:root { color-scheme: light dark; --bg: #faf8f4; --fg: #1d1b18; --muted: #6f6a62; --accent: #2f6f5e; }
@media (prefers-color-scheme: dark) { :root { --bg: #161513; --fg: #f1eee8; --muted: #a39d93; --accent: #7cc3ac; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
.brand { font-weight: 700; font-size: 20px; color: var(--accent); margin: 0 0 4px; }
nav { margin-bottom: 32px; color: var(--muted); }
a { color: var(--accent); }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 20px; margin-top: 32px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
.muted { color: var(--muted); margin-top: 0; }
hr { border: 0; border-top: 1px solid color-mix(in srgb, var(--fg) 15%, transparent); margin: 56px 0; }