:root{
  --ox:#8A0304; --ox-d:#5E0203; --ink:#241B1C; --muted:#6A5D5E; --line:#E6DDDB; --soft:#F6F2F1; --paper:#fff;
  --serif:"Noto Serif Bengali","Source Serif 4",Georgia,serif;
  --sans:"Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --svc:#8A0304;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:var(--ox)}a:hover{color:var(--ox-d)}
:focus-visible{outline:3px solid var(--ox);outline-offset:2px;border-radius:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:8px 12px;z-index:99}.skip:focus{left:10px}
.hp{position:absolute;left:-9999px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:740px;margin:0 auto;padding:0 20px}
.wrap-mid{max-width:1000px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--ox);color:#fff;text-decoration:none;border:1px solid var(--ox);border-radius:6px;padding:11px 20px;font-weight:600;font-size:15.5px;line-height:1.3}
.btn:hover{background:var(--ox-d);border-color:var(--ox-d);color:#fff}
.btn-line{background:transparent;color:var(--ox)}.btn-line:hover{background:var(--ox);color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0)}
.bar{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto;min-width:0}
.brand-mark{flex:none;width:38px;height:38px;border-radius:9px;background:var(--ox);color:#fff;display:grid;place-items:center;font:700 12px/1 Georgia,serif;letter-spacing:.03em}
.brand-name{font-family:var(--serif);font-weight:600;font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;gap:18px}
.nav a{color:var(--ink);text-decoration:none;font-size:15px}.nav a:hover{color:var(--ox)}
.hsearch input{width:190px;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font:inherit;font-size:14.5px;background:var(--soft)}
.hsearch input:focus{background:#fff;border-color:var(--ox);outline:none}
@media (max-width:760px){.hide-s{display:none}.hsearch input{width:120px}.bar{gap:12px}}
@media (max-width:420px){.hsearch{display:none}}

/* hero */
.hero{background:var(--soft);border-bottom:1px solid var(--line);padding:56px 0 40px}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,5vw,56px);line-height:1.2;margin:0 0 10px;color:var(--ox)}
.hero-sub{font-size:19px;color:var(--muted);max-width:40em;margin:0 0 26px}
.big-search{display:flex;max-width:640px;background:#fff;border:1px solid #D5C9C7;border-radius:10px;overflow:hidden}
.big-search:focus-within{border-color:var(--ox);box-shadow:0 0 0 3px rgba(138,3,4,.1)}
.big-search input{flex:1;border:0;padding:15px 18px;font:inherit;font-size:17px;min-width:0;outline:none}
.big-search button{border:0;background:var(--ox);color:#fff;font:inherit;font-weight:600;padding:0 24px;cursor:pointer}
.big-search-left{margin:0 0 28px}
.narrow-center .big-search{margin:22px 0}
.langs{margin:18px 0 0;display:flex;gap:6px;flex-wrap:wrap;font-size:14.5px}
.langs a{text-decoration:none;color:var(--muted);padding:4px 12px;border-radius:999px;border:1px solid transparent}
.langs a[aria-current]{border-color:var(--ox);color:var(--ox);background:#fff}
.langs-left{margin:-8px 0 22px}

/* blocks */
.block{padding:44px 20px}
.block-title{font-family:var(--serif);font-weight:600;font-size:24px;margin:0 0 20px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.page-title{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4vw,40px);line-height:1.3;margin:0 0 18px}
.empty{color:var(--muted)}
.with-side{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px}
@media (max-width:980px){.with-side{grid-template-columns:1fr}}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 26px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid,.grid-3{grid-template-columns:1fr}}
.featured{display:grid;grid-template-columns:1.5fr 1fr;grid-template-rows:auto auto;gap:26px}
.featured .card-big{grid-row:1/3}
.featured-1{grid-template-columns:1fr}.featured-1 .card-big{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center}.featured-1 .card-big .card-img{margin:0}
.featured-2{grid-template-columns:1fr 1fr}.featured-2 .card-big{grid-row:auto}
@media (max-width:820px){.featured,.featured-2{grid-template-columns:1fr}.featured .card-big{grid-row:auto}.featured-1 .card-big{grid-template-columns:1fr}}

