:root { --bg: #0b1320; --fg: #e9eef6; --muted: #8a9ab3; --accent: #74b4e8; --line: #24354f; color-scheme: dark; }
@media (prefers-color-scheme: light) { :root { --bg: #f3f6fa; --fg: #0f1a2b; --muted: #5b6b82; --accent: #2f7fc1; --line: #cfd9e6; color-scheme: light; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 "Segoe UI", system-ui, sans-serif; padding: 32px 16px 64px; }
main { max-width: 720px; margin: 0 auto; }
header { display: flex; align-items: baseline; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 24px; }
.logo { font: 900 30px/1 Impact, "Arial Narrow", sans-serif; text-transform: uppercase; letter-spacing: .5px; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 4px; text-wrap: balance; }
h2 { font-size: 19px; margin: 28px 0 6px; }
p, li { max-width: 68ch; }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }