:root { --ground: #f7f8fa; --ink: #121212; --soft: #4a4f57; --accent: #d6006f; --band: #ffffff; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --ground: #121212; --ink: #f2f2f2; --soft: #b9bdc4; --accent: #ff4fa3; --band: #1c1c1c; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 26px; line-height: 1.2; margin: 48px 0 12px; }
p, li { max-width: 68ch; }
a { color: var(--accent); }
.lead { font-size: 19px; color: var(--soft); margin: 0 0 24px; }
.band { background: var(--band); padding: 24px; margin: 32px 0; }
[dir="rtl"] { font-family: "Geeza Pro", "Noto Kufi Arabic", Tahoma, Arial, sans-serif; }
footer { color: var(--soft); font-size: 15px; margin-top: 64px; }
nav a { margin-inline-end: 16px; }