:root {
  --bg: #ffffff;
  --text: #0a0a0a;
  --muted: #5c5a57;
  --line: #e7e5e2;
  --accent: #ff7a00;
  --accent-text: #c25700;
  --panel: #f6f5f3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161412;
    --text: #f5f1ec;
    --muted: #b3aca4;
    --line: #2e2a26;
    --accent-text: #ff9a3d;
    --panel: #1f1c19;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.wordmark { font-weight: 800; font-size: 22px; letter-spacing: 0.04em; color: var(--text); text-decoration: none; }
.wordmark span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 14px; }
nav a:hover { color: var(--text); }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent-text); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 16px 0; }
ol, ul { padding-left: 22px; }
footer { padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 480px) { h1 { font-size: 26px; } nav a { margin-left: 10px; } }