:root {
  --bg-primary: #f5f5f0;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eeede8;
  --bg-dark: #0c0c10;
  --bg-dark-secondary: #13131a;
  --accent: #1a9e4a;
  --accent-dim: rgba(26,158,74,0.10);
  --accent-glow: rgba(26,158,74,0.22);
  --accent-glow-strong: rgba(26,158,74,0.35);
  --text-primary: #0f0f14;
  --text-secondary: #6b6b7a;
  --text-light: #f0f0ec;
  --text-light-muted: rgba(240,240,236,0.42);
  --border-light: rgba(0,0,0,0.07);
  --border-dark: rgba(255,255,255,0.06);
  --shadow-soft: rgba(0,0,0,0.08);
  --shadow-medium: rgba(0,0,0,0.10);
  --shadow-heavy: rgba(0,0,0,0.25);
  --nav-bg-light: rgba(245,245,240,0.88);
  --nav-bg-dark: rgba(12,12,16,0.88);
  --font-display: 'Figtree', sans-serif;
  --font-body: 'Figtree', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-primary); }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }
main { overflow: clip; }

.snap-container { scroll-snap-type: y mandatory; }
.section {
  min-height: 100vh;
  padding: calc(var(--nav-h) + 56px) clamp(22px, 5vw, 72px) 64px;
  position: relative;
}
.section--snap { scroll-snap-align: start; }
.section-light { background: var(--bg-primary); color: var(--text-primary); }
.section-white { background: var(--bg-secondary); color: var(--text-primary); }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-short { min-height: 60vh; }
.section-half { min-height: 50vh; }
.section-fit { min-height: auto; padding-top: clamp(64px, 9vh, 110px); padding-bottom: clamp(64px, 9vh, 110px); }
.wrap { width: min(1180px, 100%); margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 84px); align-items: center; }
.center { display: grid; place-items: center; text-align: center; }
.label, .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.label { color: var(--text-secondary); }
.section-dark .label { color: var(--accent); }
.display-xl, .display-lg, .display-md {
  font-family: var(--font-display);
  letter-spacing: 0;
  line-height: 0.94;
}
.display-xl { font-size: clamp(56px, 8vw, 88px); font-weight: 700; }
.display-lg { font-size: clamp(44px, 6vw, 72px); font-weight: 700; }
.display-md { font-size: clamp(38px, 5vw, 64px); font-weight: 700; }
.muted { color: var(--text-secondary); }
.section-dark .muted { color: var(--text-light-muted); }

[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s var(--ease-out-expo), transform 0.75s var(--ease-out-expo);
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); }
.line-mask { overflow: hidden; display: block; padding-bottom: 0.18em; }
.line-mask .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}
.line-mask .word.revealed { opacity: 1; transform: translateY(0); }
.list-reveal { list-style: none; margin: 0; padding: 0; }
.list-reveal li {
  opacity: 0;
  transform: translateX(-22px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
  position: relative;
  padding-left: 16px;
}
.list-reveal li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease-out-expo) 0.3s;
}
.list-reveal li.revealed { opacity: 1; transform: translateX(0); }
.list-reveal li.revealed::before { transform: scaleY(1); }
.draw-line {
  display: block;
  background: var(--border-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out-expo);
}
.section-dark .draw-line { background: var(--border-dark); }
.draw-line.vertical { width: 1px; height: 100%; transform: scaleY(0); transform-origin: top; }
.draw-line.revealed { transform: scaleX(1); }
.draw-line.vertical.revealed { transform: scaleY(1); }

