:root { color-scheme: dark; }
html, body { margin: 0; background: #080809; color: #fff; }
body { font: 17px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 420px; margin: 0 auto; padding: 72px 24px; }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 16px; }
p { color: rgba(255, 255, 255, 0.7); margin: 0 0 12px; }