:root {
  --bg: #fbfaf7;
  --fg: #1d1c1a;
  --muted: #6b6862;
  --accent: #c2611f;
  --card: #f2eee6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151413; --fg: #ece9e3; --muted: #a29e96; --accent: #f0904f; --card: #23211e; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 80px; }
a { color: var(--accent); }
.brand { margin: 0 0 24px; font-weight: 700; font-size: 18px; }
.brand a { color: var(--fg); text-decoration: none; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 36px 0 8px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.callout { background: var(--card); border-radius: 12px; padding: 16px; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
footer { color: var(--muted); font-size: 14px; margin-top: 48px; }