.site-nav {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 48px);
  background: var(--nav-bg-light);
  color: var(--text-primary);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease-in-out), color 0.35s var(--ease-in-out), border-color 0.3s var(--ease-in-out);
}
.site-nav.is-scrolled { border-bottom-color: var(--border-light); }
.site-nav.nav--dark {
  background: var(--nav-bg-dark);
  color: var(--text-light);
}
.site-nav.nav--dark.is-scrolled { border-bottom-color: var(--border-dark); }
.brand { display: inline-flex; align-items: center; gap: 7px; }
.brand-mark { width: 32px; height: 32px; object-fit: contain; display: block; }
.brand-word { height: 22px; width: auto; display: block; }
.nav--dark .brand-word { filter: invert(1); }
.nav-center, .nav-actions { display: flex; align-items: center; gap: clamp(18px, 2vw, 30px); }
.nav-link, .dropdown-trigger {
  position: relative;
  background: transparent;
  border: 0;
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}
.site-nav.nav--dark .nav-link, .site-nav.nav--dark .dropdown-trigger { color: var(--text-light-muted); }
.nav-link::after, .dropdown-trigger::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s var(--ease-in-out);
}
.nav-link:hover::after, .dropdown:hover .dropdown-trigger::after { transform: scaleX(1); }
.nav-link:hover, .dropdown-trigger:hover, .site-nav.nav--dark .nav-link:hover, .site-nav.nav--dark .dropdown-trigger:hover { color: currentColor; }
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: -12px;
  min-width: 180px;
  padding: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 8px;
  box-shadow: 0 8px 32px var(--shadow-medium);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s var(--ease-in-out), transform 0.2s var(--ease-in-out);
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.dropdown-menu a {
  display: block;
  position: relative;
  padding: 10px 12px 10px 14px;
  color: var(--text-secondary);
  font-size: 14px;
}
.dropdown-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ease-in-out);
}
.dropdown-menu a:hover { color: var(--accent); }
.dropdown-menu a:hover::before { transform: scaleY(1); }
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-light);
  background: transparent;
  position: relative;
  z-index: 1002;
}
.hamburger span, .hamburger::before, .hamburger::after {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  margin: 5px auto;
  transition: transform 0.2s var(--ease-in-out), opacity 0.2s var(--ease-in-out);
}
.hamburger.is-open span { opacity: 0; }
.hamburger.is-open::before { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open::after { transform: translateY(-6px) rotate(-45deg); }
.mobile-panel {
  position: fixed;
  z-index: 999;
  inset: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 112px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out-expo);
}
.mobile-panel.is-open { transform: translateX(0); }
.mobile-panel a {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
  opacity: 0;
  transform: translateY(16px);
}
.mobile-panel.is-open a { animation: mobile-link-in 0.45s var(--ease-out-expo) both; }
.mobile-panel.is-open a:nth-child(2) { animation-delay: 0.06s; }
.mobile-panel.is-open a:nth-child(3) { animation-delay: 0.12s; }
.mobile-panel.is-open a:nth-child(4) { animation-delay: 0.18s; }
.mobile-panel.is-open a:nth-child(5) { animation-delay: 0.24s; }
.mobile-panel.is-open a:nth-child(6) { animation-delay: 0.30s; }
.mobile-panel .btn { margin-top: auto; font-family: var(--font-body); font-size: 15px; width: 100%; }
@keyframes mobile-link-in { to { opacity: 1; transform: translateY(0); } }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.2s var(--ease-in-out), background 0.2s var(--ease-in-out), color 0.2s var(--ease-in-out), border-color 0.2s var(--ease-in-out);
}
.btn--outline { border: 1px solid var(--accent); color: var(--accent); background: transparent; }
.btn--outline:hover { background: var(--accent); color: var(--text-light); }
.btn--filled { border: 1px solid var(--accent); background: var(--accent); color: var(--text-light); }
.btn--filled:hover { transform: scale(1.02); }
.btn--white { border-color: var(--text-light); color: var(--text-light); }
.btn--white:hover { background: var(--text-light); color: var(--text-primary); }
.btn--large { min-height: 58px; padding: 0 30px; font-size: 16px; }