/* cards */
.card{display:flex;flex-direction:column;min-width:0}
.card-img{display:block;aspect-ratio:16/9;overflow:hidden;border-radius:8px;background:var(--soft);margin-bottom:12px}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-meta{margin:0 0 6px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13.5px}
.svc{color:var(--svc);text-decoration:none;font-weight:600;border-left:3px solid var(--svc);padding-left:7px;line-height:1.2}
.svc:hover{text-decoration:underline;color:var(--svc)}
.svc-lg{font-size:15px;display:inline-block;margin-bottom:12px}
.lang-pill{border:1px solid var(--line);border-radius:999px;padding:0 8px;color:var(--muted);font-size:12px}
.card-title{font-family:var(--serif);font-weight:600;font-size:20px;line-height:1.45;margin:0 0 6px}
.card-big .card-title{font-size:clamp(22px,2.6vw,30px)}
.card-title a{color:var(--ink);text-decoration:none}.card-title a:hover{color:var(--ox)}
.card-ex{color:var(--muted);font-size:15.5px;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{color:var(--muted);font-size:13.5px;margin:auto 0 0}

/* sidebar */
.side-box{margin-bottom:34px}
.side-title{font-family:var(--serif);font-weight:600;font-size:19px;margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid var(--ink)}
.popular{margin:0;padding:0;list-style:none;counter-reset:p}
.popular li{counter-increment:p;display:grid;grid-template-columns:30px 1fr;padding:10px 0;border-bottom:1px solid var(--line)}
.popular li::before{content:counter(p);font-family:var(--serif);font-weight:700;color:var(--ox);font-size:20px;line-height:1.3}
.popular a{color:var(--ink);text-decoration:none;font-size:15.5px;line-height:1.5}.popular a:hover{color:var(--ox)}
.area-name{font-size:13px;color:var(--muted);margin:14px 0 4px;font-weight:600}
.svc-list{list-style:none;margin:0;padding:0}
.svc-list li{padding:4px 0;font-size:15px}
.svc-list a{color:var(--ink);text-decoration:none}.svc-list a:hover{color:var(--ox)}
.count{color:var(--muted);font-size:12.5px;margin-left:4px}

/* services */
.area-head{font-family:var(--serif);font-weight:600;font-size:21px;margin:34px 0 14px;color:var(--muted)}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.svc-card{display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid var(--line);border-top:3px solid var(--svc);border-radius:8px;text-decoration:none;color:var(--ink);background:#fff}
.svc-card:hover{border-color:var(--svc)}
.svc-card-name{font-family:var(--serif);font-weight:600;font-size:18px}
.svc-card-desc{color:var(--muted);font-size:14.5px;line-height:1.55}
.svc-card-count{font-size:13px;color:var(--svc);margin-top:auto;font-weight:600}
.svc-hero{background:var(--soft);border-bottom:1px solid var(--line);border-top:4px solid var(--svc);padding:36px 0}
.svc-hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4vw,42px);line-height:1.3;margin:4px 0 8px}
.svc-desc{max-width:44em;margin:0 0 20px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}

