:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --accent: #0071e3;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
.shell { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.hero { padding: 92px 0 88px; background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%); }
.back-link {
  display: inline-flex; padding: 10px 16px; border: 1px solid rgba(29,29,31,.12);
  border-radius: 999px; background: rgba(255,255,255,.82); color: var(--text);
}
.eyebrow, .section-kicker {
  margin: 0; color: var(--muted); font-size: 13px; letter-spacing: .18em; text-transform: uppercase;
}
.eyebrow { margin-top: 56px; text-align: center; }
.hero h1 {
  margin: 18px auto 0; max-width: 10em; text-align: center; font-size: clamp(46px, 8vw, 88px);
  line-height: 1.02; letter-spacing: -.05em; font-weight: 600;
}
.hero-copy {
  max-width: 760px; margin: 24px auto 0; text-align: center; color: var(--muted); font-size: 20px; line-height: 1.75;
}
.hero-media {
  margin-top: 44px; overflow: hidden; border-radius: 32px; background: #000; box-shadow: 0 18px 40px rgba(0,0,0,.08);
}
.hero-video { width: 100%; aspect-ratio: 16 / 9; display: block; object-fit: cover; }
.stats, .section { padding: 84px 0; }
.section-muted { background: #fbfbfd; }
.stat-grid, .card-grid, .scene-grid { display: grid; gap: 20px; }
.stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card, .feature-card, .scene-card {
  background: var(--surface); border-radius: 28px; border: 1px solid rgba(29,29,31,.06); box-shadow: 0 8px 30px rgba(0,0,0,.04);
}
.stat-card { padding: 28px 24px; }
.stat-card strong { display: block; font-size: 40px; }
.stat-card span { display: block; margin-top: 10px; color: var(--muted); line-height: 1.7; }
.intro-grid {
  display: block; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 36px; align-items: start; margin-bottom: 22px;
}
.intro-grid h2 { margin: 16px 0 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.1; letter-spacing: -.04em; }
.section-lead { margin: 32px 0 0; color: var(--muted); font-size: 18px; line-height: 1.9; }
.card-grid, .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card, .scene-card { padding: 28px; }
.feature-card h3, .scene-card h3 { margin: 0 0 12px; font-size: 28px; line-height: 1.2; }
.feature-card p, .scene-card p { margin: 0; color: var(--muted); line-height: 1.85; font-size: 16px; }
@media (max-width: 1024px) {
  .stat-grid, .intro-grid, .card-grid, .scene-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .shell { width: min(100% - 32px, 1200px); }
  .hero { padding-bottom: 64px; }
  .hero-copy, .section-lead, .feature-card p, .scene-card p, .stat-card span { font-size: 16px; }
  .stats, .section { padding: 64px 0; }
}