:root {
  --bg: #fbf8f2; --fg: #2b2620; --muted: #6b6257; --accent: #2f7d5b; --card: #ffffff; --line: #e6dfd3;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #17140f; --fg: #efe8dc; --muted: #b3a998; --accent: #6fcf9f; --card: #211d17; --line: #3a332a; }
}
* { 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: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
header a { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 20px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 28px; font-size: 15px; }
nav a { color: var(--accent); }
h1 { font-size: 30px; line-height: 1.2; margin: 8px 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--line); }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 40px; }
.lead { font-size: 19px; }
.features { padding-left: 20px; }
.features li { margin: 6px 0; }