:root { --bg: #f4f5f3; --text: #16181c; --muted: #5a6068; --line: #dadddb; --accent: #2a7a6d; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg: #14161a; --text: #ece8e1; --muted: #a1a7af; --line: #2c313a; --accent: #7cc4b8; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.75 'IBM Plex Sans', 'IBM Plex Sans Arabic', system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; display: flex; flex-direction: column; gap: 40px; }
a { color: var(--accent); }
h1 { font-size: 32px; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 24px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
section + section { border-top: 1px solid var(--line); padding-top: 40px; }
section[lang="ar"] { font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif; }