:root { --bg: #FFFFFF; --ink: #10202F; --muted: #566577; --line: #DCE3EC; --accent: #B8460E; }
@media (prefers-color-scheme: dark) { :root { --bg: #0E1620; --ink: #E7EDF4; --muted: #9AA9B9; --line: #2A3847; --accent: #F08A52; color-scheme: dark; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 Inter, 'Segoe UI', system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px max(18px, env(safe-area-inset-right)) 60px max(18px, env(safe-area-inset-left)); }
header { border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 24px; }
.brand { font-weight: 700; letter-spacing: 0.02em; color: var(--accent); }
h1 { font-size: 30px; line-height: 1.2; margin: 6px 0 4px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
p, li { max-width: 68ch; }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
nav { margin-top: 10px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
footer { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 14px; font-size: 14px; color: var(--muted); }
img { max-width: 100%; border: 1px solid var(--line); }