:root {
  --bg: #071018;
  --panel: #0b1520;
  --panel-2: #101d2a;
  --card: rgba(255,255,255,.075);
  --card-strong: rgba(255,255,255,.12);
  --line: rgba(255,255,255,.12);
  --text: #f8fafc;
  --muted: #9eabba;
  --gold: #d7b56d;
  --gold-soft: rgba(215,181,109,.16);
  --green: #22c55e;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0,0,0,.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 76% 0%, rgba(56,189,248,.12), transparent 34rem),
    radial-gradient(circle at 20% 4%, rgba(215,181,109,.15), transparent 28rem),
    var(--bg);
  color: var(--text);
}

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

.demo-ribbon {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 34px;
  z-index: 100;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--gold), #f6e4a8);
  color: #10151f;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.sidebar {
  position: fixed;
  top: 34px;
  left: 0;
  bottom: 0;
  width: 292px;
  padding: 28px 22px;
  background: rgba(7,16,24,.86);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(18px);
  z-index: 20;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 34px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--gold), #f6e4a8);
  color: #10151f;
  font-weight: 950;
}

.brand strong {
  display: block;
  letter-spacing: -.03em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.side-nav a {
  color: var(--muted);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
}

.side-nav a:hover,
.side-nav a.active {
  color: var(--text);
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}

.sidebar-note {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.055);
  padding: 16px;
}

.sidebar-note span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.sidebar-note strong {
  display: block;
  margin-top: 6px;
  color: var(--green);
  font-size: 14px;
}

.main {
  margin-left: 292px;
  padding-top: 34px;
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 38px;
  align-items: center;
  padding: 74px min(6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(215,181,109,.24);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 800;
}

.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(44px, 6vw, 78px);
  line-height: .95;
  letter-spacing: -.07em;
}

.hero p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 18px;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #f6e4a8);
  color: #10151f;
}

.btn-secondary {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
}

.status-card {
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(215,181,109,.18), transparent 20rem),
    rgba(255,255,255,.06);
  border-radius: 34px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.card-top {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
}

.card-top span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.28);
}

.status-card h3 {
  font-size: 30px;
  margin: 0 0 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.metric-grid div {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  border-radius: 20px;
  padding: 20px;
}

.metric-grid strong {
  display: block;
  font-size: 34px;
}

.metric-grid small {
  color: var(--muted);
}

.section {
  padding: 78px min(6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.section.soft {
  background: rgba(255,255,255,.035);
}

.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-head h2 {
  margin: 16px 0 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -.05em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.module-card,
.sample-card,
.loading {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  min-height: 210px;
}

.module-card span,
.sample-card span {
  display: inline-flex;
  color: var(--gold);
  font-weight: 900;
  margin-bottom: 10px;
}

.module-card h3,
.sample-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -.03em;
}

.module-card p,
.sample-card p,
.loading {
  color: var(--muted);
  line-height: 1.65;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.timeline div {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
}

.timeline span {
  display: inline-flex;
  color: var(--gold);
  font-weight: 900;
  margin-bottom: 10px;
}

.timeline h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.timeline p {
  color: var(--muted);
  line-height: 1.65;
}

.cta {
  margin: 78px min(6vw, 76px);
  border: 1px solid rgba(215,181,109,.28);
  background: linear-gradient(135deg, rgba(215,181,109,.18), rgba(255,255,255,.05));
  border-radius: 34px;
  padding: 34px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.cta h2 {
  margin: 14px 0 8px;
  font-size: clamp(30px, 4vw, 50px);
  letter-spacing: -.05em;
}

.cta p {
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .sidebar {
    position: static;
    width: auto;
    padding-top: 54px;
  }

  .sidebar-note {
    position: static;
    margin-top: 18px;
  }

  .main {
    margin-left: 0;
    padding-top: 0;
  }

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

  .grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .demo-ribbon {
    font-size: 10px;
  }

  .hero,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .cta {
    margin-left: 18px;
    margin-right: 18px;
    flex-direction: column;
    align-items: flex-start;
  }
}