:root { color-scheme: light dark; --bg: #fbfaf8; --fg: #1f1f1d; --muted: #5f5e5a; --accent: #2f6f4f; --line: #e2e0d9; }
@media (prefers-color-scheme: dark) { :root { --bg: #1d1d1b; --fg: #ecebe6; --muted: #a8a69e; --accent: #7cc7a0; --line: #3a3a36; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 18px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.4rem; }
p, li { margin: 0.6rem 0; }
.muted { color: var(--muted); font-size: 0.95rem; }
a { color: var(--accent); }
nav { margin: 0 0 2rem; font-size: 0.95rem; }
nav a { margin-right: 1.2rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }