:root {
  color-scheme: dark;
  --bg: #07090b;
  --panel: #121820;
  --panel-2: #1a2027;
  --text: #f6f8f7;
  --muted: #9ea9b1;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #62d9ff;
  --mint: #79e3b0;
  --gold: #ffd079;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand, .nav-links, .hero-actions, .hero-signal, .operation-section, .site-footer {
  display: flex;
  align-items: center;
}

.brand { gap: 10px; font-weight: 850; }
.brand-mark {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(98, 217, 255, 0.62);
  border-radius: 7px;
  background: linear-gradient(135deg, rgba(98, 217, 255, 0.26), rgba(121, 227, 176, 0.10));
}

.nav-links { gap: 26px; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-action, .primary-action, .secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
}
.nav-action, .secondary-action {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  color: #dce4e8;
}
.primary-action { border: 0; background: var(--text); color: #090c0f; }
.site-account-hint {
  max-width: 220px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-section {
  position: relative;
  display: grid;
  align-content: end;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 56px 0 64px;
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-top: 26vh;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 { max-width: 980px; margin-bottom: 18px; font-size: clamp(48px, 7vw, 94px); line-height: 1.02; }
h2 { margin-bottom: 0; font-size: clamp(32px, 4.4vw, 58px); line-height: 1.05; }
h3 { margin-bottom: 10px; font-size: 22px; }
.hero-lede {
  max-width: 680px;
  color: #cbd2d6;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.5;
}
.hero-actions { flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-signal {
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}
.hero-signal span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(7, 9, 11, 0.62);
  color: var(--muted);
  font-size: 13px;
}
.hero-signal strong { color: var(--gold); }

.surface-band, .director-teaser, .social-teaser, .evidence-section, .operation-section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0;
}
.section-heading { max-width: 780px; margin-bottom: 44px; }
.workflow-line, .evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.workflow-line article, .evidence-grid article {
  min-height: 220px;
  border-right: 1px solid var(--line);
  padding: 28px 34px 0 0;
}
.workflow-line article:last-child, .evidence-grid article:last-child { border-right: 0; }
.workflow-line span { color: var(--gold); font-weight: 900; }
.workflow-line p, .director-teaser p, .evidence-grid p, .operation-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}
.evidence-grid strong { display: block; margin-bottom: 12px; font-size: 28px; }

.director-teaser {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(420px, 1fr);
  gap: 40px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.director-preview {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px) 0 0 / 48px 48px,
    #0e141a;
}
.director-preview span { position: absolute; }
.camera-mark {
  left: 12%;
  bottom: 16%;
  border: 1px solid rgba(98,217,255,.5);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--accent);
}
.stage-subject {
  width: 76px;
  height: 76px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.07);
  color: #e9f3f4;
  font-weight: 850;
}
.stage-subject.one { left: 48%; top: 45%; }
.stage-subject.two { left: 64%; top: 34%; }
.stage-light {
  right: 16%;
  top: 16%;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,208,121,.28), transparent 64%);
}
.stage-frame {
  left: 34%;
  top: 24%;
  width: 48%;
  height: 54%;
  border: 1px solid rgba(98,217,255,.36);
  border-radius: 8px;
}

.site-footer {
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  color: var(--muted);
}