,
canvas,
svg,
object,
embed {
  -webkit-user-drag: none;
  -webkit-user-select: none;
  user-select: none;
}

img,
picture,
video,
canvas,
object,
embed {
  pointer-events: none;
}

:root {
  --ink: #050608;
  --ink-soft: #0a0c10;
  --panel: #0e1117;
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.07);
  --paper: #f7f9fc;
  --muted: #c5d0dd;
  --text-primary: #f7f9fc;
  --text-secondary: #dce6f2;
  --text-tertiary: #c5d0dd;
  --text-label: #b7c4d3;
  --violet: #a68cff;
  --violet-bright: #c0afff;
  --mint: #8cf7d2;
  --lime: #d2ff66;
  --orange: #ff9b66;
  --font-sans: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Manrope", "Helvetica Neue", Arial, sans-serif;
  --page-gutter: clamp(1.25rem, 4.2vw, 5rem);
  --header-height: 3.5rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.65, 0, 0.35, 1);
  --scroll-energy: 0;
  --scroll-direction: 1;
  --scroll-velocity: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.js body:not(.is-loaded) {
  overflow: hidden;
}

::selection {
  background: var(--violet);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

img,
svg {
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-150%);
  border-radius: 0.25rem;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  transition: transform 0.2s;
}

.skip-link:focus {
  transform: translateY(0);
}

.motion-scope:not(.is-motion-active),
.motion-scope:not(.is-motion-active) *,
.motion-scope:not(.is-motion-active)::before,
.motion-scope:not(.is-motion-active)::after,
.motion-scope:not(.is-motion-active) *::before,
.motion-scope:not(.is-motion-active) *::after {
  animation-play-state: paused !important;
}

.ambient {
  position: fixed;
  z-index: 0;
  width: 44rem;
  height: 44rem;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.19;
  will-change: transform;
}

.ambient-one {
  top: -22rem;
  right: -10rem;
  background: radial-gradient(circle, rgba(120,92,255,.58), rgba(120,92,255,.12) 42%, transparent 70%);
}

.ambient-two {
  bottom: -30rem;
  left: -18rem;
  background: radial-gradient(circle, rgba(81,220,180,.45), rgba(81,220,180,.08) 42%, transparent 70%);
}

.noise {
  position: fixed;
  z-index: 90;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

main,
.site-footer {
  position: relative;
  z-index: 2;
}

.scroll-progress {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  pointer-events: none;
}

.scroll-progress span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--violet), var(--mint));
  box-shadow: 0 0 16px rgba(166, 140, 255, 0.8);
}

.scroll-progress span::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -2px;
  width: 7px;
  height: 7px;
  transform: translateY(-50%) scale(calc(.65 + var(--scroll-energy) * .75));
  border-radius: 50%;
  background: #dffff5;
  box-shadow: 0 0 8px var(--mint), 0 0 24px var(--mint);
  opacity: calc(.45 + var(--scroll-energy) * .55);
}

.scroll-wake {
  position: fixed;
  z-index: 190;
  top: 50%;
  right: clamp(.7rem, 1.4vw, 1.35rem);
  display: flex;
  align-items: center;
  gap: .55rem;
  transform: translateY(-50%);
  opacity: calc(.16 + var(--scroll-energy) * .76);
  pointer-events: none;
  transition: opacity .28s ease;
}

.scroll-wake > span {
  color: rgba(202, 205, 216, .46);
  font: .36rem/1 var(--font-mono);
  letter-spacing: .16em;
  writing-mode: vertical-rl;
}

.scroll-wake > i {
  position: relative;
  display: block;
  width: 1px;
  height: 5.5rem;
  overflow: visible;
  background: rgba(255, 255, 255, .1);
}

.scroll-wake > i::before,
.scroll-wake > i::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 5px;
  height: 1px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, .3);
}

.scroll-wake > i::before { top: 0; }
.scroll-wake > i::after { bottom: 0; }

.scroll-wake > i b {
  position: absolute;
  top: 50%;
  left: -1px;
  width: 3px;
  height: 72%;
  transform: translateY(calc(-50% + var(--scroll-direction) * .8rem)) scaleY(calc(.12 + var(--scroll-energy) * .88));
  border-radius: 99px;
  background: linear-gradient(transparent, var(--violet-bright), var(--mint), transparent);
  box-shadow: 0 0 11px rgba(140, 247, 210, .7);
  transition: transform .16s ease-out;
}

.cursor-light,
.cursor-dot,
.cursor-ring {
  position: fixed;
  z-index: 500;
  top: 0;
  left: 0;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
}

.cursor-light {
  z-index: 499;
  width: 12rem;
  height: 12rem;
  margin: -6rem 0 0 -6rem;
  background: radial-gradient(
    circle,
    rgba(151, 199, 255, .2) 0%,
    rgba(141, 119, 255, .11) 24%,
    rgba(93, 204, 217, .045) 44%,
    transparent 70%
  );
  filter: blur(2px);
  mix-blend-mode: screen;
  transition: opacity .12s ease-out;
  will-change: transform, opacity;
}

body.has-cursor.cursor-over-visual .cursor-light { opacity: 1; }

.cursor-dot {
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  background: var(--paper);
  box-shadow: 0 0 10px rgba(255, 255, 255, .75);
  transition: width .25s var(--ease-out), height .25s var(--ease-out), margin .25s var(--ease-out), background .25s;
}

.cursor-ring {
  display: grid;
  width: 38px;
  height: 38px;
  margin: -19px 0 0 -19px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.46);
  background: rgba(7, 8, 12, .08);
  backdrop-filter: blur(1.5px);
  transition: width .14s var(--ease-out), height .14s var(--ease-out), margin .14s var(--ease-out), background .14s, border-color .14s, opacity .12s;
}

.cursor-ring::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-top: 1px solid rgba(166, 140, 255, .55);
  border-right: 1px solid transparent;
  border-bottom: 1px solid rgba(140, 247, 210, .34);
  border-left: 1px solid transparent;
  border-radius: 50%;
  animation: cursor-orbit 4.8s linear infinite;
}

.cursor-ring::after {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  width: 4px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
}

.cursor-ring > i {
  position: absolute;
  inset: 8px;
}

.cursor-ring > i::before,
.cursor-ring > i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: rgba(255, 255, 255, .26);
}

.cursor-ring > i::before { width: 100%; height: 1px; transform: translate(-50%, -50%); }
.cursor-ring > i::after { width: 1px; height: 100%; transform: translate(-50%, -50%); }

.cursor-ring > span {
  position: absolute;
  top: calc(100% + .65rem);
  left: 50%;
  padding: .3rem .42rem;
  transform: translate(-50%, -.25rem);
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(5, 6, 8, .86);
  color: #c9cad1;
  font: .34rem/1 var(--font-mono);
  letter-spacing: .14em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity .2s, transform .3s var(--ease-out);
}

body.has-cursor .cursor-dot,
body.has-cursor .cursor-ring {
  opacity: .88;
}

body.cursor-over-visual .cursor-ring {
  width: 66px;
  height: 66px;
  margin: -33px 0 0 -33px;
  border-color: rgba(166, 140, 255, 0.72);
  background: rgba(166, 140, 255, 0.075);
}

body.cursor-over-visual .cursor-dot {
  width: 3px;
  height: 3px;
  margin: -1.5px 0 0 -1.5px;
  background: var(--mint);
}

body.cursor-active .cursor-ring > span {
  transform: translate(-50%, 0);
  opacity: 1;
}

body.cursor-over-visual .cursor-ring > span { display: none; }

body.cursor-pressed .cursor-ring {
  width: 52px;
  height: 52px;
  margin: -26px 0 0 -26px;
  background: rgba(140, 247, 210, .09);
  border-color: rgba(140, 247, 210, .7);
}

/* The bridge already supplies its own star motion. Hide the illuminated
   pointer reticle there so it cannot read as a large foreground star. */
body.is-film-star-bridge .cursor-light,
body.is-film-star-bridge .cursor-dot,
body.is-film-star-bridge .cursor-ring {
  visibility: hidden;
  opacity: 0 !important;
}

@keyframes cursor-orbit {
  to { transform: rotate(360deg); }
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button,
  body.has-cursor [data-tilt] { cursor: none; }

  body.has-cursor.is-film-star-bridge,
  body.has-cursor.is-film-star-bridge a,
  body.has-cursor.is-film-star-bridge button,
  body.has-cursor.is-film-star-bridge [data-tilt] { cursor: auto; }
}

.site-loader {
  position: fixed;
  z-index: 999;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #050608;
  transition: clip-path .52s var(--ease-out), visibility .52s;
  clip-path: inset(0 0 0 0);
}

.no-js .site-loader,
.is-loaded .site-loader {
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
}

.loader-mark {
  width: 4.2rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(1rem) scale(0.9);
  animation: loader-mark-in 0.7s 0.1s var(--ease-out) forwards;
}

.loader-mark img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 16px rgba(166,140,255,.45));
}

.loader-line {
  width: min(17rem, 62vw);
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.13);
}

.loader-line span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--violet);
  transition: transform 0.1s linear;
}

.loader-meta {
  display: flex;
  justify-content: space-between;
  width: min(17rem, 62vw);
  margin-top: 0.75rem;
  color: #747984;
  font: 0.62rem/1 var(--font-mono);
  letter-spacing: 0.13em;
}

@keyframes loader-mark-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: var(--header-height);
  padding: 0 var(--page-gutter);
  border-bottom: 1px solid transparent;
  transition: height 0.4s var(--ease-out), background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}

.site-header.is-scrolled {
  height: 3.25rem;
  border-color: var(--line-soft);
  background: rgba(5, 6, 8, 0.74);
  backdrop-filter: blur(18px) saturate(135%);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 0.7rem;
  width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: auto;
  aspect-ratio: 480.736930 / 437.006145;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 7px rgba(166,140,255,.38));
}

.brand-type {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-type span {
  margin-left: 0.2rem;
  color: #a2a6b0;
  font-weight: 500;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.5rem);
}

.desktop-nav a {
  position: relative;
  color: #a5a9b2;
  font: 0.68rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.25s;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.5rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  background: var(--violet);
  transition: transform 0.35s var(--ease-out);
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--paper);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.section-shell {
  width: 100%;
  padding: clamp(7rem, 12vw, 12rem) var(--page-gutter);
}

.hero {
  --hero-progress: 0;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
  min-height: max(47rem, 100svh);
  overflow: hidden;
  padding: var(--header-height) var(--page-gutter) 3.5rem;
  background:
    radial-gradient(circle at 50% 48%, rgba(121, 91, 227, .14), transparent 34%),
    radial-gradient(circle at 72% 27%, rgba(140, 247, 210, .045), transparent 24%),
    radial-gradient(circle at 24% 72%, rgba(95, 70, 176, .055), transparent 30%),
    #050608;
}

.hero::after {
  content: "";
  position: absolute;
  right: var(--page-gutter);
  bottom: 0;
  left: var(--page-gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.16), transparent);
}

.hero-orbit-system {
  position: absolute;
  z-index: 0;
  inset: 0;
  contain: paint;
  opacity: calc(.82 - var(--hero-progress) * .32);
  transform: translate3d(0, calc(var(--hero-progress) * -22px), 0)
    scale(calc(1 + var(--hero-progress) * .025));
  transform-origin: 50% 50%;
  pointer-events: none;
  will-change: opacity;
}

.hero-orbit-system::before {
  content: "";
  position: absolute;
  inset: 8% 10%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(93, 69, 173, .09), rgba(5, 6, 8, 0) 66%);
}

.hero-orbit-system svg {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-orbit-system path,
.hero-orbit-system circle,
.hero-orbit-system ellipse {
  vector-effect: non-scaling-stroke;
}

.orbit {
  fill: none;
  stroke: rgba(190, 178, 244, .13);
  stroke-width: 1;
}

.orbit-outer {
  stroke: rgba(166, 140, 255, .2);
  stroke-dasharray: 1 13;
}

.orbit-mid {
  stroke: rgba(140, 247, 210, .17);
  stroke-dasharray: 96 28 2 28;
}

.orbit-inner {
  stroke: rgba(255, 255, 255, .1);
  stroke-dasharray: 170 44;
}

.orbit-tilted {
  stroke: rgba(198, 184, 255, .17);
  stroke-dasharray: 260 52 4 52;
}

.orbit-tilted-alt {
  stroke: rgba(140, 247, 210, .11);
  stroke-dasharray: 5 19 120 32;
}

.orbit-axis {
  fill: none;
  stroke: rgba(255, 255, 255, .055);
  stroke-width: 1;
  stroke-dasharray: 1 10;
}

.constellation path {
  fill: none;
  stroke: rgba(173, 158, 226, .11);
  stroke-width: 1;
}

.constellation use,
.orbit-rotor use {
  fill: #d9fff3;
  stroke: rgba(140, 247, 210, .6);
  stroke-width: 1;
}

.star-halo {
  fill: rgba(140, 247, 210, .055);
  stroke: rgba(140, 247, 210, .2);
}

.star-core {
  fill: #e5fff7;
  stroke: none;
}

.constellation use:nth-of-type(3n + 2) {
  color: #b6a2ff;
  opacity: .58;
}

.constellation use {
  animation: star-breathe 4.8s ease-in-out infinite;
}

.constellation use:nth-of-type(2n) { animation-delay: -1.7s; }
.constellation use:nth-of-type(3n) { animation-delay: -3.1s; }

.orbit-rotor {
  transform-box: view-box;
  transform-origin: 50% 50%;
}

.orbit-rotor-a { animation: orbit-clockwise 24s linear infinite; }
.orbit-rotor-b { animation: orbit-counter 36s linear infinite; }
.orbit-rotor-c { animation: orbit-clockwise 18s linear infinite reverse; }

.orbit-rotor-b use {
  fill: #c9b9ff;
  stroke: rgba(183, 157, 255, .62);
}

.orbit-rotor-c use {
  fill: #fff0ca;
  stroke: rgba(255, 215, 146, .62);
}

.center-reticle {
  fill: none;
  stroke: rgba(233, 228, 255, .17);
  stroke-width: 1;
}

.center-reticle circle:nth-child(2) {
  stroke: rgba(140, 247, 210, .16);
  stroke-dasharray: 2 8;
}

.center-reticle circle:nth-child(3) {
  fill: #dffff5;
  stroke: rgba(140, 247, 210, .65);
}

@keyframes orbit-clockwise {
  to { transform: rotate(360deg); }
}

@keyframes orbit-counter {
  to { transform: rotate(-360deg); }
}

@keyframes star-breathe {
  0%, 100% { opacity: .32; }
  50% { opacity: .88; }
}

:root[data-motion="compact"] .orbit-rotor-c,
:root[data-motion="compact"] .constellation path {
  display: none;
}

:root[data-motion="compact"] .orbit-rotor-a {
  animation-duration: 42s;
}

:root[data-motion="compact"] .orbit-rotor-b {
  animation-duration: 50s;
}

.hero-copy {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: min(82rem, 94vw);
  min-height: calc(max(47rem, 100svh) - var(--header-height));
  margin-inline: auto;
  padding: 4rem 0;
  text-align: center;
  pointer-events: none;
}

.hero-copy::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(76rem, 96vw);
  height: 31rem;
  background: radial-gradient(ellipse, rgba(5, 6, 8, .72), rgba(5, 6, 8, .3) 53%, transparent 75%);
  pointer-events: none;
}

.eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-bottom: clamp(2.2rem, 4vh, 4rem);
  color: #acb0ba;
  font: 0.64rem/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(140, 247, 210, 0.4);
  border-radius: 50%;
  animation: status-pulse 2.5s infinite;
}

.eyebrow-index {
  padding-left: 0.7rem;
  border-left: 1px solid var(--line);
  color: #6f7480;
}

@keyframes status-pulse {
  0%, 100% { transform: scale(.65); opacity: 0; }
  40% { opacity: 1; }
  80% { transform: scale(1.25); opacity: 0; }
}

.hero h1 {
  width: 100%;
  margin: 0;
  font-size: clamp(4.15rem, 8.1vw, 8.7rem);
  font-weight: 500;
  line-height: .89;
  letter-spacing: -.07em;
}

.hero-line {
  display: block;
  padding: .035em .055em .09em;
}

.hero-line > span {
  display: inline-block;
  transform: translate3d(0, .32em, 0);
  opacity: 0;
  font-style: normal;
  transition: transform .78s var(--ease-out), opacity .46s ease;
}

.is-loaded .hero-line > span {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

.is-loaded .hero-line:nth-child(2) > span {
  transition-delay: 0.12s;
}

.accent-line > span {
  /* Keep Manrope descenders inside the gradient paint box without changing line flow. */
  margin-bottom: -.2em;
  padding-bottom: .2em;
  color: transparent;
  background: linear-gradient(100deg, #f4f1ff 4%, #b19cff 52%, #7d62ef 100%);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
  font-weight: 500;
  text-shadow: 0 0 44px rgba(146, 116, 255, .15);
}

.hero-bottom {
  width: min(39rem, 88%);
  margin: clamp(2.2rem, 5vh, 4rem) auto 0;
}

.hero-bottom > p {
  max-width: 39rem;
  margin: 0;
  color: #a8acb5;
  font-size: clamp(0.93rem, 1.15vw, 1.14rem);
  line-height: 1.75;
  text-align: center;
}

.scroll-cue {
  position: absolute;
  z-index: 5;
  bottom: 2.6rem;
  right: var(--page-gutter);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #686d77;
  font: .56rem/1 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 2.6rem;
  height: 1px;
  overflow: hidden;
  background: rgba(255,255,255,.17);
}

.scroll-cue b {
  position: absolute;
  width: 50%;
  height: 100%;
  background: var(--paper);
  animation: cue-run 2s var(--ease-smooth) infinite;
}

@keyframes cue-run {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(220%); }
}

/* Crystal hero */
.site-header {
  display: flex;
  justify-content: space-between;
}

.brand {
  gap: .72rem;
}

.brand-mark {
  width: 1.95rem;
}

.brand-mark img {
  filter: none;
}

.brand-type {
  color: #f7f7fa;
  font: 500 .78rem/1 var(--font-mono);
  letter-spacing: .13em;
  white-space: nowrap;
}

.brand-type span {
  margin-left: 0;
  color: inherit;
  font-weight: inherit;
}

.desktop-nav {
  margin-left: auto;
  gap: clamp(1.65rem, 2.6vw, 3.2rem);
}

.desktop-nav a {
  color: rgba(239, 240, 246, .68);
  font-size: .62rem;
  letter-spacing: .15em;
}

.hero {
  position: relative;
  display: block;
  min-height: max(58rem, 160svh);
  overflow: clip;
  padding: 0;
  background: transparent;
}

.hero::before,
.hero::after {
  content: none;
}

.hero-stage {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  isolation: isolate;
  width: 100%;
  height: 100svh;
  min-height: 42rem;
  overflow: hidden;
  padding: calc(var(--header-height) + 3rem) var(--page-gutter) 7rem;
  background: transparent;
}

.hero-stage::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 3, 6, .9) 0%, rgba(2, 3, 6, .72) 32%, rgba(2, 3, 6, .2) 59%, rgba(2, 3, 6, .03) 82%),
    linear-gradient(180deg, rgba(2, 3, 6, .54) 0%, transparent 22%, transparent 70%, rgba(2, 3, 6, .5) 100%);
  pointer-events: none;
}

.hero-stage::after {
  content: "";
  position: absolute;
  z-index: 5;
  bottom: 0;
  right: var(--page-gutter);
  left: var(--page-gutter);
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.17), rgba(255,255,255,.07) 52%, transparent 84%);
}

.opening-film {
  --opening-opacity: 1;
  --opening-progress: 0;
  --secondary-progress: 0;
  --opening-film-mix: 0;
  --primary-film-opacity: 1;
  --secondary-film-opacity: 0;
  --opening-ambient-opacity: 1;
  --opening-shade: .1;
  --starfall-far-x: 1.2vw;
  --starfall-mid-x: 2.3vw;
  --starfall-near-x: 3.5vw;
  --starfall-far-y: -7vh;
  --starfall-mid-y: -12vh;
  --starfall-near-y: -18vh;
  --starfall-far-opacity: 0;
  --starfall-mid-opacity: 0;
  --starfall-near-opacity: 0;
  --starfall-bloom-opacity: 0;
  --starfall-stretch: .58;
  --bridge-energy: 0;
  --space-pulse: 0;
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  background: #010204 url("assets/grounlab-dark-scroll-poster-v1.webp") center / cover no-repeat;
  opacity: var(--opening-opacity);
  pointer-events: none;
  will-change: opacity;
}

.opening-film.is-video-ready {
  /* Once the film can render, keep a true black bed beneath both clips. The
     poster remains the loading/failure fallback but cannot ghost through a
     partially transparent incoming clip. */
  background-image: none;
}

.opening-film::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  background: #010204;
  opacity: var(--opening-shade);
  pointer-events: none;
  will-change: opacity;
}

.opening-film::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  background:
    radial-gradient(circle at 74% 48%, rgba(75, 57, 150, .09), transparent 31%),
    linear-gradient(90deg, rgba(1, 2, 4, .58), rgba(1, 2, 4, .2) 48%, transparent 76%),
    linear-gradient(180deg, rgba(1, 2, 4, .2), transparent 48%, rgba(1, 2, 4, .48));
  pointer-events: none;
}

.opening-scroll-video,
.opening-scroll-canvas {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-origin: center;
  will-change: transform, opacity;
}

.opening-scroll-video {
  object-fit: cover;
  object-position: center;
}

.opening-scroll-canvas {
  pointer-events: none;
}

.opening-scroll-video-primary,
.opening-scroll-canvas-primary {
  filter: brightness(.72) contrast(1.17) saturate(.78);
  transform: translate3d(5.5vw, calc(var(--opening-progress) * -1.6vh), 0)
    scale(calc(1.13 + var(--opening-progress) * .055));
}

.opening-scroll-video-secondary,
.opening-scroll-canvas-secondary {
  filter: brightness(.38) contrast(1.2) saturate(.68);
  transform: translate3d(calc((1 - var(--opening-film-mix)) * 2.4vw), calc(var(--secondary-progress) * -1.15vh), 0)
    scale(calc(1.09 + var(--secondary-progress) * .045));
}

.opening-film.is-video-ready .opening-scroll-video-primary {
  opacity: var(--primary-film-opacity);
}

.opening-film.is-secondary-ready .opening-scroll-video-secondary {
  opacity: var(--secondary-film-opacity);
}

.opening-film.is-ios-canvas.is-primary-canvas-ready .opening-scroll-video-primary,
.opening-film.is-ios-canvas.is-secondary-canvas-ready .opening-scroll-video-secondary {
  opacity: 0;
}

.opening-film.is-ios-canvas.is-primary-canvas-ready .opening-scroll-canvas-primary {
  opacity: var(--primary-film-opacity);
}

.opening-film.is-ios-canvas.is-secondary-canvas-ready .opening-scroll-canvas-secondary {
  opacity: var(--secondary-film-opacity);
}

.opening-space-fx {
  position: absolute;
  z-index: 3;
  inset: -10%;
  background:
    radial-gradient(ellipse at 73% 20%, rgba(104, 76, 166, .46), transparent 27%),
    radial-gradient(ellipse at 38% 72%, rgba(88, 62, 128, .28), transparent 31%),
    radial-gradient(ellipse at 54% 46%, rgba(48, 35, 72, .24), transparent 46%);
  mix-blend-mode: screen;
  opacity: calc(var(--bridge-energy) * .08 + var(--space-pulse));
  transform: scale(1.05);
  transform-origin: 68% 28%;
  pointer-events: none;
  transition: opacity 120ms linear;
  will-change: opacity;
}

.opening-space-fx::after {
  position: absolute;
  inset: 18% 12%;
  border: 1px solid rgba(178, 160, 215, .055);
  border-radius: 50%;
  box-shadow: 0 0 12rem rgba(89, 62, 140, .08), inset 0 0 8rem rgba(119, 92, 164, .045);
  opacity: .66;
  content: "";
}

.opening-stars {
  position: absolute;
  z-index: 3;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 31%, rgba(255,255,255,.94) 0 1px, rgba(219,219,224,.3) 1.4px, transparent 3px),
    radial-gradient(circle at 72% 31%, rgba(72,68,78,.045), transparent 4.5rem),
    radial-gradient(circle at 86% 68%, rgba(242,240,247,.88) 0 .9px, rgba(177,158,207,.32) 1.3px, transparent 2.6px),
    radial-gradient(circle at 59% 74%, rgba(232,231,238,.84) 0 .8px, rgba(151,137,174,.25) 1.2px, transparent 2.5px),
    radial-gradient(circle at 35% 24%, rgba(246,242,250,.88) 0 .8px, rgba(180,158,211,.3) 1.2px, transparent 2.4px),
    radial-gradient(circle at 18% 65%, rgba(225,227,234,.8) 0 .75px, rgba(142,134,157,.24) 1.15px, transparent 2.3px),
    radial-gradient(circle at 93% 17%, rgba(248,247,250,.84) 0 .8px, rgba(172,158,195,.27) 1.2px, transparent 2.4px);
  mix-blend-mode: screen;
  opacity: var(--opening-ambient-opacity);
  pointer-events: none;
  will-change: opacity;
}

.opening-stars::before,
.opening-stars::after {
  content: "";
  position: absolute;
  inset: -14%;
  background-repeat: repeat;
  will-change: transform, opacity;
}

.opening-stars::before {
  background-image:
    radial-gradient(circle at 13% 19%, rgba(239,240,244,.78) 0 1px, transparent 1.6px),
    radial-gradient(circle at 67% 28%, rgba(194,177,220,.66) 0 1px, transparent 1.7px),
    radial-gradient(circle at 36% 77%, rgba(226,225,233,.58) 0 .8px, transparent 1.4px),
    radial-gradient(circle at 88% 62%, rgba(177,168,193,.54) 0 .9px, transparent 1.5px);
  background-size: 23rem 19rem, 31rem 27rem, 19rem 29rem, 37rem 23rem;
  animation: opening-stars-drift 38s linear infinite, opening-stars-twinkle 6s ease-in-out infinite alternate;
}

.opening-stars::after {
  background-image:
    radial-gradient(circle at 21% 36%, rgba(245,244,247,.46) 0 .65px, transparent 1.25px),
    radial-gradient(circle at 74% 14%, rgba(164,143,194,.42) 0 .75px, transparent 1.35px),
    radial-gradient(circle at 52% 83%, rgba(185,178,199,.34) 0 .6px, transparent 1.15px);
  background-size: 17rem 21rem, 29rem 33rem, 41rem 27rem;
  opacity: .62;
  animation: opening-stars-drift-deep 64s linear infinite reverse, opening-stars-twinkle 8.5s ease-in-out infinite alternate-reverse;
}

.opening-film.is-past .opening-stars::before,
.opening-film.is-past .opening-stars::after {
  animation-play-state: paused;
}

@keyframes opening-stars-drift {
  from { transform: translate3d(-1.8%, -2.5%, 0); }
  to { transform: translate3d(3.8%, 5%, 0); }
}

@keyframes opening-stars-drift-deep {
  from { transform: translate3d(2%, -1.5%, 0) scale(.98); }
  to { transform: translate3d(-3%, 3.5%, 0) scale(1.02); }
}

@keyframes opening-stars-twinkle {
  from { opacity: .35; }
  to { opacity: .72; }
}

.opening-starfall {
  position: absolute;
  z-index: 3;
  inset: 0;
  contain: strict;
  overflow: hidden;
  mix-blend-mode: screen;
  pointer-events: none;
}

.opening-starfall::before {
  content: "";
  position: absolute;
  pointer-events: none;
  will-change: opacity, transform;
}

.opening-starfall::before {
  inset: 9% -8%;
  background:
    radial-gradient(ellipse at 48% 48%, rgba(52,50,58,.065), transparent 25%),
    radial-gradient(ellipse at 63% 54%, rgba(34,33,38,.045), transparent 31%);
  opacity: var(--starfall-bloom-opacity);
  filter: blur(2.4rem);
  transform: scale(1.04);
  transition: opacity 160ms ease-out;
}

.opening-starfall-layer {
  position: absolute;
  inset: -24vh -10vw;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transition: opacity 130ms ease-out, transform 130ms linear;
  will-change: transform, opacity;
}

.opening-starfall-layer-far {
  opacity: var(--starfall-far-opacity);
  transform: translate3d(var(--starfall-far-x), var(--starfall-far-y), 0);
  filter: blur(.35px);
}

.opening-starfall-layer-mid {
  opacity: var(--starfall-mid-opacity);
  transform: translate3d(var(--starfall-mid-x), var(--starfall-mid-y), 0);
}

.opening-starfall-layer-near {
  opacity: var(--starfall-near-opacity);
  transform: translate3d(var(--starfall-near-x), var(--starfall-near-y), 0);
  filter: drop-shadow(0 0 .35rem rgba(151,126,193,.18));
}

.opening-starfall i {
  --star-x: 50%;
  --star-y: 10%;
  --star-width: 1px;
  --star-length: 1.5rem;
  position: absolute;
  top: var(--star-y);
  left: var(--star-x);
  display: block;
  width: var(--star-width);
  height: var(--star-length);
  border-radius: 999px;
  background: linear-gradient(180deg, transparent, rgba(145,116,190,.07) 38%, rgba(226,219,239,.66));
  box-shadow: 0 0 .3rem rgba(191,177,215,.18);
  transform: rotate(-10deg) scaleY(var(--starfall-stretch));
  transform-origin: 50% 100%;
  transition: transform 130ms linear;
  will-change: transform;
}

