:root{
  --bg:#f7f7fb;--surface:#ffffff;--ink:#1b1d2a;--muted:#5d6375;--brand:#304ffe;--brand2:#00a884;--warn:#b25b00;--danger:#b3261e;--soft:#eef2ff;--line:#e3e6ef;--shadow:0 12px 35px rgba(20,30,60,.10);--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Nastaliq Urdu","Noto Naskh Arabic","Segoe UI",Tahoma,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:2.05;font-size:17px}a{color:inherit;text-decoration:none}.container{max-width:1120px;margin:auto;padding:0 20px}.site-header{background:linear-gradient(135deg,#18204f,#304ffe 55%,#00a884);color:#fff;padding:18px 0 46px}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:8px 0}.brand{font-weight:800;font-size:20px}.nav a:not(.brand){background:rgba(255,255,255,.14);padding:7px 13px;border-radius:999px}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;margin-top:26px}.badge{display:inline-flex;background:rgba(255,255,255,.17);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:4px 12px;margin-bottom:12px}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.45;margin:0 0 12px}.hero p{font-size:19px;color:#edf1ff}.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);box-shadow:var(--shadow);border-radius:var(--radius);padding:22px}.btn{display:inline-block;background:#fff;color:#1b2aa5;padding:10px 18px;border-radius:14px;font-weight:800;margin-top:12px}.btn.secondary{background:#eafff8;color:#006f58}.main{padding:34px 0 54px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}h2,h3{line-height:1.55;margin-top:0}h2{font-size:30px}h3{font-size:23px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.two{grid-template-columns:repeat(2,1fr)}.module-list{display:grid;gap:14px}.topic-link{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 8px 22px rgba(10,20,50,.06);transition:.2s}.topic-link:hover{transform:translateY(-2px);border-color:#c8d0ff}.topic-number{width:44px;height:44px;display:grid;place-items:center;background:var(--soft);color:var(--brand);border-radius:14px;font-weight:900}.topic-link p{margin:.2rem 0 0;color:var(--muted)}.arrow{color:var(--brand);font-weight:900}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.pill{background:var(--soft);color:#2435af;border-radius:999px;padding:5px 12px;font-weight:700}.lesson-layout{display:grid;grid-template-columns:260px 1fr;gap:22px}.side{position:sticky;top:14px;align-self:start}.side a{display:block;padding:9px 11px;border-radius:12px;color:var(--muted)}.side a:hover{background:var(--soft);color:var(--brand)}.lesson h1{font-size:42px;line-height:1.45;margin:0 0 10px}.lesson .lead{font-size:20px;color:var(--muted)}.section{margin-top:20px}.note{border-right:5px solid var(--brand2);background:#effdf8;padding:16px 18px;border-radius:16px}.warning{border-right:5px solid var(--warn);background:#fff7ed;padding:16px 18px;border-radius:16px}.danger{border-right:5px solid var(--danger);background:#fff0ef;padding:16px 18px;border-radius:16px}.example{background:#f7f9ff;border:1px dashed #bbc5ff;border-radius:16px;padding:16px}.table-wrap{overflow:auto}.simple-table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.simple-table th,.simple-table td{border:1px solid var(--line);padding:12px;text-align:right}.simple-table th{background:#eef2ff}.checklist li{margin-bottom:6px}.quiz{margin-top:26px;background:#fff;border:2px solid #dfe5ff;border-radius:22px;padding:22px}.question{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}.question label{display:block;background:#f7f7fb;margin:7px 0;padding:9px 12px;border-radius:12px;cursor:pointer}.quiz button{border:0;background:var(--brand);color:#fff;padding:11px 18px;border-radius:14px;font-weight:800;cursor:pointer}.result{font-weight:900;margin-top:14px}.footer{background:#11182f;color:#cfd6ff;padding:24px 0}.nextprev{display:flex;justify-content:space-between;gap:12px;margin-top:22px}.nextprev a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 15px;box-shadow:0 6px 18px rgba(20,30,60,.06)}img.visual{max-width:100%;height:auto;border-radius:18px;background:#fff}@media(max-width:850px){.hero,.lesson-layout,.grid,.two{grid-template-columns:1fr}.side{position:static}.lesson h1{font-size:32px}.container{padding:0 16px}.site-header{padding-bottom:32px}.topic-link{grid-template-columns:auto 1fr}.arrow{display:none}}@media(max-width:520px){body{font-size:16px}.nav{flex-direction:column;align-items:flex-start}.card{padding:18px}.hero-card{padding:16px}.nextprev{flex-direction:column}.simple-table{font-size:15px}}