:root {
  --ink: #fff6dd;
  --muted: #a39e8b;
  --dim: #6c6757;
  --gold: #ffc857;
  --bg: #05070a;
  --line: rgba(255, 246, 221, 0.12);
  --card: rgba(255, 246, 221, 0.03);
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

body {
  position: relative;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255, 200, 87, 0.10), transparent 70%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(182, 76, 255, 0.06), transparent 70%),
    linear-gradient(180deg, #0a0d14 0%, #05070a 60%, #02030a 100%);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 10, 0.78);
  backdrop-filter: blur(14px);
}

.page-header .home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.page-header .home img {
  height: 22px;
  width: auto;
  display: block;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.4));
}

.page-header nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 0.85rem;
}

.page-header nav a {
  color: var(--muted);
  text-decoration: none;
}

.page-header nav a[aria-current="page"],
.page-header nav a:hover {
  color: var(--gold);
}

main.doc {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) 0 96px;
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.doc .meta {
  margin: 0 0 32px;
  color: var(--dim);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.doc h2 {
  margin: 40px 0 12px;
  font-size: 1.2rem;
  letter-spacing: 0;
  color: var(--ink);
}

.doc h3 {
  margin: 24px 0 8px;
  font-size: 1rem;
  color: var(--ink);
}

.doc p,
.doc li {
  color: rgba(255, 246, 221, 0.82);
  font-size: 0.98rem;
  line-height: 1.65;
}

.doc p { margin: 0 0 14px; }

.doc ul,
.doc ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.doc li { margin-bottom: 6px; }

.doc a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 200, 87, 0.5);
}

.doc a:hover { text-decoration-color: var(--gold); }

.doc strong { color: var(--ink); }

.doc hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

.callout {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  padding: 16px 18px;
  margin: 8px 0 16px;
}

.callout p:last-child { margin-bottom: 0; }

.toc {
  margin: 0 0 32px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}

.toc h2 {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.toc ol {
  margin: 0;
  padding-left: 22px;
  font-size: 0.92rem;
}

.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--gold); }

.page-footer {
  border-top: 1px solid var(--line);
  padding: 24px 20px 32px;
  text-align: center;
  color: var(--dim);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.page-footer nav {
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 18px;
}

.page-footer nav a {
  color: var(--muted);
  text-decoration: none;
}

.page-footer nav a:hover { color: var(--gold); }