:root{
  --paper:#ffffff; --surface:#f2f5f7; --ink:#0f1b24; --muted:#5b6b78;
  --line:#dde5ea; --brand:#14536b; --brand-dark:#0b2f3f; --accent:#c08a2e;
  --radius:14px; --wrap:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.85}
h1,h2,h3{font-family:"Readex Pro","IBM Plex Sans Arabic",sans-serif;line-height:1.35;margin:0 0 .6rem}
h1{font-size:clamp(2rem,4.6vw,3.05rem);font-weight:600;letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,2.6vw,1.85rem);font-weight:600}
h3{font-size:1.1rem;font-weight:600}
p{margin:0 0 1rem}
a{color:var(--brand);text-underline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.72rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 .9rem}

.site-head{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:20}
.head-row{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Readex Pro",sans-serif;
  font-weight:600;font-size:1.1rem;color:var(--ink);text-decoration:none}
.brand svg{width:26px;height:26px;flex:none}
.nav{margin-inline-start:auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav a:hover,.nav a.on{color:var(--brand)}
.nav a.lang{border:1px solid var(--line);border-radius:999px;padding:2px 13px;
  font-family:"IBM Plex Mono",monospace;font-size:.76rem;color:var(--ink)}

.hero{background:var(--brand-dark);color:#eaf2f6;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2;padding:76px 22px;max-width:860px;margin-inline:auto;margin-inline-start:auto}
.hero h1{color:#fff}
.hero p{color:#b7ccd8;font-size:1.05rem;max-width:56ch}
.hero-art{position:absolute;inset:0;z-index:1;opacity:.55;width:100%;height:100%}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;padding:11px 22px;border-radius:999px;text-decoration:none;
  font-size:.95rem;font-weight:500;border:1px solid transparent}
.btn-main{background:var(--accent);color:#17222b}
.btn-main:hover{background:#d29a3c}
.btn-ghost{border-color:#3c5c6e;color:#dbe8ef}
.btn-ghost:hover{border-color:#7196a8}

.section{padding:64px 0;border-bottom:1px solid var(--line)}
.section.alt{background:var(--surface)}
.lede{color:var(--muted);max-width:62ch}
.grid{display:grid;gap:18px;margin-top:30px}
.g2{grid-template-columns:repeat(auto-fit,minmax(265px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(225px,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.35rem}
.card p{color:var(--muted);margin-bottom:0;font-size:.95rem}
.card .more{display:inline-block;margin-top:14px;font-size:.92rem;text-decoration:none;
  border-bottom:1px solid var(--accent);padding-bottom:2px}
.tag{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.67rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--brand);background:#e4eef3;
  border-radius:999px;padding:3px 11px;margin-bottom:12px}

.doc{max-width:74ch}
.doc h2{margin-top:2.3rem}
.doc h3{margin-top:1.5rem}
.doc ul{padding-inline-start:1.15rem;color:var(--muted)}
.doc li{margin-bottom:.5rem}
.updated{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--muted)}
.callout{border-inline-start:3px solid var(--accent);background:var(--surface);
  padding:16px 20px;border-radius:8px;margin:22px 0}
.callout p{margin:0;font-size:.95rem}

.flist{list-style:none;padding:0;margin:26px 0 0}
.flist li{border-top:1px solid var(--line);padding:16px 0;display:flex;gap:16px;align-items:flex-start}
.flist .n{font-family:"IBM Plex Mono",monospace;color:var(--accent);font-size:.8rem;padding-top:.35rem;flex:none}
.flist b{display:block;font-weight:600}
.flist .d{color:var(--muted);font-size:.95rem}

.site-foot{padding:38px 0;color:var(--muted);font-size:.9rem}
.foot-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.foot-row a{color:var(--muted);text-decoration:none}
.foot-row a:hover{color:var(--brand)}
.foot-row .sep{margin-inline-start:auto}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:no-preference){
  .hero .wrap{animation:rise .55s ease-out both}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}
@media (max-width:640px){
  .head-row{min-height:0;padding:12px 0;flex-wrap:wrap;gap:12px}
  .nav{gap:14px;width:100%;margin-inline-start:0}
  .section{padding:48px 0}
  .hero .wrap{padding:56px 22px}
}