.hero-home {
  background: radial-gradient(ellipse 60% 60% at 85% 15%, var(--accent-dim) 0%, transparent 70%), var(--bg-primary);
  display: grid;
  align-items: center;
}
.hero { display: grid; grid-template-columns: 55% 45%; gap: 28px; align-items: center; min-height: calc(100vh - var(--nav-h) - 120px); }
.hero-copy { max-width: 660px; }
.hero-copy > * { opacity: 0; animation: load-in 0.65s var(--ease-out-expo) both; }
.hero-copy .label { animation-delay: 0.1s; }
.hero-copy h1 { margin-top: 18px; animation-delay: 0.2s; opacity: 1; }
.hero-copy p:not(.label) { max-width: 560px; margin-top: 24px; color: var(--text-secondary); font-size: 18px; animation-delay: 0.55s; }
.hero-ctas { display: flex; gap: 12px; margin-top: 34px; animation-delay: 0.7s; }
@keyframes load-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.word-cycle { display: inline-grid; color: var(--accent); min-width: 4ch; vertical-align: baseline; }
.word-cycle span { grid-area: 1 / 1; opacity: 0; transform: translateY(-8px); transition: opacity 0.4s var(--ease-in-out), transform 0.4s var(--ease-in-out); }
.word-cycle span.is-visible { opacity: 1; transform: translateY(0); }
.word-cycle span.is-exiting { opacity: 0; transform: translateY(8px); }
/* Interactive 3D GPU (WebGL / Three.js) */
.gpu-scene { display: grid; place-items: center; min-height: 460px; }
.gpu-stage { position: relative; width: min(480px, 100%); aspect-ratio: 1 / 1; cursor: grab; touch-action: pan-y; }
.gpu-stage.is-grabbed { cursor: grabbing; }
.gpu-stage canvas { display: block; }
.gpu-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.02em;
  color: var(--text-primary); white-space: nowrap;
  padding: 1px 7px; border-left: 2px solid var(--accent);
  background: rgba(245,245,240,0.62); backdrop-filter: blur(2px);
  transform: translateX(8px); transition: opacity 0.25s var(--ease-in-out);
}
.gpu-hint {
  position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-secondary); opacity: 0.6; pointer-events: none; z-index: 2;
  transition: opacity 0.4s var(--ease-in-out);
}
.scroll-chevron {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  opacity: 0.4;
  animation: chevron-bounce 2s ease-in-out infinite;
}
@keyframes chevron-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50% { transform: translateX(-50%) translateY(5px); opacity: 0.7; }
}

.statement {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse 40% 40% at 50% 50%, var(--accent-dim) 0%, transparent 70%), var(--bg-dark);
}
.statement h2 { display: grid; gap: 14px; }
.statement .soft { color: var(--text-light-muted); font-weight: 300; font-size: clamp(42px, 5vw, 52px); }
.statement .strong { color: var(--text-light); font-weight: 700; font-size: clamp(48px, 5.8vw, 58px); }

/* Overview scroll section */
.overview-scroll { min-height: auto; padding: 0; }
.overview-track { display: grid; grid-template-columns: 45% 55%; min-height: 100vh; }
.overview-visual-sticky {
  position: sticky; top: 0; height: 100vh;
  display: grid; place-items: center;
  padding: clamp(22px, 4vw, 60px);
}
.ov-panel {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  opacity: 0; transition: opacity 0.55s var(--ease-out-expo);
  pointer-events: none;
}
.ov-panel.is-active { opacity: 1; pointer-events: auto; }
.overview-items { padding: clamp(64px, 8vh, 120px) clamp(22px, 4vw, 60px); }
.overview-items .overview-item { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; }

