:root {
  --bg: #0f111c;
  --card: #1a1d2e;
  --text: #e8eaf2;
  --muted: #8b90a5;
  --accent: #e85d04;
  --line: rgba(255, 255, 255, 0.1);
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 20px 0;
}

.logo {
  color: var(--text);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 16px;
  font-size: 0.92rem;
  font-weight: 600;
}

nav a[aria-current='page'] {
  color: var(--text);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 20px 48px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  margin: 0 0 12px;
  font-weight: 900;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 36rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.doc {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 20px 64px;
}

.doc h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 8px;
  font-weight: 900;
}

.doc h2 {
  margin-top: 2rem;
  font-size: 1.15rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0;
}

.doc ul {
  padding-left: 1.2rem;
}

.doc li {
  margin: 0.35rem 0;
}

.doc code {
  background: var(--card);
  padding: 0.1em 0.4em;
  border-radius: 6px;
  font-size: 0.9em;
}

.foot {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 0.85rem;
}