:root {
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #5d6170;
  --line: #e4e6eb;
  --card: #f7f8fa;
  --accent: #ad5233;
  --on-accent: #ffffff;
  --code: #f2f3f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e8e9ec;
    --muted: #9aa0ad;
    --line: #262a33;
    --card: #161920;
    --accent: #e8906f;
    --on-accent: #0f1115;
    --code: #1c2028;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

main, .top, .foot { max-width: 920px; margin: 0 auto; padding: 0 20px; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.top nav a { margin-left: 18px; text-decoration: none; color: var(--muted); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }

.hero { padding: 48px 0 16px; }
h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.15; margin: 8px 0 12px; }
h2 { margin-top: 40px; }
h3 { margin-top: 28px; color: var(--muted); font-size: 15px; text-transform: uppercase; letter-spacing: .06em; }
.lead { font-size: 18px; color: var(--muted); max-width: 720px; }
.eyebrow { color: var(--accent); font-weight: 600; margin: 32px 0 0; }
.muted { color: var(--muted); font-size: 14px; }

pre, code { font-family: ui-monospace, Consolas, "Courier New", monospace; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: 14px; }
code { background: var(--code); padding: 1px 5px; border-radius: 5px; font-size: .92em; }
pre code { background: none; padding: 0; }

table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--card); }

.cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.cards a { display: block; height: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--fg); text-decoration: none; transition: border-color .2s; }
.cards a:hover { border-color: var(--accent); }
.cards strong { display: block; margin-bottom: 4px; }
.cards span { color: var(--muted); font-size: 14px; }

.button { display: inline-block; padding: 10px 18px; border-radius: 10px; background: var(--accent); color: var(--on-accent); text-decoration: none; font-weight: 600; }

.foot { margin-top: 56px; padding-top: 20px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

img { max-width: 100%; height: auto; border-radius: 10px; }
.demo { margin: 0 0 20px; }
.demo figcaption { color: var(--muted); font-size: 14px; margin-top: 6px; }