:root{--blue:#1769e0;--blue-dark:#0d4fb3;--blue-soft:#eef5ff;--ink:#111827;--text:#344054;--muted:#667085;--line:#e7ecf3;--bg:#f7f9fc;--white:#fff;--green:#087443;--shadow:0 18px 55px #142b4b17;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:Vazirmatn,Tahoma,sans-serif;line-height:1.9}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}:focus-visible{outline-offset:3px;border-radius:6px;outline:3px solid #9cc2ff}.container{width:min(1180px,100% - 32px);margin:auto}h1,h2,h3{letter-spacing:-.4px;margin-top:0}p{margin-top:0}.muted{color:var(--muted)}.header{z-index:50;backdrop-filter:blur(18px);background:#ffffffe0;border-bottom:1px solid #e7ecf3cc;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:24px;height:76px;display:flex}.brand{letter-spacing:-.5px;align-items:center;gap:10px;font-size:1.35rem;font-weight:900;display:flex}.brand-mark{width:42px;height:42px;color:var(--blue);background:var(--blue-soft);border:1px solid #dbe9ff;border-radius:13px;place-items:center;display:grid;overflow:hidden}.brand-mark img{object-fit:contain;width:100%;height:100%}.brand span:not(.brand-mark){color:var(--blue)}.nav-links{color:var(--muted);gap:30px;font-size:.9rem;font-weight:700;display:flex}.nav-links a:hover,.nav-links a[aria-current]{color:var(--blue)}.nav-cta{background:var(--blue);color:#fff;border-radius:13px;padding:10px 17px;font-weight:900;box-shadow:0 10px 25px #1769e02e}.btn{background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:15px;justify-content:center;align-items:center;gap:9px;min-height:52px;padding:11px 20px;font-weight:900;transition:all 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h2{margin-bottom:10px;font-size:1.15rem;line-height:1.6}.post-card p{color:var(--muted);flex:1;font-size:.9rem}.post-meta{color:var(--muted);flex-wrap:wrap;gap:14px;font-size:.8rem;font-weight:700;display:flex}.post-card .post-meta{margin-top:14px}.empty{text-align:center;border-radius:var(--radius);color:var(--muted);background:#fff;border:1px dashed #bfd3ee;padding:40px}.post-head{border-bottom:1px solid var(--line);background:linear-gradient(#fff 0%,#f7faff 100%);padding:48px 0 28px}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:8px;margin-bottom:18px;font-size:.82rem;font-weight:700;display:flex}.breadcrumb a:hover{color:var(--blue)}.post-head h1{max-width:820px;margin-bottom:14px;font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.45}.post-head .lead{color:var(--text);max-width:760px;margin-bottom:16px;font-size:1.05rem}.article-wrap{padding:44px 0 30px}.prose{border:1px solid var(--line);border-radius:var(--radius);max-width:760px;box-shadow:var(--shadow);color:var(--text);background:#fff;margin:auto;padding:clamp(22px,4vw,44px);font-size:1.03rem;line-height:2.1}.prose h2{color:var(--ink);margin:2.1em 0 .6em;font-size:1.5rem;line-height:1.6}.prose h3{color:var(--ink);margin:1.8em 0 .5em;font-size:1.2rem}.prose h2:first-child,.prose h3:first-child{margin-top:0}.prose a{color:var(--blue);border-bottom:1px solid #cfe0fa;font-weight:700}.prose a:hover{border-bottom-color:var(--blue)}.prose ul,.prose ol{padding:0 24px 0 0}.prose li{margin:.35em 0}.prose li::marker{color:var(--blue)}.prose blockquote{border-right:4px solid var(--blue);background:var(--blue-soft);color:var(--text);border-radius:12px;margin:1.6em 0;padding:14px 20px}.prose blockquote p{margin:0}.prose img{border:1px solid var(--line);border-radius:16px;margin:1.6em auto}.prose table{border-collapse:collapse;width:100%;margin:1.6em 0;font-size:.95rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:right;padding:10px 14px}.prose th{background:var(--blue-soft);color:var(--ink)}.prose code{direction:ltr;unicode-bidi:embed;background:#f2f5fa;border-radius:6px;padding:1px 6px;font-size:.9em}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}.post-cta{color:#fff;text-align:center;background:radial-gradient(circle at 80% 30%,#ffffff1f,#0000 25%),linear-gradient(135deg,#0d4fb3,#1769e0);border-radius:26px;max-width:760px;margin:28px auto 0;padding:34px}.post-cta h2{margin-bottom:10px;font-size:1.5rem}.post-cta p{opacity:.92;max-width:560px;margin:0 auto 20px}.post-cta .cta-actions{justify-content:center}.post-cta .btn{color:var(--blue);box-shadow:none;background:#fff;border-color:#fff}.post-cta .btn.secondary{color:#fff;background:0 0;border-color:#ffffff73}.related{padding:30px 0 90px}.related h2{margin-bottom:18px;font-size:1.4rem}footer{color:#cbd5e1;background:#111827;padding:28px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;display:flex}.footer-brand{color:#fff;font-weight:900}.footer-links{gap:20px;font-size:.9rem;display:flex}.footer-links a{color:#fff}.footer-links a:hover{text-decoration:underline}@media (width<=960px){.nav-links{display:none}.post-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.container{width:min(100% - 20px,1180px)}.nav{height:64px}.brand{font-size:1.15rem}.brand-mark{width:38px;height:38px}.nav-cta{padding:8px 11px;font-size:.78rem}.post-grid{grid-template-columns:1fr}.blog-hero{padding:44px 0 28px}.cta-actions .btn{width:100%}.footer-inner{align-items:flex-start}}