:root {
  color-scheme: dark;
  --bg: #0b0d16;
  --panel: #15192a;
  --panel-2: #1b2034;
  --ink: #f4f2ff;
  --muted: #aaa8bd;
  --dim: #8988a6;
  --line: rgba(244, 242, 255, 0.1);
  --line-strong: rgba(244, 242, 255, 0.18);
  --accent: #8ad7ff;
  --accent-soft: #c7a8ff;
  --green: #77f5c7;
  --max: 1120px;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 10%, rgba(138, 215, 255, 0.12), transparent 30rem),
    linear-gradient(180deg, #0b0d16 0%, #101322 100%);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.nav {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 22, 0.9);
  backdrop-filter: blur(18px);
}

.nav-inner,
.doc-shell,
.footer-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.nav-inner {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand,
.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
  transform: rotate(-8deg);
}

.nav-actions a,
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 15px;
  color: var(--ink);
  text-decoration: none;
  font: 650 14px/1 var(--sans);
}

.nav-actions a:hover,
.button:hover {
  border-color: rgba(244, 242, 255, 0.35);
}

.doc-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 54px 0 90px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-soft);
  font: 700 0.78rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3.2rem, 9vw, 7rem);
  font-weight: 540;
  line-height: 1.02;
  letter-spacing: -0.075em;
}

.hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card,
.prose {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.card {
  padding: 22px;
}

.card h2,
.prose h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: -0.045em;
}

.card p,
.card li,
.prose p,
.prose li {
  color: var(--muted);
  line-height: 1.62;
}

.prose {
  padding: clamp(22px, 4vw, 42px);
}

.prose h3 {
  margin: 34px 0 10px;
  letter-spacing: -0.025em;
}

.prose code,
.prose pre {
  font-family: var(--mono);
}

.prose code {
  color: #f4efe3;
}

.prose pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #080a12;
  color: #f4f2ff;
  line-height: 1.55;
}

.github-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(138, 215, 255, 0.24);
  border-radius: 8px;
  padding: 16px;
  background: rgba(138, 215, 255, 0.06);
}

.github-strip span {
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  padding: 30px 0;
  color: var(--dim);
  font-size: 14px;
}

@media (min-width: 820px) {
  .doc-grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
  }
}