/* Hardware panel */
.ov-hw-wrap {
  width: min(320px, 80vw); aspect-ratio: 4/3;
  background: var(--bg-dark-secondary);
  border: 1px solid var(--border-dark);
  border-radius: 14px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px var(--accent-dim);
}
.ov-hw-label { font-family: var(--font-mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 4px; }
.ov-hw-slot { display: grid; grid-template-columns: 48px 1fr 36px; align-items: center; gap: 10px; }
.ov-hw-slot span { font-family: var(--font-mono); font-size: 11px; color: var(--text-light-muted); }
.ov-hw-bar { height: 8px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; }
.ov-hw-bar i { display: block; height: 100%; width: var(--w, 70%); background: linear-gradient(90deg, var(--accent), #2dd66f); border-radius: 3px; animation: hw-pulse 3s ease-in-out infinite; }
.ov-hw-slot:nth-child(2) .ov-hw-bar i { animation-delay: 0.4s; }
.ov-hw-slot:nth-child(3) .ov-hw-bar i { animation-delay: 0.8s; }
.ov-hw-slot:nth-child(4) .ov-hw-bar i { animation-delay: 1.2s; }
.ov-hw-pct { font-family: var(--font-mono); font-size: 11px; color: var(--accent); text-align: right; }
.ov-hw-chip {
  width: 80px; height: 80px; margin: 6px auto 0;
  background: var(--bg-dark); border: 1px solid var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  display: grid; place-items: center;
}
.ov-hw-chip::after { content: 'GPU'; font-family: var(--font-mono); font-size: 11px; color: var(--accent); letter-spacing: 0.12em; }
@keyframes hw-pulse { 0%,100%{transform:scaleX(0.95)} 50%{transform:scaleX(1)} }

/* Software panel */
.ov-sw-wrap {
  width: min(320px, 80vw);
  background: var(--bg-dark); border: 1px solid var(--border-dark);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px var(--accent-dim);
}
.ov-sw-topbar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--bg-dark-secondary); border-bottom: 1px solid var(--border-dark); }
.ov-sw-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); animation: sw-blink 2.4s ease-in-out infinite; }
.ov-sw-dot:nth-child(2) { background: rgba(255,255,255,0.2); animation: none; }
.ov-sw-dot:nth-child(3) { background: rgba(255,255,255,0.12); animation: none; }
.ov-sw-title { font-family: var(--font-mono); font-size: 11px; color: var(--text-light-muted); margin-left: 4px; }
@keyframes sw-blink { 0%,100%{opacity:1} 50%{opacity:0.4} }
.ov-sw-body { padding: 16px; display: grid; gap: 8px; }
.ov-sw-line { display: flex; align-items: center; gap: 8px; }
.ov-sw-icon { font-family: var(--font-mono); font-size: 10px; color: var(--accent); width: 14px; }
.ov-sw-key { font-family: var(--font-mono); font-size: 11px; color: var(--text-light-muted); width: 80px; }
.ov-sw-val { font-family: var(--font-mono); font-size: 11px; color: var(--text-light); }
.ov-sw-nodes { display: grid; grid-template-columns: repeat(4,1fr); gap: 6px; margin-top: 10px; }
.ov-sw-node { height: 28px; background: var(--bg-dark-secondary); border: 1px solid var(--border-dark); border-radius: 4px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 9px; color: var(--text-light-muted); }
.ov-sw-node.active { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); animation: sw-blink 2s ease-in-out infinite; }

/* Model panel */
.ov-ml-wrap {
  width: min(300px, 80vw); aspect-ratio: 1;
  position: relative;
}
.ov-ml-wrap svg { width: 100%; height: 100%; }

/* Use-case icons */
.use-icon { width: 56px; height: 56px; flex-shrink: 0; }

/* Contact button spacing */
.section-dark.center .btn { margin-top: 36px; display: inline-flex; }

.products-overview { display: grid; grid-template-columns: 45% 55%; gap: clamp(40px, 6vw, 90px); align-items: start; }
.stack-motion {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: 0 24px 60px var(--shadow-soft), 0 0 0 1px var(--accent-dim);
}
.stack-motion img { width: 100%; height: 100%; object-fit: cover; display: block; }
.overview-item { padding: 38px 0; }
.overview-item:first-child { padding-top: 0; }
.overview-item .num { font-family: var(--font-display); font-size: 64px; font-weight: 700; color: var(--accent); line-height: 1; }
.overview-item h3 { font-size: 22px; font-weight: 500; margin: 6px 0 12px; }
.overview-item p { max-width: 540px; color: var(--text-secondary); font-size: 16px; }
.overview-item .text-link { display: inline-flex; margin-top: 18px; color: var(--accent); font-weight: 500; }