.opening-starfall i::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: -.1rem;
  width: calc(var(--star-width) + 1px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(247,246,249,.9);
  box-shadow: 0 0 .35rem rgba(255,255,255,.58), 0 0 .8rem rgba(132,101,177,.3);
  transform: translateX(50%);
}

.opening-starfall-layer-far i:nth-child(1) { --star-x: 16%; --star-y: 10%; --star-length: .8rem; }
.opening-starfall-layer-far i:nth-child(2) { --star-x: 54%; --star-y: 52%; --star-length: 1rem; }
.opening-starfall-layer-far i:nth-child(3) { --star-x: 84%; --star-y: 18%; --star-length: .75rem; }
.opening-starfall-layer-far i:nth-child(4) { --star-x: 31%; --star-y: 72%; --star-length: .62rem; }
.opening-starfall-layer-far i:nth-child(5) { --star-x: 68%; --star-y: 6%; --star-length: .7rem; }
.opening-starfall-layer-far i:nth-child(6) { --star-x: 95%; --star-y: 61%; --star-length: .58rem; }

.opening-starfall-layer-mid i:nth-child(1) { --star-x: 8%; --star-y: 38%; --star-length: 1.65rem; }
.opening-starfall-layer-mid i:nth-child(2) { --star-x: 34%; --star-y: 4%; --star-length: 1.3rem; }
.opening-starfall-layer-mid i:nth-child(3) { --star-x: 64%; --star-y: 57%; --star-length: 1.8rem; }
.opening-starfall-layer-mid i:nth-child(4) { --star-x: 90%; --star-y: 25%; --star-length: 1.5rem; }
.opening-starfall-layer-mid i:nth-child(5) { --star-x: 20%; --star-y: 82%; --star-length: .86rem; }
.opening-starfall-layer-mid i:nth-child(6) { --star-x: 76%; --star-y: 10%; --star-length: 1rem; }
.opening-starfall-layer-mid i:nth-child(7) { --star-x: 46%; --star-y: 34%; --star-length: .74rem; }

.opening-starfall-layer-near i {
  --star-width: 1.25px;
  background: linear-gradient(180deg, transparent, rgba(145,117,187,.06) 32%, rgba(228,220,240,.72));
}
.opening-starfall-layer-near i:nth-child(1) { --star-x: 23%; --star-y: 21%; --star-length: 2.8rem; }
.opening-starfall-layer-near i:nth-child(2) { --star-x: 76%; --star-y: 62%; --star-length: 2.4rem; }
.opening-starfall-layer-near i:nth-child(3) { --star-x: 9%; --star-y: 78%; --star-length: 1rem; }
.opening-starfall-layer-near i:nth-child(4) { --star-x: 91%; --star-y: 8%; --star-length: .9rem; }

.hero-grid {
  position: absolute;
  z-index: 2;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 207, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 207, 255, .035) 1px, transparent 1px);
  background-size: clamp(4rem, 5vw, 6rem) clamp(4rem, 5vw, 6rem);
  mask-image: linear-gradient(90deg, rgba(0,0,0,.66), rgba(0,0,0,.24) 48%, transparent 76%);
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.66), rgba(0,0,0,.24) 48%, transparent 76%);
  pointer-events: none;
}

.hero-copy {
  z-index: 4;
  align-items: flex-start;
  justify-content: center;
  width: min(47rem, 54vw);
  min-height: auto;
  margin: 0;
  padding: 0;
  text-align: left;
  opacity: calc(1 - var(--hero-progress) * .14);
  pointer-events: auto;
}

.hero-copy::before {
  content: none;
}

.eyebrow {
  justify-content: flex-start;
  margin-bottom: clamp(1.55rem, 3vh, 2.35rem);
  color: rgba(225, 227, 235, .62);
  font-size: .57rem;
  letter-spacing: .18em;
}

.hero h1 {
  width: auto;
  font-size: clamp(4.25rem, 6.35vw, 7.6rem);
  font-weight: 500;
  line-height: .89;
  letter-spacing: -.065em;
}

.hero-line {
  padding: .018em .04em .045em 0;
  white-space: nowrap;
}

.is-loaded .hero-line:nth-child(2) > span {
  transition-delay: .11s;
}

.is-loaded .hero-line:nth-child(3) > span {
  transition-delay: .2s;
}

.accent-line > span {
  background-image: linear-gradient(100deg, #eeeaff 3%, #b9a7ff 51%, #7657ee 100%);
  text-shadow: 0 0 46px rgba(128, 91, 255, .13);
}

.hero-bottom {
  width: min(36rem, 100%);
  margin: clamp(1.7rem, 3.7vh, 2.6rem) 0 0;
}

.hero-bottom > p {
  max-width: 35rem;
  color: rgba(213, 216, 226, .68);
  font-size: clamp(.88rem, .92vw, 1rem);
  line-height: 1.7;
  text-align: left;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.2vw, 2.4rem);
  margin-top: clamp(1.65rem, 3vh, 2.25rem);
}

.hero-primary,
.hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #f8f7ff;
  font: 500 .59rem/1 var(--font-mono);
  letter-spacing: .15em;
  text-transform: uppercase;
}

.hero-primary {
  min-height: 3.35rem;
  padding: 0 1.45rem;
  background: #7155df;
  box-shadow: 0 10px 34px rgba(65, 37, 173, .25), inset 0 0 0 1px rgba(255,255,255,.11);
  transition: background .25s ease, box-shadow .25s ease, transform .25s var(--ease-out);
}

.hero-primary span {
  margin-left: 1.5rem;
  font-size: .9rem;
  transition: transform .25s var(--ease-out);
}

.hero-primary:hover,
.hero-primary:focus-visible {
  background: #8265ee;
  box-shadow: 0 12px 42px rgba(91, 55, 225, .34), inset 0 0 0 1px rgba(255,255,255,.16);
}

.hero-primary:hover span,
.hero-primary:focus-visible span {
  transform: translateX(.22rem);
}

.hero-secondary {
  min-height: 3.35rem;
  border-bottom: 1px solid rgba(236, 233, 255, .34);
  color: rgba(238, 238, 244, .78);
  transition: color .25s ease, border-color .25s ease;
}

.hero-secondary:hover,
.hero-secondary:focus-visible {
  border-color: #a990ff;
  color: #fff;
}

.hero-primary:focus-visible,
.hero-secondary:focus-visible {
  outline: 1px solid #c7b8ff;
  outline-offset: 4px;
}

.hero-caption {
  position: absolute;
  z-index: 4;
  bottom: 2.15rem;
  left: var(--page-gutter);
  margin: 0;
  color: rgba(214, 216, 225, .43);
  font: .52rem/1 var(--font-mono);
  letter-spacing: .17em;
  text-transform: uppercase;
}

body:not(.is-past-hero) .page-telemetry,
body:not(.is-past-hero) .scroll-wake {
  opacity: 0;
  visibility: hidden;
}

@media (min-width: 901px) and (max-height: 760px) {
  .hero-stage {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 5rem;
  }

  .eyebrow {
    margin-bottom: 1.3rem;
  }

  .hero h1 {
    font-size: clamp(3.75rem, 5.6vw, 6.2rem);
  }

  .hero-bottom {
    margin-top: 1.4rem;
  }

  .hero-actions {
    margin-top: 1.35rem;
  }

  .hero-caption {
    bottom: 1.45rem;
  }
}

.signal-strip {
  position: relative;
  z-index: 4;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  backdrop-filter: none;
}

.signal-track {
  display: flex;
  align-items: center;
  width: max-content;
  height: 4.3rem;
  animation: marquee 32s linear infinite;
}

.signal-track span {
  margin: 0 1.8rem;
  color: #8a8f99;
  font: .62rem/1 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.signal-track span:nth-of-type(4n + 1),
.signal-track span:nth-of-type(4n + 3) {
  color: #dedfe4;
}

.signal-track i {
  width: 5px;
  height: 5px;
  margin: 0 1rem;
  transform: rotate(45deg);
  border: 1px solid var(--violet);
}

@keyframes marquee { to { transform: translateX(-50%); } }

.section-kicker {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: clamp(4.5rem, 8vw, 8rem);
  color: #777c87;
  font: .58rem/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.kicker-line {
  position: relative;
  height: 1px;
  overflow: hidden;
  background: var(--line-soft);
}

.kicker-line::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-105%);
  background: linear-gradient(90deg, transparent, var(--violet-bright), var(--mint), transparent);
  box-shadow: 0 0 9px rgba(166, 140, 255, .6);
  animation: kicker-scan 5.5s var(--ease-smooth) infinite;
}

@keyframes kicker-scan {
  0%, 18% { transform: translateX(-105%); opacity: 0; }
  28% { opacity: 1; }
  70%, 100% { transform: translateX(105%); opacity: 0; }
}

.thesis {
  position: relative;
  z-index: 1;
  min-height: 0;
  overflow: hidden;
  background: transparent;
}

.thesis::after {
  content: none;
}

.thesis > * {
  position: relative;
  z-index: 1;
}

.thesis.section-shell {
  padding-top: clamp(3.5rem, 4vw, 4rem);
  padding-bottom: clamp(4.5rem, 6vw, 7rem);
}

.thesis .section-kicker {
  margin-bottom: clamp(2.25rem, 3.5vw, 3.5rem);
}

.thesis-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(0, 3.5fr);
  align-items: start;
  gap: 4vw;
}

.thesis-aside {
  max-width: 17rem;
  margin: .7rem 0 0;
  padding-left: 1.1rem;
  border-left: 1px solid var(--violet);
  color: #7e838d;
  font-size: .88rem;
  line-height: 1.7;
}

.thesis-aside em {
  color: #c7c9ce;
  font-style: normal;
}

.scrub-title {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.3rem, 7.4vw, 8.2rem);
  font-weight: 500;
  line-height: .99;
  letter-spacing: -.07em;
}

.scrub-title .word {
  display: inline-block;
  color: rgba(243,245,247,.38);
  transition: color .18s linear, text-shadow .18s;
}

.scrub-title .word.is-lit {
  color: var(--paper);
}

.scrub-title .word.accent.is-lit {
  color: var(--violet-bright);
  text-shadow: 0 0 40px rgba(166,140,255,.16);
}

.products {
  background: linear-gradient(180deg, #050608, #090a0e 45%, #050608);
}

.section-heading-row {
  display: grid;
  grid-template-columns: 1.45fr .55fr;
  align-items: end;
  gap: 8vw;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.section-heading-row h2,
.principles-head h2 {
  margin: 0;
  font-size: clamp(3.3rem, 7vw, 7.6rem);
  font-weight: 500;
  line-height: .94;
  letter-spacing: -.075em;
}

.section-heading-row p {
  max-width: 30rem;
  margin: 0 0 .5rem;
  color: #9297a1;
  font-size: .98rem;
  line-height: 1.75;
}

.product-card {
  --rx: 0deg;
  --ry: 0deg;
  --mx: 50%;
  --my: 50%;
  position: relative;
  display: grid;
  grid-template-columns: minmax(19rem, .75fr) minmax(0, 1.65fr);
  gap: clamp(2rem, 5vw, 5rem);
  min-height: clamp(42rem, 72vw, 52rem);
  margin-bottom: clamp(2rem, 4vw, 4rem);
  padding: clamp(1.5rem, 3.5vw, 3.6rem);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: clamp(1.25rem, 2vw, 2.25rem);
  transform: perspective(1400px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  background: #0b0d12;
  box-shadow: 0 35px 90px rgba(0,0,0,.32);
  transition: transform .25s ease-out, border-color .4s;
}

.product-card:hover {
  border-color: rgba(255,255,255,.21);
}

.card-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(35rem circle at var(--mx) var(--my), rgba(166,140,255,.1), transparent 55%);
  transition: opacity .4s;
}

.product-card:hover .card-glow {
  opacity: 1;
}

.kscholar-card {
  background:
    radial-gradient(circle at 76% 12%, rgba(109,84,229,.16), transparent 34%),
    linear-gradient(145deg, #0c0e15, #090a0e 70%);
}

.weboardit-card {
  --sweep-x: -125%;
  background:
    radial-gradient(circle at 75% 10%, rgba(255,142,92,.1), transparent 32%),
    linear-gradient(145deg, #101016, #0a0a0e 70%);
}

.scifigure-card {
  margin-bottom: 0;
  background:
    radial-gradient(circle at 72% 8%, rgba(187,255,91,.09), transparent 33%),
    linear-gradient(145deg, #0c0f0d, #090a0a 70%);
}

.product-copy {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  transform: translateZ(35px);
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.product-number {
  color: #777c86;
  font: .62rem/1 var(--font-mono);
  letter-spacing: .12em;
}

.product-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  width: max-content;
  margin: clamp(3rem, 6vw, 5.5rem) 0 1rem;
  font-size: clamp(1.2rem, 1.7vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -.04em;
}

.product-symbol {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: .72rem;
}

.k-symbol {
  background: linear-gradient(145deg, #bcaaff, #7253ea);
  color: #090811;
  font: 700 1.05rem/1 var(--font-sans);
}

.w-symbol {
  display: flex;
  gap: 2px;
  padding: .62rem;
  background: #f0eff6;
}

.w-symbol i {
  width: 4px;
  height: 100%;
  border-radius: 3px;
  background: #16131f;
}

.w-symbol i:nth-child(2) { height: 70%; align-self: flex-end; background: #8f6cff; }
.w-symbol i:nth-child(3) { height: 45%; align-self: flex-end; background: #ff915d; }

.s-symbol {
  position: relative;
  background: #d4ff69;
}

.s-symbol i {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 2px;
  background: #11140b;
}

.s-symbol i:nth-child(1) { top: 8px; left: 8px; }
.s-symbol i:nth-child(2) { top: 8px; right: 8px; }
.s-symbol i:nth-child(3) { right: 8px; bottom: 8px; }
.s-symbol i:nth-child(4) { bottom: 8px; left: 8px; }
.s-symbol::before,
.s-symbol::after {
  content: "";
  position: absolute;
  background: #11140b;
}
.s-symbol::before { top: 10px; left: 12px; width: 12px; height: 1px; }
.s-symbol::after { top: 12px; right: 10px; width: 1px; height: 12px; }

.product-category {
  margin: 0 0 clamp(1.8rem, 3vw, 3rem);
  color: #767b85;
  font: .57rem/1.5 var(--font-mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.product-copy h3 {
  margin: 0 0 clamp(1.5rem, 2.5vw, 2.4rem);
  font-size: clamp(2.6rem, 4.4vw, 5.1rem);
  font-weight: 500;
  line-height: .95;
  letter-spacing: -.065em;
}

.kscholar-card .product-copy h3 { color: #e4dfff; }
.weboardit-card .product-copy h3 { color: #f1e9e6; }
.scifigure-card .product-copy h3 { color: #ebf4df; }

.product-description {
  max-width: 30rem;
  margin: 0;
  color: #9297a1;
  font-size: clamp(.85rem, 1vw, .97rem);
  line-height: 1.75;
}

.product-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 2.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #d6d8dd;
  font: .62rem/1 var(--font-mono);
  letter-spacing: .09em;
  text-transform: uppercase;
  transition: color .25s, padding .3s var(--ease-out);
}

.product-link:hover {
  padding-right: .5rem;
  padding-left: .5rem;
  color: var(--violet-bright);
}

.scifigure-card .product-link:hover { color: var(--lime); }

.product-link svg {
  width: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}

.product-visual {
  position: relative;
  z-index: 1;
  align-self: center;
  width: 100%;
  min-height: 66%;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 1rem;
  transform: translateZ(58px) rotateY(-1.2deg);
  transform-origin: right center;
  background: #0b0d13;
  box-shadow: 0 40px 70px rgba(0,0,0,.4);
  transition: transform .6s var(--ease-out), box-shadow .6s;
}

.product-card:hover .product-visual {
  transform: translateZ(72px) rotateY(0deg) translateY(-5px);
  box-shadow: 0 50px 90px rgba(0,0,0,.52);
}

.visual-chrome {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 3rem;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(255,255,255,.09);
  background: rgba(255,255,255,.025);
  color: #898f9b;
  font: .48rem/1 var(--font-mono);
  letter-spacing: .1em;
}

.visual-chrome > b {
  justify-self: end;
  color: #a1a6b0;
  font-weight: 400;
}

.chrome-dots {
  display: flex;
  gap: 4px;
}

.chrome-dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3b3e47;
}

.chrome-dots i:first-child { background: #9c7cff; }

/* KScholar interface */
.kscholar-visual {
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 42%, rgba(57, 102, 169, .14), transparent 43%),
    linear-gradient(145deg, #0c1120, #070a12 72%);
}

.kscholar-visual .visual-chrome {
  position: relative;
  z-index: 9;
  background: rgba(7, 10, 18, .76);
  backdrop-filter: blur(12px);
}

.kscholar-interface-stage {
  --interface-x: 0px;
  --interface-y: 0px;
  --interface-rx: 0deg;
  --interface-ry: 0deg;
  position: relative;
  display: grid;
  height: calc(100% - 3rem);
  min-height: 31rem;
  place-items: center;
  padding: clamp(1rem, 1.8vw, 1.6rem);
  overflow: hidden;
  perspective: 1200px;
  background:
    radial-gradient(circle at 50% 50%, rgba(77, 130, 207, .09), transparent 48%),
    linear-gradient(180deg, rgba(10, 16, 30, .84), rgba(5, 8, 15, .96));
}

.kscholar-interface-stage::before {
  content: "";
  position: absolute;
  z-index: 1;
  right: 8%;
  bottom: 7%;
  left: 8%;
  height: 28%;
  transform: perspective(320px) rotateX(64deg);
  border: 1px solid rgba(105, 168, 255, .08);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(70, 130, 214, .09), transparent 68%);
  filter: blur(2px);
  pointer-events: none;
}

.kscholar-stage-grid {
  position: absolute;
  z-index: 0;
  inset: -12%;
  transform: perspective(700px) rotateX(67deg) translateY(24%);
  transform-origin: center bottom;
  background-image:
    linear-gradient(rgba(105, 153, 224, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 153, 224, .055) 1px, transparent 1px);
  background-size: 2rem 2rem;
  mask-image: radial-gradient(ellipse at center, black, transparent 68%);
  animation: kscholar-grid-drift 16s linear infinite;
}

.kscholar-interface-depth {
  position: relative;
  z-index: 3;
  width: 96%;
  aspect-ratio: 2622 / 1506;
  transform: translate3d(
      var(--interface-x),
      calc(var(--interface-y) + var(--visual-drift, 0px)),
      0
    )
    rotateX(var(--interface-rx)) rotateY(var(--interface-ry)) scale(1.025);
  transform-style: preserve-3d;
  transform-origin: var(--mx) var(--my);
  border: 1px solid rgba(126, 178, 255, .22);
  background: #0b1325;
  box-shadow:
    0 2.4rem 5rem rgba(0, 0, 0, .48),
    0 0 0 1px rgba(129, 181, 255, .035),
    0 0 3.5rem rgba(47, 115, 210, .09);
  transition: transform .18s ease-out, filter .5s, box-shadow .5s;
  will-change: auto;
}

.kscholar-card:hover .kscholar-interface-depth {
  transform: translate3d(
      var(--interface-x),
      calc(var(--interface-y) + var(--visual-drift, 0px)),
      0
    )
    rotateX(var(--interface-rx)) rotateY(var(--interface-ry)) scale(1.055);
  filter: saturate(1.08) brightness(1.04);
  box-shadow:
    0 3.2rem 6rem rgba(0, 0, 0, .58),
    0 0 0 1px rgba(137, 191, 255, .08),
    0 0 4.5rem rgba(61, 127, 229, .16);
}

.kscholar-card.is-motion-active .kscholar-interface-depth { will-change: transform; }

.kscholar-card.is-motion-active .kscholar-interface-stage.is-interface-ready .kscholar-interface-depth {
  animation: kscholar-interface-arrive 1.35s .08s var(--ease-out) backwards;
}

.kscholar-interface-depth > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0b1325;
  image-rendering: auto;
}

.kscholar-screen-glass {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(112deg, transparent 18%, rgba(184, 215, 255, .055) 38%, transparent 54%),
    linear-gradient(180deg, rgba(27, 60, 109, .02), rgba(4, 8, 16, .14));
  box-shadow: inset 0 0 2rem rgba(4, 9, 19, .46);
  pointer-events: none;
}

.kscholar-screen-glass::after {
  content: "";
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: -28%;
  width: 18%;
  transform: skewX(-18deg);
  background: linear-gradient(90deg, transparent, rgba(199, 227, 255, .11), transparent);
  filter: blur(2px);
  animation: kscholar-glass-pass 7.5s var(--ease-smooth) infinite;
}

.kscholar-focus-frame {
  position: absolute;
  z-index: 4;
  top: 8.7%;
  left: 35.8%;
  width: 61.4%;
  height: 55%;
  border: 1px solid rgba(119, 181, 255, .14);
  box-shadow: inset 0 0 2.5rem rgba(63, 128, 224, .035), 0 0 1.8rem rgba(61, 127, 226, .06);
  animation: kscholar-focus-pulse 3.8s ease-in-out infinite;
  pointer-events: none;
}

.kscholar-focus-frame > i {
  position: absolute;
  width: .65rem;
  height: .65rem;
  border-color: #80baff;
  opacity: .72;
}

.kscholar-focus-frame > i:nth-child(1) { top: -.2rem; left: -.2rem; border-top: 1px solid; border-left: 1px solid; }
.kscholar-focus-frame > i:nth-child(2) { top: -.2rem; right: -.2rem; border-top: 1px solid; border-right: 1px solid; }
.kscholar-focus-frame > i:nth-child(3) { right: -.2rem; bottom: -.2rem; border-right: 1px solid; border-bottom: 1px solid; }
.kscholar-focus-frame > i:nth-child(4) { bottom: -.2rem; left: -.2rem; border-bottom: 1px solid; border-left: 1px solid; }

.kscholar-focus-frame > span {
  position: absolute;
  right: 0;
  bottom: -1rem;
  color: rgba(128, 188, 255, .58);
  font: .31rem/1 var(--font-mono);
  letter-spacing: .13em;
}

.kscholar-scan-beam {
  position: absolute;
  z-index: 5;
  top: -22%;
  right: 0;
  left: 0;
  height: 22%;
  background: linear-gradient(180deg, transparent, rgba(85, 165, 255, .08), rgba(146, 209, 255, .2), transparent);
  mix-blend-mode: screen;
  opacity: 0;
  animation: kscholar-scan 6.4s ease-in-out infinite;
  pointer-events: none;
}

.kscholar-interface-cursor {
  position: absolute;
  z-index: 6;
  top: 29%;
  left: 45%;
  display: flex;
  align-items: center;
  gap: .35rem;
  color: rgba(181, 218, 255, .72);
  font: .28rem/1 var(--font-mono);
  letter-spacing: .12em;
  animation: kscholar-guided-cursor 10s var(--ease-smooth) infinite;
  pointer-events: none;
}

.kscholar-interface-cursor > i {
  position: relative;
  width: .55rem;
  height: .55rem;
  border: 1px solid rgba(128, 192, 255, .72);
  border-radius: 50%;
  box-shadow: 0 0 .7rem rgba(92, 166, 255, .54);
}

.kscholar-interface-cursor > i::after {
  content: "";
  position: absolute;
  inset: 35%;
  border-radius: 50%;
  background: #b8e3ff;
  box-shadow: 0 0 .45rem #73baff;
}

.kscholar-interface-orbit {
  position: absolute;
  z-index: 2;
  right: -7rem;
  bottom: -7rem;
  width: 18rem;
  aspect-ratio: 1;
  transform: rotate(-18deg);
  border: 1px solid rgba(95, 164, 255, .11);
  border-radius: 50%;
  animation: kscholar-orbit 18s linear infinite;
  pointer-events: none;
}

.kscholar-interface-orbit::before,
.kscholar-interface-orbit::after,
.kscholar-interface-orbit > i {
  content: "";
  position: absolute;
  border: 1px solid rgba(95, 164, 255, .08);
  border-radius: 50%;
}

.kscholar-interface-orbit::before { inset: 16%; }
.kscholar-interface-orbit::after { inset: 34%; }
.kscholar-interface-orbit > i:first-child { top: 49%; right: -3px; width: 6px; height: 6px; border: 0; background: #79bcff; box-shadow: 0 0 .8rem #65aeff; }
.kscholar-interface-orbit > i:nth-child(2) { inset: 6% 34%; transform: rotate(64deg); }
.kscholar-interface-orbit > b { position: absolute; top: 50%; left: 50%; width: 1px; height: 126%; transform: translate(-50%, -50%) rotate(37deg); background: linear-gradient(transparent, rgba(111, 175, 255, .11), transparent); }

.kscholar-readout {
  position: absolute;
  z-index: 7;
  bottom: 1.15rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .18rem .4rem;
  min-width: 7.5rem;
  padding: .45rem .55rem;
  border: 1px solid rgba(120, 181, 255, .13);
  background: rgba(6, 11, 21, .64);
  backdrop-filter: blur(9px);
  color: #6b7990;
  font: .3rem/1 var(--font-mono);
  letter-spacing: .12em;
}

.kscholar-readout > i { grid-row: 1 / 3; align-self: center; width: 4px; height: 4px; border-radius: 50%; background: #73b9ff; box-shadow: 0 0 .55rem #73b9ff; }
.kscholar-readout > b { color: rgba(160, 208, 255, .7); font-weight: 400; }
.kscholar-readout-left { left: 1.2rem; }
.kscholar-readout-right { right: 1.2rem; }
.kscholar-readout-right > i { background: var(--mint); box-shadow: 0 0 .55rem var(--mint); }
.kscholar-readout-right > b { color: rgba(140, 247, 210, .7); }

@keyframes kscholar-grid-drift { to { background-position: 0 4rem, 4rem 0; } }
@keyframes kscholar-interface-arrive {
  from {
    transform: translate3d(var(--interface-x), calc(var(--interface-y) + 3.5rem), 0) rotateX(9deg) rotateY(-5deg) scale(.88);
    opacity: .08;
    filter: saturate(.72) brightness(.58);
  }
  to {
    transform: translate3d(var(--interface-x), calc(var(--interface-y) + var(--visual-drift, 0px)), 0) rotateX(var(--interface-rx)) rotateY(var(--interface-ry)) scale(1.025);
    opacity: 1;
    filter: saturate(1) brightness(1);
  }
}
@keyframes kscholar-glass-pass { 0%, 14% { transform: translateX(0) skewX(-18deg); opacity: 0; } 28% { opacity: 1; } 67%, 100% { transform: translateX(760%) skewX(-18deg); opacity: 0; } }
@keyframes kscholar-focus-pulse { 50% { border-color: rgba(126, 192, 255, .3); box-shadow: inset 0 0 3rem rgba(73, 145, 247, .06), 0 0 2.4rem rgba(73, 145, 247, .12); } }
@keyframes kscholar-scan { 0%, 12% { transform: translateY(0); opacity: 0; } 22% { opacity: .8; } 72%, 100% { transform: translateY(560%); opacity: 0; } }
@keyframes kscholar-guided-cursor {
  0%, 8% { top: 28%; left: 44%; opacity: 0; }
  15% { opacity: 1; }
  30% { top: 28%; left: 72%; opacity: 1; }
  46% { top: 47%; left: 72%; opacity: 1; }
  62% { top: 47%; left: 44%; opacity: 1; }
  78% { top: 59%; left: 44%; opacity: 1; }
  92%, 100% { top: 59%; left: 67%; opacity: 0; }
}
@keyframes kscholar-orbit { to { transform: rotate(342deg); } }

@keyframes dash-flow { to { stroke-dashoffset: -120; } }

.principles {
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 13% 68%, rgba(166,140,255,.1), transparent 27%),
    #08090c;
}

.principles-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(22rem, 1.1fr);
  align-items: start;
  gap: clamp(4rem, 8vw, 9rem);
}

.principles-head {
  display: grid;
  align-content: start;
  gap: clamp(3.5rem, 6vw, 5.5rem);
  min-width: 0;
}

.principles-head h2 {
  max-width: 8.5ch;
  font-size: clamp(3.3rem, 6vw, 6.7rem);
  line-height: .92;
}

.principle-list {
  border-top: 1px solid var(--line);
}

.principle-item {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
}

.principle-item > span {
  padding-top: .35rem;
  color: #777c86;
  font: .57rem/1 var(--font-mono);
}

.principle-item h3 {
  margin: 0 0 .7rem;
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -.045em;
}

.principle-item p {
  max-width: 32rem;
  margin: 0;
  color: #858a94;
  font-size: .9rem;
  line-height: 1.7;
}

.principle-item > i {
  color: #626771;
  font: normal 1rem/1 var(--font-mono);
  transition: transform .3s var(--ease-out), color .3s;
}

.principle-item:hover > i {
  transform: translate(4px,-4px);
  color: var(--violet-bright);
}

.closing {
  position: relative;
  display: flex;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
  padding: clamp(7rem, 10vw, 10rem) var(--page-gutter);
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 50% 52%, rgba(119,89,237,.15), transparent 29%),
    #050608;
  text-align: center;
}

.closing-brand {
  position: relative;
  z-index: 2;
  width: clamp(8.75rem, 13vw, 12.5rem);
  margin: 0 auto 1.25rem;
}

.closing-brand::before {
  position: absolute;
  z-index: -1;
  inset: -45%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155,132,255,.2), rgba(99,75,205,.06) 40%, transparent 70%);
  filter: blur(18px);
  content: "";
  animation: closing-brand-aura 4.5s ease-in-out infinite;
}

