:root { color-scheme: light dark; --bg: #ffffff; --fg: #1d1d1f; --muted: #6e6e73; --accent: #c2410c; --card: #f5f5f7; }
@media (prefers-color-scheme: dark) { :root { --bg: #000000; --fg: #f5f5f7; --muted: #a1a1a6; --card: #1c1c1e; --accent: #fb923c; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 4px; }
.lead { font-size: 1.2rem; font-weight: 600; margin: 0 0 16px; }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--card); padding: 1px 5px; border-radius: 5px; }
ol { padding-left: 22px; }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.icon { width: 96px; height: 96px; border-radius: 22px; display: block; margin: 0 0 20px; }
.button { display: inline-block; background: #c2410c; color: #fff; font-weight: 600; padding: 12px 20px; border-radius: 12px; }
.card { background: var(--card); border-radius: 16px; padding: 20px 24px; margin: 24px 0; }
ul { padding-left: 20px; }
footer { margin-top: 48px; font-size: 0.9rem; }