:root{
  --bg:#f7f9fc;--surface:#ffffff;--ink:#182033;--muted:#5d6b82;--brand:#7c3aed;--brand-2:#06b6d4;--soft:#e8f0ff;--line:#dbe4f0;--warn:#fff7ed;--ok:#ecfdf5;--bad:#fef2f2;
  --shadow:0 10px 28px rgba(20,35,70,.08);--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:1.95;font-size:17px;direction:rtl;text-align:right}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.ltr{direction:ltr;unicode-bidi:embed}.container{width:min(1120px,92%);margin:auto}.site-header{background:linear-gradient(135deg,#102a63,#2563eb 65%,#38bdf8);color:white;padding:26px 0 50px}.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.brand{font-weight:800;font-size:1.2rem;color:#fff}.nav a{color:#fff;opacity:.95}.hero{padding-top:36px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.hero h1{font-size:clamp(2rem,5vw,4rem);line-height:1.45;margin:0 0 12px}.hero p{font-size:1.08rem;color:#eaf2ff;margin:0 0 20px}.hero-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);padding:24px;backdrop-filter:blur(8px)}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff!important;border:0;border-radius:999px;padding:12px 20px;font-weight:700;box-shadow:var(--shadow);cursor:pointer}.btn.secondary{background:#fff;color:var(--brand)!important}.main{padding:36px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card h3{margin-top:0;line-height:1.55}.badge{display:inline-block;background:var(--soft);color:#1746a2;border-radius:999px;padding:4px 12px;font-size:.86rem;font-weight:700}.module-list{display:grid;gap:14px;margin-top:18px}.topic-link{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px 18px;box-shadow:var(--shadow)}.topic-number{width:42px;height:42px;border-radius:14px;background:var(--soft);display:grid;place-items:center;color:var(--brand);font-weight:900}.topic-link p{margin:2px 0 0;color:var(--muted);font-size:.95rem}.content-layout{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:start}.toc{position:sticky;top:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.toc ul{padding:0;margin:0;list-style:none}.toc li{margin:7px 0}.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.article h1,.article h2,.article h3{line-height:1.55}.article h1{font-size:clamp(1.8rem,4vw,3rem);margin-top:0}.article h2{margin-top:34px;border-bottom:1px solid var(--line);padding-bottom:6px}.article p{color:#26324a}.article li{margin-bottom:8px}.note,.example,.warning{border-radius:18px;padding:16px 18px;margin:18px 0}.note{background:var(--soft);border:1px solid #cfe0ff}.example{background:var(--ok);border:1px solid #bbf7d0}.warning{background:var(--warn);border:1px solid #fed7aa}.visual{display:grid;place-items:center;background:#f8fbff;border:1px solid var(--line);border-radius:20px;padding:16px;margin:20px 0}.visual img{max-width:100%;height:auto}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}table{width:100%;border-collapse:collapse;background:#fff;min-width:640px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f1f6ff;color:#12326b}.quiz{margin-top:34px;background:#f8fbff;border:1px solid var(--line);border-radius:22px;padding:22px}.q{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;margin:14px 0}.q p{font-weight:800;margin-top:0}.q label{display:block;padding:8px 10px;border-radius:12px;cursor:pointer}.q label:hover{background:#f1f6ff}.result{margin-top:14px;font-weight:800}.correct{background:var(--ok)!important}.incorrect{background:var(--bad)!important}.footer{padding:30px 0;color:var(--muted);text-align:center}.topbar{background:#fff;border-bottom:1px solid var(--line);padding:12px 0;position:sticky;top:0;z-index:10}.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:10px}.progress{height:9px;background:#e6edf7;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));width:0}.page-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.small{font-size:.92rem;color:var(--muted)}
@media(max-width:860px){body{font-size:16px}.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.content-layout{grid-template-columns:1fr}.toc{position:relative;top:auto}.two-col{grid-template-columns:1fr}.article{padding:22px}.topic-link{grid-template-columns:auto 1fr}.topic-link .arrow{display:none}.topbar .container{align-items:flex-start;flex-direction:column}.nav{align-items:flex-start}.site-header{padding-bottom:32px}}
@media(max-width:520px){.container{width:94%}.article{padding:18px}.card{padding:18px}.hero h1{font-size:1.8rem}.btn{width:100%;justify-content:center}.topic-link{padding:14px}.toc{padding:15px}}

.callout-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mini-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill{background:#f3e8ff;color:#4c1d95;border-radius:999px;padding:5px 12px;font-weight:700}.prompt-box{direction:rtl;background:#111827;color:#f9fafb;border-radius:18px;padding:18px;margin:16px 0;white-space:pre-wrap}.checklist li{list-style:"✓  ";padding-right:4px}.mistake li{list-style:"✕  ";padding-right:4px}.scenario{background:#faf5ff;border:1px solid #e9d5ff;border-radius:18px;padding:16px;margin:16px 0}@media(max-width:860px){.callout-grid{grid-template-columns:1fr}}