:root{--r-bg:#f5f7fa;--r-surface:#ffffff;--r-border:#e4e9f0;--r-ink:#0f2540;--r-text:#14263c;--r-muted:#5b6b80;--r-accent:#2563eb;--r-accent-strong:#1d4ed8;--r-accent-soft:#eaf1fe;--r-radius:16px;--r-shadow:0 1px 2px rgba(15,37,64,0.06),0 8px 24px rgba(15,37,64,0.08)}*{box-sizing:border-box}body{background:var(--r-bg);color:var(--r-text);font-family:Vazirmatn,sans-serif;line-height:1.9;margin:0}a{color:var(--r-accent);text-decoration:none}.site-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--r-border);position:-webkit-sticky;position:sticky;top:0;z-index:50}.site-header-inner{gap:1.5rem;margin:0 auto;max-width:1120px;padding:.75rem 1.25rem}.site-brand,.site-header-inner{align-items:center;display:flex}.site-brand{color:var(--r-ink);font-size:1.15rem;font-weight:700;gap:.6rem}.site-brand img{height:36px;width:auto}.site-nav{display:flex;gap:1.25rem;-webkit-margin-start:auto;margin-inline-start:auto}.site-nav a{border-radius:8px;color:var(--r-muted);font-weight:500;padding:.35rem .75rem;transition:background .15s,color .15s}.site-nav a:hover{background:var(--r-accent-soft);color:var(--r-accent-strong)}.site-nav a.active{color:var(--r-accent-strong);font-weight:700}.blog-hero{background:linear-gradient(135deg,var(--r-ink) 0,var(--r-accent-strong) 100%);color:#fff;padding:4rem 1.25rem 4.5rem;text-align:center}.blog-hero h1{font-size:2.25rem;margin:0 0 .75rem}.blog-hero p{color:#c7d6f5;font-size:1.1rem;margin:0 auto;max-width:560px}.blog-container{margin:0 auto;max-width:1120px;padding:2.5rem 1.25rem 4rem}.blog-grid{display:grid;grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.blog-card{background:var(--r-surface);border:1px solid 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1rem;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}.blog-card-meta{align-items:center;color:var(--r-muted);display:flex;font-size:.85rem;gap:.75rem;margin-top:auto}.blog-chip{background:var(--r-accent-soft);border-radius:999px;color:var(--r-accent-strong);font-size:.8rem;font-weight:500;padding:.15rem .75rem}.blog-empty{background:var(--r-surface);border:1px dashed var(--r-border);border-radius:var(--r-radius);color:var(--r-muted);padding:4rem 2rem;text-align:center}.post-container{margin:0 auto;max-width:760px;padding:2.5rem 1.25rem 4rem}.post-back{display:inline-block;font-size:.9rem;font-weight:500;margin-bottom:1.5rem}.post-header h1{color:var(--r-ink);font-size:2rem;line-height:1.5;margin:0 0 .75rem}.post-meta{align-items:center;color:var(--r-muted);display:flex;flex-wrap:wrap;font-size:.9rem;gap:.75rem;margin-bottom:1.75rem}.post-cover{border-radius:var(--r-radius);box-shadow:var(--r-shadow);display:block;height:auto;margin-bottom:2rem;width:100%}.prose{font-size:1.08rem}.prose h2{border-right:4px solid var(--r-accent);color:var(--r-ink);font-size:1.45rem;margin:2.5rem 0 1rem;padding-right:.75rem}.prose h3{color:var(--r-ink);font-size:1.2rem;margin:2rem 0 .75rem}.prose p{margin:0 0 1.25rem}.prose img{border-radius:12px;height:auto;max-width:100%}.prose blockquote{background:var(--r-accent-soft);border-radius:12px;margin:1.5rem 0;padding:1rem 1.5rem}.prose ol,.prose ul{padding-right:1.5rem}.faq-section{margin-top:3.5rem}.faq-section>h2{color:var(--r-ink);font-size:1.45rem;margin-bottom:1.25rem}details.faq-item{background:var(--r-surface);border:1px solid var(--r-border);border-radius:12px;margin-bottom:.75rem;padding:1rem 1.25rem;transition:box-shadow .15s}details.faq-item[open]{box-shadow:var(--r-shadow)}details.faq-item summary{color:var(--r-ink);cursor:pointer;font-weight:600}details.faq-item p{color:var(--r-muted);margin:.75rem 0 0}.post-cta{background:linear-gradient(135deg,var(--r-ink),var(--r-accent-strong));border-radius:var(--r-radius);color:#fff;margin-top:3.5rem;padding:2.25rem;text-align:center}.post-cta p{color:#c7d6f5;margin:.25rem 0 1.25rem}.post-cta a{background:#fff;border-radius:999px;color:var(--r-accent-strong);display:inline-block;font-weight:700;padding:.6rem 1.75rem}.site-footer{border-top:1px solid var(--r-border);color:var(--r-muted);font-size:.9rem;padding:2rem 1.25rem;text-align:center}@media (max-width:640px){.blog-hero h1{font-size:1.6rem}.post-header h1{font-size:1.5rem}}