:root {
  color-scheme: light dark;
  --background: #f6f7fb;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #15171c;
  --muted: #5e6470;
  --line: #d9dce4;
  --accent: #5d36d8;
  --accent-soft: #eee9ff;
  --warning: #8b4c00;
  --warning-soft: #fff2dc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #101116;
    --surface: rgba(28, 30, 38, 0.9);
    --text: #f5f6fa;
    --muted: #b5bac7;
    --line: #3a3e49;
    --accent: #b9a6ff;
    --accent-soft: #2b2545;
    --warning: #ffd08b;
    --warning-soft: #3b2d19;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 20% 0%, var(--accent-soft), transparent 34rem), var(--background); color: var(--text); line-height: 1.65; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
header, main, footer { width: min(880px, calc(100% - 32px)); margin-inline: auto; }
header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; }
.brand { color: var(--text); font-weight: 750; letter-spacing: -0.02em; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.94rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--text); font-weight: 650; }
main { padding: 48px 0 72px; }
.hero { padding: 56px 0 40px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 0.78rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -0.025em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { margin-top: 48px; font-size: clamp(1.55rem, 4vw, 2rem); }
h3 { margin-top: 30px; font-size: 1.12rem; }
.lede { max-width: 700px; margin: 24px 0; color: var(--muted); font-size: 1.16rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; min-height: 44px; align-items: center; border: 1px solid var(--accent); border-radius: 999px; padding: 9px 18px; font-weight: 700; text-decoration: none; }
.button-primary { background: var(--accent); color: white; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 28px 0; }
.card, .notice { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); padding: 22px; }
.card h3 { margin-top: 0; }
.card p:last-child, .notice p:last-child { margin-bottom: 0; }
.notice { border-color: color-mix(in srgb, var(--warning) 45%, var(--line)); background: var(--warning-soft); }
.notice strong { color: var(--warning); }
code { border-radius: 5px; background: var(--accent-soft); padding: 0.12em 0.35em; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
pre { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 16px; }
pre code { background: transparent; padding: 0; }
li + li { margin-top: 8px; }
.meta { color: var(--muted); font-size: 0.92rem; }
footer { border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted); font-size: 0.9rem; }
footer p { margin: 4px 0; }
@media (max-width: 620px) { header { align-items: flex-start; flex-direction: column; } main { padding-top: 24px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }