:root{
  --paper:#f4f5f1; --surface:#ffffff; --ink:#1c2622; --muted:#56635d; --line:#d9ddd6;
  --green:#1f5a4a; --green-soft:#e3ece7; --gold:#9a7428; --on-green:#ffffff;
  --display:"Lora","Amiri",Georgia,"Times New Roman",serif;
  --body:"Source Sans 3","Amiri","Segoe UI",system-ui,-apple-system,sans-serif;
  --arabic:"Amiri","Traditional Arabic","Times New Roman",serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#121715; --surface:#1a211e; --ink:#e4eae6; --muted:#9daba4; --line:#2c3632;
    --green:#6fbfa5; --green-soft:#1f2c27; --gold:#d2ad5c; --on-green:#0f1a16;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--body)}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
a{color:var(--green)}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;z-index:10}
.skip:focus{left:8px}

header.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px 16px;padding-block:14px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}
.brand .en{font:600 22px/1.1 var(--display)}
.brand .ar{font:700 20px/1 var(--arabic);color:var(--gold)}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--muted);padding:6px 12px;border-radius:999px;font-weight:600;font-size:15px}
nav a:hover{color:var(--ink)}
header nav a[aria-current="page"]{background:var(--green);color:var(--on-green)}

main{padding-block:40px 64px;display:grid;gap:0}
h1,h2,h3{font-family:var(--display);font-weight:600;text-wrap:balance;margin:0}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.15;margin-block:6px 10px}
h2{font-size:26px;line-height:1.2}
h3{font-size:19px;line-height:1.3}
p{margin:0}
.lede{font-size:19px;color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:600}
.stack{display:grid;gap:12px;align-content:start}

.hero{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:center}
.hero .stack{gap:18px}
.hero h1{margin:0}
.ar-panel{background:var(--green);color:var(--on-green);border-radius:14px;padding:32px 24px;text-align:center;display:grid;gap:10px}
.ar-panel .basmala{font:700 clamp(28px,4vw,40px)/1.6 var(--arabic)}
.ar-panel small{opacity:.85;font-size:14px}
.btnrow{display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;text-decoration:none;font-weight:600;font-size:15px;padding:8px 15px;border-radius:8px;border:1px solid var(--green);color:var(--green);background:transparent}
.btn.primary{background:var(--green);color:var(--on-green)}
.btn:hover{filter:brightness(1.08)}
.band{margin-top:48px;display:grid;gap:18px}
.band-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.pillars,.series{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:40px}
.pillar{border-top:2px solid var(--gold);padding-top:14px;display:grid;gap:8px;align-content:start}
.pillar p{color:var(--muted);font-size:16px}

.filters{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 4px}
.filters button{font:600 14px var(--body);padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.filters button[aria-pressed="true"]{border-color:var(--green);color:var(--green);background:var(--green-soft)}
.group{margin-top:34px;display:grid;gap:16px}
.group > h2{font-size:22px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.group > h2 .ar{font:400 22px var(--arabic);color:var(--gold)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px}
.book{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:start}
.cover{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:3px;box-shadow:0 1px 2px rgba(0,0,0,.18),0 6px 14px rgba(0,0,0,.12)}
.info{display:grid;gap:8px;min-width:0}
.info p{font-size:15px;color:var(--muted)}
.info .sub{margin-top:-4px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:600;letter-spacing:.04em;padding:2px 8px;border-radius:999px;background:var(--green-soft);color:var(--green)}
.chip.fmt{background:transparent;border:1px solid var(--line);color:var(--muted)}
.book .btn{font-size:14px;padding:6px 12px}

.feature{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;margin-top:24px}
.appimg{width:52px;height:52px;border-radius:13px;display:block}
.appimg.big{width:76px;height:76px;border-radius:18px}
.applist{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.app{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:center}
.app h3{font:600 16px/1.3 var(--body)}
.applinks{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;font-weight:600}

.about{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;margin-top:10px}
.bio{display:grid;gap:16px;max-width:62ch}
.facts{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:grid;gap:4px;align-content:start;margin:0}
.facts dt{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.facts dd{margin:0 0 10px}

.prose{max-width:68ch;display:grid;gap:12px;margin-top:10px}
.prose h2{font-size:21px;margin-top:14px}
.prose ul{margin:0;padding-left:1.2em;display:grid;gap:4px}

footer{border-top:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:12px 16px;flex-wrap:wrap;padding-block:22px}
footer nav a{font-weight:400;font-size:14px;padding:0 8px}

@media (max-width:760px){
  .hero,.about{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr}
  .book{grid-template-columns:76px 1fr}
  .grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:no-preference){ .btn,nav a{transition:background .15s,color .15s} }
.cover.appcover{aspect-ratio:1/1;border-radius:22%;box-shadow:0 1px 2px rgba(0,0,0,.18)}
.newsletter{margin-top:56px;padding:28px;border-radius:14px;background:var(--green-soft);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
@media (max-width:760px){.newsletter{grid-template-columns:1fr}}