:root{
  --bg:#0d1014; --panel:#151a21; --panel2:#1b222b; --line:#f8803061;
  --ink:#e8edf3; --ink2:#9aa7b5; --ink3:#66727f;
  --nav:#070a0d; --nav-line:#1c242c;
  --accent:#ff6a00; --accent-dim:#ff6a0022; --sec-ink:#fe6600;
  --radius:12px;
}
:root[data-theme="light"]{
  --bg:#f4f6f9; --panel:#ffffff; --panel2:#f2f4f8;
  --ink:#161b22; --ink2:#4d5865; --ink3:#8792a1;
  --nav:#0d1014; --nav-line:#20272f;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f4f6f9; --panel:#ffffff; --panel2:#f2f4f8;
    --ink:#161b22; --ink2:#4d5865; --ink3:#8792a1;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
:root[lang="ar"] body,body[dir="rtl"]{
  font-family:"Segoe UI","Noto Naskh Arabic",Tahoma,system-ui,sans-serif;line-height:1.9}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

header.site{background:var(--nav);border-bottom:1px solid var(--nav-line);position:sticky;top:0;z-index:20}
header.site .in{max-width:1080px;margin-inline:auto;padding:10px 20px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap}
header.site img{height:44px;width:auto}
header.site nav{display:flex;gap:16px;flex-wrap:wrap;margin-inline-start:auto;font-size:14px}
header.site nav a{color:#c9d3dd}
header.site nav a.cta{background:var(--accent);color:#150c04;font-weight:700;
  padding:6px 14px;border-radius:8px}
header.site nav a.cta:hover{text-decoration:none;filter:brightness(1.08)}

main{max-width:820px;margin-inline:auto;padding:34px 20px 60px}
main.wide{max-width:1080px}
h1{font-size:clamp(26px,4vw,38px);line-height:1.25;margin:0 0 14px}
h2{font-size:clamp(20px,2.6vw,26px);margin:38px 0 12px;color:var(--ink)}
h3{font-size:17px;margin:24px 0 8px;color:var(--sec-ink)}
p,li{color:var(--ink2)}
main p:first-of-type{font-size:17.5px;color:var(--ink)}
ul,ol{padding-inline-start:22px}
li{margin:6px 0}
strong{color:var(--ink)}

.lede{font-size:18px;color:var(--ink)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;margin:22px 0}
.card h3{margin-top:0}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px;display:block;overflow-x:auto}
/* Latin/numeric runs inside Arabic text — "1920 × 544", "320–480" — are wrapped
   in <bdi> in the content so the bidi algorithm cannot reverse them. */
bdi{unicode-bidi:isolate}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
th{color:var(--ink);font-weight:700;white-space:nowrap}
td{color:var(--ink2)}
.big{font-size:15px;color:var(--accent);font-weight:700}

.cats{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));margin:22px 0}
.cat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.cat h3{margin:0 0 6px;font-size:15px}
.cat .n{color:var(--ink3);font-size:12.5px;margin:0 0 8px}
.cat ul{margin:0;padding-inline-start:18px;font-size:13.5px}
.cat li{margin:3px 0;color:var(--ink2)}

.faq{margin:14px 0}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:12px 16px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:650;color:var(--ink)}
.faq details[open] summary{color:var(--sec-ink);margin-bottom:8px}

.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.btn{background:var(--accent);color:#150c04;font-weight:700;padding:11px 20px;border-radius:9px}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}

footer.site{border-top:1px solid var(--line);margin-top:40px}
footer.site .in{max-width:1080px;margin-inline:auto;padding:22px 20px;
  display:flex;gap:20px;flex-wrap:wrap;font-size:13.5px;color:var(--ink3)}
footer.site a{color:var(--ink2)}
footer.site nav{display:flex;gap:16px;flex-wrap:wrap;margin-inline-start:auto}