.capabilities h2 { max-width: 900px; margin: 0 auto 58px; text-align: center; }
.cap-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr); gap: clamp(36px, 6vw, 80px); align-items: center; }
.cap-list { display: grid; gap: 28px; }
.cap-list strong { font-weight: 500; color: var(--text-primary); }
.cap-list li { color: var(--text-secondary); }
.control-plane {
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: 12px;
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  box-shadow: 0 24px 70px var(--shadow-medium);
}
.control-head, .dash-row { display: flex; justify-content: space-between; gap: 24px; padding: 12px 0; }
.dash-row { border-top: 1px solid var(--border-dark); opacity: 0; transform: translateY(6px); transition: opacity 0.35s var(--ease-out-expo), transform 0.35s var(--ease-out-expo); }
.control-plane.revealed .dash-row.is-typed { opacity: 1; transform: translateY(0); }
.live-dot { color: var(--accent); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.dash-label { color: var(--text-light-muted); }
.green { color: var(--accent); }
.cap-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.cap-tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 8px 12px;
  border: 1px solid transparent;
  transition: border-color 0.15s var(--ease-in-out), color 0.15s var(--ease-in-out), opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}
.cap-tag:hover { border-color: var(--accent); color: var(--accent); }

/* Animated GPU cluster / server-rack panel */
.gpu-cluster {
  background: var(--bg-dark);
  color: var(--text-light);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 22px 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  box-shadow: 0 24px 70px var(--shadow-medium), 0 0 0 1px var(--accent-dim);
}
.cluster-head {
  display: flex; justify-content: space-between; align-items: center;
  letter-spacing: 0.08em;
  padding-bottom: 14px; margin-bottom: 4px;
  border-bottom: 1px solid var(--border-dark);
}
.cluster-row {
  display: grid; grid-template-columns: 58px 1fr 42px;
  align-items: center; gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--border-dark);
}
.cluster-row:first-of-type { border-top: 0; }
.cluster-row .node { color: var(--text-light-muted); }
.cluster-row .util { height: 10px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; }
.cluster-row .util i {
  display: block; height: 100%; width: var(--u);
  background: linear-gradient(90deg, rgba(26,158,74,0.65), #2dd66f);
  border-radius: 3px;
  transform-origin: left;
  animation: util-pulse 3.2s var(--ease-in-out) infinite;
}
.cluster-row:nth-of-type(2) .util i { animation-delay: 0s; }
.cluster-row:nth-of-type(3) .util i { animation-delay: 0.5s; }
.cluster-row:nth-of-type(4) .util i { animation-delay: 1s; }
.cluster-row:nth-of-type(5) .util i { animation-delay: 1.5s; }
.cluster-row .pct { text-align: right; color: var(--accent); }
.cluster-foot {
  display: flex; justify-content: space-between;
  padding-top: 14px; margin-top: 4px;
  border-top: 1px solid var(--border-dark);
  color: var(--text-light-muted);
}
@keyframes util-pulse { 0%, 100% { transform: scaleX(0.9); } 50% { transform: scaleX(1); } }

.use-cases { padding-left: 0; padding-right: 0; }
.use-row {
  position: relative;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 54px clamp(22px, 5vw, 72px);
  transition: background 0.2s var(--ease-in-out);
}
.use-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.25s var(--ease-in-out);
}
.use-row:hover { background: var(--accent-dim); }
.use-row:hover::before { transform: scaleY(1); }
.use-symbol { color: var(--accent); font-family: var(--font-display); font-size: 64px; font-weight: 700; line-height: 1; }
.use-row h3 { font-size: 28px; font-weight: 500; }
.use-row p { color: var(--text-secondary); max-width: 560px; margin-top: 8px; }
.use-row a { color: var(--text-primary); font-weight: 500; transition: transform 0.2s var(--ease-in-out), color 0.2s var(--ease-in-out); }
.use-row:hover a { transform: translateX(4px); color: var(--accent); }

