/* Colours (--c1, --c2, --t1..--t3) are injected from the admin settings in index.php */
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font:16.5px/1.7 'Hind Siliguri',system-ui,sans-serif;color:var(--c2);background:var(--t1);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:var(--c1)}
img{max-width:100%}
:focus-visible{outline:3px solid var(--c1);outline-offset:2px}
.wrap{max-width:1500px;margin:0 auto;padding:0 clamp(12px,2.6vw,48px)}
.ic{width:1.15em;height:1.15em;flex:none;vertical-align:-.2em}
.sr{position:absolute;left:-9999px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:50;background:linear-gradient(100deg,var(--t2) 0%,#fff 70%);border-bottom:1px solid var(--t3)}
.hd{display:grid;grid-template-columns:1fr auto;column-gap:18px;align-items:center;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--c2);min-width:0}
.brand>img,.mono{width:66px;height:66px;border-radius:50%;object-fit:cover;flex:none;transition:width .2s,height .2s;background:#fff;border:2px solid var(--t3)}
.mono{display:grid;place-items:center;background:var(--c1);color:#fff;font:800 28px 'Anek Bangla',sans-serif;border:0}
.bt{display:flex;flex-direction:column;min-width:0}
.since{font:700 13px/1.2 'Hind Siliguri',sans-serif;letter-spacing:.12em;color:var(--c2)}
.nm{font:800 clamp(24px,3.4vw,42px)/1.15 'Anek Bangla','Hind Siliguri',sans-serif;color:var(--c2)}
.tag{font-size:clamp(14px,1.4vw,17px);font-style:italic;color:var(--c2);opacity:.85}
.badge{grid-column:2;grid-row:1/3;width:116px;height:116px;border-radius:50%;object-fit:cover;transition:width .2s,height .2s}
.badge.seal{display:grid;place-content:center;text-align:center;background:radial-gradient(circle at 35% 30%,#fff2b8,#e3b341 70%);border:5px double #fff;box-shadow:0 0 0 3px #c99a2a,0 8px 20px -8px rgba(0,0,0,.4);color:#4a3200}
.seal b{font:800 40px/1 'Anek Bangla',sans-serif}.seal span{font:700 14px/1.2 'Hind Siliguri',sans-serif}
.nav{grid-column:1;margin-top:12px}
.nav ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px 12px}
.nav li{position:relative}
.nav a,.nav .dd-t{display:flex;align-items:center;gap:6px;padding:8px 22px;border-radius:999px;background:#fff;border:1px solid var(--t3);color:var(--c1);font-weight:600;text-decoration:none;white-space:nowrap;cursor:pointer;font-size:16px;font-family:inherit;line-height:1.5}
.nav a:hover,.nav .dd-t:hover{border-color:var(--c1)}
.nav a.on,.nav .dd-t.on{background:var(--c1);border-color:var(--c1);color:#fff;box-shadow:0 6px 14px -6px var(--c1)}
.dd{display:none;position:absolute;left:0;top:100%;padding-top:8px;z-index:5;min-width:260px}
.dd ul{display:block;background:#fff;border:1px solid var(--t3);border-radius:16px;padding:8px;box-shadow:0 18px 40px -16px rgba(11,60,100,.4)}
.dd a{border:0;border-radius:10px;padding:8px 14px;white-space:normal}
.dd a:hover{background:var(--t2)}
.nav li:hover>.dd,.nav li:focus-within>.dd{display:block}
.burger{display:none;grid-column:2;grid-row:1;border:1px solid var(--t3);background:#fff;color:var(--c1);width:46px;height:46px;border-radius:12px;cursor:pointer}
.burger .ic{width:26px;height:26px}
.top.sm .since,.top.sm .tag{display:none}
.top.sm .brand>img,.top.sm .mono{width:44px;height:44px}
.top.sm .badge{width:64px;height:64px}.top.sm .seal b{font-size:22px}.top.sm .seal span{display:none}
.top.sm .hd{padding-top:8px;padding-bottom:8px}.top.sm .nav{margin-top:8px}.top.sm .nm{font-size:clamp(20px,2.4vw,28px)}

/* ---------- blocks ---------- */
.strip{margin:22px 0 0;padding:14px 22px;text-align:center;font-weight:700;border:1.5px dashed var(--c1);border-radius:14px;background:var(--t1);font-size:clamp(15px,1.5vw,19px)}
.strip a{margin-left:6px}
.card{background:#fff;border-radius:28px;padding:clamp(18px,2.4vw,34px);margin-top:24px;box-shadow:0 0 0 1px var(--t2),0 14px 34px -22px rgba(11,60,100,.5)}
.sh{display:flex;align-items:center;gap:12px;font:800 clamp(24px,2.3vw,34px)/1.2 'Anek Bangla','Hind Siliguri',sans-serif;color:var(--c2);margin-bottom:20px}
.sh:before{content:"";width:13px;height:13px;border-radius:50%;background:var(--c1);flex:none}
.sh a{margin-left:auto;font:600 15px 'Hind Siliguri',sans-serif;text-decoration:none}
.sh a:hover{text-decoration:underline}

