:root { color-scheme: light dark; --bg: #fbfaf6; --fg: #1d2b26; --muted: #55645e; --accent: #0f6b4f; }
@media (prefers-color-scheme: dark) { :root { --bg: #14201b; --fg: #e8efe9; --muted: #a5b3ac; --accent: #62c9a4; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.25rem 1.5rem; }
h1 { font-size: 2.2rem; line-height: 1.2; margin: 0 0 .5rem; color: var(--accent); }
h2 { font-size: 1.2rem; margin: 2rem 0 .4rem; }
.lead { font-size: 1.2rem; color: var(--muted); margin-top: 0; }
a { color: var(--accent); }
ul { padding-left: 1.25rem; }
footer { max-width: 42rem; margin: 0 auto; padding: 1rem 1.25rem 3rem; color: var(--muted); font-size: .9rem; }