.platform-stack { padding-left: 0; padding-right: 0; padding-bottom: 96px; display: flex; flex-direction: column; justify-content: center; }
.platform-intro { padding: 0 clamp(22px, 5vw, 72px) 36px; }
.platform-intro h2 { max-width: 620px; margin-top: 14px; }
.stack-bars { width: 100%; }
.stack-bar {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 24px 48px;
  background: var(--bg-dark-secondary);
  border-bottom: 1px solid var(--border-dark);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo), background 0.2s var(--ease-in-out);
}
.stack-bar.revealed { opacity: 1; transform: translateY(0); }
.stack-bar::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-in-out);
}
.stack-bar:hover { background: var(--bg-dark); }
.stack-bar:hover::after { transform: scaleX(1); }
.stack-bar .num { color: var(--accent); font-family: var(--font-mono); font-size: 12px; text-align: right; }
.stack-bar strong { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--text-light); }
.stack-bar p { color: var(--text-light-muted); font-size: 14px; margin-top: 4px; }
.stack-bar .arrow { opacity: 0; transform: translateX(-8px); color: var(--accent); transition: opacity 0.3s var(--ease-in-out), transform 0.3s var(--ease-in-out); }
.stack-bar:hover .arrow { opacity: 1; transform: translateX(0); }
.stack-bar--glow { border-bottom-color: var(--accent-glow-strong); box-shadow: 0 18px 44px var(--accent-glow); }

.research-teaser { display: grid; align-items: center; }
.research-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 34px; }
.card, .research-card, .pillar-card, .team-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 32px;
  transition: transform 0.25s var(--ease-in-out), box-shadow 0.25s var(--ease-in-out), border-color 0.25s var(--ease-in-out);
}
.card:hover, .research-card:hover, .pillar-card:hover, .team-card:hover { transform: translateY(-3px); box-shadow: 0 14px 38px var(--shadow-soft); }
.research-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-in-out);
}
.research-card:hover::before { transform: scaleX(1); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 11px;
}
.tag--neutral { background: var(--bg-tertiary); color: var(--text-secondary); }
.research-card h3 { margin: 18px 0 24px; font-size: 24px; font-weight: 500; line-height: 1.25; }
.research-card a { color: var(--accent); font-weight: 500; }

.final-cta { overflow: hidden; padding-top: 120px; padding-bottom: 120px; }
.cta-motion { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.28; }
.cta-motion img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: screen; }
.cta-motion::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 70% at 50% 50%, transparent 0%, var(--bg-dark) 78%); }
.final-cta > div:not(.cta-motion) { position: relative; z-index: 2; }
.final-cta p { margin: 22px 0 30px; color: var(--text-light-muted); font-size: 18px; }

.page-hero { display: grid; align-items: center; }
.page-hero p { max-width: 700px; margin-top: 24px; color: var(--text-secondary); font-size: 18px; }
.anchor-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.anchor-pills a {
  padding: 9px 13px;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  color: var(--text-secondary);
  transition: border-color 0.15s var(--ease-in-out), color 0.15s var(--ease-in-out);
}
.anchor-pills a:hover, .anchor-pills a.is-active { border-color: var(--accent); color: var(--accent); }
.product-section { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.product-section h2 { font-family: var(--font-display); font-size: clamp(48px, 6vw, 64px); line-height: 0.95; margin: 12px 0 20px; }
.product-section p:not(.product-tag) { color: var(--text-secondary); max-width: 560px; }
.section-dark .product-section p:not(.product-tag) { color: var(--text-light-muted); }
.product-tag { color: var(--accent); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.15em; }
.spec-list { margin: 28px 0; display: grid; gap: 0; }
.spec-list li {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 16px;
  padding: 14px 0 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}
.section-dark .spec-list li { border-bottom-color: var(--border-dark); color: var(--text-light-muted); }
.spec-list b { color: var(--text-primary); font-weight: 500; }
.section-dark .spec-list b { color: var(--text-light); }
.img-placeholder {
  aspect-ratio: 4 / 3;
  border: 1.5px dashed var(--border-light);
  border-radius: 8px;
  background: var(--bg-tertiary);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}
.section-dark .img-placeholder { border-color: var(--border-dark); background: var(--bg-dark-secondary); color: var(--text-light-muted); }
.pillar-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 44px; }
.pillar-card { background: var(--bg-dark-secondary); border-color: var(--border-dark); color: var(--text-light); }
.pillar-card:hover { border-color: var(--accent); }
.pillar-card h3 { font-family: var(--font-display); font-size: 24px; font-weight: 600; margin-bottom: 14px; }
.pillar-card p { color: var(--text-light-muted); font-size: 15px; }