/* article */
.crumbs{font-size:14px;color:var(--muted);margin:0 0 14px}.crumbs a{color:var(--muted)}
.post-head{padding-top:40px}
.post-head h1{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4.4vw,44px);line-height:1.35;margin:0 0 14px}
.dek{font-size:19px;color:var(--muted);margin:0 0 16px;line-height:1.65}
.post-meta{display:flex;flex-wrap:wrap;gap:6px 16px;color:var(--muted);font-size:14.5px;margin:0 0 10px}
.pair-link{margin:4px 0 0;font-size:15px}
.preview-note{background:#FFF4D6;border:1px solid #E8D18B;padding:8px 14px;border-radius:6px;font-size:14px}
.post-hero{margin:26px auto 8px}.post-hero img{width:100%;border-radius:10px}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:22px 0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.share-label{font-size:14px;color:var(--muted);margin-right:4px}
.share a,.share button{font:inherit;font-size:13.5px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:5px 12px;text-decoration:none;cursor:pointer}
.share a:hover,.share button:hover{border-color:var(--ox);color:var(--ox)}
.share .share-native{background:var(--ox);color:#fff;border-color:var(--ox)}
.toc{background:var(--soft);border-radius:8px;padding:16px 20px;margin:0 0 26px}
.toc-title{font-weight:600;margin:0 0 6px;font-size:15px}
.toc ol{margin:0;padding-left:20px}.toc li{font-size:15.5px;margin:3px 0}.toc a{color:var(--ink)}
.prose{font-size:18.5px;line-height:1.9}
.prose h2{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.45;margin:42px 0 12px}
.prose h3{font-size:21px;line-height:1.5;margin:30px 0 8px}
.prose h4{font-size:18.5px;margin:24px 0 6px}
.prose p{margin:0 0 20px}
.prose ul,.prose ol{padding-left:26px;margin:0 0 22px}.prose li{margin-bottom:8px}
.prose img{border-radius:8px;margin:8px auto}
.prose figure{margin:28px 0}.prose figcaption{font-size:14.5px;color:var(--muted);text-align:center;margin-top:8px}
.prose blockquote{margin:26px 0;padding:6px 0 6px 20px;border-left:3px solid var(--ox);font-family:var(--serif);font-size:20px;color:#3A2E2F}
.prose table{width:100%;border-collapse:collapse;font-size:15.5px;margin:24px 0;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;line-height:1.6}
.prose th{background:var(--soft)}
.prose iframe{width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:8px;margin:18px 0}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose .note,.prose .callout{background:var(--soft);border-left:3px solid var(--ox);padding:14px 18px;border-radius:0 8px 8px 0;margin:24px 0}
.prose pre{background:#2B2324;color:#f5eeee;padding:14px;border-radius:8px;overflow-x:auto;font-size:14px}
.faq{margin:40px 0}
.faq h2,.sources h2{font-family:var(--serif);font-weight:600;font-size:24px;margin:0 0 14px}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17.5px;list-style:none;padding-right:28px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:-2px;font-size:22px;color:var(--ox)}
.faq details[open] summary::after{content:"–"}
.faq details div{padding:8px 0 4px;color:#3A2E2F;font-size:17px}
.cta{margin:40px 0;padding:26px 28px;border:1px solid var(--line);border-left:5px solid var(--ox);border-radius:10px;background:linear-gradient(0deg,#fff,#fff)}
.cta-svc{font-size:13.5px;font-weight:600;color:var(--ox);margin:0 0 4px}
.cta h2{font-family:var(--serif);font-weight:600;font-size:23px;margin:0 0 6px;line-height:1.4}
.cta p{margin:0}
.sources{margin:36px 0;font-size:15px}.sources ol{padding-left:22px}.sources li{margin:4px 0;word-break:break-word}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}
.tags a{font-size:14px;background:var(--soft);padding:4px 12px;border-radius:999px;text-decoration:none;color:var(--ink)}
.tags a:hover{color:var(--ox)}

/* subscribe */
.subscribe{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;align-items:center;background:var(--soft);border-radius:12px;padding:30px;margin:10px 0 50px}
.subscribe h2{font-family:var(--serif);font-weight:600;font-size:23px;margin:0 0 4px}
.subscribe p{margin:0;color:var(--muted)}
.sub-form{display:flex;flex-wrap:wrap;gap:10px}
.sub-form input{flex:1 1 170px;border:1px solid #D5C9C7;border-radius:6px;padding:11px 14px;font:inherit;font-size:15.5px}
.sub-form button{border:0;background:var(--ox);color:#fff;border-radius:6px;padding:11px 20px;font:inherit;font-weight:600;cursor:pointer}
.sub-msg{flex-basis:100%;font-size:14.5px}
@media (max-width:760px){.subscribe{grid-template-columns:1fr;padding:22px}}

.pager{display:flex;gap:16px;align-items:center;justify-content:center;margin:36px 0 0;font-size:15px}
.pager a{border:1px solid var(--line);padding:7px 16px;border-radius:6px;text-decoration:none}
.list-intro{color:var(--muted);margin:-8px 0 20px}

/* footer */
.site-footer{background:var(--ink);color:#E6DBDA;padding:44px 0 calc(24px + env(safe-area-inset-bottom,0));font-size:14.5px}
.foot{display:grid;grid-template-columns:1.3fr 1fr .7fr;gap:30px}
.foot p{margin:0 0 6px}.foot a{color:#fff}
.foot-name{font-family:var(--serif);font-weight:600;font-size:19px;color:#fff}
.social{display:flex;gap:14px;flex-wrap:wrap}
.copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;margin-top:10px;color:#B5A6A5;font-size:13px}
@media (max-width:760px){.foot{grid-template-columns:1fr}}