:root{--bg:#fff;--bg-soft:#f7f7fb;--surface:#fff;--primary:#6366f1;--primary-d:#4f46e5;--text:#1e1b2e;--text-2:#6b6478;--border:#ececf3;--radius:16px}@media (prefers-color-scheme:dark){:root{--bg:#100e1a;--bg-soft:#17142450;--surface:#191625;--text:#f1eef9;--text-2:#a79fc0;--border:#2a2438}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Vazirmatn,Tahoma,Segoe UI,system-ui,sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.topbar-inner{max-width:1100px;margin:0 auto;padding:14px 20px;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand,.topbar-inner{display:flex;align-items:center}.brand{gap:10px;font-weight:800;font-size:18px}.brand-badge{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-d));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}.tabnav{display:flex;gap:4px;flex-wrap:wrap}.tabnav a{padding:8px 14px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);transition:background .15s,color .15s;white-space:nowrap}.tabnav a:hover{background:var(--bg-soft);color:var(--text)}.hero{max-width:1100px;margin:0 auto;padding:72px 20px 40px;text-align:center}.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 14px;font-weight:800}.hero p{color:var(--text-2);font-size:17px;max-width:560px;margin:0 auto}.section{max-width:1100px;margin:0 auto;padding:56px 20px;scroll-margin-top:84px;border-top:1px solid var(--border)}.section-label{display:inline-block;color:var(--primary);font-weight:700;font-size:13px;background:color-mix(in srgb,var(--primary) 12%,transparent);padding:4px 12px;border-radius:999px;margin-bottom:14px}.section h2{font-size:clamp(22px,4vw,30px);margin:0 0 14px;font-weight:800}.section p.desc{color:var(--text-2);font-size:16px;white-space:pre-wrap;max-width:720px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:14px;gap:14px;margin-top:24px}.gallery img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border)}.empty-state{max-width:1100px;margin:0 auto;padding:80px 20px}.empty-state,.footer{text-align:center;color:var(--text-2)}.footer{padding:32px 20px 48px;font-size:13px}