* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-accent: #0f172a;
  --panel: rgba(15, 23, 42, 0.78);
  --border: rgba(148, 163, 184, 0.2);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #f59e0b;
  --accent-soft: rgba(245, 158, 11, 0.12);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(245, 158, 11, 0.12), transparent 38%),
    linear-gradient(180deg, #020617 0%, #0f172a 100%);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
}

a {
  color: #fbbf24;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(2, 6, 23, 0.4);
  overflow: hidden;
}

.hero {
  padding: 40px 28px 28px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
}

.intro {
  margin: 16px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.nav a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
}

.nav a[aria-current="page"] {
  border-color: rgba(245, 158, 11, 0.5);
  background: var(--accent-soft);
  color: #fde68a;
}

.body {
  padding: 28px;
}

.body ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  line-height: 1.8;
}

.body li + li {
  margin-top: 12px;
}

.callout {
  margin-top: 28px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: 18px;
  padding: 18px 20px;
  background: var(--accent-soft);
}

.callout h2 {
  margin: 0;
  color: #fde68a;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.callout p {
  margin: 10px 0 0;
  color: var(--text);
  line-height: 1.7;
}

.footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a {
  color: #fcd34d;
}

@media (max-width: 640px) {
  .hero,
  .body {
    padding: 24px 20px;
  }
}