:root{--red:#0d9fb8;--dark:#0b3b45;--ink:#1b2027;--muted:#6b7480;--line:#e6e8ec;--bg:#f6f7f9;--radius:10px}
*{box-sizing:border-box}
body{margin:0;font-family:'Anek Bangla',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.site-header{background:#fff;border-bottom:3px solid var(--red);position:sticky;top:0;z-index:50}
.topbar{background:var(--dark);color:#cfd4da;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:6px 16px;flex-wrap:wrap}
.topnav a{margin-left:14px;opacity:.85}
.topnav a:hover{opacity:1;color:#fff}
.brandbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:16px}
.brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;grid-column:2}
.brandbar-side{display:flex;align-items:center;min-width:0}
.brandbar-side.right{justify-content:flex-end}
.brand-txt strong{text-align:center}
.brand-mark{width:46px;height:46px;border-radius:12px;background:var(--red);color:#fff;display:grid;place-items:center;font-size:26px;font-weight:800}
.brand strong{display:block;font-size:30px;line-height:1.2;color:var(--red);letter-spacing:.2px}
.brand small{color:var(--muted);font-size:13px}
.searchbox{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.searchbox input{border:0;padding:9px 16px;outline:0;font-family:inherit;min-width:200px}
.searchbox button{border:0;background:var(--red);color:#fff;padding:0 18px;font-family:inherit;cursor:pointer}
.mainnav{background:#fff;border-top:1px solid var(--line);overflow-x:auto}
.mainnav .wrap{display:flex;gap:4px;white-space:nowrap}
.mainnav a{padding:11px 12px;font-weight:500;font-size:15px;border-bottom:3px solid transparent}
.mainnav a:hover,.mainnav a.active{color:var(--red);border-bottom-color:var(--red)}
main.wrap{padding-top:22px;padding-bottom:36px}
.hero{display:grid;grid-template-columns:1.55fr 1fr;gap:16px;margin-bottom:28px}
.hero-main{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;min-height:320px}
.hero-main img{height:100%;width:100%;object-fit:cover;opacity:.82;aspect-ratio:16/9}
.hero-body{position:absolute;inset:auto 0 0 0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.88));color:#fff}
.hero-body h2{margin:8px 0;font-size:27px;line-height:1.4}
.hero-body p{margin:0;color:#dfe3e8;font-size:15px}
.hero-body time{font-size:13px;color:#b9c0c8}
.tag{background:var(--red);padding:2px 10px;border-radius:4px;font-size:12px;font-weight:600}
.hero-side{display:grid;gap:12px}
.side-card{display:grid;grid-template-columns:104px 1fr;gap:12px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);padding:8px}
.side-card img{height:74px;width:104px;object-fit:cover;border-radius:6px}
.side-card h3{margin:0 0 4px;font-size:15px;font-weight:600;line-height:1.5}
.side-card time,.card time{font-size:12px;color:var(--muted)}
.layout{display:grid;grid-template-columns:1fr 320px;gap:26px;align-items:start}
.section-title{display:flex;align-items:center;justify-content:space-between;font-size:20px;margin:0 0 14px;padding-left:12px;border-left:5px solid var(--red)}
.section-title .more{font-size:14px;color:var(--red);font-weight:500}
.block{margin-bottom:32px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(18,22,28,.09)}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-body{padding:12px}
.card h3{margin:6px 0;font-size:16px;line-height:1.55;font-weight:600}
.card.small h3{font-size:14.5px}
.card p{margin:0 0 6px;font-size:13.5px;color:var(--muted)}
.cat-chip{display:inline-block;background:#fdecef;color:var(--red);font-size:12px;padding:1px 9px;border-radius:4px}
.sidebar{display:grid;gap:18px;position:sticky;top:150px}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.widget h3{margin:0 0 12px;font-size:17px;border-bottom:2px solid var(--red);display:inline-block;padding-bottom:5px}
.pop-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.pop-list li{display:grid;grid-template-columns:26px 1fr;gap:9px;font-size:14.5px;border-bottom:1px dashed var(--line);padding-bottom:9px}
.pop-list span{color:var(--red);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chips a{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:13px}
.chips a:hover{background:var(--red);color:#fff;border-color:var(--red)}
.chips em{color:var(--muted);font-style:normal;font-size:12px}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.article h1{font-size:31px;line-height:1.5;margin:8px 0 10px}
.crumbs{font-size:13px;color:var(--muted)}
.meta{font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px}
.article figure{margin:0 0 18px}
.article figure img{border-radius:8px;width:100%}
.content{font-family:'Tiro Bangla',serif;font-size:18.5px;line-height:2}
.content p{margin:0 0 16px}
.content img{border-radius:8px;margin:12px 0;height:auto}
.content h2,.content h3{font-family:'Anek Bangla',sans-serif}
.content blockquote{border-left:4px solid var(--red);margin:0;padding:6px 16px;background:var(--bg)}
.tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.tags span{background:var(--bg);border:1px solid var(--line);border-radius:6px;font-size:13px;padding:3px 10px;color:var(--muted)}
.page-head{font-size:24px;margin:0 0 16px;border-left:5px solid var(--red);padding-left:12px}
.page-head small{color:var(--muted);font-size:14px;font-weight:400}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:22px}
.pager a{background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px 12px}
.pager a.on{background:var(--red);color:#fff;border-color:var(--red)}
.empty{color:var(--muted)}
.notfound{text-align:center;padding:70px 0}
.notfound h1{font-size:76px;margin:0;color:var(--red)}
.btn{display:inline-block;background:var(--red);color:#fff;padding:9px 20px;border-radius:8px}
.site-footer{background:var(--dark);color:#c3c9d1;padding:34px 0 0;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;padding-bottom:26px}
.site-footer h4{color:#fff;margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:14px}
.site-footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:14px 16px;text-align:center;font-size:13px}
@media(max-width:900px){.hero,.layout,.foot-grid{grid-template-columns:1fr}.grid,.grid-4{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}}
@media(max-width:560px){.grid,.grid-4{grid-template-columns:1fr}.article{padding:16px}.article h1{font-size:24px}.hero-body h2{font-size:20px}.searchbox{width:100%}}

