:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050915;
  color: #f8fafc;
  --bg: #050915;
  --panel: #0b1220;
  --panel-strong: #111c2f;
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(125, 211, 252, 0.42);
  --text-muted: #a7b4c7;
  --cyan: #67e8f9;
  --mint: #5eead4;
  --gold: #facc15;
  --violet: #c084fc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(180deg, #07111f 0%, #090f1b 38%, #050915 100%);
  color: #f8fafc;
  min-width: 320px;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, .035), transparent 34%, rgba(192, 132, 252, .028) 68%, transparent);
  background-size: 96px 96px, 96px 96px, 100% 100%;
}
a { color: inherit; text-decoration: none; }
main { overflow: clip; }
h2 {
  margin: 10px 0 24px;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}
h3 { margin: 0 0 10px; }
p { line-height: 1.62; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(5, 9, 21, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, .18);
}
.brand,
.navbar nav,
.footer nav { display: flex; align-items: center; gap: 16px; }
.brand { font-weight: 800; }
.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.32), transparent 36%),
    linear-gradient(135deg, var(--cyan), var(--mint) 48%, var(--gold));
  box-shadow: 0 0 30px rgba(94, 234, 212, 0.28);
}
.navbar nav a,
.footer a { color: #cbd5e1; font-size: 14px; }
.navbar nav a:hover,
.footer a:hover { color: #f8fafc; }
.navbar nav a {
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
}
.navbar nav a:hover {
  border-color: rgba(148, 163, 184, .2);
  background: rgba(15, 23, 42, .58);
}
.nav-pill {
  color: #031018 !important;
  background: linear-gradient(135deg, #7dd3fc, #5eead4) !important;
  border-color: rgba(153, 246, 228, .7) !important;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: min(700px, calc(100vh - 52px));
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(48px, 7vw, 82px) clamp(18px, 6vw, 86px) 54px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  overflow: hidden;
  max-width: 1720px;
  margin: 0 auto;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(125, 211, 252, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, .04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 80%);
}
.hero > * {
  position: relative;
  z-index: 1;
}
.hero-copy { max-width: 720px; }
.hero-kicker-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}
.hero-kicker-row .eyebrow { margin: 0; }
.version-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid rgba(250, 204, 21, .34);
  border-radius: 8px;
  color: #fde68a;
  background: rgba(250, 204, 21, .08);
  font-size: 12px;
  font-weight: 800;
}
.hero h1 {
  font-size: clamp(68px, 12vw, 148px);
  line-height: 0.86;
  margin: 0;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 20px 60px rgba(103, 232, 249, .08);
}
.subtitle {
  color: #cbd5e1;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.28;
  max-width: 720px;
  margin: 22px 0 0;
}
.eyebrow {
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.button,
.controls button {
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: linear-gradient(180deg, #152138, #0e1728);
  color: #f8fafc;
  border-radius: 8px;
  padding: 11px 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.button:hover,
.controls button:hover {
  border-color: rgba(125, 211, 252, 0.68);
  background: linear-gradient(180deg, #1b2b46, #111c2f);
  transform: translateY(-1px);
}
.button:focus-visible,
.controls button:focus-visible,
.navbar a:focus-visible {
  outline: 2px solid #67e8f9;
  outline-offset: 3px;
}
.button.primary {
  background: linear-gradient(135deg, #7dd3fc, #5eead4);
  color: #04111d;
  border-color: #99f6e4;
  box-shadow: 0 18px 44px rgba(94, 234, 212, .18);
}
.install-command,
.code-panel {
  display: block;
  background: #050b14;
  border: 1px solid rgba(148, 163, 184, .22);
  border-radius: 8px;
  color: #a7f3d0;
}
.install-command { width: fit-content; padding: 12px 14px; }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
  margin-top: 24px;
}
.hero-metrics div {
  min-height: 82px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, .18);
  border-radius: 8px;
  background: rgba(11, 18, 32, .62);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
}
.hero-metrics strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}
.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  min-height: 540px;
  border: 1px solid rgba(148, 163, 184, .22);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(103, 232, 249, .05), transparent 38%, rgba(192, 132, 252, .05)),
    linear-gradient(180deg, rgba(17, 28, 47, .96) 0%, rgba(8, 17, 31, .98) 54%, #030711 100%);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .36);
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), transparent 18%),
    linear-gradient(90deg, transparent, rgba(255,255,255,.035), transparent);
}
.hero-panel-top {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  z-index: 2;
}
.hero-panel-top span {
  padding: 7px 9px;
  border: 1px solid rgba(148, 163, 184, .22);
  border-radius: 6px;