.closing-brand img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.3)) drop-shadow(0 0 28px rgba(148,123,255,.42));
  animation: closing-brand-float 6s ease-in-out infinite;
}

@keyframes closing-brand-float { 50% { transform: translateY(-7px); } }
@keyframes closing-brand-aura { 50% { opacity: .58; transform: scale(1.12); } }

.closing > p:first-of-type {
  position: relative;
  z-index: 2;
  margin: 0 0 2.2rem;
  color: #747984;
  font: .59rem/1 var(--font-mono);
  letter-spacing: .17em;
}

.closing h2 {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: clamp(3.5rem, 7.7vw, 8.5rem);
  font-weight: 500;
  line-height: .88;
  letter-spacing: -.08em;
}

.closing h2 em {
  color: transparent;
  background: linear-gradient(100deg, #ece9ff, #9679ff 65%, #6f52db);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
  font-weight: 400;
}

.closing-copy {
  position: relative;
  z-index: 2;
  max-width: 36rem;
  margin: 2.5rem auto 3.4rem;
  color: #8e939d;
  line-height: 1.7;
}

.closing-links {
  position: relative;
  z-index: 2;
  display: flex;
  gap: .7rem;
}

.closing-links a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 10rem;
  color: #d4d6dc;
  font: .6rem/1 var(--font-mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: background .3s, border-color .3s, color .3s;
}

.closing-links a:first-child:hover { background: var(--violet); border-color: var(--violet); color: #110e18; }
.closing-links a:nth-child(2):hover { background: var(--orange); border-color: var(--orange); color: #17100c; }
.closing-links a:last-child:hover { background: var(--lime); border-color: var(--lime); color: #12150a; }
.closing-links i { font-style: normal; }

.closing-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(62rem, 82vw);
  aspect-ratio: 1;
  transform: translate(-50%,-50%);
  border: 1px solid rgba(166,140,255,.07);
  border-radius: 50%;
  animation: closing-spin 35s linear infinite;
}
.closing-orbit::before,
.closing-orbit::after { content: ""; position: absolute; border: 1px solid rgba(166,140,255,.055); border-radius: 50%; }
.closing-orbit::before { inset: 12%; }
.closing-orbit::after { inset: 27%; }
.closing-orbit i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.closing-orbit i:nth-child(1) { top: 8%; left: 29%; }
.closing-orbit i:nth-child(2) { top: 66%; right: 1%; background: var(--mint); box-shadow: 0 0 8px var(--mint); }
.closing-orbit i:nth-child(3) { bottom: 4%; left: 25%; }
.closing-orbit b { position: absolute; top: 50%; left: 50%; width: 65%; height: 28%; transform: translate(-50%,-50%) rotate(33deg); border: 1px solid rgba(166,140,255,.08); border-radius: 50%; }
@keyframes closing-spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.site-footer {
  padding: 5rem var(--page-gutter) 1.6rem;
  border-top: 1px solid var(--line-soft);
  background: #08090b;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 5rem;
}

.footer-brand p {
  margin: .4rem 0 0;
  color: #7d828c;
  font: .56rem/1 var(--font-mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(10rem, 1fr));
  gap: 3rem;
  width: min(48rem, 68%);
  margin: 0 0 5rem auto;
}

.footer-nav div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .8rem;
}

.footer-nav div > span {
  margin-bottom: .3rem;
  color: #828792;
  font: .52rem/1 var(--font-mono);
  letter-spacing: .13em;
}

.footer-nav a {
  color: #a4a8b1;
  font-size: .82rem;
  transition: color .25s, transform .25s;
}

.footer-nav a:hover { color: var(--paper); transform: translateX(3px); }

.footer-contact address {
  margin: .15rem 0 .1rem;
  color: #777c87;
  font-size: .74rem;
  font-style: normal;
  line-height: 1.65;
}

.footer-base {
  display: flex;
  justify-content: flex-end;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line-soft);
  color: #7f848e;
  font: .49rem/1 var(--font-mono);
  letter-spacing: .12em;
}
.footer-base span:last-child { display: flex; align-items: center; gap: .5rem; }
.footer-base i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 8px var(--mint); }

.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 2.7rem, 0) scale(.985);
  filter: blur(9px);
  transition: opacity .9s var(--ease-out), transform 1.05s var(--ease-out), filter .8s var(--ease-out);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

.js [data-reveal]:nth-child(2) { transition-delay: .08s; }
.js [data-reveal]:nth-child(3) { transition-delay: .14s; }

/* Scroll telemetry */
.page-telemetry {
  position: fixed;
  z-index: 80;
  top: 50%;
  left: 1.2rem;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: .65rem;
  width: 1rem;
  transform: translateY(-50%);
  color: rgba(255,255,255,.42);
  pointer-events: none;
  mix-blend-mode: screen;
}

.page-telemetry > span {
  font: .46rem/1 var(--font-mono);
  letter-spacing: .1em;
}

.page-telemetry > i {
  position: relative;
  display: block;
  width: 1px;
  height: 5.5rem;
  overflow: hidden;
  background: rgba(255,255,255,.13);
}

.page-telemetry > i b {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  background: linear-gradient(var(--violet), var(--mint));
  box-shadow: 0 0 8px var(--violet);
}

.page-telemetry > small {
  width: max-content;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: center;
  color: rgba(255,255,255,.32);
  font: .43rem/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero-copy {
  transform: translate3d(0, calc(var(--hero-progress) * -28px), 0)
    scale(calc(1 - var(--hero-progress) * .012));
  transform-origin: center;
  will-change: transform, opacity;
}

/* Product scroll choreography */
.products {
  --spine-progress: 0;
  position: relative;
}

.product-spine {
  position: absolute;
  z-index: 0;
  top: 20rem;
  bottom: 13rem;
  left: calc(var(--page-gutter) * .5);
  width: 1px;
  background: rgba(255,255,255,.055);
}

.product-spine i {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(var(--spine-progress));
  transform-origin: top;
  background: linear-gradient(var(--violet), #55d9c4 45%, var(--orange) 72%, var(--lime));
  box-shadow: 0 0 15px rgba(166,140,255,.38);
}

.product-card {
  --card-scroll: 0;
  --visual-drift: 0px;
  transform: translate3d(0,calc((.5 - var(--card-scroll)) * 18px),0)
    perspective(1400px) rotateX(var(--rx)) rotateY(var(--ry));
  will-change: auto;
}

.product-card.is-motion-active { will-change: transform; }

.product-card::before {
  content: "";
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  transform: scaleY(var(--card-scroll));
  transform-origin: top;
  background: linear-gradient(transparent, rgba(196,180,255,.7), transparent);
  box-shadow: 0 0 15px rgba(166,140,255,.4);
  pointer-events: none;
}

.product-visual {
  transform: translate3d(0,var(--visual-drift),58px) rotateY(-1.2deg)
    rotateZ(calc(var(--scroll-velocity) * .012deg));
}

.product-card:hover .product-visual {
  transform: translate3d(0,calc(var(--visual-drift) - 5px),72px) rotateY(0deg)
    rotateZ(calc(var(--scroll-velocity) * .008deg));
}

/* HexReader product world */
.hexreader-card {
  background:
    radial-gradient(circle at 76% 9%, rgba(83,210,255,.15), transparent 32%),
    radial-gradient(circle at 55% 82%, rgba(255,205,100,.07), transparent 28%),
    linear-gradient(145deg, #0b1014, #080b0e 72%);
}

.hexreader-card .card-glow {
  background: radial-gradient(35rem circle at var(--mx) var(--my), rgba(89,217,255,.11), transparent 55%);
}

.hexreader-card .product-copy h3 { color: #def6ff; }
.h-symbol {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #b7ecff, #4ebee8 62%, #316a84);
  color: #071014;
}

.h-symbol::before,
.h-symbol::after {
  content: "";
  position: absolute;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid rgba(7,16,20,.24);
  transform: rotate(45deg);
}

.h-symbol::before { top: -1rem; right: -1rem; }
.h-symbol::after { bottom: -1rem; left: -1rem; }
.h-symbol i { font: normal 700 .8rem/1 var(--font-sans); }
.h-symbol b { margin: .22rem 0 0 .05rem; font: 500 .48rem/1 var(--font-mono); }

/* Future product studios, sequenced as full-width stories */
.future-tools-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
}

.future-product-card {
  --sweep-x: -125%;
  min-height: clamp(42rem, 72vw, 52rem);
  margin-bottom: 0;
}

.future-product-card .product-copy {
  transform: translateZ(35px);
}

.future-product-card .product-brand {
  margin-top: clamp(3rem, 6vw, 5.5rem);
}

.future-product-card .product-copy h3 {
  font-size: clamp(2.6rem, 4.4vw, 5.1rem);
}

.future-product-card .product-description {
  max-width: 34rem;
}

.cinematic-product-visual {
  position: relative;
  min-height: 0;
  aspect-ratio: 3 / 2;
  isolation: isolate;
  align-self: end;
  overflow: hidden;
  transform: translate3d(0, var(--visual-drift), 36px);
  transform-origin: center;
  background: #04070a;
  box-shadow: 0 2.25rem 5rem rgba(0, 0, 0, .5);
}

.weboardit-card:hover .cinematic-product-visual,
.future-product-card:hover .cinematic-product-visual {
  transform: translate3d(0, calc(var(--visual-drift) - 5px), 52px);
  box-shadow: 0 2.7rem 6rem rgba(0, 0, 0, .58);
}

.cinematic-product-visual::before,
.cinematic-product-visual::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
}

.cinematic-product-visual::before {
  background:
    linear-gradient(180deg, rgba(3, 5, 8, .62), transparent 23%, transparent 67%, rgba(3, 5, 8, .88)),
    radial-gradient(circle at 50% 48%, transparent 30%, rgba(2, 4, 7, .46) 100%);
}

.cinematic-product-visual::after {
  inset: 1rem;
  border: 1px solid rgba(205, 224, 255, .12);
  box-shadow: inset 0 0 2.75rem rgba(87, 204, 255, .035);
}

.cinematic-product-visual > img {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scale(1.035);
  object-fit: cover;
  transition: transform .9s var(--ease-out), filter .9s var(--ease-out);
}

.weboardit-card:hover .cinematic-product-visual > img,
.future-product-card:hover .cinematic-product-visual > img {
  transform: scale(1.075);
  filter: saturate(1.08) contrast(1.03);
}

.cinematic-topline,
.cinematic-bottomline {
  position: absolute;
  z-index: 4;
  right: clamp(1.5rem, 3vw, 2.4rem);
  left: clamp(1.5rem, 3vw, 2.4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(224, 230, 239, .56);
  font: clamp(.33rem, .52vw, .47rem)/1 var(--font-mono);
  letter-spacing: .14em;
}

.cinematic-topline { top: clamp(1.5rem, 3vw, 2.35rem); }
.cinematic-bottomline { bottom: clamp(1.5rem, 3vw, 2.35rem); }
.cinematic-topline span { display: flex; align-items: center; gap: .55rem; }
.cinematic-topline i { width: 5px; height: 5px; border-radius: 50%; background: #77ddff; box-shadow: 0 0 10px #77ddff; }
.cinematic-topline b { color: rgba(119, 221, 255, .72); font-weight: 400; }
.cinematic-bottomline i { height: 1px; flex: 1; margin: 0 .9rem; background: linear-gradient(90deg, rgba(119, 221, 255, .48), rgba(159, 133, 255, .36)); }

.cinematic-sweep {
  position: absolute;
  z-index: 3;
  top: -15%;
  bottom: -15%;
  left: 48%;
  width: 20%;
  transform: translate3d(var(--sweep-x), 0, 0) skewX(-16deg);
  background: linear-gradient(90deg, transparent, rgba(154, 223, 255, .1), rgba(194, 181, 255, .08), transparent);
  opacity: .75;
  pointer-events: none;
  transition: transform .12s linear;
}

.scifigure-card .cinematic-product-visual::after {
  border-color: rgba(197, 242, 139, .14);
  box-shadow: inset 0 0 2.75rem rgba(188, 255, 112, .035);
}

.scifigure-card .cinematic-topline i {
  background: #c7f683;
  box-shadow: 0 0 10px rgba(199, 246, 131, .85);
}

.scifigure-card .cinematic-topline b { color: rgba(199, 246, 131, .72); }
.scifigure-card .cinematic-bottomline i { background: linear-gradient(90deg, rgba(199, 246, 131, .5), rgba(156, 126, 255, .46)); }
.scifigure-card .cinematic-sweep { background: linear-gradient(90deg, transparent, rgba(199, 246, 131, .1), rgba(155, 124, 255, .1), transparent); }

.weboardit-card .cinematic-product-visual::after {
  border-color: rgba(255, 173, 130, .14);
  box-shadow: inset 0 0 2.75rem rgba(255, 145, 93, .035);
}

.weboardit-card .cinematic-topline i {
  background: #ffad82;
  box-shadow: 0 0 10px rgba(255, 173, 130, .85);
}

.weboardit-card .cinematic-topline b { color: rgba(140, 247, 210, .72); }
.weboardit-card .cinematic-bottomline i { background: linear-gradient(90deg, rgba(255, 173, 130, .52), rgba(151, 121, 255, .48), rgba(140, 247, 210, .46)); }
.weboardit-card .cinematic-sweep { background: linear-gradient(90deg, transparent, rgba(255, 173, 130, .09), rgba(156, 126, 255, .11), rgba(140, 247, 210, .07), transparent); }

.weboardit-visual > img,
.weboardit-card:hover .weboardit-visual > img {
  transform: scale(1);
  object-fit: contain;
  object-position: 50% 50%;
  filter: invert(.91) hue-rotate(180deg) brightness(.7) contrast(1.14) saturate(.88);
}

.weboardit-visual::before {
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(2,4,8,.48), rgba(3,5,10,.06) 24%, rgba(3,5,10,.11) 70%, rgba(2,4,8,.72)),
    radial-gradient(circle at 72% 21%, rgba(128,103,241,.17), transparent 29%),
    radial-gradient(circle at 18% 76%, rgba(80,210,196,.09), transparent 30%),
    linear-gradient(90deg, rgba(2,4,8,.34), transparent 18%, transparent 82%, rgba(2,4,8,.38));
}

.weboardit-call-dock {
  position: absolute;
  z-index: 6;
  top: clamp(3.3rem, 12%, 5.4rem);
  right: clamp(1.4rem, 3vw, 2.8rem);
  display: grid;
  grid-template-columns: auto repeat(4, 1.75rem) auto;
  align-items: center;
  gap: .35rem;
  padding: .48rem .62rem;
  border: 1px solid rgba(203,194,255,.25);
  border-radius: .75rem;
  background: linear-gradient(125deg, rgba(20,19,35,.9), rgba(5,8,14,.78));
  color: rgba(244,241,255,.9);
  box-shadow: 0 .9rem 2.8rem rgba(0,0,0,.44), inset 0 0 1.2rem rgba(131,99,242,.07);
  font-family: var(--font-mono);
  backdrop-filter: blur(16px) saturate(1.25);
}

.weboardit-call-dock > b {
  display: flex;
  align-items: center;
  gap: .38rem;
  margin-right: .3rem;
  font-size: .38rem;
  font-weight: 400;
  letter-spacing: .12em;
  white-space: nowrap;
}

.weboardit-call-dock > b i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #8cf7d2;
  box-shadow: 0 0 10px #8cf7d2;
}

.weboardit-call-dock .call-avatar {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  color: #fff;
  font-size: .46rem;
  box-shadow: 0 0 0 2px rgba(4,6,10,.82);
}

.call-avatar-a { background: linear-gradient(145deg, #765de0, #342b62); }
.call-avatar-m { background: linear-gradient(145deg, #dc8358, #663c2f); }
.call-avatar-k { background: linear-gradient(145deg, #4aa98c, #203f39); }
.call-avatar-d { background: linear-gradient(145deg, #4a98d0, #233b61); }

.weboardit-call-dock em {
  margin-left: .35rem;
  color: rgba(140,247,210,.7);
  font-size: .34rem;
  font-style: normal;
  letter-spacing: .1em;
  white-space: nowrap;
}

.weboardit-board-scan {
  position: absolute;
  z-index: 5;
  top: 14%;
  right: 2.5%;
  left: 2.5%;
  height: 1px;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(142,112,239,.12), rgba(255,255,255,.68), rgba(140,247,210,.28), transparent);
  box-shadow: 0 0 1.4rem rgba(151,125,245,.34);
  animation: weboardit-board-scan 7s cubic-bezier(.42,0,.26,1) infinite;
  animation-play-state: paused;
  pointer-events: none;
}

.weboardit-card.is-active.is-motion-active .weboardit-board-scan { animation-play-state: running; }

@keyframes weboardit-board-scan {
  0%, 12% { top: 14%; opacity: 0; }
  20% { opacity: .72; }
  76% { opacity: .45; }
  88%, 100% { top: 87%; opacity: 0; }
}

.weboardit-flow {
  position: absolute;
  z-index: 5;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.weboardit-flow i {
  --signal-color: #9f82ff;
  position: absolute;
  left: 27%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-color);
  box-shadow: 0 0 5px var(--signal-color), 0 0 14px var(--signal-color);
  opacity: 0;
  animation: weboardit-signal-flow 5.6s cubic-bezier(.45,0,.3,1) infinite;
  animation-play-state: paused;
}

.product-card.is-active.is-motion-active .weboardit-flow i { animation-play-state: running; }
.weboardit-flow i:nth-child(1) { top: 35%; }
.weboardit-flow i:nth-child(2) { --signal-color: #ffad82; top: 51%; animation-delay: -1.8s; }
.weboardit-flow i:nth-child(3) { --signal-color: #8cf7d2; top: 66%; animation-delay: -3.6s; }

@keyframes weboardit-signal-flow {
  0% { left: 27%; opacity: 0; transform: scale(.65); }
  12% { opacity: .9; }
  48% { opacity: 1; transform: scale(1); }
  88% { opacity: .76; }
  100% { left: 82%; opacity: 0; transform: scale(.65); }
}

/* Full-page, scroll-controlled product signal theater */
.product-observatory {
  --orbit-progress: 0;
  --orbit-shift: 0px;
  --orbit-shift-y: 0px;
  position: relative;
  z-index: 3;
  height: 430svh;
  padding: 0;
  overflow: clip;
  border-top: 1px solid rgba(255,255,255,.07);
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: #030407;
}

.product-orbit-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 44rem;
  overflow: hidden;
  isolation: isolate;
  transform: translateZ(0);
  background:
    radial-gradient(circle at 50% 50%, rgba(113,82,221,.11), transparent 37%),
    radial-gradient(circle at 50% 83%, rgba(84,225,196,.045), transparent 26%),
    linear-gradient(180deg, #05060a, #030407 72%);
}

.product-orbit-space,
.product-orbit-space::before,
.product-orbit-space::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.product-orbit-space { z-index: 0; overflow: hidden; }

.product-orbit-space::before {
  content: "";
  opacity: .34;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 6.5rem 6.5rem;
  mask-image: radial-gradient(circle at 50% 52%, #000 0%, rgba(0,0,0,.72) 45%, transparent 88%);
  -webkit-mask-image: radial-gradient(circle at 50% 52%, #000 0%, rgba(0,0,0,.72) 45%, transparent 88%);
}

.product-orbit-space::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(3,4,7,.88), transparent 13%, transparent 87%, rgba(3,4,7,.88)),
    linear-gradient(180deg, rgba(3,4,7,.72), transparent 16%, transparent 78%, rgba(3,4,7,.9));
}

.product-orbit-stars {
  position: absolute;
  inset: -12%;
  opacity: .66;
  transform: translate3d(var(--orbit-shift), var(--orbit-shift-y), 0);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,.76) 0 1px, transparent 1.5px),
    radial-gradient(circle at 74% 22%, rgba(187,173,255,.78) 0 1px, transparent 1.5px),
    radial-gradient(circle at 43% 64%, rgba(255,255,255,.52) 0 .8px, transparent 1.3px),
    radial-gradient(circle at 87% 77%, rgba(140,247,210,.68) 0 1px, transparent 1.5px),
    radial-gradient(circle at 30% 84%, rgba(255,173,130,.58) 0 .8px, transparent 1.35px);
  background-size: 137px 163px, 191px 227px, 113px 149px, 239px 181px, 173px 211px;
  animation: observatory-star-drift 28s linear infinite alternate;
  animation-play-state: paused;
  will-change: transform;
}

.product-observatory.is-motion-active .product-orbit-stars { animation-play-state: running; }

@keyframes observatory-star-drift {
  to { transform: translate3d(calc(var(--orbit-shift) + 2.2rem), calc(var(--orbit-shift-y) - 1rem), 0); }
}

.product-orbit-horizon {
  position: absolute;
  top: 50%;
  right: -8%;
  left: -8%;
  height: 1px;
  transform: scaleX(.22);
  transform-origin: center;
  background: linear-gradient(90deg, transparent, rgba(122,97,221,.2) 18%, rgba(255,255,255,.78) 50%, rgba(94,218,195,.2) 82%, transparent);
  box-shadow: 0 0 2.4rem rgba(137,111,241,.2);
  opacity: .16;
  will-change: transform, opacity;
}

.product-observatory.is-orbit-animating .product-orbit-horizon {
  animation: product-spectral-gate .68s cubic-bezier(.4,0,.2,1) both;
}

@keyframes product-spectral-gate {
  0% { transform: scaleX(.18); opacity: .08; }
  42% { transform: scaleX(1); opacity: .9; box-shadow: 0 0 5rem rgba(137,111,241,.38); }
  58% { transform: scaleX(1); opacity: .72; }
  100% { transform: scaleX(.24); opacity: .12; }
}

.product-spectral-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5rem;
  height: 5rem;
  transform: translate(-50%,-50%) scale(.7);
  border: 1px solid rgba(186,169,255,.16);
  border-radius: 50%;
  opacity: 0;
}

.product-spectral-core::before,
.product-spectral-core::after,
.product-spectral-core i {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
}

.product-spectral-core::before {
  width: 2.8rem;
  height: 2.8rem;
  transform: translate(-50%,-50%);
  border: 1px solid rgba(140,247,210,.2);
}

.product-spectral-core::after {
  width: 7px;
  height: 7px;
  transform: translate(-50%,-50%);
  background: #fff;
  box-shadow: 0 0 .8rem #fff, 0 0 2.8rem rgba(151,124,255,.9), 0 0 5rem rgba(140,247,210,.5);
}

.product-spectral-core i {
  width: 1px;
  height: 7rem;
  transform: translate(-50%,-50%);
  background: linear-gradient(transparent, rgba(255,255,255,.7), transparent);
}

.product-observatory.is-orbit-animating .product-spectral-core {
  animation: product-core-transfer .68s cubic-bezier(.4,0,.2,1) both;
}

@keyframes product-core-transfer {
  0% { transform: translate(-50%,-50%) scale(.5); opacity: 0; }
  38%, 60% { transform: translate(-50%,-50%) scale(1); opacity: .9; }
  100% { transform: translate(-50%,-50%) scale(1.35); opacity: 0; }
}

.product-orbit-head {
  position: absolute;
  z-index: 8;
  top: calc(var(--header-height) + .9rem);
  right: var(--page-gutter);
  left: var(--page-gutter);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  pointer-events: none;
}

.product-orbit-kicker {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .7rem;
  color: rgba(211,215,225,.46);
  font: .5rem/1 var(--font-mono);
  letter-spacing: .14em;
}

.product-orbit-kicker i {
  width: 3.4rem;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), rgba(140,247,210,.45));
}

.product-orbit-head h2 {
  margin: 0;
  color: rgba(244,245,248,.9);
  font-size: clamp(1.5rem, 2.3vw, 2.6rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.055em;
}

.product-orbit-head h2 em {
  color: transparent;
  background: linear-gradient(95deg, #d7ceff, #8e70ef 58%, #78d9c5);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
  font-weight: 400;
}

.product-orbit-readout {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  justify-items: end;
  gap: .3rem 1.2rem;
  min-width: 15rem;
  padding-top: .15rem;
  color: #747985;
  font-family: var(--font-mono);
  text-align: right;
}

.product-orbit-readout > span { grid-row: 1 / 3; color: #8a8f9b; font-size: .6rem; letter-spacing: .11em; }
.product-orbit-readout > span b { color: #f1effa; font-size: 1.1rem; font-weight: 400; }
.product-orbit-readout strong { color: #f1eff8; font-size: .72rem; font-weight: 400; letter-spacing: .09em; }
.product-orbit-readout small { color: rgba(140,247,210,.52); font-size: .4rem; letter-spacing: .14em; }

.product-orbit-stage {
  position: absolute;
  z-index: 4;
  top: calc(var(--header-height) + 7.2rem);
  right: 0;
  bottom: 5.3rem;
  left: 0;
  perspective: none;
  transform-style: flat;
  contain: layout style;
  isolation: isolate;
  outline: none;
}

.product-orbit-stage::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(82vw, 92rem);
  height: 58%;
  transform: translate(-50%,-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(116,87,225,.1), rgba(76,210,189,.022) 48%, transparent 72%);
  filter: blur(1.5rem);
  opacity: .55;
  pointer-events: none;
  transition: opacity .18s ease, transform .5s var(--ease-out);
}

.product-observatory.is-orbit-animating .product-orbit-stage::before {
  transform: translate(-50%,-50%) scale(1.08,.72);
  opacity: 1;
}

.product-orbit-stage::after {
  content: attr(data-transfer-label);
  position: absolute;
  z-index: 40;
  top: 50%;
  left: 50%;
  padding: .55rem .8rem;
  transform: translate(-50%,-50%) scale(.94);
  border: 1px solid rgba(190,176,255,.16);
  border-radius: 99px;
  background: rgba(4,5,9,.72);
  color: rgba(211,204,244,.58);
  box-shadow: 0 0 2rem rgba(120,91,227,.08);
  opacity: 0;
  font: .38rem/1 var(--font-mono);
  letter-spacing: .16em;
  pointer-events: none;
  transition: opacity .14s ease, transform .28s var(--ease-out);
}

.product-observatory.is-orbit-animating .product-orbit-stage::after {
  transform: translate(-50%,-50%) scale(1);
  opacity: 1;
}

.product-observatory .future-tools-stack { display: contents; }

.product-observatory .orbit-product-card {
  --orbit-transform: translate3d(-50%, -50%, 0) scale(.985);
  --orbit-opacity: 0;
  --orbit-focus: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  grid-template-columns: minmax(18rem,.68fr) minmax(0,1.55fr);
  width: min(88vw, 108rem);
  height: min(70svh, 50rem);
  min-height: 0;
  margin: 0;
  padding: clamp(1.35rem, 2.2vw, 2.4rem);
  transform: var(--orbit-transform) !important;
  transform-origin: center;
  transform-style: flat;
  opacity: var(--orbit-opacity);
  pointer-events: none;
  backface-visibility: hidden;
  contain: layout paint style;
  will-change: transform, opacity;
  transition: border-color .28s ease, box-shadow .28s ease;
}

.product-observatory .orbit-product-card.is-active {
  --orbit-transform: translate3d(-50%, -50%, 0) scale(1);
  --orbit-opacity: 1;
  border-color: rgba(210,203,242,.24);
  box-shadow: 0 2.8rem 8rem rgba(0,0,0,.54), 0 0 5rem rgba(117,88,228,.075);
  pointer-events: auto;
}

.product-observatory .orbit-product-card::before {
  transform: scaleY(var(--orbit-focus));
  background: linear-gradient(transparent, rgba(207,193,255,.85), rgba(140,247,210,.55), transparent);
}

.product-observatory .product-copy {
  min-height: 0;
  height: 100%;
  transform: none;
}

.product-observatory .product-brand { margin-top: clamp(2rem, 4.2vh, 3.6rem); }
.product-observatory .product-category { margin-bottom: clamp(1.2rem, 2.4vh, 2.2rem); }
.product-observatory .product-copy h3 { font-size: clamp(2.45rem, 4.1vw, 4.65rem); }
.product-observatory .product-description { font-size: clamp(.76rem, .86vw, .9rem); }
.product-observatory .product-link { margin-top: 1.5rem; }

.product-observatory .product-visual,
.product-observatory .product-card:hover .product-visual,
.product-observatory .cinematic-product-visual,
.product-observatory .product-card:hover .cinematic-product-visual {
  align-self: stretch;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  transform: translate3d(0,0,0);
}

.product-observatory .product-card.is-active:hover .product-visual,
.product-observatory .product-card.is-active:hover .cinematic-product-visual {
  transform: translate3d(0,-3px,0);
}

.product-observatory .product-visual,
.product-observatory .product-visual > img,
.product-observatory .kscholar-interface-depth {
  backface-visibility: hidden;
}

.product-observatory .visual-chrome,
.product-observatory .kscholar-interface-stage,
.product-observatory .cinematic-product-visual > img,
.product-observatory .cinematic-topline,
.product-observatory .cinematic-bottomline,
.product-observatory .weboardit-call-dock,
.product-observatory .weboardit-flow,
.product-observatory .weboardit-board-scan,
.product-observatory .cinematic-sweep {
  transition: opacity .28s var(--ease-out);
}

.product-observatory.is-orbit-animating .visual-chrome,
.product-observatory.is-orbit-animating .kscholar-interface-stage,
.product-observatory.is-orbit-animating .cinematic-product-visual > img,
.product-observatory.is-orbit-animating .cinematic-topline,
.product-observatory.is-orbit-animating .cinematic-bottomline,
.product-observatory.is-orbit-animating .weboardit-call-dock,
.product-observatory.is-orbit-animating .weboardit-flow,
.product-observatory.is-orbit-animating .weboardit-board-scan,
.product-observatory.is-orbit-animating .cinematic-sweep {
  opacity: 0 !important;
  transition: opacity .09s linear !important;
}

