:root { --bg: #fbfaf7; --fg: #1b1a17; --muted: #5d5a52; --line: #e4e0d6; --accent: #e8452c; }
@media (prefers-color-scheme: dark) { :root { --bg: #121110; --fg: #f1eee8; --muted: #a9a49a; --line: #2c2a26; --accent: #ff6a4d; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 80px; }
nav { display: flex; gap: 16px; font-size: 15px; margin-bottom: 40px; }
a { color: var(--accent); }
h1 { font-size: 40px; line-height: 1.1; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 32px 0 6px; }
p, li { color: var(--muted); }
.meta { font-size: 14px; color: var(--muted); margin: 0 0 32px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 56px 0; }