:root{--hbi-red:#d71920;--hbi-dark:#111827;--hbi-muted:#6b7280;--hbi-bg:#f6f7f9;--hbi-line:#e5e7eb}*{box-sizing:border-box}body{margin:0;background:var(--hbi-bg);color:var(--hbi-dark);font-family:"Yekan Bakh","Vazirmatn",Tahoma,Arial,sans-serif;line-height:2}.blog-shell{width:min(1180px,calc(100% - 32px));margin:auto}.blog-header{background:#0b0b0c;color:#fff;padding:24px 0}.blog-header__inner{display:flex;justify-content:space-between;align-items:center;gap:18px}.blog-brand{font-size:22px;font-weight:900;color:#fff;text-decoration:none}.blog-nav{display:flex;gap:10px;flex-wrap:wrap}.blog-nav a{color:#ddd;text-decoration:none}.blog-hero{padding:64px 0 34px}.blog-hero h1{font-size:clamp(30px,5vw,52px);margin:0}.blog-hero p{color:var(--hbi-muted);max-width:760px}.blog-filters{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}.blog-filter{border:1px solid var(--hbi-line);border-radius:999px;padding:8px 14px;color:#374151;text-decoration:none;background:#fff}.blog-filter.is-active{background:var(--hbi-red);border-color:var(--hbi-red);color:#fff}.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-bottom:60px}.blog-card{background:#fff;border:1px solid var(--hbi-line);border-radius:20px;overflow:hidden;box-shadow:0 12px 40px #0000000a}.blog-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.blog-card__body{padding:20px}.blog-card__meta{font-size:13px;color:var(--hbi-muted)}.blog-card h2{font-size:20px;line-height:1.6;margin:8px 0}.blog-card p{color:var(--hbi-muted);font-size:14px}.blog-card a{color:var(--hbi-red);font-weight:800;text-decoration:none}.article{width:min(900px,calc(100% - 32px));margin:45px auto;background:#fff;border:1px solid var(--hbi-line);border-radius:24px;padding:clamp(20px,5vw,48px);box-shadow:0 18px 70px #0000000b}.article h1{font-size:clamp(28px,5vw,48px);line-height:1.5;margin:8px 0 14px}.article__meta{color:var(--hbi-muted);font-size:14px}.article__image{width:100%;max-height:520px;object-fit:cover;border-radius:18px;margin:24px 0}.article__content{font-size:17px}.article__content img{max-width:100%;height:auto;border-radius:14px}.article__content table{width:100%;border-collapse:collapse}.article__content th,.article__content td{border:1px solid var(--hbi-line);padding:10px}.blog-empty{background:#fff;border:1px dashed #cbd5e1;padding:32px;border-radius:18px;text-align:center;color:var(--hbi-muted)}.blog-footer{background:#0b0b0c;color:#aaa;padding:30px 0}.blog-footer a{color:#fff}.blog-contact{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.blog-header__inner{align-items:flex-start;flex-direction:column}.blog-grid{grid-template-columns:1fr}.blog-hero{padding-top:38px}}