.product-observatory.is-orbit-light .visual-chrome,
.product-observatory.is-orbit-light .kscholar-interface-stage,
.product-observatory.is-orbit-light .cinematic-product-visual > img,
.product-observatory.is-orbit-light .cinematic-topline,
.product-observatory.is-orbit-light .cinematic-bottomline,
.product-observatory.is-orbit-light .weboardit-call-dock,
.product-observatory.is-orbit-light .weboardit-flow,
.product-observatory.is-orbit-light .weboardit-board-scan,
.product-observatory.is-orbit-light .cinematic-sweep {
  visibility: hidden;
}

.product-observatory.is-orbit-animating .weboardit-flow i,
.product-observatory.is-orbit-animating .weboardit-board-scan {
  animation-play-state: paused;
}

.product-observatory .kscholar-visual,
.product-observatory .kscholar-interface-stage { height: 100%; min-height: 0; }
.product-observatory .kscholar-interface-stage { height: calc(100% - 3rem); }
.product-observatory .future-product-card { min-height: 0; }
.product-observatory .future-product-card .product-copy { min-height: 0; }

.product-orbit-controls {
  position: absolute;
  z-index: 9;
  right: var(--page-gutter);
  bottom: 1.15rem;
  left: var(--page-gutter);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.product-orbit-meter {
  display: flex;
  align-items: center;
  gap: .85rem;
  color: rgba(199,204,214,.38);
  font: .42rem/1 var(--font-mono);
  letter-spacing: .13em;
}

.product-orbit-meter > i {
  display: block;
  width: min(20vw, 15rem);
  height: 1px;
  background: rgba(255,255,255,.11);
}

.product-orbit-meter > i b {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--orbit-progress));
  transform-origin: left;
  background: linear-gradient(90deg, var(--violet), #76d9ca 58%, var(--orange));
  box-shadow: 0 0 12px rgba(157,132,245,.45);
}

.product-orbit-index { display: flex; align-items: center; gap: .35rem; }

.product-orbit-index button {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: .55rem;
  min-width: 7.2rem;
  padding: .7rem .8rem;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: .65rem;
  background: rgba(7,8,12,.58);
  color: rgba(218,221,228,.44);
  font-family: var(--font-mono);
  text-align: left;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: color .25s, border-color .25s, background .25s, transform .25s var(--ease-out);
}

.product-orbit-index button:hover { color: #e8e7ed; transform: translateY(-2px); }
.product-orbit-index button:focus-visible { outline: 1px solid var(--violet-bright); outline-offset: 3px; }
.product-orbit-index button span { font-size: .42rem; letter-spacing: .1em; }
.product-orbit-index button b { font-size: .5rem; font-weight: 400; letter-spacing: .07em; }
.product-orbit-index button.is-active {
  border-color: rgba(188,172,255,.34);
  background: linear-gradient(120deg, rgba(117,87,221,.22), rgba(12,13,18,.72));
  color: #f1eefc;
  box-shadow: 0 0 1.8rem rgba(109,78,215,.11);
}

.product-orbit-index button.is-active::after {
  content: "";
  position: absolute;
  right: .65rem;
  bottom: -1px;
  left: .65rem;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), var(--mint));
  box-shadow: 0 0 9px rgba(155,132,245,.6);
}


.closing-links a:nth-child(1):hover { background: var(--violet); border-color: var(--violet); color: #110e18; }
.closing-links a:nth-child(2):hover { background: #71dcff; border-color: #71dcff; color: #071318; }
.closing-links a:nth-child(3):hover { background: var(--orange); border-color: var(--orange); color: #17100c; }
.closing-links a:nth-child(4):hover { background: var(--lime); border-color: var(--lime); color: #12150a; }

@media (max-width: 1180px) {
  .hero-copy { width: min(42rem, 58vw); }
  .hero-bottom { width: 100%; }
  .product-card { grid-template-columns: minmax(17rem,.72fr) minmax(0,1.28fr); gap: 2.5rem; }
  .product-visual { min-height: 58%; }
  .kscholar-interface-stage { min-height: 27rem; }
  .principles-grid { gap: 5vw; }
}

@media (max-width: 900px) {
  :root { --header-height: 3.75rem; }
  .noise { opacity: .024; }
  .ambient { width: 34rem; height: 34rem; opacity: .14; }
  .kscholar-visual .visual-chrome,
  .kscholar-readout,
  .mobile-menu { backdrop-filter: none; }
  .page-telemetry,.scroll-wake { display: none; }
  .desktop-nav { display: none; }
  .menu-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    justify-self: end;
    gap: 5px;
    width: 2.6rem;
    height: 2.6rem;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
  }
  .menu-toggle > span:not(.sr-only) { display: block; width: 1rem; height: 1px; background: currentColor; transition: transform .35s var(--ease-out); }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }
  .mobile-menu {
    position: fixed;
    z-index: 1;
    inset: 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: .7rem;
    padding: 7rem var(--page-gutter) 3rem;
    transform: translateY(-105%);
    background: rgba(6,7,10,.97);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: transform .7s var(--ease-out), opacity .25s ease, visibility 0s linear .7s;
  }
  .mobile-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform .7s var(--ease-out), opacity .25s ease;
  }
  .mobile-menu a { position: relative; display: block; padding: .35rem 0; outline: none; font-size: clamp(2.8rem,10vw,5rem); font-weight: 500; line-height: 1; letter-spacing: -.06em; transition: color .25s ease; }
  .mobile-menu a::after { content: ""; position: absolute; right: 0; bottom: -.12rem; left: 0; height: 1px; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg,var(--violet),var(--mint)); transition: transform .35s var(--ease-out); }
  .mobile-menu a:focus-visible { color: var(--violet-bright); }
  .mobile-menu a:focus-visible::after { transform: scaleX(1); }
  .menu-toggle:focus-visible { outline: 2px solid var(--violet-bright); outline-offset: 4px; }
  .mobile-menu-foot { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); color: #6b707b; font: .55rem/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
  body.menu-open { overflow: hidden; }

  .hero { min-height: max(54rem, 150svh); padding: 0; }
  .hero-stage {
    min-height: max(46rem, 100svh);
    padding-top: calc(var(--header-height) + 3rem);
  }
  .hero-stage::before {
    background:
      linear-gradient(90deg, rgba(2,3,6,.92), rgba(2,3,6,.7) 49%, rgba(2,3,6,.16) 82%),
      linear-gradient(180deg, rgba(2,3,6,.54), transparent 24%, transparent 70%, rgba(2,3,6,.55));
  }
  .opening-scroll-video,
  .opening-scroll-canvas {
    object-position: 42% center;
    transform: translate3d(3.5vw, calc(var(--opening-progress) * -1vh), 0)
      scale(calc(1.08 + var(--opening-progress) * .04));
  }
  .hero-copy { width: min(38rem, 76vw); min-height: auto; padding: 0; }
  .hero h1 { font-size: clamp(4rem, 9.6vw, 6rem); }
  .hero-bottom { width: min(34rem, 100%); }

  .thesis-layout { grid-template-columns: 1fr; gap: 3rem; }
  .thesis-aside { max-width: 28rem; }
  .scrub-title { margin-left: auto; }
  .section-heading-row { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading-row p { max-width: 36rem; }

  .product-card { display: flex; min-height: auto; flex-direction: column; padding: 2rem; transform: none !important; }
  .product-copy { min-height: 38rem; transform: none; }
  .product-copy h3 { font-size: clamp(3.2rem,8vw,5rem); }
  .product-description { max-width: 36rem; }
  .product-visual { min-height: 32rem; transform: none; }
  .product-card:hover .product-visual { transform: translateY(-4px); }
  .future-product-card { min-height: 0; }
  .future-product-card .product-copy { min-height: 32rem; }
  .weboardit-card .cinematic-product-visual,
  .weboardit-card:hover .cinematic-product-visual,
  .future-product-card .cinematic-product-visual,
  .future-product-card:hover .cinematic-product-visual {
    min-height: 0;
    aspect-ratio: 3 / 2;
    transform: none;
  }

  .principles-grid { grid-template-columns: 1fr; }
  .principles-head { min-height: 0; gap: 3rem; }
  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; width: 100%; }
}

@media (max-width: 640px) {
  :root { --page-gutter: 1.15rem; }
  .cursor-light,.cursor-dot,.cursor-ring { display: none; }
  .site-header .brand-mark { width: 1.95rem; height: auto; }
  .site-header .brand-type { font-size: .95rem; }
  .section-shell { padding-top: 6.5rem; padding-bottom: 6.5rem; }
  .section-kicker { grid-template-columns: auto 1fr; margin-bottom: 4rem; }
  .section-kicker > span:last-child { display: none; }
  .hero { min-height: max(58rem, 145svh); padding: 0; }
  .hero-stage {
    min-height: max(48rem, 100svh);
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 7rem;
  }
  .hero-stage::before {
    background:
      linear-gradient(90deg, rgba(2,3,6,.94), rgba(2,3,6,.85) 68%, rgba(2,3,6,.5)),
      linear-gradient(180deg, rgba(2,3,6,.58), transparent 22%, transparent 64%, rgba(2,3,6,.84));
  }
  .opening-scroll-video,
  .opening-scroll-canvas {
    object-position: 43% center;
    filter: brightness(.62) contrast(1.14) saturate(.72);
    transform: translate3d(0, calc(var(--opening-progress) * -.8vh), 0)
      scale(calc(1.035 + var(--opening-progress) * .025));
  }
  .opening-scroll-video-secondary,
  .opening-scroll-canvas-secondary {
    object-position: center;
    filter: brightness(.34) contrast(1.18) saturate(.66);
    transform: translate3d(0, calc(var(--secondary-progress) * -.65vh), 0)
      scale(calc(1.035 + var(--secondary-progress) * .025));
  }
  .opening-starfall-layer-near { filter: drop-shadow(0 0 .3rem rgba(171,151,255,.2)); }
  .hero-copy { width: 100%; min-height: auto; padding: 0; }
  .eyebrow { max-width: 19rem; flex-wrap: wrap; margin-bottom: 1.8rem; font-size: .5rem; }
  .hero h1 { font-size: clamp(2.85rem,12vw,4.15rem); line-height: .93; }
  .hero-bottom { width: 100%; margin-top: 2rem; }
  .hero-bottom > p { max-width: 29rem; padding: 0; font-size: .84rem; line-height: 1.65; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: .55rem; margin-top: 1.65rem; }
  .hero-primary { min-height: 3.15rem; }
  .hero-secondary { min-height: 2.7rem; }
  .hero-caption { right: var(--page-gutter); bottom: 1.55rem; line-height: 1.55; }

  .signal-track { height: 3.6rem; }
  .signal-track span { margin: 0 1rem; font-size: .54rem; }

  .thesis { min-height: auto; }
  .scrub-title { font-size: clamp(3.1rem,15vw,5.2rem); }
  .section-heading-row h2,.principles-head h2 { font-size: clamp(3.2rem,15vw,5.2rem); }

  .product-card { margin-right: -.35rem; margin-left: -.35rem; padding: 1.25rem; border-radius: 1.25rem; }
  .product-copy { min-height: 37rem; }
  .product-brand { margin-top: 3rem; }
  .product-copy h3 { font-size: clamp(2.9rem,14vw,4.2rem); }
  .product-description { font-size: .83rem; }
  .product-visual { min-height: 27rem; border-radius: .75rem; overflow: hidden; }
  .visual-chrome { grid-template-columns: 1fr 1fr; padding: 0 .7rem; }
  .visual-chrome > span { justify-self: end; }
  .visual-chrome > b { display: none; }
  .kscholar-visual { min-height: 21rem; }
  .kscholar-interface-stage { min-height: 18rem; padding: .65rem; }
  .kscholar-interface-depth { width: 100%; }
  .kscholar-focus-frame > span { display: none; }
  .kscholar-interface-orbit { right: -6rem; bottom: -6rem; width: 13rem; }
  .kscholar-readout { bottom: .55rem; min-width: 6rem; padding: .35rem .4rem; font-size: .24rem; }
  .kscholar-readout-left { display: none; }
  .kscholar-readout-right { right: .55rem; }
  .future-product-card .product-copy { min-height: 29rem; }
  .future-product-card .product-brand { margin-top: 2.75rem; }
  .weboardit-card .cinematic-product-visual,
  .weboardit-card:hover .cinematic-product-visual,
  .future-product-card .cinematic-product-visual,
  .future-product-card:hover .cinematic-product-visual {
    min-height: 0;
    aspect-ratio: 3 / 2;
    transform: none;
  }
  .cinematic-product-visual::after { inset: .65rem; }
  .cinematic-topline,
  .cinematic-bottomline { right: 1.15rem; left: 1.15rem; font-size: .31rem; }
  .cinematic-topline { top: 1.15rem; }
  .cinematic-bottomline { bottom: 1.15rem; }

  .principles-head { min-height: 0; gap: 2rem; }
  .principle-item { grid-template-columns: 2rem 1fr auto; gap: .7rem; padding: 2rem 0; }
  .principle-item p { font-size: .82rem; }
  .closing { min-height: 60rem; padding-top: 7rem; padding-bottom: 7rem; }
  .closing-brand { width: 8.75rem; margin-bottom: 1.5rem; }
  .closing h2 { font-size: clamp(3.1rem,14vw,5rem); }
  .closing-copy { font-size: .86rem; }
  .closing-links { width: min(22rem,100%); flex-direction: column; }
  .closing-links a { justify-content: space-between; }
  .closing-orbit { width: 135vw; }

  .site-footer { padding-top: 4rem; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 1.2rem; padding-bottom: 3.5rem; }
  .footer-nav { grid-template-columns: 1fr 1fr; width: 100%; margin-bottom: 3.5rem; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-base { justify-content: flex-start; }
}

@media (max-width: 900px) {
  .product-observatory { height: 445svh; }
  .product-orbit-sticky { min-height: 38rem; }
  .product-orbit-head { top: calc(var(--header-height) + .65rem); }
  .product-orbit-kicker { margin-bottom: .5rem; font-size: .42rem; }
  .product-orbit-head h2 { font-size: clamp(1.25rem, 4vw, 1.8rem); }
  .product-orbit-readout { min-width: 10rem; gap: .2rem .7rem; }
  .product-orbit-readout > span b { font-size: .86rem; }
  .product-orbit-readout strong { font-size: .56rem; }
  .product-orbit-readout small { font-size: .34rem; }
  .product-orbit-stage { top: calc(var(--header-height) + 5.9rem); bottom: 5.25rem; }

  .product-observatory .orbit-product-card {
    display: grid;
    grid-template-columns: minmax(0,1fr);
    grid-template-rows: minmax(17rem,.9fr) minmax(14rem,1.1fr);
    gap: .9rem;
    width: calc(100vw - var(--page-gutter) * 2);
    height: calc(100svh - var(--header-height) - 8.8rem);
    min-height: 35rem;
    padding: 1.15rem;
    border-radius: 1.2rem;
  }

  .product-observatory .product-copy { min-height: 0; height: 100%; transform: none; }
  .product-observatory .product-meta { padding-bottom: .65rem; }
  .product-observatory .product-brand { margin: 1rem 0 .6rem; }
  .product-observatory .product-category { margin-bottom: .8rem; }
  .product-observatory .product-copy h3 { margin-bottom: .8rem; font-size: clamp(2rem, 6vw, 3rem); }
  .product-observatory .product-description {
    display: -webkit-box;
    overflow: hidden;
    font-size: .73rem;
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .product-observatory .product-link { margin-top: .65rem; padding: .7rem 0; }
  .product-observatory .product-visual,
  .product-observatory .product-card:hover .product-visual,
  .product-observatory .cinematic-product-visual,
  .product-observatory .product-card:hover .cinematic-product-visual {
    height: 100%;
    min-height: 0;
    transform: none;
  }
  .product-observatory .kscholar-interface-stage { height: calc(100% - 3rem); min-height: 0; }
  .product-orbit-meter { display: none; }
  .product-orbit-controls { right: var(--page-gutter); bottom: .8rem; left: var(--page-gutter); }
  .product-orbit-index { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); width: 100%; }
  .product-orbit-index button { min-width: 0; padding: .65rem .55rem; }
}

@media (max-width: 640px) {
  .product-observatory { height: 455svh; }
  .product-orbit-sticky { min-height: 35rem; }
  .product-orbit-head { right: .9rem; left: .9rem; gap: .7rem; }
  .product-orbit-kicker { gap: .45rem; font-size: .34rem; }
  .product-orbit-kicker i { width: 1.8rem; }
  .product-orbit-kicker span:last-child { display: none; }
  .product-orbit-head h2 { max-width: 12rem; font-size: 1.08rem; line-height: 1.08; }
  .product-orbit-readout { min-width: 6.8rem; gap: .15rem .4rem; }
  .product-orbit-readout > span { font-size: .42rem; }
  .product-orbit-readout > span b { font-size: .75rem; }
  .product-orbit-readout strong { font-size: .48rem; }
  .product-orbit-readout small { display: none; }
  .product-orbit-stage { top: calc(var(--header-height) + 4.7rem); bottom: 4.55rem; }
  .product-observatory .orbit-product-card {
    grid-template-rows: minmax(15.1rem,.9fr) minmax(12.5rem,1.1fr);
    gap: .7rem;
    width: calc(100vw - 1.4rem);
    height: calc(100svh - var(--header-height) - 6.35rem);
    min-height: 31.5rem;
    padding: .85rem;
    border-radius: 1rem;
  }

  .product-observatory .product-meta { padding-bottom: .5rem; }
  .product-observatory .product-number { font-size: .43rem; }
  .product-observatory .product-brand { gap: .6rem; margin: .72rem 0 .5rem; font-size: 1rem; }
  .product-observatory .product-symbol { width: 1.85rem; height: 1.85rem; border-radius: .55rem; }
  .product-observatory .product-category { display: none; }
  .product-observatory .product-copy h3 { margin-bottom: .58rem; font-size: clamp(1.8rem, 8vw, 2.35rem); line-height: .92; }
  .product-observatory .product-description { font-size: .68rem; line-height: 1.45; -webkit-line-clamp: 2; }
  .product-observatory .product-link { margin-top: .48rem; padding: .58rem 0; font-size: .49rem; }
  .product-observatory .product-visual { border-radius: .7rem; }
  .product-observatory .visual-chrome { height: 2.2rem; }
  .product-observatory .kscholar-interface-stage { height: calc(100% - 2.2rem); padding: .5rem; }
  .product-observatory .kscholar-readout { display: none; }
  .product-observatory .cinematic-topline { top: .8rem; right: .8rem; left: .8rem; }
  .product-observatory .cinematic-bottomline { display: none; }
  .product-observatory .weboardit-call-dock {
    top: 2.8rem;
    right: .65rem;
    transform: scale(.72);
    transform-origin: top right;
  }
  .product-orbit-controls { right: .7rem; bottom: .62rem; left: .7rem; }
  .product-orbit-index { gap: .25rem; }
  .product-orbit-index button { display: flex; justify-content: center; min-height: 2.45rem; padding: .55rem .35rem; border-radius: .5rem; }
  .product-orbit-index button b { display: none; }
  .product-orbit-index button span { font-size: .43rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .cursor-light,.cursor-dot,.cursor-ring,.scroll-wake { display: none; }
  .site-loader { display: none; }
  .js body:not(.is-loaded) { overflow: auto; }
  .hero-line > span { transform: none; }
  .js [data-reveal] { opacity: 1; transform: none; filter: none; }
  .product-card,.product-visual,.kscholar-interface-depth { transform: none !important; }
  .hero { min-height: max(48rem,100svh); }
  .hero-stage { position: relative; }
  .hero-copy,.opening-scroll-video,.opening-scroll-canvas,.hero-line,.orbit-rotor { transform: none !important; }
  .product-observatory { height: auto; overflow: visible; padding: 8rem var(--page-gutter); }
  .product-orbit-sticky { position: relative; height: auto; min-height: 0; overflow: visible; background: #050608; }
  .product-orbit-space,.product-orbit-controls { display: none; }
  .product-orbit-head { position: relative; top: auto; right: auto; left: auto; margin-bottom: 3rem; }
  .product-orbit-stage { position: relative; top: auto; right: auto; bottom: auto; left: auto; display: grid; gap: 2rem; perspective: none; }
  .product-observatory .future-tools-stack { display: contents; }
  .product-observatory [data-product-slide="0"] { order: 0; }
  .product-observatory [data-product-slide="1"] { order: 1; }
  .product-observatory [data-product-slide="2"] { order: 2; }
  .product-observatory [data-product-slide="3"] { order: 3; }
  .product-observatory .orbit-product-card {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    min-height: 42rem;
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    pointer-events: auto;
  }
}

/* ===========================================================================
   GROUNLAB OBSERVATORY — local concept
   A structural visual system, not an effects overlay. Hero, products,
   principles and finale become parts of one dimensional research instrument.
   ========================================================================== */

.observatory-atmosphere {
  position: fixed;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.observatory-grid,
.observatory-horizon,
.observatory-prism {
  position: absolute;
  pointer-events: none;
}

.observatory-grid {
  inset: -18%;
  transform: perspective(620px) rotateX(66deg) translate3d(0, 35%, 0)
    translateY(calc(var(--scroll-velocity) * -.08px));
  transform-origin: center;
  background-image:
    linear-gradient(rgba(178, 164, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 247, 210, .025) 1px, transparent 1px);
  background-size: clamp(4rem, 7vw, 8rem) clamp(4rem, 7vw, 8rem);
  mask-image: radial-gradient(ellipse at center, #000, transparent 66%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 66%);
  opacity: .42;
}

.observatory-horizon {
  top: 54%;
  right: -15%;
  left: -15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(156, 137, 244, .13), rgba(140, 247, 210, .1), transparent);
  box-shadow: 0 0 3rem rgba(139, 112, 243, .09);
}

.observatory-prism {
  top: 20%;
  right: -10vw;
  width: 38vw;
  height: 38vw;
  transform: rotate(32deg) skew(-8deg) translate3d(calc(var(--scroll-velocity) * .18px), 0, 0);
  border: 1px solid rgba(178, 164, 255, .025);
  background: linear-gradient(135deg, rgba(140, 247, 210, .018), transparent 44%, rgba(142, 112, 244, .025));
  clip-path: polygon(50% 0, 100% 32%, 78% 100%, 8% 78%, 0 21%);
}

/* Hero / Origin Chamber */

.hero-stage {
  perspective: 1400px;
}

.hero-stage::before {
  background:
    linear-gradient(90deg, rgba(2,3,6,.94) 0%, rgba(2,3,6,.77) 30%, rgba(2,3,6,.16) 62%, rgba(2,3,6,.05) 82%),
    linear-gradient(180deg, rgba(2,3,6,.52) 0%, transparent 22%, transparent 70%, rgba(2,3,6,.64) 100%);
}

.hero-construct {
  position: absolute;
  z-index: 3;
  top: 50%;
  right: clamp(2rem, 5vw, 7rem);
  width: min(46vw, 48rem);
  aspect-ratio: 1.08;
  transform: translate3d(0, calc(-50% - var(--hero-progress) * 2.8rem), 0)
    rotateY(calc(-7deg + var(--hero-progress) * 4deg))
    scale(calc(1 + var(--hero-progress) * .035));
  transform-origin: center;
  opacity: calc(1 - var(--hero-progress) * .38);
  pointer-events: none;
  will-change: transform, opacity;
}

.construct-shell {
  position: absolute;
  inset: 7%;
  transform: rotate(-7deg);
  border: 1px solid rgba(187, 174, 255, .16);
  background:
    linear-gradient(135deg, rgba(167, 146, 255, .07), transparent 30%, rgba(140, 247, 210, .025) 70%, transparent),
    rgba(4, 6, 11, .16);
  clip-path: polygon(20% 0, 87% 7%, 100% 72%, 77% 100%, 9% 87%, 0 22%);
  box-shadow: inset 0 0 7rem rgba(116, 88, 227, .045), 0 4rem 9rem rgba(0,0,0,.3);
}

.construct-shell::before,
.construct-shell::after {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(146, 126, 235, .12);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  content: "";
}

.construct-shell::before {
  transform: rotate(7deg);
  background: linear-gradient(135deg, transparent 48%, rgba(140,247,210,.055) 50%, transparent 52%);
}

.construct-shell::after {
  inset: 20%;
  transform: rotate(52deg);
  border-color: rgba(214, 206, 255, .08);
  box-shadow: inset 0 0 3rem rgba(149, 124, 245, .035);
}

.construct-shell img {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 50%;
  width: 22%;
  height: auto;
  transform: translate(-50%, -50%) rotate(7deg);
  opacity: .86;
  filter: drop-shadow(0 0 1.2rem rgba(177, 157, 255, .42));
}

.construct-coordinate,
.construct-shell > b {
  position: absolute;
  z-index: 4;
  color: rgba(213, 216, 229, .42);
  font: .42rem/1.5 var(--font-mono);
  letter-spacing: .17em;
}

.construct-coordinate { top: 9%; left: 12%; }

.construct-shell > b {
  right: 11%;
  bottom: 11%;
  transform: rotate(7deg);
  color: rgba(140,247,210,.38);
  font-weight: 400;
  text-align: right;
}

.construct-axis {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  background: linear-gradient(90deg, transparent, rgba(220,214,255,.16), transparent);
}

.construct-axis-x { width: 88%; height: 1px; transform: translate(-50%, -50%) rotate(7deg); }
.construct-axis-y { width: 1px; height: 88%; transform: translate(-50%, -50%) rotate(7deg); background: linear-gradient(transparent, rgba(140,247,210,.13), transparent); }

.construct-plane {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 60%;
  height: 18%;
  border: 1px solid rgba(172, 155, 250, .12);
  border-radius: 50%;
}

.construct-plane-a { transform: translate(-50%, -50%) rotate(26deg); }
.construct-plane-b { transform: translate(-50%, -50%) rotate(-36deg); border-color: rgba(140,247,210,.08); }

.hero-copy {
  width: min(51rem, 58vw);
}

.hero h1 {
  font-size: clamp(4.5rem, 7vw, 8.5rem);
}

.discovery-origin {
  top: 50%;
  right: clamp(19rem, 26vw, 31rem);
  width: 3.5rem;
  opacity: calc(.3 + var(--origin-energy) * .45);
}

/* Product Worlds / full-viewport instruments */

.product-cinema {
  overflow: visible;
  background: #030406;
}

.product-cinema-intro {
  z-index: 5;
  min-height: 118svh;
  overflow: hidden;
  background: transparent;
}

.product-cinema-intro::before {
  display: none;
}

.product-cinema-heading h2 {
  max-width: 12ch;
  font-size: clamp(4.7rem, 8.5vw, 10rem);
}

.world-rail {
  position: sticky;
  z-index: 60;
  top: 50%;
  width: 0;
  height: 0;
  margin-left: auto;
  transform: translateY(-50%);
  pointer-events: none;
}

.world-rail::before {
  position: absolute;
  top: -11rem;
  right: clamp(.9rem, 1.5vw, 1.8rem);
  width: 1px;
  height: 22rem;
  background: linear-gradient(transparent, rgba(255,255,255,.1), transparent);
  content: "";
}

.world-rail a {
  position: absolute;
  right: clamp(1.15rem, 1.85vw, 2.2rem);
  display: grid;
  grid-template-columns: 1.5rem;
  align-items: center;
  gap: 0;
  width: max-content;
  transform: translateY(calc((var(--rail-index) - 1.5) * 3rem));
  color: rgba(210,213,223,.28);
  font: .4rem/1 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
  pointer-events: auto;
  transition: color .45s ease, transform .55s var(--ease-out);
}

.world-rail a:nth-child(1) { --rail-index: 0; }
.world-rail a:nth-child(2) { --rail-index: 1; }
.world-rail a:nth-child(3) { --rail-index: 2; }
.world-rail a:nth-child(4) { --rail-index: 3; }

.world-rail a.is-active {
  transform: translateY(calc((var(--rail-index) - 1.5) * 3rem));
  color: #d8ceff;
}

.product-cinema-stage {
  z-index: 4;
  padding: 0;
  background: #030406;
}

.product-chapter,
.product-chapter.flagship-scene {
  --world-r: 166;
  --world-g: 140;
  --world-b: 255;
  position: relative;
  min-height: 165svh;
  padding: 0;
  isolation: isolate;
  overflow: clip;
  place-items: start stretch;
}

.product-chapter.hexreader-scene { --world-r: 91; --world-g: 216; --world-b: 255; }
.product-chapter.weboardit-scene { --world-r: 145; --world-g: 116; --world-b: 255; }
.product-chapter.scifigure-scene { --world-r: 205; --world-g: 255; --world-b: 96; }

.product-chapter::before {
  z-index: 0;
  top: 8%;
  right: auto;
  left: -1.8vw;
  color: rgba(var(--world-r), var(--world-g), var(--world-b), .04);
  font: 500 clamp(12rem, 27vw, 34rem)/.7 var(--font-sans);
  letter-spacing: -.1em;
  content: "01";
}

.product-chapter[data-product-scene="1"]::before { content: "02"; }
.product-chapter[data-product-scene="2"]::before { content: "03"; }
.product-chapter[data-product-scene="3"]::before { content: "04"; }