/* ===== আধুনিক সিঙ্গেল পোস্ট ===== */
.post-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 30px rgba(11,59,69,.06)}
.post-badge{display:inline-block;background:var(--red);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:4px 11px;border-radius:6px;margin-bottom:10px}
.post-card h1{font-size:30px;line-height:1.45;margin:6px 0 8px}
.tag-line{color:var(--muted);font-size:14px;margin-bottom:16px}
.tag-line span{margin-right:8px}
.byline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0 16px;border-bottom:1px solid var(--line);margin-bottom:18px}
.byline .avatar{width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}
.byline-txt strong{display:block;font-size:15px;line-height:1.3}
.byline-txt small{color:var(--muted);font-size:12.5px}
.byline .views{margin-left:auto;color:var(--muted);font-size:13.5px}
.post-card figure{margin:0 0 18px;border-radius:14px;overflow:hidden}
.share-box{background:#f4fafc;border:1px solid #d9eef3;border-radius:14px;padding:16px;margin-top:24px}
.share-box h4{margin:0 0 12px;font-size:13px;letter-spacing:.8px;text-transform:uppercase;color:#4b6a72}
.share-btns{display:flex;flex-wrap:wrap;gap:9px}
.sb{border:0;cursor:pointer;font-family:inherit;font-size:13.5px;font-weight:600;color:#fff;padding:9px 16px;border-radius:999px;transition:transform .12s ease,filter .12s ease}
.sb:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff}
.sb.fb{background:#1877f2}.sb.x{background:#111}.sb.wa{background:#25d366}.sb.tg{background:#229ed9}
.sb.li{background:#0a66c2}.sb.copy{background:var(--red)}.sb.more{background:#7c6df2}
.post-nav{margin-top:18px}
.post-nav a{color:var(--red);font-weight:600;font-size:14.5px}
@media(max-width:640px){.post-card{padding:18px;border-radius:14px}.post-card h1{font-size:23px}.byline .views{margin-left:0;width:100%}}

/* ---- comments, ads, video ---- */
.ad-box{max-width:1180px;margin:16px auto;padding:10px;background:#f6f8fa;border:1px dashed #d8e0e6;border-radius:10px;text-align:center;overflow:hidden}
.ad-box .ad-label{display:block;font-size:11px;letter-spacing:.08em;color:#93a1ab;margin-bottom:6px}
.video-embed{position:relative;padding-top:56.25%;margin:16px 0;border-radius:12px;overflow:hidden}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.comments{margin-top:28px;border-top:1px solid #e6ebef;padding-top:18px}
.cmt-note{padding:10px 14px;border-radius:9px;margin-bottom:12px;font-size:14.5px}
.cmt-note.ok{background:#e6f7ee;color:#0f7a45}.cmt-note.err{background:#fdecec;color:#c0392b}
.cmt-list{list-style:none;padding:0;margin:0 0 20px}
.cmt-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid #eef2f4}
.cmt-av{width:40px;height:40px;flex:none;border-radius:50%;background:#eaf8fb;color:#0b7f96;display:grid;place-items:center;font-weight:600}
.cmt-list small{display:block;color:#8b959e;font-size:12.5px;margin-bottom:4px}
.cmt-list p{margin:0;line-height:1.75}
.cmt-form{background:#f8fafb;border:1px solid #e6ebef;border-radius:12px;padding:16px}
.cmt-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.cmt-form input,.cmt-form textarea{width:100%;font-family:inherit;font-size:15px;padding:10px 12px;border:1px solid #dde4e9;border-radius:9px;background:#fff;outline:0}
.cmt-form input:focus,.cmt-form textarea:focus{border-color:#0d9fb8}
.cmt-form .hp{display:none}
.cmt-form button{margin-top:10px;background:#0d9fb8;color:#fff;border:0;border-radius:9px;padding:11px 22px;font-family:inherit;font-size:15px;cursor:pointer}
.brand-logo{height:64px;width:auto;max-width:min(88vw,420px);object-fit:contain;border-radius:8px;display:block;margin:0 auto}
@media(max-width:640px){.cmt-row{grid-template-columns:1fr}}

/* ===== কেন্দ্রীভূত হেডার লোগো ===== */
@media(max-width:900px){
  .brandbar{grid-template-columns:1fr;justify-items:center;text-align:center}
  .brandbar-side{grid-column:1;width:100%;justify-content:center}
  .brandbar-side.left{display:none}
  .brand{grid-column:1}
  .brand-logo{height:52px}
  .brand strong{font-size:24px}
  .searchbox{width:100%;max-width:420px}
}