  color: #cbd5e1;
  background: rgba(5, 11, 20, .56);
  font-size: 12px;
  font-weight: 700;
}
.hero-horizon {
  position: absolute;
  left: 0;
  right: 0;
  top: 58%;
  border-top: 1px solid rgba(125, 211, 252, .24);
}
.stage-grid {
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: -26%;
  height: 76%;
  background-image:
    linear-gradient(rgba(125, 211, 252, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, .14) 1px, transparent 1px);
  background-size: 46px 46px;
  transform: perspective(720px) rotateX(62deg);
  transform-origin: top center;
}
.hero-rover {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 420px;
  height: 260px;
  --rover-scale: 1;
  transform: translate(-50%, -50%) scale(var(--rover-scale));
  animation: rover-float 5s ease-in-out infinite;
}
.rover-shadow {
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 310px;
  height: 42px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: rgba(0, 0, 0, .38);
  filter: blur(10px);
}
.rover-wheel {
  position: absolute;
  bottom: 42px;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255,255,255,.1), transparent 35%),
    #030711;
  border: 6px solid #334155;
  box-shadow: inset 0 0 0 8px #08111f, 0 14px 24px rgba(0,0,0,.28);
}
.wheel-left { left: 68px; }
.wheel-right { right: 68px; }
.rover-wheel::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  border: 2px solid rgba(125, 211, 252, .62);
  background: repeating-conic-gradient(from 12deg, rgba(125,211,252,.56) 0 8deg, transparent 8deg 38deg);
  animation: wheel-spin 1.7s linear infinite;
}
.rover-body {
  position: absolute;
  left: 56px;
  right: 56px;
  top: 62px;
  height: 108px;
  clip-path: polygon(9% 42%, 23% 0, 72% 5%, 92% 44%, 80% 100%, 18% 94%);
  background:
    linear-gradient(135deg, rgba(255,255,255,.24), transparent 28%),
    linear-gradient(135deg, #0f766e, #14b8a6 58%, #0f172a);
  border: 1px solid rgba(153, 246, 228, .42);
  box-shadow: 0 20px 44px rgba(20, 184, 166, .16);
}
.body-panel {
  position: absolute;
  bottom: 28px;
  width: 44px;
  height: 22px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,.2);
}
.panel-teal { left: 96px; background: #67e8f9; }
.panel-gold { left: 148px; background: #facc15; }
.panel-violet { left: 200px; background: #c084fc; }
.rover-cabin {
  position: absolute;
  left: 174px;
  top: 34px;
  width: 118px;
  height: 68px;
  clip-path: polygon(0 0, 72% 4%, 100% 78%, 18% 100%);
  background: linear-gradient(135deg, #bae6fd, #38bdf8 56%, #0f172a 57%);
  border: 1px solid rgba(224, 242, 254, .55);
}
.rover-arm {
  position: absolute;
  right: 20px;
  top: 42px;
  width: 118px;
  height: 8px;
  background: #cbd5e1;
  transform: rotate(-24deg);
  transform-origin: left center;
}
.rover-tool {
  position: absolute;
  right: 8px;
  top: 16px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #67e8f9;
  box-shadow: 0 0 34px rgba(103, 232, 249, .52);
}
.scan-ring {
  position: absolute;
  right: 14px;
  top: 18px;
  width: 42px;
  height: 42px;
  border: 2px solid rgba(103, 232, 249, .42);
  border-radius: 50%;
  animation: scan-pulse 1.8s ease-out infinite;
}
.hero-light {
  position: absolute;
  right: 13%;
  top: 21%;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #facc15;
  box-shadow: 0 0 40px rgba(250, 204, 21, .28);
}
.hero-node { position: absolute; }
.hero-node {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  border: 1px solid rgba(248, 250, 252, .58);
  background: #111c2f;
}
.node-a { left: 18%; top: 28%; }
.node-b { right: 19%; top: 30%; background: #17243a; }
.node-c { right: 30%; bottom: 20%; background: #17243a; }
.hero-inspector {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 4px;
  min-width: 220px;
  padding: 13px 14px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 8px;
  background: rgba(5, 11, 20, .76);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 44px rgba(0,0,0,.22);
}
.hero-inspector span {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.hero-inspector strong { font-size: 16px; }
.hero-inspector small {
  color: var(--text-muted);
  font-size: 12px;
}
@keyframes rover-float {
  0%, 100% { transform: translate(-50%, -50%) scale(var(--rover-scale)) rotate(-1deg); }
  50% { transform: translate(-50%, calc(-50% - 10px)) scale(var(--rover-scale)) rotate(1.5deg); }
}
@keyframes wheel-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes scan-pulse {
  from { transform: scale(.9); opacity: .9; }
  to { transform: scale(1.9); opacity: 0; }
}

.section,
.demo-section,
.release-section {
  padding: 70px clamp(18px, 6vw, 86px);
  max-width: 1720px;
  margin: 0 auto;
}
.demo-section {
  padding-top: 64px;
  border-top: 1px solid rgba(148, 163, 184, .1);
  border-bottom: 1px solid rgba(148, 163, 184, .1);
  background:
    linear-gradient(180deg, rgba(9, 15, 27, .24), rgba(5, 9, 21, .74)),
    linear-gradient(90deg, transparent, rgba(103, 232, 249, .04), transparent);
}
.demo-shell,
.code-section,
.release-section {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(330px, .58fr);
  gap: 28px;
  align-items: stretch;
}
.canvas-wrap {
  position: relative;
  min-height: 640px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, .18), rgba(5, 11, 20, .98)),
    #050b14;
  border: 1px solid rgba(148, 163, 184, .26);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
}
.canvas-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, .045);
  border-radius: 8px;
}
.canvas-toolbar {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 16px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #dbeafe;
  pointer-events: none;
}
.canvas-toolbar span {
  padding: 8px 10px;
  border: 1px solid rgba(148, 163, 184, .2);
  border-radius: 8px;
  background: rgba(5, 11, 20, .58);
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(10px);
}
#scenix-canvas {
  width: 100%;
  height: 100%;
  min-height: 640px;
  display: block;
  touch-action: none;
}
.fallback-panel {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 3;
  max-width: min(460px, calc(100% - 36px));
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  background: rgba(5, 11, 20, .84);
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 8px;
  color: #cbd5e1;
  backdrop-filter: blur(12px);
}
.fallback-panel.hidden { display: none; }
.fallback-panel strong { color: #f8fafc; }
.demo-side {
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(103, 232, 249, .06), transparent 48%),
    linear-gradient(180deg, rgba(17, 28, 47, .94), rgba(11, 18, 32, .98));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 24px 80px rgba(0,0,0,.18);
}
.demo-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.demo-status-row .eyebrow { margin: 0; }
.status-chip {
  max-width: 190px;
  padding: 7px 9px;
  border: 1px solid rgba(103, 232, 249, .26);
  border-radius: 8px;
  color: #99f6e4;
  background: rgba(20, 184, 166, .08);
  font-size: 12px;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.demo-side h2 {
  margin: 16px 0 8px;
  font-size: clamp(28px, 3vw, 40px);
}
.demo-side-copy {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.55;
}
.controls { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.controls button {
  min-height: 42px;
}
.controls button.active,
.controls button[aria-pressed="true"] {
  color: #031018;
  border-color: #99f6e4;
  background: linear-gradient(135deg, #7dd3fc, #5eead4);
  box-shadow: 0 14px 34px rgba(94, 234, 212, .16);
}
.stats { display: grid; gap: 10px; margin: 0; }
.stats div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(148, 163, 184, .14);
}
.stats dt { color: #94a3b8; }
.stats dd {
  margin: 0;
  color: #f8fafc;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.feature-grid,
.example-grid,
.crate-map { display: grid; gap: 14px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.example-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.crate-map { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-card,
.example-card,
.crate-map a {
  position: relative;
  border: 1px solid rgba(148, 163, 184, .18);
  background:
    linear-gradient(180deg, rgba(17, 28, 47, .78), rgba(11, 18, 32, .94));
  border-radius: 8px;
  padding: 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.feature-card::before,
.example-card::before,
.crate-map a::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}
.feature-card:hover,
.example-card:hover,
.crate-map a:hover {
  border-color: rgba(125, 211, 252, .5);
  transform: translateY(-2px);
}
.feature-card p,
.example-card p,
.release-section p { color: #cbd5e1; }
.code-section > div p { color: var(--text-muted); max-width: 620px; }
.code-panel {
  margin: 0;
  padding: 22px;
  overflow: auto;
  line-height: 1.55;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035), 0 22px 70px rgba(0,0,0,.2);
}
.release-list { margin: 0; color: #cbd5e1; line-height: 1.9; }
.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 6vw, 86px);
  border-top: 1px solid rgba(148, 163, 184, .18);
  color: #cbd5e1;
}

@media (max-width: 980px) {
  .hero,
  .demo-shell,
  .code-section,
  .release-section { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero-copy { max-width: 100%; }
  .feature-grid,
  .example-grid,
  .crate-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .navbar { align-items: flex-start; flex-direction: column; }
  .canvas-wrap,
  #scenix-canvas { min-height: 440px; }
  .hero-rover {
    width: 360px;
    --rover-scale: .88;
  }
}

@media (max-width: 560px) {
  .feature-grid,
  .example-grid,
  .crate-map { grid-template-columns: 1fr; }
  .hero-actions,
  .navbar nav,
  .footer,
  .footer nav { align-items: flex-start; flex-direction: column; }
  .stats div { grid-template-columns: 1fr; }
  .hero {
    padding-top: 38px;
  }
  .hero h1 {
    font-size: clamp(58px, 22vw, 86px);
  }
  .hero-metrics {
    grid-template-columns: 1fr;
  }
  .hero-visual { min-height: 390px; }
  .hero-rover {
    width: 300px;
    --rover-scale: .74;
  }
  .hero-panel-top,
  .hero-inspector,
  .canvas-toolbar { display: none; }
  .canvas-wrap,
  #scenix-canvas { min-height: 390px; }
}