:root { color-scheme: dark; }
body { margin: 0; background: #0B0B0D; color: #F4F4F5; font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 32px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: #C9C9D0; }
a { color: #FF4D2E; }
.brand { font-weight: 800; letter-spacing: 0.5px; color: #FF4D2E; font-size: 14px; text-transform: uppercase; }
.muted { color: #9A9AA3; font-size: 14px; }
nav a { margin-right: 16px; }