:root{--bg:#f3f8f8;--card:#fff;--text:#14313a;--muted:#5d7780;--line:#dbe8ea;--p:#1fa9ab;--p2:#157f82}
@media (prefers-color-scheme:dark){:root{--bg:#0b1416;--card:#122023;--text:#e4f0f1;--muted:#8aa5aa;--line:#21363a;--p:#29b9bb;--p2:#1d9597}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans Arabic",system-ui,-apple-system,Segoe UI,Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.8}
a{color:var(--p)}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--text);white-space:nowrap}
.brand img{width:40px;height:40px;border-radius:10px;object-fit:cover}
nav{display:flex;gap:4px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--muted);padding:6px 10px;border-radius:8px;font-size:14px}nav a:hover{background:var(--line);color:var(--text)}
.hero{text-align:center;padding:40px 0 24px}
.hero img{width:100%;max-width:440px;border-radius:16px;box-shadow:0 8px 28px rgba(0,0,0,.18)}
.hero h1{margin:20px 0 4px;font-size:30px}.hero p{margin:0;color:var(--muted)}
.btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;background:var(--p);color:#fff;text-decoration:none;padding:11px 20px;border-radius:10px;font-weight:600}.btn:hover{background:var(--p2)}
.btn.alt{background:transparent;color:var(--text);border:1px solid var(--line)}
section{padding:18px 0}
h2{font-size:22px;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.card h3{margin:0 0 6px;font-size:16px;color:var(--p)}.card p{margin:0;color:var(--muted);font-size:14px}
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}dt{color:var(--muted)}dd{margin:0}
.ltr{direction:ltr;unicode-bidi:isolate}
.en{direction:ltr;text-align:left}
footer{border-top:1px solid var(--line);margin-top:28px;padding:18px 0;color:var(--muted);font-size:13px;text-align:center}
.doc h3{font-size:16px;margin:18px 0 4px}.doc p{margin:0 0 6px}