:root {
  --bg: #ffffff;
  --fg: #1a1a1f;
  --muted: #5a5a68;
  --border: #e6e6ec;
  --link: #6d3bef;
  --card: #f7f7fa;
  --grad: linear-gradient(120deg, #14b8b8, #6d3bef);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f14;
    --fg: #ededf2;
    --muted: #9a9aa8;
    --border: #26262f;
    --link: #a889ff;
    --card: #17171f;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 96px; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.brand {
  font-weight: 700; font-size: 20px; letter-spacing: -0.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
header.site { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 56px; }
header.site nav a { color: var(--muted); font-size: 14px; margin-left: 18px; }
header.site nav a:hover { color: var(--fg); }
h1 { font-size: 34px; letter-spacing: -0.03em; line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 20px; letter-spacing: -0.01em; margin: 40px 0 10px; }
.lede { font-size: 18px; color: var(--muted); margin: 0 0 32px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 40px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 8px; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  background: var(--grad); color: #fff;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin: 20px 0; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
code { background: var(--card); border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px; font-size: 13px; }
footer.site { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--fg); }