.product-chapter::after {
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(var(--world-r),var(--world-g),var(--world-b),.055), transparent 28%, transparent 72%, rgba(var(--world-r),var(--world-g),var(--world-b),.025)),
    radial-gradient(ellipse at 73% 48%, rgba(var(--world-r),var(--world-g),var(--world-b),.105), transparent 36%),
    linear-gradient(180deg, #030406 0%, rgba(3,4,6,.38) 28%, rgba(3,4,6,.65) 78%, #030406 100%);
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
  content: "";
  pointer-events: none;
}

.product-cinema .product-chapter-card {
  position: sticky;
  z-index: 3;
  top: 0;
  grid-template-columns: minmax(20rem, .58fr) minmax(0, 1.55fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 5.5rem);
  width: 100%;
  min-height: 100svh;
  padding: calc(var(--header-height) + 3.5rem) clamp(4.2rem, 7vw, 9rem) 4.5rem var(--page-gutter);
}

.product-cinema .product-chapter-card::after {
  position: absolute;
  z-index: -1;
  right: 2.5vw;
  bottom: 1.5rem;
  color: rgba(var(--world-r), var(--world-g), var(--world-b), .07);
  font: 500 clamp(7rem, 13vw, 15rem)/.7 var(--font-sans);
  letter-spacing: -.09em;
  content: "01";
  pointer-events: none;
}

.product-cinema .product-chapter-card[data-product-slide="1"]::after { content: "02"; }
.product-cinema .product-chapter-card[data-product-slide="2"]::after { content: "03"; }
.product-cinema .product-chapter-card[data-product-slide="3"]::after { content: "04"; }

@media (min-width: 1101px) {
  .product-cinema .hexreader-card,
  .product-cinema .scifigure-card {
    grid-template-columns: minmax(0, 1.55fr) minmax(20rem, .58fr);
    padding-right: max(var(--page-gutter), 7rem);
    padding-left: clamp(4.2rem, 7vw, 9rem);
  }

  .product-cinema .hexreader-card .product-copy,
  .product-cinema .scifigure-card .product-copy {
    grid-column: 2;
    grid-row: 1;
    transform: translate3d(calc((1 - var(--portal-activation)) * 2rem), 0, 0);
  }

  .product-cinema .hexreader-card .product-visual,
  .product-cinema .scifigure-card .product-visual {
    grid-column: 1;
    grid-row: 1;
    transform: translate3d(calc((1 - var(--portal-activation)) * -4vw), 0, 0) !important;
    box-shadow:
      2rem 3rem 8rem rgba(0,0,0,.58),
      0 0 0 1px rgba(var(--world-r),var(--world-g),var(--world-b),.035),
      0 0 calc(var(--portal-activation) * 5rem) rgba(var(--world-r),var(--world-g),var(--world-b),.09);
  }

  .product-chapter.hexreader-scene::after,
  .product-chapter.scifigure-scene::after {
    background:
      linear-gradient(235deg, rgba(var(--world-r),var(--world-g),var(--world-b),.055), transparent 28%, transparent 72%, rgba(var(--world-r),var(--world-g),var(--world-b),.025)),
      radial-gradient(ellipse at 27% 48%, rgba(var(--world-r),var(--world-g),var(--world-b),.105), transparent 36%),
      linear-gradient(180deg, #030406 0%, rgba(3,4,6,.38) 28%, rgba(3,4,6,.65) 78%, #030406 100%);
    clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 94%);
  }

  .product-chapter.hexreader-scene::before,
  .product-chapter.scifigure-scene::before {
    right: -1.8vw;
    left: auto;
  }
}

.product-cinema .product-copy {
  position: relative;
  z-index: 4;
  justify-content: center;
  min-height: min(76svh, 48rem);
  padding: clamp(2rem, 5vh, 4rem) 0;
  opacity: calc(.35 + var(--portal-activation) * .65);
  transform: translate3d(calc((1 - var(--portal-activation)) * -2rem), 0, 0);
  transition: opacity .25s linear;
}

.product-cinema .product-meta {
  width: min(24rem, 100%);
  border-color: rgba(var(--world-r), var(--world-g), var(--world-b), .18);
}

.product-cinema .product-number {
  color: rgba(var(--world-r), var(--world-g), var(--world-b), .62);
}

.product-cinema .product-brand {
  margin-top: clamp(2.5rem, 5vh, 4.5rem);
}

.product-cinema .product-copy h3 {
  max-width: 8.5ch;
  font-size: clamp(3.4rem, 5.1vw, 6.5rem);
  line-height: .91;
  text-wrap: balance;
}

.product-cinema .product-description {
  max-width: 31rem;
  font-size: clamp(.84rem, .9vw, 1rem);
}

.product-cinema .product-link {
  width: min(24rem, 100%);
  border-color: rgba(var(--world-r), var(--world-g), var(--world-b), .2);
}

.product-cinema .product-visual,
.product-cinema .product-card:hover .product-visual,
.product-cinema .cinematic-product-visual,
.product-cinema .product-card:hover .cinematic-product-visual,
.product-cinema .weboardit-visual,
.product-cinema .weboardit-card:hover .weboardit-visual {
  position: relative;
  height: min(76svh, 51rem);
  min-height: 35rem;
  aspect-ratio: auto;
  opacity: calc(.62 + var(--portal-activation) * .38);
  transform: translate3d(calc((1 - var(--portal-activation)) * 4vw), 0, 0) !important;
  border-color: rgba(var(--world-r), var(--world-g), var(--world-b), calc(.12 + var(--portal-activation) * .26));
  border-radius: clamp(.8rem, 1.25vw, 1.4rem);
  box-shadow:
    -2rem 3rem 8rem rgba(0,0,0,.58),
    0 0 0 1px rgba(var(--world-r),var(--world-g),var(--world-b),.035),
    0 0 calc(var(--portal-activation) * 5rem) rgba(var(--world-r),var(--world-g),var(--world-b),.09);
  transition: opacity .25s linear, border-color .25s linear;
}

.product-cinema .weboardit-visual,
.product-cinema .weboardit-card:hover .weboardit-visual {
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
}

.product-cinema .kscholar-visual,
.product-cinema .kscholar-interface-stage {
  height: min(76svh, 51rem);
}

.product-cinema .kscholar-interface-stage { height: calc(100% - 3rem); }

.world-interface {
  position: absolute;
  z-index: 38;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  color: rgba(var(--world-r), var(--world-g), var(--world-b), .7);
  font: .38rem/1 var(--font-mono);
  letter-spacing: .16em;
  pointer-events: none;
}

.world-index,
.world-state {
  position: absolute;
  z-index: 3;
  top: 50%;
  padding: .55rem .7rem;
  border: 1px solid rgba(var(--world-r),var(--world-g),var(--world-b),.15);
  background: rgba(3,4,7,.6);
  opacity: calc(var(--portal-activation) * .8);
}

.world-index { left: .7rem; transform: translate(-55%, -50%) rotate(-90deg); }
.world-state { right: .7rem; transform: translate(55%, -50%) rotate(90deg); }

.world-edge {
  position: absolute;
  right: 7%;
  left: 7%;
  height: 1px;
  transform: scaleX(var(--portal-activation));
  background: linear-gradient(90deg, transparent, rgba(var(--world-r),var(--world-g),var(--world-b),.65), rgba(255,255,255,.38), transparent);
  box-shadow: 0 0 1rem rgba(var(--world-r),var(--world-g),var(--world-b),.3);
}

.world-edge-top { top: .65rem; transform-origin: left; }
.world-edge-bottom { bottom: .65rem; transform-origin: right; }

.world-refraction {
  position: absolute;
  top: -25%;
  bottom: -25%;
  left: calc(var(--portal-x) - 5%);
  width: clamp(4rem, 10vw, 10rem);
  transform: skewX(-10deg);
  background: linear-gradient(90deg, transparent, rgba(var(--world-r),var(--world-g),var(--world-b),.045), rgba(255,255,255,.055), transparent);
  filter: blur(4px);
  opacity: var(--portal-activation);
}

/* Principles / operating architecture */

.principles.section-shell {
  position: relative;
  min-height: 125svh;
  padding-top: clamp(8rem, 12vw, 13rem);
  padding-bottom: clamp(8rem, 12vw, 13rem);
  overflow: clip;
}

.principles-architecture {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

.principles-architecture > span {
  position: absolute;
  top: 8%;
  right: var(--page-gutter);
  color: rgba(205,210,223,.25);
  font: .42rem/1 var(--font-mono);
  letter-spacing: .2em;
}

.principles-architecture > i {
  position: absolute;
  right: 5%;
  left: 5%;
  height: 1px;
  transform: rotate(var(--architecture-angle));
  background: linear-gradient(90deg, transparent, rgba(166,140,255,.08), rgba(140,247,210,.07), transparent);
}

.principles-architecture > i:nth-of-type(1) { --architecture-angle: 9deg; top: 29%; }
.principles-architecture > i:nth-of-type(2) { --architecture-angle: -6deg; top: 52%; }
.principles-architecture > i:nth-of-type(3) { --architecture-angle: 4deg; top: 76%; }

.principles-grid,
.principles .section-kicker {
  position: relative;
  z-index: 2;
}

.principles-grid {
  grid-template-columns: minmax(20rem, .82fr) minmax(30rem, 1.18fr);
  gap: clamp(5rem, 10vw, 12rem);
}

.principles-head {
  position: sticky;
  top: 24vh;
}

.principles-head h2 {
  font-size: clamp(4.2rem, 7vw, 8rem);
}

.principle-list {
  border-top: 0;
}

.principle-item {
  min-height: 14rem;
  margin-bottom: 1.2rem;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(255,255,255,.09);
  background:
    linear-gradient(115deg, rgba(166,140,255,.055), transparent 46%),
    rgba(6,8,12,.48);
  clip-path: polygon(0 0, 96% 0, 100% 18%, 100% 100%, 4% 100%, 0 82%);
  backdrop-filter: blur(10px);
}

.principle-item:nth-child(2) { transform: translateX(3vw); }
.principle-item:nth-child(3) { transform: translateX(6vw); }

/* Finale / convergence chamber */

.closing {
  min-height: 130svh;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 47%, rgba(126,91,237,.15), transparent 27%),
    linear-gradient(180deg, #030406, #07070b 50%, #030406);
}

.closing::before {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  width: min(82vw, 78rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(45deg) scale(calc(.82 + var(--convergence) * .18));
  border: 1px solid rgba(177,159,255,calc(.025 + var(--convergence) * .09));
  background: linear-gradient(135deg, rgba(143,113,244,.025), transparent 44%, rgba(140,247,210,.018));
  box-shadow: inset 0 0 9rem rgba(111,84,221,.025);
  content: "";
}

.closing-architecture {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.closing-architecture > i,
.closing-architecture > b {
  position: absolute;
  top: 50%;
  color: rgba(216,211,237,.028);
  font: 600 clamp(10rem, 25vw, 28rem)/.7 var(--font-sans);
  letter-spacing: -.12em;
  transform: translateY(-50%);
}

.closing-architecture > i { left: -3vw; }
.closing-architecture > b { right: -2vw; font-weight: 600; }

.closing-beam {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110vw;
  height: 1px;
  transform: translate(-50%, -50%) rotate(var(--beam-angle)) scaleX(var(--convergence));
  background: linear-gradient(90deg, transparent, rgba(var(--beam-color),.16), rgba(255,255,255,.24), rgba(var(--beam-color),.12), transparent);
  box-shadow: 0 0 1.4rem rgba(var(--beam-color),.12);
}

.closing-beam-a { --beam-angle: 19deg; --beam-color: 166,140,255; }
.closing-beam-b { --beam-angle: -24deg; --beam-color: 140,247,210; }
.closing-beam-c { --beam-angle: 67deg; --beam-color: 103,220,255; }
.closing-beam-d { --beam-angle: -72deg; --beam-color: 205,255,96; }

.closing-brand {
  width: clamp(11rem, 18vw, 17rem);
  margin-bottom: 2.5rem;
}

.closing h2 {
  max-width: 12ch;
  font-size: clamp(4.5rem, 8.5vw, 10rem);
  text-wrap: balance;
}

.closing-copy {
  max-width: 40rem;
  font-size: clamp(.92rem, 1vw, 1.08rem);
}

@media (max-width: 1100px) {
  .hero-construct { right: 1rem; width: 48vw; opacity: .72; }
  .product-cinema .product-chapter-card { grid-template-columns: minmax(18rem,.65fr) minmax(0,1.35fr); padding-right: 4rem; }
  .product-cinema .product-copy h3 { font-size: clamp(3rem,5vw,5.2rem); }
}

@media (max-width: 900px) {
  .observatory-prism { opacity: .45; }
  .hero-construct { top: 27%; right: -10%; width: 62vw; opacity: .38; }
  .construct-coordinate,
  .construct-shell > b { display: none; }
  .hero-copy { width: min(40rem, 84vw); }
  .discovery-origin { display: none; }

  .product-cinema-intro { min-height: 100svh; }
  .world-rail {
    top: var(--header-height);
    width: 100%;
    height: 2.8rem;
    margin: 0;
    transform: none;
    background: rgba(4,5,8,.8);
    backdrop-filter: blur(14px);
  }
  .world-rail::before { display: none; }
  .world-rail a {
    top: 0;
    right: auto;
    left: calc((var(--rail-index) + .5) * 25%);
    grid-template-columns: auto;
    width: 25%;
    height: 2.8rem;
    justify-content: center;
    transform: translateX(-50%);
  }
  .world-rail a.is-active { transform: translateX(-50%); }

  .product-chapter,
  .product-chapter.flagship-scene { min-height: auto; padding: 5rem 0; }
  .product-chapter::after { clip-path: polygon(0 2%,100% 0,100% 98%,0 100%); }
  .product-cinema .product-chapter-card {
    position: relative;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    width: calc(100% - var(--page-gutter) * 2);
    min-height: 0;
    padding: 2rem 0;
  }
  .product-cinema .product-copy {
    min-height: 34rem;
    padding: 2rem 0;
    opacity: 1;
    transform: none;
  }
  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual,
  .product-cinema .cinematic-product-visual,
  .product-cinema .product-card:hover .cinematic-product-visual {
    height: auto;
    min-height: 29rem;
    aspect-ratio: 4 / 3;
    opacity: 1;
    transform: none !important;
  }
  .product-cinema .weboardit-visual,
  .product-cinema .weboardit-card:hover .weboardit-visual { min-height: 0; aspect-ratio: 10 / 9; }
  .product-cinema .kscholar-visual,
  .product-cinema .kscholar-interface-stage { height: auto; min-height: 29rem; }
  .product-cinema .kscholar-interface-stage { min-height: calc(29rem - 3rem); }
  .world-index,
  .world-state { display: none; }

  .principles.section-shell { min-height: 0; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-head { position: relative; top: auto; }
  .principle-item:nth-child(2),
  .principle-item:nth-child(3) { transform: none; }
}

@media (max-width: 640px) {
  .observatory-grid { opacity: .24; }
  .hero-construct { top: 24%; right: -20%; width: 82vw; opacity: .3; }
  .hero h1 { font-size: clamp(3.1rem, 13vw, 4.45rem); }
  .product-cinema-heading h2 { font-size: clamp(3.1rem, 14vw, 5rem); }
  .product-cinema .product-chapter-card { width: calc(100% - 1.4rem); }
  .product-cinema .product-copy h3 { font-size: clamp(2.9rem, 13vw, 4.15rem); }
  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual,
  .product-cinema .cinematic-product-visual,
  .product-cinema .product-card:hover .cinematic-product-visual { min-height: 24rem; }
  .product-cinema .kscholar-visual,
  .product-cinema .kscholar-interface-stage { min-height: 27rem; }
  .product-cinema .kscholar-interface-stage { min-height: calc(27rem - 3rem); }
  .principle-item { min-height: 12rem; padding: 2rem 1rem; backdrop-filter: none; }
  .closing { min-height: 110svh; }
  .closing h2 { font-size: clamp(3.2rem, 14vw, 5.2rem); }
  .closing-architecture > i,
  .closing-architecture > b { font-size: 42vw; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-construct,
  .product-cinema .product-copy,
  .product-cinema .product-visual,
  .closing::before { transform: none !important; opacity: 1 !important; }
  .product-cinema .product-chapter-card { position: relative; }
  .world-rail { display: none; }
}

@media (prefers-reduced-motion: reduce) and (max-width: 900px) {
  .product-observatory { padding: 6rem var(--page-gutter); }
  .product-observatory .orbit-product-card { display: flex; height: auto; min-height: 0; }
  .product-observatory .product-copy { min-height: 30rem; }
  .product-observatory .product-visual { min-height: 25rem; }
}

/* Product time descent: four real chapters in one continuous scroll */
.product-descent {
  --descent-progress: 0;
  --descent-velocity: 0;
  --descent-travel: 0px;
  position: relative;
  z-index: 3;
  isolation: isolate;
  min-height: 100svh;
  padding: 0;
  overflow: clip;
  border-top: 1px solid rgba(255,255,255,.07);
  background: #030407;
}

.product-descent::after {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: min(32rem, 48svh);
  background: linear-gradient(180deg, transparent, rgba(5,6,9,.72) 48%, #08090c 100%);
  pointer-events: none;
  content: "";
}

.product-descent-environment {
  position: sticky;
  z-index: 0;
  top: 0;
  height: 100svh;
  margin-bottom: -100svh;
  overflow: hidden;
  transform: translateZ(0);
  background:
    radial-gradient(ellipse at 50% 54%, rgba(91,67,190,.105), transparent 32%),
    radial-gradient(ellipse at 50% 100%, rgba(78,208,190,.035), transparent 38%),
    linear-gradient(180deg, #05060a 0%, #030407 66%, #050609 100%);
  pointer-events: none;
}

.product-descent-environment::before,
.product-descent-environment::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
}

.product-descent-environment::before {
  inset: -8%;
  transform: translate3d(0,var(--descent-travel),0);
  opacity: .3;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 6.5rem 6.5rem;
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  will-change: transform;
}

.product-descent-environment::after {
  z-index: 20;
  background:
    linear-gradient(90deg, rgba(3,4,7,.95), transparent 11%, transparent 89%, rgba(3,4,7,.95)),
    linear-gradient(180deg, rgba(3,4,7,.68), transparent 18%, transparent 73%, rgba(3,4,7,.86));
}

.product-descent-stars {
  position: absolute;
  z-index: 1;
  inset: -14%;
  opacity: .68;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,.82) 0 1px, transparent 1.5px),
    radial-gradient(circle at 74% 22%, rgba(187,173,255,.78) 0 1px, transparent 1.5px),
    radial-gradient(circle at 43% 64%, rgba(255,255,255,.56) 0 .8px, transparent 1.3px),
    radial-gradient(circle at 87% 77%, rgba(140,247,210,.66) 0 1px, transparent 1.5px),
    radial-gradient(circle at 30% 84%, rgba(255,173,130,.52) 0 .8px, transparent 1.35px);
  background-size: 137px 163px, 191px 227px, 113px 149px, 239px 181px, 173px 211px;
  animation: product-descent-starfall 24s linear infinite;
  will-change: transform;
}

@keyframes product-descent-starfall {
  from { transform: translate3d(0,-2.4rem,0) scale(1.02); }
  to { transform: translate3d(-1.4rem,2.8rem,0) scale(1.035); }
}

.product-descent-velocity {
  position: absolute;
  z-index: 2;
  inset: -16% -10%;
  transform: translate3d(0, calc(var(--descent-travel) * 2), 0);
  opacity: calc(.045 + var(--descent-velocity) * .34);
  background-image:
    repeating-linear-gradient(88deg, transparent 0 7.5vw, rgba(194,184,255,.23) 7.55vw 7.6vw, transparent 7.65vw 15vw),
    repeating-linear-gradient(92deg, transparent 0 11vw, rgba(130,232,213,.13) 11.03vw 11.07vw, transparent 11.12vw 21vw);
  mask-image: radial-gradient(ellipse at center, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 78%);
  will-change: transform, opacity;
}

.product-descent-light {
  position: absolute;
  z-index: 3;
  top: -18%;
  bottom: -22%;
  left: 50%;
  width: min(70rem, 72vw);
  transform: translateX(-50%);
  background:
    linear-gradient(90deg, transparent, rgba(126,101,233,.025) 29%, rgba(210,201,255,.08) 49.7%, rgba(140,247,210,.055) 50.3%, rgba(126,101,233,.025) 71%, transparent),
    radial-gradient(ellipse at 50% 49%, rgba(177,157,255,.13), transparent 37%);
  filter: saturate(1.1);
  mask-image: linear-gradient(90deg, transparent, #000 28%, #000 72%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 28%, #000 72%, transparent);
}

.product-descent-light::before,
.product-descent-light::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  content: "";
}

.product-descent-light::before {
  width: 1px;
  background: linear-gradient(transparent, rgba(225,219,255,.42) 24%, rgba(255,255,255,.88) 50%, rgba(139,242,218,.28) 76%, transparent);
  box-shadow: 0 0 1.8rem rgba(151,128,246,.38), 0 0 8rem rgba(120,92,224,.19);
  opacity: calc(.38 + var(--descent-velocity) * .34);
}

.product-descent-light::after {
  width: 18%;
  background: linear-gradient(90deg, transparent, rgba(173,155,255,.07), transparent);
  filter: blur(1.4rem);
  animation: product-light-breathe 5.8s ease-in-out infinite;
}

@keyframes product-light-breathe {
  50% { width: 27%; opacity: .58; }
}

.product-descent-light > i {
  position: absolute;
  right: 8%;
  left: 8%;
  height: 1px;
  transform: scaleX(.76);
  background: linear-gradient(90deg, transparent, rgba(146,119,239,.18), rgba(255,255,255,.62) 50%, rgba(116,225,204,.17), transparent);
  box-shadow: 0 0 1.5rem rgba(146,119,239,.12);
  opacity: .24;
  animation: product-gate-pulse 6s ease-in-out infinite;
}

.product-descent-light > i:nth-child(1) { top: 31%; animation-delay: -1.2s; }
.product-descent-light > i:nth-child(2) { top: 53%; animation-delay: -3.6s; }
.product-descent-light > i:nth-child(3) { top: 74%; animation-delay: -5s; }

@keyframes product-gate-pulse {
  48%, 54% { transform: scaleX(1); opacity: .48; }
}

.product-descent-aura {
  position: absolute;
  z-index: 2;
  inset: 8% 5%;
  opacity: 0;
  transition: opacity .85s ease;
}

.product-descent-aura.is-active { opacity: 1; }
.product-descent-aura[data-product-aura="0"] { background: radial-gradient(circle at 68% 48%, rgba(86,132,218,.115), transparent 34%); }
.product-descent-aura[data-product-aura="1"] { background: radial-gradient(circle at 68% 48%, rgba(81,202,237,.105), transparent 34%); }
.product-descent-aura[data-product-aura="2"] { background: radial-gradient(circle at 68% 48%, rgba(220,118,72,.08), transparent 32%); }
.product-descent-aura[data-product-aura="3"] { background: radial-gradient(circle at 68% 48%, rgba(177,229,83,.075), transparent 33%); }

.product-descent-debris {
  position: absolute;
  z-index: 6;
  inset: 0;
  overflow: hidden;
}

.product-descent-debris > i {
  position: absolute;
  top: 0;
  left: calc(var(--x) * 1%);
  width: calc(var(--size) * 1px);
  aspect-ratio: 1.15;
  transform-origin: center;
  clip-path: polygon(12% 22%, 56% 0, 100% 34%, 79% 92%, 31% 100%, 0 63%);
  background:
    linear-gradient(142deg, rgba(166,151,213,.18), transparent 28%),
    linear-gradient(315deg, rgba(61,77,95,.24), rgba(8,10,15,.82) 58%, rgba(39,31,58,.7));
  box-shadow: inset 0 0 0 1px rgba(208,197,244,.11), 0 0 1.8rem rgba(94,72,170,.12);
  opacity: calc(.18 + var(--depth) * .5);
  will-change: transform;
}

.product-descent-debris > i::before {
  position: absolute;
  inset: 18% 14% 12% 22%;
  clip-path: polygon(0 0, 100% 27%, 72% 100%, 21% 73%);
  background: linear-gradient(145deg, rgba(222,216,244,.13), rgba(34,42,54,.04));
  content: "";
}

.product-descent-vignette {
  position: absolute;
  z-index: 19;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 37%, rgba(1,2,4,.2) 69%, rgba(1,2,4,.82) 100%);
}

.product-descent-head {
  position: sticky;
  z-index: 24;
  top: calc(var(--header-height) + .75rem);
  height: 0;
  margin: 0 var(--page-gutter);
  pointer-events: none;
}

.product-descent-head::before {
  position: absolute;
  z-index: -1;
  top: -1.1rem;
  right: calc(var(--page-gutter) * -1);
  left: calc(var(--page-gutter) * -1);
  height: 7.6rem;
  background: linear-gradient(180deg, #030407 0%, rgba(3,4,7,.97) 52%, rgba(3,4,7,.74) 76%, transparent 100%);
  pointer-events: none;
  content: "";
}

.product-descent-title {
  max-width: min(55rem, 62vw);
}

.product-descent-kicker {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .7rem;
  color: rgba(211,215,225,.46);
  font: .5rem/1 var(--font-mono);
  letter-spacing: .14em;
}

.product-descent-kicker i {
  width: 3.4rem;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), rgba(140,247,210,.45));
}

.product-descent-head h2 {
  margin: 0;
  color: rgba(244,245,248,.9);
  font-size: clamp(1.5rem,2.3vw,2.6rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.055em;
}

.product-descent-head h2 em {
  color: transparent;
  background: linear-gradient(95deg, #d7ceff, #8e70ef 58%, #78d9c5);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
  font-weight: 400;
}

.product-descent-readout {
  position: absolute;
  top: .1rem;
  right: 0;
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  justify-items: end;
  gap: .3rem 1.2rem;
  min-width: 15rem;
  color: #747985;
  font-family: var(--font-mono);
  text-align: right;
}

.product-descent-readout > span { grid-row: 1 / 3; color: #8a8f9b; font-size: .6rem; letter-spacing: .11em; }
.product-descent-readout > span b { color: #f1effa; font-size: 1.1rem; font-weight: 400; }
.product-descent-readout strong { color: #f1eff8; font-size: .72rem; font-weight: 400; letter-spacing: .09em; }
.product-descent-readout small { color: rgba(140,247,210,.52); font-size: .4rem; letter-spacing: .14em; }

.product-descent-index {
  position: absolute;
  top: calc(100svh - var(--header-height) - 6.2rem);
  right: 0;
  display: flex;
  gap: .35rem;
  pointer-events: auto;
}

.product-descent-index button {
  position: relative;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: .55rem;
  min-width: 7.2rem;
  padding: .7rem .85rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: .65rem;
  background: rgba(4,5,9,.7);
  color: #6f747e;
  font-family: var(--font-mono);
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: color .25s, border-color .25s, background .25s, transform .25s var(--ease-out);
}

.product-descent-index button:hover { color: #e8e7ed; transform: translateY(-2px); }
.product-descent-index button:focus-visible { outline: 1px solid var(--violet-bright); outline-offset: 3px; }
.product-descent-index button span { font-size: .42rem; letter-spacing: .1em; }
.product-descent-index button b { font-size: .5rem; font-weight: 400; letter-spacing: .07em; }
.product-descent-index button.is-active {
  border-color: rgba(190,174,255,.43);
  background: linear-gradient(135deg, rgba(116,86,222,.18), rgba(8,10,14,.82));
  color: #ddd6fb;
  box-shadow: inset 0 0 1.3rem rgba(112,82,220,.08), 0 0 1.7rem rgba(109,82,211,.08);
}

.product-descent-index button.is-active::after {
  position: absolute;
  right: .65rem;
  bottom: -1px;
  left: .65rem;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), var(--mint));
  box-shadow: 0 0 9px rgba(155,132,245,.6);
  content: "";
}

.product-descent-stage {
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  padding: 14svh 0 7svh;
  outline: none;
}

.product-descent .future-tools-stack { display: contents; }
.product-descent-scene[data-product-scene="0"] { order: 0; z-index: 5; }
.product-descent-scene[data-product-scene="1"] { order: 1; z-index: 6; }
.product-descent-scene[data-product-scene="2"] { order: 2; z-index: 7; }
.product-descent-scene[data-product-scene="3"] { order: 3; z-index: 8; }

.product-descent-scene {
  --scene-focus: 0;
  position: relative;
  min-height: 158svh;
}

.product-descent-scene.flagship-scene { min-height: 185svh; }
.product-descent-scene.scifigure-scene { min-height: 150svh; }

.product-descent .descent-product-card {
  --descent-y: 0px;
  --descent-scale: .935;
  --descent-opacity: 0;
  --descent-tilt: 0deg;
  position: sticky;
  top: clamp(10.5rem,17.5svh,12rem);
  display: grid;
  grid-template-columns: minmax(18rem,.68fr) minmax(0,1.55fr);
  width: min(88vw,108rem);
  height: min(69svh,50rem);
  min-height: 0;
  margin: 0 auto;
  padding: clamp(1.35rem,2.2vw,2.4rem);
  transform: translate3d(0,var(--descent-y),0) scale(var(--descent-scale)) perspective(1400px) rotateX(var(--descent-tilt)) !important;
  transform-origin: center 58%;
  transform-style: flat;
  opacity: var(--descent-opacity);
  pointer-events: none;
  backface-visibility: hidden;
  contain: layout paint style;
  will-change: auto;
  transition: border-color .32s ease, box-shadow .32s ease;
}

.product-descent .descent-product-card.is-descent-near { will-change: transform, opacity; }
.product-descent .descent-product-card.is-active {
  border-color: rgba(210,203,242,.25);
  box-shadow: 0 3rem 8rem rgba(0,0,0,.56), 0 0 6rem rgba(117,88,228,.08);
  pointer-events: auto;
}

.product-descent .descent-product-card::before {
  transform: scaleY(var(--scene-focus));
  background: linear-gradient(transparent, rgba(207,193,255,.86), rgba(140,247,210,.56), transparent);
}

.product-descent .product-copy {
  min-height: 0;
  height: 100%;
  transform: none;
}

.product-descent .product-brand { margin-top: clamp(2rem,4.2vh,3.6rem); }
.product-descent .product-category { margin-bottom: clamp(1.2rem,2.4vh,2.2rem); }
.product-descent .product-copy h3 { font-size: clamp(2.45rem,4.1vw,4.65rem); }
.product-descent .product-description { font-size: clamp(.76rem,.86vw,.9rem); }
.product-descent .product-link { margin-top: 1.5rem; }

.product-descent .product-visual,
.product-descent .product-card:hover .product-visual,
.product-descent .cinematic-product-visual,
.product-descent .product-card:hover .cinematic-product-visual {
  align-self: stretch;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  transform: translate3d(0,0,0);
}

.product-descent .product-card.is-active:hover .product-visual,
.product-descent .product-card.is-active:hover .cinematic-product-visual { transform: translate3d(0,-3px,0); }
.product-descent .kscholar-visual,
.product-descent .kscholar-interface-stage { height: 100%; min-height: 0; }
.product-descent .kscholar-interface-stage { height: calc(100% - 3rem); }
.product-descent .future-product-card { min-height: 0; }
.product-descent .future-product-card .product-copy { min-height: 0; }

.product-descent .visual-chrome,
.product-descent .kscholar-interface-stage,
.product-descent .cinematic-product-visual > img,
.product-descent .cinematic-topline,
.product-descent .cinematic-bottomline,
.product-descent .weboardit-call-dock,
.product-descent .weboardit-flow,
.product-descent .weboardit-board-scan,
.product-descent .cinematic-sweep {
  opacity: 0;
  visibility: hidden;
  transition: opacity .46s ease, visibility 0s linear .46s;
}

.product-descent .descent-product-card.is-detail-visible .visual-chrome,
.product-descent .descent-product-card.is-detail-visible .kscholar-interface-stage,
.product-descent .descent-product-card.is-detail-visible .cinematic-product-visual > img,
.product-descent .descent-product-card.is-detail-visible .cinematic-topline,
.product-descent .descent-product-card.is-detail-visible .cinematic-bottomline,
.product-descent .descent-product-card.is-detail-visible .weboardit-call-dock,
.product-descent .descent-product-card.is-detail-visible .weboardit-flow,
.product-descent .descent-product-card.is-detail-visible .weboardit-board-scan,
.product-descent .descent-product-card.is-detail-visible .cinematic-sweep {
  opacity: 1;
  visibility: visible;
  transition: opacity .62s ease, visibility 0s linear 0s;
}

.product-descent .descent-product-card:not(.is-descent-near) .product-visual { visibility: hidden; }
.product-descent .descent-product-card:not(.is-detail-visible) .product-visual * { animation-play-state: paused !important; }
.product-descent .kscholar-interface-depth > img { filter: brightness(1.16) contrast(1.04) saturate(1.04); }
.product-descent .hexreader-visual > img { filter: brightness(1.08) contrast(1.04) saturate(1.05); }
.product-descent .scifigure-visual > img { filter: brightness(1.1) contrast(1.04) saturate(1.06); }
.product-descent .weboardit-visual > img,
.product-descent .weboardit-card:hover .weboardit-visual > img {
  transform: scale(1);
  filter: invert(.92) hue-rotate(180deg) brightness(.82) contrast(1.18) saturate(.86);
}

.product-descent-depth {
  position: absolute;
  right: var(--page-gutter);
  bottom: 12svh;
  left: var(--page-gutter);
  display: flex;
  align-items: center;
  gap: .75rem;
  opacity: calc(.12 + var(--scene-focus) * .46);
  color: rgba(203,207,217,.5);
  font: .42rem/1 var(--font-mono);
  letter-spacing: .15em;
  pointer-events: none;
}

.product-descent-depth > i { width: 4rem; height: 1px; background: linear-gradient(90deg, rgba(164,139,244,.7), rgba(140,247,210,.35)); }
.product-descent-depth > b { color: rgba(140,247,210,.38); font-weight: 400; }

.product-descent-exit {
  position: relative;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  height: 42svh;
  color: rgba(205,209,217,.38);
  font: .48rem/1 var(--font-mono);
  letter-spacing: .16em;
}

.product-descent-exit i { width: min(12rem,22vw); height: 1px; background: linear-gradient(90deg, rgba(153,128,239,.6), rgba(140,247,210,.48)); }
.product-descent-exit b { color: rgba(140,247,210,.48); font-weight: 400; }

@media (max-width: 900px) {
  .product-descent-head { top: calc(var(--header-height) + .55rem); margin-right: var(--page-gutter); margin-left: var(--page-gutter); }
  .product-descent-title { max-width: 68vw; }
  .product-descent-kicker { margin-bottom: .5rem; font-size: .42rem; }
  .product-descent-head h2 { font-size: clamp(1.25rem,4vw,1.8rem); }
  .product-descent-readout { min-width: 10rem; gap: .2rem .7rem; }
  .product-descent-readout > span b { font-size: .86rem; }
  .product-descent-readout strong { font-size: .56rem; }
  .product-descent-readout small { font-size: .34rem; }
  .product-descent-index { top: calc(100svh - var(--header-height) - 5.35rem); right: 0; left: 0; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }
  .product-descent-index button { justify-content: center; min-width: 0; padding: .65rem .5rem; }
  .product-descent-stage { padding-top: 13svh; }
  .product-descent-scene { min-height: 166svh; }
  .product-descent-scene.flagship-scene { min-height: 195svh; }
  .product-descent .descent-product-card {
    top: calc(var(--header-height) + 5.25rem);
    grid-template-columns: minmax(0,1fr);
    grid-template-rows: minmax(17rem,.9fr) minmax(14rem,1.1fr);
    gap: .9rem;
    width: calc(100vw - var(--page-gutter) * 2);
    height: calc(100svh - var(--header-height) - 9.25rem);
    min-height: 35rem;
    padding: 1.15rem;
    border-radius: 1.2rem;
  }
  .product-descent .product-copy { min-height: 0; height: 100%; }
  .product-descent .product-meta { padding-bottom: .65rem; }
  .product-descent .product-brand { margin: 1rem 0 .6rem; }
  .product-descent .product-category { margin-bottom: .8rem; }
  .product-descent .product-copy h3 { margin-bottom: .8rem; font-size: clamp(2rem,6vw,3rem); }
  .product-descent .product-description { display: -webkit-box; overflow: hidden; font-size: .73rem; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .product-descent .product-link { margin-top: .65rem; padding: .7rem 0; }
  .product-descent .product-visual,
  .product-descent .product-card:hover .product-visual,
  .product-descent .cinematic-product-visual,
  .product-descent .product-card:hover .cinematic-product-visual { height: 100%; min-height: 0; transform: none; }
  .product-descent .kscholar-interface-stage { height: calc(100% - 3rem); min-height: 0; }
  .product-descent-depth { bottom: 10svh; }
}

@media (max-width: 640px) {
  .product-descent-title { max-width: 64vw; }
  .product-descent-kicker { gap: .45rem; font-size: .34rem; }
  .product-descent-kicker i { width: 1.8rem; }
  .product-descent-kicker span:last-child { display: none; }
  .product-descent-head h2 { max-width: 13rem; font-size: 1.08rem; line-height: 1.08; }
  .product-descent-readout { min-width: 6.8rem; gap: .15rem .4rem; }
  .product-descent-readout > span { font-size: .42rem; }
  .product-descent-readout > span b { font-size: .75rem; }
  .product-descent-readout strong { font-size: .48rem; }
  .product-descent-readout small { display: none; }
  .product-descent-index { top: calc(100svh - var(--header-height) - 4.45rem); gap: .25rem; }
  .product-descent-index button { display: flex; min-height: 2.4rem; padding: .52rem .32rem; border-radius: .5rem; }
  .product-descent-index button b { display: none; }
  .product-descent-index button span { font-size: .43rem; }
  .product-descent-stage { padding-top: 11svh; }
  .product-descent-scene { min-height: 172svh; }
  .product-descent-scene.flagship-scene { min-height: 205svh; }
  .product-descent .descent-product-card {
    top: calc(var(--header-height) + 4rem);
    grid-template-rows: minmax(15.1rem,.9fr) minmax(12.5rem,1.1fr);
    gap: .7rem;
    width: calc(100vw - 1.4rem);
    height: calc(100svh - var(--header-height) - 6.85rem);
    min-height: 31.5rem;
    padding: .85rem;
    border-radius: 1rem;
  }
  .product-descent .product-meta { padding-bottom: .5rem; }
  .product-descent .product-number { font-size: .43rem; }
  .product-descent .product-brand { gap: .6rem; margin: .72rem 0 .5rem; font-size: 1rem; }
  .product-descent .product-symbol { width: 1.85rem; height: 1.85rem; border-radius: .55rem; }
  .product-descent .product-category { display: none; }
  .product-descent .product-copy h3 { margin-bottom: .58rem; font-size: clamp(1.8rem,8vw,2.35rem); line-height: .92; }
  .product-descent .product-description { font-size: .68rem; line-height: 1.45; -webkit-line-clamp: 2; }
  .product-descent .product-link { margin-top: .48rem; padding: .58rem 0; font-size: .49rem; }
  .product-descent .product-visual { border-radius: .7rem; }
  .product-descent .visual-chrome { height: 2.2rem; }
  .product-descent .kscholar-interface-stage { height: calc(100% - 2.2rem); padding: .5rem; }
  .product-descent .kscholar-readout { display: none; }
  .product-descent .cinematic-topline { top: .8rem; right: .8rem; left: .8rem; }
  .product-descent .cinematic-bottomline { display: none; }
  .product-descent .weboardit-call-dock { top: 2.8rem; right: .65rem; transform: scale(.72); transform-origin: top right; }
  .product-descent-depth { right: .9rem; bottom: 8svh; left: .9rem; font-size: .34rem; }
  .product-descent-depth > i { width: 2rem; }
  .product-descent-light { width: 120vw; }
  .product-descent-debris > i:nth-child(3n) { display: none; }
  .product-descent-exit { height: 34svh; font-size: .36rem; }
}

@media (prefers-reduced-motion: reduce) {
  .product-descent { overflow: visible; padding: 8rem var(--page-gutter); }
  .product-descent::after { display: none; }
  .product-descent-environment { display: none; }
  .product-descent-head { position: relative; top: auto; height: auto; margin: 0 0 3rem; }
  .product-descent-readout { position: relative; top: auto; right: auto; margin-top: 1rem; justify-items: start; text-align: left; }
  .product-descent-index { position: relative; top: auto; right: auto; display: flex; margin-top: 1.5rem; }
  .product-descent-stage { display: flex; gap: 2rem; padding: 0; }
  .product-descent-scene { min-height: 0; }
  .product-descent-scene.flagship-scene,
  .product-descent-scene.scifigure-scene { min-height: 0; }
  .product-descent .descent-product-card {
    position: relative;
    top: auto;
    width: 100%;
    height: auto;
    min-height: 42rem;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto;
  }
  .product-descent .descent-product-card .product-visual,
  .product-descent .descent-product-card .visual-chrome,
  .product-descent .descent-product-card .kscholar-interface-stage,
  .product-descent .descent-product-card .cinematic-product-visual > img,
  .product-descent .descent-product-card .cinematic-topline,
  .product-descent .descent-product-card .cinematic-bottomline,
  .product-descent .descent-product-card .weboardit-call-dock,
  .product-descent .descent-product-card .weboardit-flow,
  .product-descent .descent-product-card .weboardit-board-scan,
  .product-descent .descent-product-card .cinematic-sweep { opacity: 1; visibility: visible; }
  .product-descent-depth,
  .product-descent-exit { display: none; }
}

@media (prefers-reduced-motion: reduce) and (max-width: 900px) {
  .product-descent { padding: 6rem var(--page-gutter); }
  .product-descent-title { max-width: none; }
  .product-descent-index { display: grid; }
  .product-descent .descent-product-card { display: flex; height: auto; min-height: 0; }
  .product-descent .product-copy { min-height: 30rem; }
  .product-descent .product-visual { min-height: 25rem; }
}

/* Product cinema: one calm scroll-scrubbed film, four readable chapters */
.product-cinema {
  --product-film-progress: 0;
  position: relative;
  z-index: 3;
  isolation: isolate;
  padding: 0;
  overflow: clip;
  border-top: 1px solid rgba(255,255,255,.07);
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: transparent;
}

.product-cinema-film {
  position: sticky;
  z-index: 0;
  top: 0;
  width: 100%;
  height: 100svh;
  margin-bottom: -100svh;
  overflow: hidden;
  pointer-events: none;
  background: #020306;
}

.product-cinema-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: brightness(.54) saturate(.88) contrast(1.08);
  transition: opacity .7s ease;
}

.product-cinema-film.is-video-ready .product-cinema-video { opacity: 1; }

.product-cinema-shade,
.product-cinema-grain,
.product-cinema-film::before,
.product-cinema-film::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
}

.product-cinema-shade {
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(2,3,6,.82), rgba(2,3,6,.25) 38%, rgba(2,3,6,.15) 65%, rgba(2,3,6,.68)),
    radial-gradient(ellipse at center, transparent 18%, rgba(1,2,4,.42) 100%);
}

.product-cinema-grain {
  z-index: 3;
  opacity: .055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.68'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.product-cinema-film::before {
  z-index: 4;
  background: linear-gradient(180deg, #050608 0%, rgba(5,6,8,.48) 9%, transparent 25%);
}

.product-cinema-film::after {
  z-index: 4;
  background: linear-gradient(0deg, #050608 0%, rgba(5,6,8,.58) 10%, transparent 28%);
}

.product-cinema-intro {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 100svh;
  justify-content: center;
  flex-direction: column;
  padding-top: calc(var(--header-height) + 5rem);
  padding-bottom: 9rem;
}

.product-cinema-kicker {
  display: flex;
  align-items: center;
  gap: .9rem;
  margin-bottom: clamp(3.2rem,7vh,6rem);
  color: #777c86;
  font: .52rem/1 var(--font-mono);
  letter-spacing: .15em;
}

.product-cinema-kicker i {
  width: 4rem;
  height: 1px;
  background: linear-gradient(90deg, #9175ef, rgba(140,247,210,.62));
}

.product-cinema-heading {
  display: grid;
  grid-template-columns: minmax(0,1fr);
  align-items: end;
  gap: 0;
}

.product-cinema-heading h2 {
  max-width: 13ch;
  margin: 0;
  color: #f1f2f5;
  font-size: clamp(4rem,7.4vw,8.7rem);
  font-weight: 500;
  line-height: .91;
  letter-spacing: -.078em;
}

.product-cinema-heading h2 em {
  color: transparent;
  background: linear-gradient(100deg, #d7ceff, #8f72f0 58%, #78d9c5);
  background-clip: text;
  -webkit-background-clip: text;
  font-style: normal;
  font-weight: 400;
}

.product-cinema-stage {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 3svh 0 2svh;
}

.product-cinema .future-tools-stack { display: contents; }
.product-cinema .product-chapter[data-product-scene="0"] { order: 0; }
.product-cinema .product-chapter[data-product-scene="1"] { order: 1; }
.product-cinema .product-chapter[data-product-scene="2"] { order: 2; }
.product-cinema .product-chapter[data-product-scene="3"] { order: 3; }

.product-chapter {
  position: relative;
  display: grid;
  min-height: 0;
  place-items: center;
  padding: clamp(2rem,3.25svh,3.5rem) 0;
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.product-chapter.flagship-scene { min-height: 0; }

.product-chapter::before {
  position: absolute;
  top: .65rem;
  left: var(--page-gutter);
  color: rgba(211,215,225,.34);
  font: .45rem/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  content: attr(aria-label);
}

.product-cinema .product-chapter-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(18rem,.72fr) minmax(0,1.62fr);
  gap: clamp(2rem,4.5vw,5rem);
  width: min(calc(100vw - var(--page-gutter) * 2),112rem);
  min-height: min(76svh,52rem);
  margin: 0 auto;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  transform: none !important;
  transform-style: flat;
  background: transparent;
  box-shadow: none;
  will-change: auto !important;
}

.product-cinema .kscholar-card {
  background: transparent;
}

.product-cinema .product-chapter-card::before {
  display: none;
}

.product-cinema .product-chapter-card:hover { transform: none !important; }
.product-cinema .card-glow {
  display: none;
}

.product-cinema .product-copy,
.product-cinema .future-product-card .product-copy {
  min-height: 0;
  transform: none;
}

.product-cinema .product-brand { margin-top: clamp(2.3rem,5vh,4.5rem); }
.product-cinema .product-copy h3 { font-size: clamp(2.8rem,4.5vw,5.2rem); }
.product-cinema .product-description { font-size: clamp(.82rem,.92vw,.96rem); }

.product-cinema .product-visual,
.product-cinema .product-card:hover .product-visual,
.product-cinema .cinematic-product-visual,
.product-cinema .product-card:hover .cinematic-product-visual {
  align-self: stretch;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  transform: none !important;
  box-shadow: 0 2rem 5rem rgba(0,0,0,.45);
}

.product-cinema .kscholar-visual,
.product-cinema .kscholar-interface-stage { height: 100%; min-height: 0; }
.product-cinema .kscholar-interface-stage { height: calc(100% - 3rem); }
.product-cinema .kscholar-interface-depth,
.product-cinema .kscholar-card:hover .kscholar-interface-depth {
  transform: translate3d(0, var(--visual-drift, 0px), 0) scale(1.025);
  transform-origin: center;
}
.product-cinema .cinematic-product-visual > img,
.product-cinema .product-card:hover .cinematic-product-visual > img { transform: scale(1.01); }

.product-cinema .weboardit-visual > img,
.product-cinema .weboardit-card:hover .weboardit-visual > img {
  transform: scale(1.005);
  object-fit: cover;
  filter: brightness(.92) contrast(1.06) saturate(.96);
}

.product-cinema .weboardit-visual,
.product-cinema .weboardit-card:hover .weboardit-visual {
  align-self: center;
  height: auto;
  aspect-ratio: 16 / 9;
}

/* WeBoardit: the real board is the product surface; the generated artwork is only its stage. */
.product-cinema .weboardit-composite,
.product-cinema .weboardit-card:hover .weboardit-composite {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgba(169, 180, 218, .19);
  border-radius: clamp(.9rem, 1.35vw, 1.5rem);
  background: #010205;
  box-shadow:
    0 3rem 8rem rgba(0, 0, 0, .64),
    0 0 0 1px rgba(119, 221, 255, .025),
    inset 0 0 5rem rgba(95, 75, 176, .045);
}

.product-cinema .weboardit-composite::before {
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(1, 2, 5, .18), transparent 24%, transparent 72%, rgba(1, 2, 5, .5)),
    radial-gradient(ellipse at 50% 49%, rgba(117, 93, 238, .12), transparent 48%),
    linear-gradient(90deg, rgba(1, 2, 5, .42), transparent 12%, transparent 88%, rgba(1, 2, 5, .42));
}

.product-cinema .weboardit-composite::after {
  z-index: 20;
  inset: clamp(.55rem, 1vw, .95rem);
  border-color: rgba(205, 215, 245, .1);
  border-radius: clamp(.55rem, .9vw, 1rem);
  box-shadow:
    inset 0 0 3rem rgba(104, 82, 221, .035),
    0 0 2.4rem rgba(0, 0, 0, .3);
}

/* The board is a layered composite, so its scroll light must sit above the
   real interface plane (z6) while remaining beneath the glass frame (z20). */
.product-cinema .weboardit-scroll-spotlight {
  z-index: 18;
  top: -22%;
  bottom: -22%;
  left: 34%;
  width: 32%;
  transform: translate3d(var(--sweep-x), 0, 0) skewX(-9deg);
  background: radial-gradient(
    ellipse at 50% 48%,
    rgba(188, 213, 255, .2) 0%,
    rgba(145, 117, 255, .12) 24%,
    rgba(87, 211, 211, .055) 43%,
    transparent 70%
  );
  filter: blur(9px);
  mix-blend-mode: screen;
  opacity: .82;
  transition: transform .2s cubic-bezier(.22, 1, .36, 1);
}

.product-cinema .weboardit-composite > .weboardit-stage-image,
.product-cinema .weboardit-card:hover .weboardit-composite > .weboardit-stage-image {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: none;
  filter: brightness(.67) contrast(1.12) saturate(.88);
  transition: none;
}

.weboardit-stage-aura {
  position: absolute;
  z-index: 1;
  top: 24%;
  right: 12%;
  bottom: 19%;
  left: 12%;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 50% 48%, rgba(128, 99, 255, .2), transparent 48%),
    radial-gradient(ellipse at 67% 54%, rgba(65, 209, 225, .09), transparent 36%);
  filter: blur(28px);
}

.weboardit-presence-rail,
.weboardit-signal-rail,
.weboardit-board-plane figcaption {
  color: rgba(219, 224, 237, .61);
  font: clamp(.34rem, .48vw, .49rem)/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.weboardit-presence-rail {
  position: absolute;
  z-index: 8;
  top: 8.6%;
  right: 7.5%;
  left: 7.5%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.weboardit-live {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  justify-self: start;
}

.weboardit-live > i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #8cf7d2;
  box-shadow: 0 0 12px rgba(140, 247, 210, .9);
}

.weboardit-presence-rail .weboardit-flow {
  position: static;
  z-index: auto;
  inset: auto;
  overflow: visible;
  color: rgba(206, 198, 243, .49);
  pointer-events: auto;
}
.weboardit-flow b { margin: 0 .55rem; color: rgba(140, 247, 210, .4); font-weight: 400; }

.weboardit-presence {
  display: flex;
  align-items: center;
  justify-self: end;
}

.weboardit-presence i,
.weboardit-presence b {
  display: grid;
  width: clamp(1.2rem, 1.65vw, 1.65rem);
  height: clamp(1.2rem, 1.65vw, 1.65rem);
  margin-left: -.2rem;
  place-items: center;
  border: 1px solid rgba(205, 210, 230, .18);
  border-radius: 50%;
  color: rgba(239, 238, 244, .72);
  background: rgba(13, 15, 24, .92);
  font-size: clamp(.31rem, .4vw, .42rem);
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
}

.weboardit-presence i:nth-child(1) { background: rgba(104, 78, 190, .72); }
.weboardit-presence i:nth-child(2) { background: rgba(173, 101, 65, .58); }
.weboardit-presence i:nth-child(3) { background: rgba(38, 112, 113, .65); }
.weboardit-presence i:nth-child(4) { background: rgba(65, 103, 158, .64); }

.weboardit-board-plane {
  position: absolute;
  z-index: 6;
  top: 49%;
  left: 50%;
  width: 87%;
  margin: 0;
  transform: translate3d(-50%, -48%, 0);
  filter: drop-shadow(0 1.9rem 2.8rem rgba(0, 0, 0, .64));
}

.weboardit-board-plane::before {
  position: absolute;
  z-index: 2;
  inset: -1px;
  border: 1px solid rgba(190, 198, 235, .27);
  border-radius: clamp(.4rem, .7vw, .75rem);
  box-shadow:
    0 0 0 1px rgba(92, 71, 181, .12),
    0 0 2.6rem rgba(112, 88, 226, .14),
    inset 0 0 1.5rem rgba(138, 111, 240, .045);
  content: "";
  pointer-events: none;
}

.weboardit-board-image {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: clamp(.4rem, .7vw, .75rem);
  filter: invert(.92) hue-rotate(180deg) brightness(.82) contrast(1.1) saturate(.82);
  image-rendering: auto;
}

.weboardit-board-plane figcaption {
  position: absolute;
  top: calc(100% + clamp(.55rem, .9vw, .85rem));
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: .85rem;
  color: rgba(206, 211, 225, .43);
}

.weboardit-board-plane figcaption i {
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, rgba(255, 173, 130, .42), rgba(126, 97, 240, .58), rgba(140, 247, 210, .4));
}

.weboardit-board-plane figcaption b {
  color: rgba(140, 247, 210, .55);
  font-weight: 400;
}

.weboardit-signal-rail {
  position: absolute;
  z-index: 8;
  right: 7.5%;
  bottom: 7.8%;
  left: 7.5%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .8rem;
  color: rgba(206, 211, 225, .4);
}

.weboardit-signal-rail > b {
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 173, 130, .35), rgba(126, 97, 240, .58) 48%, rgba(140, 247, 210, .4));
}

.weboardit-signal-rail > span { display: inline-flex; align-items: center; gap: .5rem; }
.weboardit-signal-rail > span:last-child { justify-self: end; }
.weboardit-signal-rail i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ffad82;
  box-shadow: 0 0 10px rgba(255, 173, 130, .72);
}
.weboardit-signal-rail > span:last-child i {
  background: #8cf7d2;
  box-shadow: 0 0 10px rgba(140, 247, 210, .72);
}

.product-cinema-outro {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  height: clamp(5.5rem, 9svh, 7rem);
  color: rgba(205,209,217,.42);
  font: .48rem/1 var(--font-mono);
  letter-spacing: .16em;
}

.product-cinema-outro i {
  width: min(12rem,22vw);
  height: 1px;
  background: linear-gradient(90deg, rgba(153,128,239,.68), rgba(140,247,210,.52));
}

.product-cinema-outro b { color: rgba(140,247,210,.52); font-weight: 400; }

/* Lower cinema: the opening rock film continues behind Principles through the footer. */
.lower-cinema-film {
  --lower-film-opacity: 0;
  --lower-film-progress: 0;
  --lower-film-y: 0px;
  --lower-stars-y: 0px;
  --lower-stars-y-reverse: 0px;
  position: fixed;
  z-index: 0;
  inset: 0;
  contain: strict;
  overflow: hidden;
  opacity: var(--lower-film-opacity);
  background: #020306 url("assets/grounlab-space-loop-poster-v1.webp") center / cover no-repeat;
  pointer-events: none;
  will-change: opacity;
}

.lower-cinema-video {
  position: absolute;
  z-index: 0;
  inset: -4%;
  width: 108%;
  height: 108%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: translate3d(0, var(--lower-film-y), 0) scale(1.055, -1.055);
  transform-origin: center;
  filter: brightness(.49) contrast(1.12) saturate(.76);
  transition: opacity .65s ease;
  will-change: transform;
}

.lower-cinema-film.is-video-ready .lower-cinema-video,
.lower-cinema-film.is-static .lower-cinema-video { opacity: 1; }

.lower-cinema-shade,
.lower-cinema-stars,
.lower-cinema-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.lower-cinema-shade {
  z-index: 2;
  background:
    linear-gradient(180deg, #030407 0%, rgba(3,4,7,.68) 10%, transparent 31%, transparent 66%, rgba(2,3,6,.68) 100%),
    linear-gradient(90deg, rgba(2,3,6,.69), rgba(2,3,6,.24) 28%, rgba(2,3,6,.21) 68%, rgba(2,3,6,.72));
}

.lower-cinema-stars {
  z-index: 3;
  overflow: hidden;
  opacity: .42;
  mix-blend-mode: screen;
}

.lower-cinema-stars::before,
.lower-cinema-stars::after {
  position: absolute;
  inset: -16%;
  background-repeat: repeat;
  content: "";
  will-change: transform;
}

.lower-cinema-stars::before {
  transform: translate3d(0, var(--lower-stars-y), 0);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(245,247,255,.72) 0 .8px, transparent 1.45px),
    radial-gradient(circle at 67% 29%, rgba(190,176,255,.62) 0 .8px, transparent 1.5px),
    radial-gradient(circle at 37% 78%, rgba(217,230,255,.52) 0 .65px, transparent 1.25px),
    radial-gradient(circle at 88% 63%, rgba(130,211,225,.5) 0 .7px, transparent 1.3px);
  background-size: 25rem 21rem, 33rem 29rem, 21rem 31rem, 39rem 25rem;
}

.lower-cinema-stars::after {
  transform: translate3d(0, var(--lower-stars-y-reverse), 0);
  background-image:
    radial-gradient(circle at 23% 34%, rgba(255,255,255,.4) 0 .55px, transparent 1.15px),
    radial-gradient(circle at 73% 13%, rgba(174,155,255,.43) 0 .65px, transparent 1.25px),
    radial-gradient(circle at 53% 84%, rgba(152,221,255,.34) 0 .5px, transparent 1.05px);
  background-size: 19rem 23rem, 31rem 35rem, 43rem 29rem;
  opacity: .62;
}

.lower-cinema-grain {
  z-index: 4;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.product-cinema { border-bottom: 0; }

.principles {
  position: relative;
  z-index: 1;
  border-top: 0;
  background: transparent;
}

.principles.section-shell {
  padding-top: clamp(3.5rem, 4vw, 5rem);
}

.principles .section-kicker {
  margin-bottom: clamp(2rem, 2.5vw, 3rem);
}

.closing {
  z-index: 1;
  border-top-color: rgba(255,255,255,.045);
  background: transparent;
}

.closing-orbit { display: none; }

.site-footer {
  border-top-color: rgba(255,255,255,.05);
  background: transparent;
}