.config-shell {
  max-width: 980px;
  margin: 0 auto;
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 24px 80px var(--shadow-heavy);
}
.config-header { display: flex; gap: 9px; align-items: center; color: var(--text-light-muted); margin-bottom: 24px; }
.config-grid { display: grid; grid-template-columns: 1fr 0.78fr; gap: 24px; }
.config-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 22px; }
.config-card {
  text-align: left;
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  background: transparent;
  padding: 20px;
  transition: border-color 0.2s var(--ease-in-out), background 0.2s var(--ease-in-out), transform 0.2s var(--ease-in-out);
}
.config-card.is-selected { border-color: var(--accent); background: var(--accent-dim); transform: scale(1.01); }
.config-card b { display: block; margin-bottom: 8px; color: var(--text-light); font-weight: 600; }
.config-card span { color: var(--text-light); font-size: 13px; opacity: 0.55; }
.spec-panel { opacity: 0; transform: translateY(16px); transition: opacity 0.3s var(--ease-out-expo), transform 0.3s var(--ease-out-expo); }
.spec-panel.is-visible { opacity: 1; transform: translateY(0); }
.config-field { margin-top: 18px; }
.config-field label { display: block; color: var(--text-light-muted); font-size: 13px; margin-bottom: 9px; }
.config-field select {
  width: 100%;
  background: var(--bg-dark-secondary);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 12px;
}
.config-field input[type="range"] { width: 100%; accent-color: var(--accent); }
.config-range-labels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; color: var(--text-light-muted); font-size: 11px; }
.config-toggle, .config-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.config-toggle button, .config-pills button {
  border: 1px solid var(--border-dark);
  background: transparent;
  border-radius: 999px;
  padding: 8px 12px;
  transition: background 0.15s var(--ease-in-out), color 0.15s var(--ease-in-out), border-color 0.15s var(--ease-in-out);
}
.config-toggle button.is-active, .config-pills button.is-active { background: var(--accent); border-color: var(--accent); color: var(--text-light); }
.output-panel {
  background: var(--bg-dark-secondary);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
  padding: 22px;
  align-self: start;
}
.summary { font-family: var(--font-mono); color: var(--text-light-muted); min-height: 48px; }
.meter { height: 9px; background: var(--bg-dark); border-radius: 999px; overflow: hidden; margin: 10px 0 18px; }
.meter span { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.4s var(--ease-out-expo); }
.profile { color: var(--text-light); transition: color 0.2s var(--ease-in-out); }
.profile.is-max { color: var(--accent); }
.request-config { width: 100%; margin-top: 24px; }

.interactive-stack { display: grid; grid-template-columns: 1fr 360px; gap: 30px; align-items: stretch; }
.stack-layers { display: grid; gap: 0; }
.stack-layers .stack-bar { width: 100%; border: 0; text-align: left; }
.stack-layers .stack-bar.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
}
.layer-panel {
  background: var(--bg-dark-secondary);
  border-left: 2px solid var(--accent);
  padding: 26px;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.3s var(--ease-out-expo), transform 0.3s var(--ease-out-expo);
}
.layer-panel.is-visible { opacity: 1; transform: translateX(0); }
.panel-close { float: right; border: 0; background: transparent; color: var(--text-light-muted); font-size: 26px; }
.layer-panel h3 { font-family: var(--font-display); font-size: 34px; margin-bottom: 12px; }
.layer-panel p, .layer-panel li { color: var(--text-light-muted); }

