:root { color-scheme: light dark; --fg: #1c1c1e; --muted: #6c6c70; --bg: #f2f2f7; --card: #fff; --accent: #c62d24; }
@media (prefers-color-scheme: dark) { :root { --fg: #f2f2f7; --muted: #aeaeb2; --bg: #000; --card: #1c1c1e; --accent: #ff5e4e; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 32px; margin: 0 0 4px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 28px 0 6px 16px; font-weight: 600; }
section { background: var(--card); border-radius: 12px; padding: 12px 16px; }
p { margin: 0; } p + p { margin-top: 10px; }
.muted { color: var(--muted); } a { color: var(--accent); }
nav { margin-top: 32px; font-size: 15px; }