@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Space+Grotesk:wght@300;400;500;700&display=swap');

:root {
  --bg: #080909;
  --bg-soft: #101313;
  --panel: rgba(15, 18, 18, 0.84);
  --panel-strong: rgba(19, 22, 22, 0.96);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f3f1ea;
  --muted: #a7a498;
  --gold: #d2a93a;
  --gold-soft: rgba(210, 169, 58, 0.18);
  --green: #7ecf93;
  --danger: #f26d5b;
  --shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
  --max: 1440px;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(210, 169, 58, 0.08), transparent 32%),
    linear-gradient(180deg, #090909 0%, #050606 100%);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

body {
  overflow-x: hidden;
}

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

.lab-shell {
  position: relative;
  min-height: 100vh;
}

.lab-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 95%);
  pointer-events: none;
}

.lab-nav,
.piece-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 32px;
  background: rgba(7, 8, 8, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 24px rgba(210, 169, 58, 0.25);
}

.nav-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-link,
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.cta-link:hover {
  border-color: var(--gold);
  color: var(--text);
  transform: translateY(-1px);
}

.cta-link {
  color: var(--text);
  background: linear-gradient(180deg, rgba(210, 169, 58, 0.18), rgba(210, 169, 58, 0.08));
}

.page {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.hero {
  padding: 72px 0 44px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(56px, 7vw, 108px);
  line-height: 0.93;
  letter-spacing: -0.06em;
  font-weight: 500;
}

.hero-copy p {
  max-width: 58ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 44px 0 76px;
}

.piece-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  padding: 26px;
  background: linear-gradient(180deg, rgba(17, 20, 20, 0.92), rgba(10, 11, 11, 0.98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.piece-card h2 {
  margin: 14px 0 10px;
  font-size: 30px;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.piece-card p {
  max-width: 34ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.piece-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.piece-footer {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.piece-preview {
  position: relative;
  margin-top: 26px;
  min-height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(7, 7, 7, 0.9);
  overflow: hidden;
}

.notes {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  margin-bottom: 88px;
}

.note-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(8, 10, 10, 0.82);
}

.note-card h3 {
  margin: 0 0 14px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.note-card p,
.note-card li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.note-card ul {
  margin: 0;
  padding-left: 18px;
}

.piece-hero {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 42px;
  align-items: center;
  padding: 64px 0 36px;
}

.piece-copy h1 {
  margin: 0;
  font-size: clamp(54px, 6vw, 94px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.piece-copy p {
  margin: 22px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.spec {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(9, 11, 11, 0.8);
}

.spec strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}

.spec span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.scene {
  position: relative;
  min-height: 660px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(16, 18, 18, 0.84), rgba(5, 6, 6, 0.96));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.caption-rail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 22px 0 88px;
}

.caption {
  padding: 18px 20px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(9, 10, 10, 0.78);
  font-size: 14px;
  line-height: 1.6;
}

.caption strong {
  color: var(--text);
}

.mono {
  font-family: "IBM Plex Mono", monospace;
}

.muted {
  color: var(--muted);
}

.gold {
  color: var(--gold);
}

[data-tilt] {
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  will-change: transform;
}

@media (max-width: 1100px) {
  .hero-grid,
  .piece-hero,
  .notes {
    grid-template-columns: 1fr;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .scene {
    min-height: 520px;
  }
}

@media (max-width: 720px) {
  .lab-nav,
  .piece-nav {
    padding: 18px 18px;
  }

  .page {
    width: min(calc(100% - 24px), var(--max));
  }

  .hero,
  .piece-hero {
    padding-top: 42px;
  }

  .hero-copy h1,
  .piece-copy h1 {
    font-size: clamp(42px, 15vw, 64px);
  }

  .hero-copy p,
  .piece-copy p {
    font-size: 17px;
  }

  .caption-rail {
    grid-template-columns: 1fr;
  }

  .scene {
    min-height: 420px;
  }
}