@media (max-width: 900px) {
  .product-cinema-intro { min-height: 92svh; padding-top: calc(var(--header-height) + 4rem); padding-bottom: 6rem; }
  .product-cinema-heading { grid-template-columns: 1fr; align-items: start; gap: 2rem; }
  .product-cinema-heading h2 { max-width: 12ch; font-size: clamp(3.2rem,10vw,5.7rem); }
  .product-cinema-heading > div { max-width: 28rem; }
  .product-chapter,
  .product-chapter.flagship-scene { min-height: 0; padding: 3rem 0; }
  .product-cinema .product-chapter-card {
    grid-template-columns: minmax(0,1fr);
    grid-template-rows: minmax(26rem,.85fr) minmax(25rem,1.15fr);
    gap: 1rem;
    width: calc(100vw - var(--page-gutter) * 2);
    min-height: 72rem;
    padding: 0;
    border-radius: 0;
  }
  .product-cinema .product-copy { height: 100%; }
  .product-cinema .product-brand { margin: 2rem 0 .8rem; }
  .product-cinema .product-copy h3 { font-size: clamp(2.6rem,7vw,4rem); }
  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual { min-height: 25rem; }
  .product-cinema .weboardit-composite,
  .product-cinema .weboardit-card:hover .weboardit-composite { min-height: 0; }
  .weboardit-board-plane { width: 91%; }
}

@media (max-width: 640px) {
  .lower-cinema-video {
    inset: -3%;
    width: 106%;
    height: 106%;
    filter: brightness(.44) contrast(1.12) saturate(.7);
  }
  .lower-cinema-shade {
    background:
      linear-gradient(180deg, #030407 0%, rgba(3,4,7,.72) 12%, transparent 33%, transparent 64%, rgba(2,3,6,.74) 100%),
      linear-gradient(90deg, rgba(2,3,6,.66), rgba(2,3,6,.22) 48%, rgba(2,3,6,.68));
  }
  .lower-cinema-stars { opacity: .32; }
  .product-cinema-video { filter: brightness(.5) saturate(.78) contrast(1.08); }
  .product-cinema-shade { background: linear-gradient(90deg, rgba(2,3,6,.76), rgba(2,3,6,.28) 50%, rgba(2,3,6,.76)); }
  .product-cinema-kicker { gap: .55rem; margin-bottom: 2.6rem; font-size: .39rem; }
  .product-cinema-kicker i { width: 2rem; }
  .product-cinema-kicker span:last-child { display: none; }
  .product-cinema-heading h2 { font-size: clamp(2.8rem,13vw,4.2rem); }
  .product-cinema-heading p { font-size: .82rem; }
  .product-chapter,
  .product-chapter.flagship-scene { min-height: auto; padding: 3rem 0; }
  .product-chapter::before { top: .65rem; font-size: .36rem; }
  .product-cinema .product-chapter-card {
    grid-template-rows: minmax(25rem,auto) minmax(18rem,31rem);
    width: calc(100vw - 1.4rem);
    min-height: 0;
    padding: 0;
    border-radius: 0;
  }
  .product-cinema .product-copy h3 { font-size: clamp(2.25rem,10vw,3.1rem); }
  .product-cinema .product-description { font-size: .74rem; line-height: 1.58; }
  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual { min-height: 18rem; border-radius: .75rem; }
  .product-cinema .kscholar-interface-stage { height: calc(100% - 2.2rem); }
  .product-cinema .weboardit-call-dock { transform: scale(.68); transform-origin: top right; }
  .product-cinema .weboardit-composite,
  .product-cinema .weboardit-card:hover .weboardit-composite {
    min-height: 22rem;
    aspect-ratio: 10 / 9;
  }
  .product-cinema .weboardit-composite > .weboardit-stage-image,
  .product-cinema .weboardit-card:hover .weboardit-composite > .weboardit-stage-image { object-position: 50% 50%; }
  .weboardit-presence-rail { top: 7%; right: 1rem; left: 1rem; grid-template-columns: 1fr auto; }
  .weboardit-flow { display: none; }
  .weboardit-board-plane { top: 48%; width: 128%; }
  .weboardit-board-plane figcaption { display: none; }
  .weboardit-signal-rail { right: 1rem; bottom: 6.5%; left: 1rem; font-size: .31rem; }
  .product-cinema-outro { height: 5.5rem; font-size: .36rem; }
}

@media (prefers-reduced-motion: reduce) {
  .lower-cinema-stars { display: none; }
  .lower-cinema-video { transform: scale(1.055, -1.055); }
  .product-cinema-film { position: absolute; inset: 0; height: 100%; margin: 0; }
  .product-cinema-video { display: none; }
  .product-cinema .product-card *,
  .product-cinema .product-card *::before,
  .product-cinema .product-card *::after { transition: none !important; }
}

/* --------------------------------------------------------------------------
   Discovery Signal
   One restrained energy system connects the film, product instruments and
   closing mark. The canvas remains behind content; local portal layers stay
   clipped to product imagery so interface text is never obscured.
   -------------------------------------------------------------------------- */

.discovery-field {
  position: fixed;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  transition: opacity 1.2s ease;
}

:root[data-discovery="ready"] .discovery-field { opacity: .94; }

.discovery-origin {
  --origin-energy: calc(1 - var(--hero-progress));
  position: absolute;
  z-index: 3;
  top: 42%;
  right: clamp(8%, 17vw, 22%);
  width: clamp(5.5rem, 8vw, 8.5rem);
  aspect-ratio: 1;
  transform: translate3d(0, calc(var(--hero-progress) * -1.5rem), 0)
    scale(calc(.82 + var(--origin-energy) * .18));
  opacity: calc(.22 + var(--origin-energy) * .7);
  background: radial-gradient(circle, rgba(151, 132, 255, calc(.03 + var(--origin-energy) * .1)), transparent 64%);
  filter: drop-shadow(0 0 1.6rem rgba(126, 97, 239, calc(.04 + var(--origin-energy) * .12)));
  pointer-events: none;
  will-change: transform, opacity;
}

.discovery-origin::before,
.discovery-origin::after {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
}

.discovery-origin::before {
  width: 148%;
  height: 1px;
  transform: translate(-50%, -50%) rotate(-18deg);
  background: linear-gradient(90deg, transparent, rgba(166, 140, 255, .08) 28%, rgba(238, 234, 255, .44) 50%, rgba(140, 247, 210, .12) 72%, transparent);
  box-shadow: 0 0 .7rem rgba(166, 140, 255, .18);
}

.discovery-origin::after {
  width: 1px;
  height: 124%;
  transform: translate(-50%, -50%) rotate(12deg);
  background: linear-gradient(transparent, rgba(140, 247, 210, .07) 25%, rgba(238, 234, 255, .3) 50%, rgba(166, 140, 255, .08) 75%, transparent);
}

.discovery-origin > i {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #bba8ff;
  box-shadow: 0 0 .75rem currentColor;
  animation: discovery-origin-drift 5.4s ease-in-out infinite alternate;
}

.discovery-origin > i:first-child { top: 22%; right: 17%; color: #bba8ff; }
.discovery-origin > i:nth-child(2) {
  bottom: 19%;
  left: 13%;
  color: #8cf7d2;
  background: currentColor;
  animation-delay: -2.1s;
}

.discovery-origin > b {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: #effffb;
  box-shadow:
    0 0 .6rem #fff,
    0 0 1.4rem rgba(167, 145, 255, .9),
    0 0 3.5rem rgba(140, 247, 210, .45);
}

.discovery-origin > span {
  position: absolute;
  top: 49%;
  left: 50%;
  width: 43%;
  height: 43%;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid rgba(183, 169, 255, .13);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: discovery-prism-breathe 4.8s ease-in-out infinite;
}

@keyframes discovery-origin-drift {
  to { transform: translate3d(.55rem, -.35rem, 0); opacity: .38; }
}

@keyframes discovery-prism-breathe {
  50% { opacity: .38; transform: translate(-50%, -50%) rotate(45deg) scale(1.18); }
}

.product-cinema .product-visual {
  --portal-activation: 0;
  --portal-progress: 0;
  --portal-x: 12%;
  --portal-y: 50%;
  --portal-r: 166;
  --portal-g: 140;
  --portal-b: 255;
  isolation: isolate;
}

.product-cinema .hexreader-visual {
  --portal-r: 105;
  --portal-g: 219;
  --portal-b: 255;
}

.product-cinema .weboardit-visual {
  --portal-r: 138;
  --portal-g: 119;
  --portal-b: 255;
}

.product-cinema .scifigure-visual {
  --portal-r: 185;
  --portal-g: 244;
  --portal-b: 132;
}

.discovery-portal {
  position: absolute;
  z-index: 32;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  opacity: clamp(0, calc(var(--portal-activation) * 1.08), 1);
  pointer-events: none;
  mix-blend-mode: screen;
}

.discovery-portal::before {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(.08 + var(--portal-activation) * .34));
  border-radius: inherit;
  box-shadow:
    inset 0 0 2.8rem rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .065)),
    inset 0 0 0 1px rgba(255, 255, 255, calc(var(--portal-activation) * .035));
  content: "";
}

.discovery-portal::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--portal-x);
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(
    transparent 5%,
    rgba(var(--portal-r), var(--portal-g), var(--portal-b), .1) 26%,
    rgba(245, 252, 255, calc(.12 + var(--portal-activation) * .34)) 50%,
    rgba(var(--portal-r), var(--portal-g), var(--portal-b), .08) 75%,
    transparent 95%
  );
  box-shadow: 0 0 1.2rem rgba(var(--portal-r), var(--portal-g), var(--portal-b), .26);
  content: "";
}

.portal-scan {
  position: absolute;
  top: -22%;
  bottom: -22%;
  left: var(--portal-x);
  width: clamp(5.5rem, 18%, 15rem);
  transform: translateX(-50%) skewX(-8deg);
  background: radial-gradient(
    ellipse at center,
    rgba(244, 248, 255, calc(var(--portal-activation) * .16)),
    rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .1)) 28%,
    transparent 70%
  );
  filter: blur(7px);
}

.portal-wave {
  position: absolute;
  top: var(--portal-y);
  left: var(--portal-x);
  width: clamp(10rem, 28vw, 28rem);
  height: clamp(4rem, 11vw, 10rem);
  transform: translate(-50%, -50%) skewX(-13deg) scaleX(calc(.72 + var(--portal-activation) * .28));
  background:
    linear-gradient(90deg, transparent, rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .08)) 40%, rgba(245, 250, 255, calc(var(--portal-activation) * .11)) 50%, rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .055)) 61%, transparent),
    repeating-linear-gradient(180deg, transparent 0 13px, rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .045)) 14px, transparent 15px);
  filter: blur(.2px);
  mask-image: linear-gradient(90deg, transparent, #000 17%, #000 83%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 17%, #000 83%, transparent);
}

.portal-wave::before,
.portal-wave::after {
  position: absolute;
  content: "";
}

.portal-wave::before {
  top: 19%;
  right: 0;
  left: 0;
  height: 1px;
  transform: translateY(calc(var(--portal-progress) * 4.2rem));
  background: linear-gradient(90deg, transparent, rgba(241, 246, 255, calc(var(--portal-activation) * .34)), rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .18)), transparent);
  box-shadow: 0 0 .9rem rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .24));
}

.portal-wave::after {
  top: 50%;
  right: 4%;
  left: 4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .2)), transparent);
}

.portal-wave > i {
  position: absolute;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: linear-gradient(transparent, rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .17)), transparent);
}

.portal-wave > i:first-child { left: 28%; }
.portal-wave > i:last-child { right: 28%; }

.portal-corners {
  position: absolute;
  inset: clamp(.75rem, 1.5vw, 1.6rem);
}

.portal-corners > i {
  position: absolute;
  width: clamp(1rem, 2vw, 2.2rem);
  height: clamp(1rem, 2vw, 2.2rem);
  border-color: rgba(var(--portal-r), var(--portal-g), var(--portal-b), calc(var(--portal-activation) * .54));
  border-style: solid;
}

.portal-corners > i:nth-child(1) { top: 0; left: 0; border-width: 1px 0 0 1px; }
.portal-corners > i:nth-child(2) { top: 0; right: 0; border-width: 1px 1px 0 0; }
.portal-corners > i:nth-child(3) { right: 0; bottom: 0; border-width: 0 1px 1px 0; }
.portal-corners > i:nth-child(4) { bottom: 0; left: 0; border-width: 0 0 1px 1px; }

.portal-points > i {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgb(var(--portal-r), var(--portal-g), var(--portal-b));
  box-shadow: 0 0 .8rem rgba(var(--portal-r), var(--portal-g), var(--portal-b), .9);
}

.portal-points > i:nth-child(1) { top: 13%; left: calc(var(--portal-x) + 9%); }
.portal-points > i:nth-child(2) { top: calc(var(--portal-y) + 21%); left: calc(var(--portal-x) - 12%); opacity: .65; }
.portal-points > i:nth-child(3) { right: 11%; bottom: 12%; opacity: .48; }

.product-chapter-card .product-meta {
  position: relative;
  overflow: visible;
}

.product-chapter-card .product-meta::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  transform: scaleX(var(--portal-activation, 0));
  transform-origin: left;
  background: linear-gradient(90deg, rgba(166, 140, 255, .08), rgba(181, 166, 255, .8), rgba(140, 247, 210, .45), transparent);
  box-shadow: 0 0 1rem rgba(166, 140, 255, calc(var(--portal-activation, 0) * .28));
  content: "";
}

.product-chapter-card .product-symbol,
.product-chapter-card .product-copy h3 {
  transition: filter .7s ease, text-shadow .7s ease, border-color .7s ease;
}

.product-chapter-card.is-signal-active .product-symbol {
  filter: brightness(1.13) drop-shadow(0 0 .85rem rgba(166, 140, 255, .32));
}

.product-chapter-card.is-signal-active .product-copy h3 {
  text-shadow: 0 0 2.6rem rgba(152, 129, 247, .12);
}

.principle-item {
  --principle-signal: 0;
  position: relative;
}

.principle-item::before {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  transform: scaleX(var(--principle-signal));
  transform-origin: left;
  background: linear-gradient(90deg, #9b83f5, rgba(140, 247, 210, .52) 55%, transparent);
  box-shadow: 0 0 1rem rgba(153, 128, 239, calc(var(--principle-signal) * .35));
  content: "";
}

.principle-item::after {
  position: absolute;
  bottom: -3px;
  left: calc(var(--principle-signal) * 100%);
  width: 5px;
  height: 5px;
  transform: translateX(-50%) scale(var(--principle-signal));
  border-radius: 50%;
  background: #dffff5;
  box-shadow: 0 0 .75rem var(--mint);
  content: "";
}

.principle-item h3 {
  transition: color .55s ease, text-shadow .55s ease;
}

.principle-item.is-signal-active h3 {
  color: #f5f4ff;
  text-shadow: 0 0 2rem rgba(166, 140, 255, .16);
}

.closing {
  --convergence: 0;
  --convergence-spread: 16rem;
  --convergence-opacity: 0;
}

.closing-brand {
  isolation: isolate;
}

.closing-brand img {
  position: relative;
  z-index: 3;
  transform: scale(calc(.88 + var(--convergence) * .12));
  opacity: calc(.28 + var(--convergence) * .72);
  filter:
    drop-shadow(0 0 calc(.35rem + var(--convergence) * .45rem) rgba(255, 255, 255, .32))
    drop-shadow(0 0 calc(1rem + var(--convergence) * 1.25rem) rgba(148, 123, 255, .48));
  animation: none;
  will-change: transform, opacity;
}

.discovery-convergence {
  position: absolute;
  z-index: 1;
  top: 41%;
  left: 50%;
  width: clamp(16rem, 31vw, 30rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%) scale(calc(.7 + var(--convergence) * .3));
  border: 1px solid rgba(166, 140, 255, calc(var(--convergence) * .13));
  border-radius: 50%;
  opacity: var(--convergence-opacity);
  pointer-events: none;
}

.discovery-convergence::before,
.discovery-convergence::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.discovery-convergence::before {
  inset: 13%;
  border-top: 1px solid rgba(203, 193, 255, .3);
  border-right: 1px solid transparent;
  border-bottom: 1px solid rgba(140, 247, 210, .2);
  border-left: 1px solid transparent;
  animation: convergence-spin 18s linear infinite;
}

.discovery-convergence::after {
  inset: 30%;
  background: radial-gradient(circle, rgba(187, 172, 255, .18), rgba(115, 92, 222, .06) 38%, transparent 68%);
  filter: blur(.5rem);
}

.discovery-convergence > span,
.discovery-convergence > b {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 128%;
  height: 1px;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, transparent, rgba(182, 167, 255, .25), transparent);
}

.discovery-convergence > b { transform: translate(-50%, -50%) rotate(90deg); }

.discovery-convergence > i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  box-shadow: 0 0 1rem currentColor;
}

.discovery-convergence > i:nth-of-type(1) {
  color: #ad99ff;
  background: currentColor;
  transform: translate(calc(-50% - var(--convergence-spread)), -50%);
}

.discovery-convergence > i:nth-of-type(2) {
  color: #73dcff;
  background: currentColor;
  transform: translate(-50%, calc(-50% - var(--convergence-spread)));
}

.discovery-convergence > i:nth-of-type(3) {
  color: #8cf7d2;
  background: currentColor;
  transform: translate(calc(-50% + var(--convergence-spread)), -50%);
}

.discovery-convergence > i:nth-of-type(4) {
  color: #d2ff66;
  background: currentColor;
  transform: translate(-50%, calc(-50% + var(--convergence-spread)));
}

@keyframes convergence-spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .discovery-field { opacity: 0; }
  :root[data-discovery="ready"] .discovery-field { opacity: .72; }
  .discovery-origin { top: 30%; right: 8%; width: 5.5rem; opacity: calc(.14 + var(--origin-energy) * .5); }
  .portal-wave { width: clamp(10rem, 42vw, 18rem); height: clamp(4rem, 18vw, 7rem); }
  .portal-corners { inset: .8rem; }
  .closing { --convergence-spread: 10rem; }
}

@media (max-width: 640px) {
  .discovery-origin { top: 25%; right: 6%; width: 4.5rem; }
  .discovery-origin > i { width: 126%; }
  .discovery-portal { opacity: clamp(0, calc(var(--portal-activation) * .88), .82); }
  .portal-scan { width: 5.5rem; filter: blur(6px); }
  .portal-wave { width: 10rem; height: 4.5rem; }
  .portal-points > i:nth-child(2),
  .portal-points > i:nth-child(3) { display: none; }
  .closing { --convergence-spread: 7rem; }
  .discovery-convergence { width: 19rem; }
}

@media (prefers-reduced-motion: reduce) {
  .discovery-field,
  .discovery-origin,
  .discovery-portal,
  .discovery-convergence { display: none; }

  .closing-brand img {
    transform: none;
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(255,255,255,.3)) drop-shadow(0 0 28px rgba(148,123,255,.42));
  }
}

/* Final observatory layout: product chapters stay in normal document flow.
   No sticky runway and no scroll-scrubbed light layer. */
@media (min-width: 901px) {
  .product-cinema-stage {
    padding: 2rem 0;
  }

  .product-chapter,
  .product-chapter.flagship-scene {
    min-height: 0;
    padding: clamp(3rem, 6svh, 6rem) 0;
    overflow: clip;
    place-items: center;
  }

  .product-cinema .product-chapter-card {
    position: relative;
    top: auto;
    grid-template-columns: minmax(20rem, .58fr) minmax(0, 1.55fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 5.5rem);
    width: min(calc(100vw - var(--page-gutter) * 2), 112rem);
    min-height: min(76svh, 52rem);
    padding: 0;
  }

  .product-cinema .product-copy,
  .product-cinema .future-product-card .product-copy {
    min-height: min(76svh, 48rem);
    padding: clamp(2rem, 5vh, 4rem) 0;
    opacity: 1;
    transform: none;
  }

  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual,
  .product-cinema .cinematic-product-visual,
  .product-cinema .product-card:hover .cinematic-product-visual,
  .product-cinema .weboardit-visual,
  .product-cinema .weboardit-card:hover .weboardit-visual {
    height: min(76svh, 51rem);
    min-height: 35rem;
    aspect-ratio: auto;
    opacity: 1;
    transform: none !important;
    border-color: rgba(var(--world-r), var(--world-g), var(--world-b), .28);
    box-shadow:
      -2rem 3rem 8rem rgba(0,0,0,.58),
      0 0 0 1px rgba(var(--world-r),var(--world-g),var(--world-b),.035),
      0 0 3rem rgba(var(--world-r),var(--world-g),var(--world-b),.055);
  }

  .product-cinema .weboardit-visual,
  .product-cinema .weboardit-card:hover .weboardit-visual {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .product-cinema .kscholar-visual,
  .product-cinema .kscholar-interface-stage {
    height: min(76svh, 51rem);
  }

  .product-cinema .kscholar-interface-stage {
    min-height: 0;
    height: calc(100% - 3rem);
  }

  .product-chapter .world-interface {
    transform: none;
  }

  .product-chapter .world-edge { transform: scaleX(1); }
}

@media (min-width: 1101px) {
  .product-cinema .hexreader-card,
  .product-cinema .scifigure-card {
    grid-template-columns: minmax(0, 1.55fr) minmax(20rem, .58fr);
    padding-right: max(var(--page-gutter), 7rem);
    padding-left: clamp(4.2rem, 7vw, 9rem);
  }

  .product-cinema .hexreader-card .product-copy,
  .product-cinema .scifigure-card .product-copy {
    grid-column: 2;
    grid-row: 1;
    transform: none;
  }

  .product-cinema .hexreader-card .product-visual,
  .product-cinema .scifigure-card .product-visual,
  .product-cinema .hexreader-card:hover .product-visual,
  .product-cinema .scifigure-card:hover .product-visual {
    grid-column: 1;
    grid-row: 1;
    transform: none !important;
    box-shadow:
      2rem 3rem 8rem rgba(0,0,0,.58),
      0 0 0 1px rgba(var(--world-r),var(--world-g),var(--world-b),.035),
      0 0 3rem rgba(var(--world-r),var(--world-g),var(--world-b),.055);
  }
}

@media (prefers-reduced-motion: reduce) and (min-width: 901px) {
  .product-chapter,
  .product-chapter.flagship-scene {
    min-height: auto;
    padding: 3rem 0;
  }

  .product-cinema .product-chapter-card {
    position: relative;
    min-height: 48rem;
  }
}

/* The finale ends with its buttons instead of reserving a second scroll
   viewport beneath them. Typography and artwork keep their existing size. */
.closing {
  z-index: 6;
  isolation: isolate;
  min-height: 0;
  padding-top: clamp(5rem, 7vw, 7rem);
  padding-bottom: clamp(1.5rem, 2.5vw, 2.5rem);
  background:
    radial-gradient(ellipse at 50% 40%, rgba(126, 91, 237, .12), transparent 34%),
    linear-gradient(180deg, rgba(3, 4, 6, .08), rgba(3, 4, 6, .3));
}

.closing-links {
  margin-bottom: 0;
}

.closing .closing-links {
  opacity: 1;
  transform: none;
  filter: none;
}

.site-footer {
  padding-top: clamp(2.5rem, 4vw, 4rem);
}

/* Performance pass: the continuation film is the atmosphere. Avoid stacking
   full-screen canvas, perspective-grid, noise and filtered-video composites. */
.discovery-field,
.observatory-atmosphere,
.ambient,
.noise {
  display: none !important;
}

.opening-scroll-video,
.opening-scroll-canvas {
  will-change: opacity;
}

.opening-scroll-video-primary,
.opening-scroll-canvas-primary {
  filter: none;
  transform: scale(1.08);
}

.opening-scroll-video-secondary,
.opening-scroll-canvas-secondary {
  filter: none;
  transform: scale(1.055);
}

.opening-film.is-past .opening-stars::before,
.opening-film.is-past .opening-stars::after {
  animation-play-state: paused;
}

.principle-item {
  backdrop-filter: none;
}

@media (min-width: 901px) {
  .world-rail.is-left {
    margin-right: auto;
    margin-left: 0;
  }

  .world-rail.is-left::before {
    right: auto;
    left: clamp(.9rem, 1.5vw, 1.8rem);
  }

  .world-rail.is-left a {
    right: auto;
    left: clamp(1.15rem, 1.85vw, 2.2rem);
  }

  .world-rail.is-left a.is-active {
    transform: translateY(calc((var(--rail-index) - 1.5) * 3rem));
  }
}

@media (max-width: 640px) {
  .closing {
    min-height: 0;
    padding-top: 4.5rem;
    padding-bottom: 1.25rem;
  }
}

/* Continuation-film presentation
   The second film remains the physical environment. Content keeps enough
   local contrast to read, but no section lays an opaque wall over the film. */
.product-cinema,
.product-cinema-stage,
.product-chapter,
.product-chapter::after,
.principles,
.site-footer {
  background: transparent;
}

.product-chapter::after {
  background:
    linear-gradient(125deg, rgba(var(--world-r), var(--world-g), var(--world-b), .035), transparent 30%, transparent 74%, rgba(var(--world-r), var(--world-g), var(--world-b), .018)),
    radial-gradient(ellipse at 72% 49%, rgba(var(--world-r), var(--world-g), var(--world-b), .055), transparent 34%);
}

@media (min-width: 1101px) {
  .product-chapter.hexreader-scene::after,
  .product-chapter.scifigure-scene::after {
    background:
      linear-gradient(235deg, rgba(var(--world-r), var(--world-g), var(--world-b), .035), transparent 30%, transparent 74%, rgba(var(--world-r), var(--world-g), var(--world-b), .018)),
      radial-gradient(ellipse at 28% 49%, rgba(var(--world-r), var(--world-g), var(--world-b), .055), transparent 34%);
  }
}

.opening-film::before {
  opacity: clamp(.025, var(--opening-shade), .38);
}

.opening-film::after {
  background:
    radial-gradient(circle at 74% 48%, rgba(75, 57, 150, .055), transparent 31%),
    linear-gradient(90deg, rgba(1, 2, 4, .2), rgba(1, 2, 4, .075) 48%, transparent 76%),
    linear-gradient(180deg, rgba(1, 2, 4, .06), transparent 48%, rgba(1, 2, 4, .17));
}

.opening-scroll-video-secondary,
.opening-scroll-canvas-secondary {
  /* The lift is baked into the scrub-optimized film. Keeping this compositor
     layer filter-free prevents a full-screen repaint on every scroll frame. */
  filter: none;
}

.principle-item {
  border-color: rgba(226, 229, 240, .14);
  background:
    linear-gradient(115deg, rgba(166, 140, 255, .065), transparent 48%),
    rgba(3, 5, 9, .18);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, .025),
    0 1.25rem 4rem rgba(0, 0, 0, .08);
}

.closing {
  background:
    radial-gradient(ellipse at 50% 40%, rgba(126, 91, 237, .08), transparent 34%),
    linear-gradient(180deg, transparent, rgba(3, 4, 6, .12));
}

/* Original product-image light: the real pointer remains the only cursor;
   scroll moves a broad, feathered illumination field through each image. */
.product-cinema .product-visual {
  --sweep-x: -125%;
}

/* This reproduces the committed WeBoardit wash: a soft violet/cyan ellipse,
   with no hard edge, center stripe, circle, ring, or focal target. */
.product-scroll-halo {
  position: absolute;
  z-index: 18;
  top: -22%;
  bottom: -22%;
  left: 34%;
  width: 32%;
  contain: layout paint style;
  transform: translate3d(var(--sweep-x), 0, 0) skewX(-9deg);
  background: radial-gradient(
    ellipse at 50% 48%,
    rgba(188, 213, 255, .2) 0%,
    rgba(145, 117, 255, .12) 24%,
    rgba(87, 211, 211, .055) 43%,
    transparent 70%
  );
  filter: blur(9px);
  mix-blend-mode: screen;
  opacity: .82;
  pointer-events: none;
  will-change: transform;
  transition: transform .2s cubic-bezier(.22, 1, .36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .product-scroll-halo { display: none; }
}

/* Lower-film composition
   A single side vignette creates quiet reading lanes without flattening the
   center of the continuation film. The compact footer occupies those lanes;
   the centered GrounLab mark remains the true final image. */
.opening-film.is-continuation::after {
  background:
    linear-gradient(
      90deg,
      rgba(1, 2, 4, .76) 0%,
      rgba(1, 2, 4, .5) 12%,
      rgba(1, 2, 4, .17) 27%,
      rgba(1, 2, 4, .025) 42%,
      rgba(1, 2, 4, .025) 58%,
      rgba(1, 2, 4, .17) 73%,
      rgba(1, 2, 4, .5) 88%,
      rgba(1, 2, 4, .76) 100%
    ),
    linear-gradient(180deg, rgba(1, 2, 4, .045), transparent 43%, rgba(1, 2, 4, .12)),
    radial-gradient(circle at 50% 47%, rgba(99, 78, 183, .045), transparent 34%);
}

/* A local sparse star sheet moves only while its footer/finale section is near
   the viewport. This is one compositor translation, with no canvas or timers. */
.local-starfield {
  position: absolute;
  z-index: 1;
  inset: 0;
  contain: strict;
  overflow: hidden;
  opacity: .6;
  mix-blend-mode: screen;
  pointer-events: none;
}