.pillar-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar-columns article { transition: transform 0.25s var(--ease-in-out); }
.pillar-columns article:hover { transform: translateY(-4px); }
.paper-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.team-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1.5px dashed var(--border-light);
  background: var(--bg-tertiary);
  margin-bottom: 18px;
}
.linkedin { opacity: 0; color: var(--accent); transition: opacity 0.2s var(--ease-in-out); }
.team-card:hover .linkedin { opacity: 1; }
.mission-text { max-width: 980px; margin: 0 auto; text-align: center; }
.mission-text p { margin-top: 26px; color: var(--text-secondary); font-size: 18px; }
.about-hero { background: radial-gradient(ellipse 50% 35% at 50% 60%, var(--accent-dim) 0%, transparent 70%), var(--bg-dark); }
.about-hero .accent-line { color: var(--accent); }

.contact-main { display: grid; grid-template-columns: 0.9fr 1fr; gap: clamp(36px, 6vw, 84px); align-items: center; }
.contact-list { display: grid; gap: 18px; margin-top: 34px; }
.contact-list li { color: var(--text-secondary); }
.form-card {
  background: var(--bg-secondary);
  box-shadow: 0 12px 40px var(--shadow-soft);
  border-radius: 14px;
  padding: 40px;
}
.form-card label { display: block; margin-bottom: 18px; color: var(--text-secondary); font-size: 13px; }
.form-card input, .form-card textarea {
  display: block;
  width: 100%;
  margin-top: 7px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 13px 14px;
  outline: none;
  resize: vertical;
  transition: border-color 0.15s var(--ease-in-out), box-shadow 0.15s var(--ease-in-out);
}
.form-card input:focus, .form-card textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-card .btn { width: 100%; }

.site-footer {
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
  padding: 44px clamp(22px, 5vw, 72px) 24px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.site-footer h3 { color: var(--text-primary); font-size: 14px; font-weight: 500; margin-bottom: 12px; }
.site-footer a { display: table; margin: 8px 0; font-size: 14px; transition: color 0.15s var(--ease-in-out); }
.site-footer a:hover { color: var(--text-primary); text-decoration: underline; }
.footer-copy { text-align: right; font-family: var(--font-mono); font-size: 12px; margin-top: 32px; }

@media (max-width: 900px) {
  .grid-2, .hero, .products-overview, .cap-grid, .product-section, .config-grid, .interactive-stack, .contact-main { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 72px; }
  .gpu-scene { min-height: 280px; }
  .stack-motion { position: relative; top: auto; }
  .pillar-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .paper-grid, .pillar-columns, .research-grid { grid-template-columns: 1fr; }
  .use-row { grid-template-columns: 70px 1fr; }
  .use-row a { grid-column: 2; }
}
@media (max-width: 768px) {
  .snap-container { scroll-snap-type: none; }
  .section--snap { scroll-snap-align: none; }
  .section { min-height: auto; padding-top: calc(var(--nav-h) + 42px); }
  .section:not(.section-short):not(.section-half) { min-height: 100svh; }
  .nav-center, .nav-actions { display: none; }
  .hamburger { display: block; }
  .display-xl { font-size: 56px; }
  .display-lg { font-size: 46px; }
  .hero-ctas, .config-products { flex-direction: column; display: flex; }
  .use-row { padding: 34px 22px; gap: 18px; }
  .footer-grid, .pillar-grid, .team-grid { grid-template-columns: 1fr; }
  .stack-bar { grid-template-columns: 38px 1fr auto; padding: 20px 22px; }
  .spec-list li { grid-template-columns: 1fr; gap: 4px; }
}