.local-starfield::before {
  position: absolute;
  inset: -18%;
  background-image:
    radial-gradient(circle at 9% 18%, rgba(245, 249, 255, .82) 0 .7px, transparent 1.35px),
    radial-gradient(circle at 66% 31%, rgba(181, 164, 255, .76) 0 .65px, transparent 1.3px),
    radial-gradient(circle at 33% 81%, rgba(145, 224, 255, .64) 0 .6px, transparent 1.2px),
    radial-gradient(circle at 91% 68%, rgba(155, 246, 218, .58) 0 .65px, transparent 1.25px),
    radial-gradient(circle at 47% 12%, rgba(250, 252, 255, .58) 0 .55px, transparent 1.05px),
    radial-gradient(circle at 18% 59%, rgba(187, 175, 255, .52) 0 .5px, transparent 1px),
    radial-gradient(circle at 78% 88%, rgba(134, 223, 240, .48) 0 .55px, transparent 1.05px);
  background-repeat: repeat;
  background-size: 19rem 17rem, 29rem 23rem, 23rem 31rem, 37rem 27rem, 17rem 25rem, 31rem 19rem, 27rem 33rem;
  content: "";
  animation: local-stars-drift 58s linear infinite;
  animation-play-state: paused;
  will-change: transform;
}

.motion-scope.is-motion-active > .local-starfield::before {
  animation-play-state: running;
}

@keyframes local-stars-drift {
  from { transform: translate3d(-2.5%, -2%, 0); }
  to { transform: translate3d(3.5%, 5%, 0); }
}

.site-footer {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) minmax(26rem, 1.15fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 10rem);
  min-height: clamp(19rem, 31svh, 27rem);
  padding: clamp(2.25rem, 4.5vw, 4.5rem) max(var(--page-gutter), 4.5vw);
  border-top: 1px solid rgba(225, 228, 240, .07);
  border-bottom: 1px solid rgba(225, 228, 240, .055);
  isolation: isolate;
}

.site-footer::before,
.site-footer::after {
  position: absolute;
  z-index: -1;
  top: 9%;
  bottom: 9%;
  width: min(31rem, 40vw);
  pointer-events: none;
  content: "";
}

.site-footer::before {
  left: 0;
  background: radial-gradient(ellipse at left, rgba(1, 2, 4, .64), transparent 69%);
}

.site-footer::after {
  right: 0;
  background: radial-gradient(ellipse at right, rgba(1, 2, 4, .68), transparent 69%);
}

.footer-brand {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: .7rem;
  padding: 0;
}

.footer-brand .brand {
  padding: .55rem 0;
}

.footer-brand p {
  max-width: 24rem;
  margin: 0;
  color: rgba(184, 190, 202, .48);
}

.footer-nav {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(9rem, .7fr) minmax(16rem, 1.3fr);
  gap: clamp(2.25rem, 5vw, 5rem);
  width: 100%;
  margin: 0;
  padding: clamp(1.25rem, 2vw, 1.8rem) clamp(1.25rem, 2.4vw, 2.25rem);
  border: 1px solid rgba(218, 223, 236, .075);
  background: linear-gradient(115deg, rgba(7, 9, 14, .42), rgba(2, 3, 6, .2));
  clip-path: polygon(0 0, 96% 0, 100% 18%, 100% 100%, 4% 100%, 0 82%);
}

.footer-nav div {
  gap: .56rem;
}

.footer-nav div > span {
  margin-bottom: .25rem;
  color: rgba(180, 186, 201, .5);
}

.footer-nav a {
  color: rgba(225, 228, 235, .72);
  font-size: clamp(.69rem, .82vw, .82rem);
}

.footer-contact address {
  margin: 0;
  color: rgba(187, 192, 202, .56);
  font-size: clamp(.64rem, .72vw, .73rem);
  line-height: 1.5;
}

.footer-base {
  position: absolute;
  right: max(var(--page-gutter), 4.5vw);
  bottom: .85rem;
  padding: 0;
  border: 0;
  color: rgba(166, 172, 185, .42);
  z-index: 2;
}

.closing {
  /* Preserve the final centered composition and keep it after the information
     terminal with no duplicate footer or dead scroll chamber beneath it. */
  min-height: min(58rem, 100svh);
}

@media (max-width: 900px) {
  .opening-film.is-continuation::after {
    background:
      linear-gradient(90deg, rgba(1, 2, 4, .58), rgba(1, 2, 4, .12) 22%, rgba(1, 2, 4, .04) 50%, rgba(1, 2, 4, .12) 78%, rgba(1, 2, 4, .58)),
      linear-gradient(180deg, rgba(1, 2, 4, .08), transparent 38%, rgba(1, 2, 4, .16));
  }

  .site-footer {
    grid-template-columns: minmax(11rem, .75fr) minmax(23rem, 1.25fr);
    gap: 2rem;
    min-height: 21rem;
    padding: 2.5rem var(--page-gutter);
  }

  .footer-nav {
    grid-template-columns: minmax(8rem, .65fr) minmax(14rem, 1.35fr);
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .site-footer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    min-height: 0;
    padding: 2.25rem var(--page-gutter) 3rem;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    gap: 1rem;
    padding: 0;
  }

  .footer-brand p {
    max-width: 10rem;
    font-size: .42rem;
    line-height: 1.45;
    text-align: right;
  }

  .footer-nav {
    grid-template-columns: .78fr 1.22fr;
    gap: 1.25rem;
    margin: 0;
    padding: 1.25rem 1rem;
  }

  .footer-contact { grid-column: auto; }
  .footer-nav a { font-size: .66rem; }
  .footer-contact address { font-size: .59rem; }
  .footer-base { right: var(--page-gutter); bottom: .65rem; }
  .closing { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .opening-stars::before,
  .opening-stars::after,
  .local-starfield::before {
    animation: none !important;
  }
}

/* Finale integration: information is a compact control band inside the main
   image, never a standalone footer viewport. */
.opening-film.is-continuation::after {
  background:
    linear-gradient(
      90deg,
      rgba(1, 2, 4, .9) 0%,
      rgba(1, 2, 4, .68) 13%,
      rgba(1, 2, 4, .28) 28%,
      rgba(1, 2, 4, .035) 43%,
      rgba(1, 2, 4, .035) 57%,
      rgba(1, 2, 4, .28) 72%,
      rgba(1, 2, 4, .68) 87%,
      rgba(1, 2, 4, .9) 100%
    ),
    linear-gradient(180deg, rgba(1, 2, 4, .045), transparent 43%, rgba(1, 2, 4, .12)),
    radial-gradient(circle at 50% 47%, rgba(99, 78, 183, .045), transparent 34%);
}

.closing {
  min-height: min(58rem, 100svh);
  padding-bottom: clamp(.8rem, 1.3vw, 1.2rem);
}

.closing > .site-footer {
  position: absolute;
  z-index: 8;
  display: grid;
  right: max(var(--page-gutter), 3vw);
  bottom: clamp(.9rem, 1.6vw, 1.5rem);
  left: max(var(--page-gutter), 3vw);
  grid-template-columns: minmax(13rem, 17rem) minmax(15rem, 19rem);
  align-items: end;
  justify-content: space-between;
  gap: clamp(2rem, 5vw, 6rem);
  width: auto;
  min-height: 0;
  margin: 0;
  padding: 0 0 .7rem;
  border-top: 0;
  border-bottom: 0;
  background: transparent;
  isolation: isolate;
}

.closing > .site-footer::before,
.closing > .site-footer::after {
  top: 0;
  bottom: 0;
  width: min(24rem, 28vw);
}

.closing .footer-dock {
  display: grid;
  gap: .65rem;
  min-width: 0;
  padding: .78rem .9rem;
  border-top: 1px solid rgba(225, 228, 240, .12);
  background: linear-gradient(115deg, rgba(2, 3, 6, .72), rgba(2, 3, 6, .12));
  text-align: left;
}

.closing .footer-dock-right {
  justify-items: end;
  background: linear-gradient(245deg, rgba(2, 3, 6, .72), rgba(2, 3, 6, .12));
  text-align: right;
}

.closing .footer-brand {
  gap: .25rem;
  padding: 0;
}

.closing .footer-brand .brand { padding: .2rem 0; }
.closing .footer-brand p { max-width: 12rem; font-size: .4rem; line-height: 1.35; }

.closing .footer-primary-nav,
.closing .footer-contact {
  display: grid;
  gap: .18rem;
  width: 100%;
  margin: 0;
}

.closing .footer-primary-nav > span,
.closing .footer-contact > span { margin-bottom: .08rem; color: rgba(180, 186, 201, .52); font: .36rem/1 var(--font-mono); letter-spacing: .16em; }
.closing .footer-primary-nav a,
.closing .footer-contact a { color: rgba(232, 235, 242, .8); font-size: clamp(.47rem, .52vw, .57rem); }
.closing .footer-contact address { color: rgba(198, 203, 214, .64); font-size: clamp(.44rem, .5vw, .54rem); line-height: 1.3; }

.closing .footer-base {
  right: 50%;
  bottom: 0;
  transform: translateX(50%);
  font-size: .39rem;
}

/* Seventeen tiny compositor-only trails continue moving over the second film even
   when scrolling stops. This avoids a canvas loop or another full-screen
   filtered texture. */
.opening-film.is-continuation .opening-starfall-layer {
  opacity: 1;
  transform: none;
  filter: none;
  transition: none;
}

.opening-film.is-continuation .opening-starfall::before { opacity: .025; }

.opening-film.is-continuation .opening-starfall i {
  width: 1px;
  height: clamp(.48rem, var(--star-length), 1.12rem);
  opacity: 0;
  animation: continuation-star-fall 17s linear infinite;
  transition: none;
}

.opening-film.is-continuation .opening-starfall-layer-far i { animation-duration: 23s; }
.opening-film.is-continuation .opening-starfall-layer-mid i { animation-duration: 18s; }
.opening-film.is-continuation .opening-starfall-layer-near i { animation-duration: 14s; }
.opening-film.is-continuation .opening-starfall i:nth-child(2) { animation-delay: -7s; }
.opening-film.is-continuation .opening-starfall i:nth-child(3) { animation-delay: -13s; }
.opening-film.is-continuation .opening-starfall i:nth-child(4) { animation-delay: -4s; }
.opening-film.is-continuation .opening-starfall i:nth-child(5) { animation-delay: -17s; }
.opening-film.is-continuation .opening-starfall i:nth-child(6) { animation-delay: -10s; }
.opening-film.is-continuation .opening-starfall i:nth-child(7) { animation-delay: -2s; }

@keyframes continuation-star-fall {
  0% { opacity: 0; transform: translate3d(0, -24vh, 0) rotate(-10deg) scaleY(.62); }
  9% { opacity: .3; }
  42% { opacity: .14; }
  58%, 100% { opacity: 0; transform: translate3d(-2.8vw, 112vh, 0) rotate(-10deg) scaleY(.8); }
}

@media (max-width: 1050px) {
  .closing > .site-footer {
    grid-template-columns: minmax(11rem, 15rem) minmax(13rem, 17rem);
  }
}

@media (max-width: 640px) {
  .opening-film.is-continuation::after {
    background:
      linear-gradient(90deg, rgba(1, 2, 4, .73), rgba(1, 2, 4, .19) 24%, rgba(1, 2, 4, .055) 50%, rgba(1, 2, 4, .19) 76%, rgba(1, 2, 4, .73)),
      linear-gradient(180deg, rgba(1, 2, 4, .08), transparent 38%, rgba(1, 2, 4, .17));
  }

  .closing > .site-footer {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    grid-template-columns: 1fr;
    gap: .55rem;
    width: 100%;
    margin-top: .8rem;
    padding: .65rem 0 .9rem;
  }

  .closing .footer-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    gap: .75rem;
  }

  .closing .footer-brand p { max-width: 9rem; text-align: right; }
  .closing .footer-dock { padding: .62rem .7rem; }
  .closing .footer-dock-right { justify-items: start; text-align: left; }
  .closing .footer-primary-nav { grid-template-columns: auto repeat(3, 1fr); align-items: center; }
  .closing .footer-primary-nav > span { margin: 0; }
  .closing .footer-primary-nav a,
  .closing .footer-contact a { font-size: .5rem; }
  .closing .footer-contact address { font-size: .44rem; }
  .closing .footer-contact { grid-template-columns: auto 1fr; gap: .18rem .6rem; }
  .closing .footer-contact address { grid-row: 2 / 4; }
  .closing .footer-base { right: 0; bottom: -.15rem; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .opening-film.is-continuation .opening-starfall i { animation: none !important; }
}

/* Seamless opening composition
   The ticker belongs to the sticky hero viewport, and the hero's readability
   veil feathers out before the thesis so the fixed film never changes color at
   a section edge. The primary film uses safe overscan to crop its baked star. */
.opening-scroll-video-primary,
.opening-scroll-canvas-primary {
  transform:
    translate3d(
      calc(var(--opening-progress) * -3.2vw),
      calc(var(--opening-progress) * -1.8vh),
      0
    )
    scale(calc(1.2 + var(--opening-progress) * .08));
  transform-origin: left center;
  will-change: transform, opacity;
}

.opening-scroll-video-secondary,
.opening-scroll-canvas-secondary {
  transform:
    translate3d(
      calc(var(--secondary-progress) * -2.6vw),
      calc(var(--secondary-progress) * -1.6vh),
      0
    )
    scale(calc(1.055 + var(--secondary-progress) * .045));
  will-change: transform, opacity;
}

.opening-film:not(.is-video-ready) {
  background-position: left center;
  background-size: auto 126%;
}

.hero-stage::before {
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 76%, rgba(0, 0, 0, .78) 86%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 76%, rgba(0, 0, 0, .78) 86%, transparent 100%);
}

.hero-stage::after {
  content: none;
}

.hero .signal-strip {
  position: absolute;
  z-index: 7;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3.35rem;
  overflow: hidden;
  border-top: 1px solid rgba(225, 228, 240, .085);
  border-bottom: 0;
  background: linear-gradient(180deg, rgba(2, 3, 6, .01), rgba(2, 3, 6, .055));
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3.5%, #000 96.5%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3.5%, #000 96.5%, transparent);
}

.hero .signal-track {
  height: 3.35rem;
}

.hero .signal-track span {
  color: rgba(210, 214, 225, .5);
}

.hero .signal-track span:nth-of-type(4n + 1),
.hero .signal-track span:nth-of-type(4n + 3) {
  color: rgba(239, 240, 246, .72);
}

.hero-caption {
  bottom: 4.35rem;
}

@media (max-width: 640px) {
  .opening-scroll-video-primary,
  .opening-scroll-canvas-primary {
    transform:
      translate3d(
        calc(2vw - var(--opening-progress) * 2.4vw),
        calc(var(--opening-progress) * -1.1vh),
        0
      )
      scale(calc(1.18 + var(--opening-progress) * .045));
    transform-origin: center;
  }

  .opening-scroll-video-secondary,
  .opening-scroll-canvas-secondary {
    transform:
      translate3d(
        calc(var(--secondary-progress) * -1.7vw),
        calc(var(--secondary-progress) * -1vh),
        0
      )
      scale(calc(1.035 + var(--secondary-progress) * .035));
  }

  .hero .signal-strip,
  .hero .signal-track {
    height: 3rem;
  }

  .hero-caption {
    bottom: 3.8rem;
  }
}

/* Product-frame parity
   Every product uses the same outer geometry. Reversed stories only exchange
   grid columns; they no longer lose canvas width to a second set of gutters. */
@media (min-width: 901px) {
  .product-cinema .hexreader-card,
  .product-cinema .scifigure-card {
    grid-template-columns: minmax(0, 1.55fr) minmax(20rem, .58fr);
    padding: 0;
  }

  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual,
  .product-cinema .cinematic-product-visual,
  .product-cinema .product-card:hover .cinematic-product-visual,
  .product-cinema .weboardit-visual,
  .product-cinema .weboardit-card:hover .weboardit-visual,
  .product-cinema .kscholar-visual {
    align-self: center;
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .product-cinema .kscholar-interface-stage {
    height: calc(100% - 3rem);
    min-height: 0;
  }
}

@media (max-width: 900px) {
  .product-cinema .product-chapter-card {
    grid-template-rows: auto auto;
    min-height: 0;
  }

  .product-cinema .product-visual,
  .product-cinema .product-card:hover .product-visual,
  .product-cinema .cinematic-product-visual,
  .product-cinema .product-card:hover .cinematic-product-visual,
  .product-cinema .weboardit-visual,
  .product-cinema .weboardit-card:hover .weboardit-visual,
  .product-cinema .weboardit-composite,
  .product-cinema .weboardit-card:hover .weboardit-composite,
  .product-cinema .kscholar-visual {
    align-self: center;
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .product-cinema .kscholar-interface-stage {
    height: calc(100% - 2.2rem);
    min-height: 0;
  }
}

/* The final film is one continuous field: remove the section-edge rule and
   allow the convergence artwork to breathe beyond its former crop boundary. */
.closing {
  overflow-x: clip;
  overflow-y: visible;
  border-top: 0;
}

.closing::before {
  content: none;
}

.closing-beam {
  display: none;
}

/* Use the supplied square mark while retaining every existing component's
   footprint, alignment and responsive location. */
.loader-mark,
.brand-mark,
.closing-brand {
  display: grid;
  place-items: center;
}

.loader-mark,
.brand-mark {
  aspect-ratio: auto;
}

.loader-mark { height: 3.817rem; }
.brand-mark { height: 1.772rem; }
.site-header .brand-mark,
.footer-brand .brand-mark { height: 1.772rem; }

.loader-mark img,
.brand-mark img {
  width: 90.91%;
  height: auto;
  max-width: 100%;
}

.closing-brand {
  aspect-ratio: 851.798299 / 626.982791;
  height: clamp(8.1rem, 13.25vw, 12.52rem);
}

.closing-brand img {
  width: 73.59%;
  height: auto;
  max-width: 100%;
}

/* Chapter watermarks follow the copy column: odd chapters read from the left,
   even chapters read from the right. At compact/zoomed layouts they disappear
   instead of escaping their chapter or competing with the stacked content. */
@media (min-width: 901px) {
  .product-cinema .kscholar-card::after,
  .product-cinema .weboardit-card::after {
    right: auto;
    left: 2.5vw;
  }

  .product-cinema .hexreader-card::after,
  .product-cinema .scifigure-card::after {
    right: 2.5vw;
    left: auto;
  }
}

@media (max-width: 900px) {
  .product-cinema .product-chapter-card::after {
    display: none;
  }
}

/* HexReader's source artwork already contains a bright stationary ceiling
   lamp, so the shared wash needs more chromatic separation to read in motion.
   It keeps the same scroll position variable and soft-edged light behavior. */
.product-cinema .hexreader-visual .product-scroll-halo {
  top: -26%;
  bottom: -26%;
  left: 31%;
  width: 38%;
  background:
    radial-gradient(
      ellipse at 50% 48%,
      rgba(229, 240, 255, .34) 0%,
      rgba(126, 199, 255, .2) 23%,
      rgba(151, 119, 255, .14) 43%,
      rgba(83, 211, 211, .06) 56%,
      transparent 73%
    );
  filter: blur(7px);
  opacity: .96;
}

/* --------------------------------------------------------------------------
   Readability and interaction baseline
   One type family, durable contrast over moving imagery, and usable text and
   control sizes across desktop, touch, zoom, reduced-motion, and high-contrast
   environments.
   -------------------------------------------------------------------------- */

body {
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-kerning: normal;
  font-synthesis: none;
}

:where(p, li, address) {
  text-wrap: pretty;
}

:where(h1, h2, h3) {
  text-wrap: balance;
}

:where(a, button, summary) {
  -webkit-tap-highlight-color: rgba(192, 175, 255, .2);
}

:where(a, button, summary):focus-visible {
  outline: 2px solid var(--violet-bright);
  outline-offset: 4px;
}

.no-js .hero-line > span {
  transform: none;
  opacity: 1;
}

#products,
#principles,
#contact,
.product-chapter {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.site-header.is-scrolled {
  border-color: rgba(228, 233, 243, .16);
  background: rgba(3, 5, 8, .9);
}

.brand-type {
  color: var(--text-primary);
  font-size: .8125rem;
  font-weight: 650;
  letter-spacing: .12em;
}

.brand,
.product-brand {
  min-height: 2.75rem;
}

.desktop-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--text-secondary);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
}

.eyebrow {
  color: var(--text-tertiary);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
}

.hero-bottom > p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.08vw, 1.125rem);
  line-height: 1.7;
}

.hero-primary,
.hero-secondary {
  min-height: 3.5rem;
  font-size: .75rem;
  font-weight: 650;
  letter-spacing: .1em;
}

.hero-secondary {
  color: var(--text-primary);
  border-color: rgba(221, 230, 242, .55);
}

.hero-caption {
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: .12em;
}

.hero .signal-track span {
  color: var(--text-label);
  font-size: .6875rem;
  font-weight: 550;
  letter-spacing: .1em;
}

.hero .signal-track span:nth-of-type(4n + 1),
.hero .signal-track span:nth-of-type(4n + 3) {
  color: var(--text-primary);
}

.section-kicker,
.product-cinema-kicker {
  color: var(--text-label);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .11em;
}

.thesis-aside {
  color: var(--text-tertiary);
  font-size: 1rem;
  line-height: 1.75;
}

.scrub-title .word {
  color: var(--text-label);
}

.scrub-title .word.is-lit {
  color: var(--text-primary);
}

.product-cinema-heading h2 {
  color: var(--text-primary);
}

.product-chapter::before {
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
}

.world-rail a {
  min-height: 2.75rem;
  padding: .5rem .75rem;
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
}

.world-rail a.is-active {
  color: #aefbe1;
}

.product-cinema .product-copy,
.product-cinema .future-product-card .product-copy {
  isolation: isolate;
}

.product-cinema .product-copy::before {
  position: absolute;
  z-index: -1;
  inset: -2rem -2.25rem;
  border-radius: 2rem;
  background: radial-gradient(
    ellipse at center,
    rgba(2, 4, 8, .86) 0%,
    rgba(2, 4, 8, .68) 58%,
    rgba(2, 4, 8, 0) 82%
  );
  pointer-events: none;
  content: "";
}

.product-number {
  color: var(--text-label);
  font-size: .75rem;
  font-weight: 650;
}

.product-category {
  color: var(--text-tertiary);
  font-size: .75rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .075em;
}

.product-cinema .product-description,
.product-description {
  color: var(--text-secondary);
  font-size: clamp(.95rem, 1.02vw, 1.075rem);
  line-height: 1.72;
}

.product-link {
  min-height: 3.25rem;
  color: var(--text-primary);
  font-size: .75rem;
  font-weight: 650;
  letter-spacing: .075em;
}

.product-link:focus-visible {
  padding-right: .5rem;
  padding-left: .5rem;
  color: var(--violet-bright);
}

.visual-chrome {
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
}

.visual-chrome > b {
  color: var(--text-tertiary);
}

.cinematic-topline,
.cinematic-bottomline {
  color: rgba(236, 243, 252, .86);
  font-size: clamp(.5rem, .6vw, .625rem);
  font-weight: 600;
}

.world-interface {
  font-size: .5rem;
  font-weight: 600;
}

.kscholar-focus-frame > span,
.kscholar-interface-cursor > span,
.kscholar-readout {
  font-size: .5rem;
  font-weight: 600;
}

.weboardit-presence-rail,
.weboardit-signal-rail,
.weboardit-board-plane figcaption {
  color: rgba(236, 243, 252, .84);
  font-size: clamp(.5rem, .55vw, .625rem);
  font-weight: 600;
}

.principles-architecture > span {
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
}

.principle-item {
  border-color: rgba(226, 232, 243, .22);
  background:
    linear-gradient(115deg, rgba(166, 140, 255, .1), transparent 48%),
    rgba(3, 5, 9, .7);
  box-shadow: inset 0 1px rgba(255, 255, 255, .045), 0 1.25rem 4rem rgba(0, 0, 0, .16);
}

.principle-item > span {
  color: var(--text-label);
  font-size: .75rem;
  font-weight: 650;
}

.principle-item p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.principle-item > i {
  color: var(--text-tertiary);
}

.closing > p:first-of-type {
  color: var(--text-label);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .13em;
}

.closing-copy {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.footer-brand p {
  color: var(--text-tertiary);
  font-size: .6875rem;
}

.footer-nav div > span,
.footer-primary-nav > span,
.footer-contact > span {
  color: var(--text-label);
  font-size: .6875rem;
  font-weight: 650;
}

.footer-nav a,
.footer-primary-nav a,
.footer-contact a {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  color: var(--text-secondary);
  font-size: .8125rem;
}

.footer-contact address {
  color: var(--text-tertiary);
  font-size: .75rem;
  font-style: normal;
}

.footer-base {
  color: var(--text-label);
  font-size: .625rem;
  font-weight: 600;
}

.closing .footer-brand p {
  color: var(--text-tertiary);
  font-size: .625rem;
}

.closing .footer-primary-nav > span,
.closing .footer-contact > span {
  color: var(--text-label);
  font-size: .625rem;
}

.closing .footer-primary-nav a,
.closing .footer-contact a {
  color: var(--text-secondary);
  font-size: .75rem;
}

.closing .footer-contact address {
  color: var(--text-tertiary);
  font-size: .6875rem;
  line-height: 1.45;
}

.closing .footer-media-credit {
  grid-column: 1 / -1;
  margin-top: .25rem;
  color: rgba(220, 227, 240, .8);
  font: 600 .625rem/1.55 var(--font-mono);
  letter-spacing: .08em;
}

.closing .footer-media-credit a {
  color: #e6ebf5;
  font: inherit;
  text-decoration-color: rgba(156, 190, 255, .42);
  text-decoration-line: underline;
  text-underline-offset: .16em;
}

.closing .footer-media-credit a:hover {
  color: #fff;
  text-decoration-color: rgba(193, 220, 255, .88);
}

.closing .footer-base {
  color: var(--text-label);
  font-size: .625rem;
}

@media (max-width: 900px) {
  .menu-toggle {
    width: 2.75rem;
    height: 2.75rem;
    border-color: rgba(226, 232, 243, .26);
  }

  .mobile-menu-foot {
    color: var(--text-tertiary);
    font-size: .6875rem;
  }

  .product-cinema .product-copy::before {
    inset: -1.25rem;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, rgba(2, 4, 8, .9), rgba(2, 4, 8, .62));
  }
}

@media (max-width: 640px) {
  .eyebrow {
    max-width: 22rem;
    font-size: .6875rem;
    line-height: 1.45;
  }

  .hero-bottom > p {
    font-size: 1rem;
  }

  .hero-primary,
  .hero-secondary {
    font-size: .6875rem;
  }

  .hero-caption {
    font-size: .625rem;
  }

  .hero .signal-track span {
    font-size: .625rem;
  }

  .section-kicker,
  .product-cinema-kicker {
    font-size: .625rem;
  }

  .product-cinema .product-description,
  .product-description {
    font-size: .9375rem;
    line-height: 1.65;
  }

  .product-category,
  .product-number,
  .product-link {
    font-size: .6875rem;
  }

  .principle-item p,
  .closing-copy {
    font-size: .9375rem;
  }

  .closing .footer-brand p {
    font-size: .625rem;
  }

  .closing .footer-primary-nav > span,
  .closing .footer-contact > span,
  .closing .footer-primary-nav a,
  .closing .footer-contact a {
    font-size: .625rem;
  }

  .closing .footer-contact address {
    font-size: .625rem;
  }

  .closing .footer-media-credit {
    font-size: .5625rem;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: rgba(255, 255, 255, .38);
    --line-soft: rgba(255, 255, 255, .24);
    --text-secondary: #f2f6fb;
    --text-tertiary: #e5edf7;
    --text-label: #d9e3ef;
  }

  .product-cinema .product-copy::before,
  .principle-item {
    background-color: rgba(0, 0, 0, .9);
  }
}

@media (forced-colors: active) {
  .accent-line > span,
  .product-cinema-heading h2 em,
  .scrub-title .word,
  .closing h2 em {
    color: CanvasText;
    background: none;
    -webkit-text-fill-color: currentColor;
  }

  :where(a, button, summary):focus-visible {
    outline: 2px solid Highlight;
  }
}

/* Natural opening travel: the hero occupies one viewport and leaves with the
   document immediately. The film remains fixed behind it, so the cinematic
   atmosphere continues without making the first wheel gesture feel trapped. */
.hero {
  min-height: max(47rem, 100svh);
}

.hero-stage {
  position: relative;
  top: auto;
}

@media (max-width: 900px) {
  .hero {
    min-height: max(46rem, 100svh);
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: max(44rem, 100svh);
  }

  .hero-stage {
    min-height: max(44rem, 100svh);
  }
}

/* Rock-film interlude: synthetic stars exist only while both videos are off.
   The explicit parent gate also neutralizes legacy continuation animations, so
   neither rock scene inherits a persistent star overlay. */
.opening-space-fx,
.opening-stars,
.opening-starfall {
  transition: opacity 140ms linear;
}

.opening-film:not(.is-star-bridge) .opening-space-fx,
.opening-film:not(.is-star-bridge) .opening-stars,
.opening-film:not(.is-star-bridge) .opening-starfall {
  visibility: hidden;
  opacity: 0 !important;
}

.opening-film.is-star-bridge .opening-space-fx,
.opening-film.is-star-bridge .opening-stars,
.opening-film.is-star-bridge .opening-starfall {
  visibility: visible;
}

.opening-film.is-star-bridge .opening-stars {
  opacity: var(--opening-ambient-opacity);
}

.opening-film.is-star-bridge .opening-starfall {
  opacity: 1;
}

.opening-film:not(.is-star-bridge) .opening-stars::before,
.opening-film:not(.is-star-bridge) .opening-stars::after,
.opening-film:not(.is-star-bridge) .opening-starfall i {
  animation-play-state: paused !important;
}