.slider{position:relative;margin-top:24px;border:3px solid var(--c1);border-radius:30px;padding:7px;background:#fff}
.sv{position:relative;aspect-ratio:16/6.6;border-radius:23px;overflow:hidden;background:var(--c1)}
.s{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s,visibility .7s}
.s.on{opacity:1;visibility:visible}
.s img{width:100%;height:100%;object-fit:cover;display:block}
.s figcaption{position:absolute;left:0;right:0;bottom:0;padding:60px clamp(18px,3vw,44px) clamp(14px,2vw,26px);background:linear-gradient(transparent,rgba(0,0,0,.55));color:#fff;font:800 clamp(18px,2.1vw,28px) 'Anek Bangla','Hind Siliguri',sans-serif;text-shadow:0 2px 6px rgba(0,0,0,.5)}
.ar{position:absolute;top:50%;translate:0 -50%;width:52px;height:52px;border-radius:50%;border:0;background:#fff;color:var(--c2);font-size:30px;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25);display:grid;place-items:center;padding-bottom:4px}
.ar.l{left:26px}.ar.r{right:26px}
.dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;pointer-events:none}
.dots i{width:9px;height:9px;border-radius:50%;background:#fff8;pointer-events:auto;cursor:pointer}.dots i.on{background:#fff;width:24px;border-radius:9px}
.slider.one .ar,.slider.one .dots{display:none}
.hero0{aspect-ratio:16/5;border-radius:23px;background:linear-gradient(120deg,var(--c1),var(--c2));display:grid;place-items:center;color:#fff;text-align:center;padding:20px;font:800 clamp(24px,4vw,48px) 'Anek Bangla',sans-serif}

.pills{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.pill{background:var(--c1);color:#fff;border-radius:999px;padding:9px 22px;font-weight:500;font-size:clamp(15px,1.4vw,19px)}
.pill b{font:800 1.05em 'Anek Bangla',sans-serif;margin-right:8px}

.lk{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.li{display:flex;align-items:center;gap:14px;padding:18px 20px;min-height:66px;border:1px solid var(--t2);border-radius:14px;background:#fff;text-decoration:none;font-weight:500;font-size:18px;line-height:1.35}
.li:hover{border-color:var(--c1);background:var(--t1)}
.li .ic{color:var(--c1);width:22px;height:22px}
.new{margin-left:auto;display:inline-flex;align-items:center;gap:5px;background:var(--t2);color:var(--c1);font:600 13.5px 'Hind Siliguri',sans-serif;padding:2px 12px;border-radius:99px;border:1px solid var(--t3)}
.new .ic{color:#e3a914;width:13px;height:13px}

.cols{display:grid;gap:24px;grid-template-columns:1fr}
.cols .card{margin-top:0}
.cols-w{margin-top:24px}
.row{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid var(--t2);border-radius:14px;margin-bottom:12px}
.row .rt{flex:1;min-width:0;font-size:18px;line-height:1.4}
.row .rt a{text-decoration:none}.row .rt a:hover{text-decoration:underline}
.row .rt small{display:block;color:#5d7186;font-size:14px}
.dl{flex:none;width:46px;height:46px;border-radius:50%;background:var(--c1);color:#fff;display:grid;place-items:center;box-shadow:0 6px 14px -6px var(--c1)}
.dl .ic{width:22px;height:22px}
.row.txt .rt{font-weight:500;color:var(--c2)}
.more-l{display:block;text-align:right;font-weight:600;text-decoration:none}

.cds{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.cds.wide{grid-template-columns:repeat(auto-fill,minmax(min(100%,430px),1fr))}
.cd{border:1px solid var(--t2);border-radius:20px;padding:14px;background:#fff;display:flex;flex-direction:column;gap:6px}
.cd .im{display:block;border:2px solid var(--t3);border-radius:14px;padding:4px;margin-bottom:8px;background:var(--t1)}
.cd .im img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.cds.wide .im img{aspect-ratio:auto;max-height:520px;object-fit:contain}
.cd h3{font:800 21px/1.3 'Anek Bangla','Hind Siliguri',sans-serif;color:var(--c2)}
.cd h3 a{color:inherit;text-decoration:none}
.cd small{color:#5d7186}
.cd p{text-align:justify;color:#26384a}
.cd .rm{margin-top:auto;font-weight:700}
.empty{color:#5d7186;padding:8px 0}

.two{display:grid;gap:30px}
.tx p{margin-bottom:14px}.tx p:last-child{margin:0}
.tx h3,.two h3{font:800 22px 'Anek Bangla',sans-serif;margin-bottom:8px}
.pic{width:100%;border-radius:20px;display:block;margin-bottom:18px;border:2px solid var(--t3)}
.ck{list-style:none;padding:0}
.ck li{position:relative;padding:9px 0 9px 30px;border-bottom:1px solid var(--t2)}
.ck li:last-child{border:0}
.ck li:before{content:"";position:absolute;left:4px;top:19px;width:11px;height:11px;border-radius:50%;background:var(--c1)}
.c2{columns:2 300px;column-gap:44px}.c2 li{break-inside:avoid}
ol.ck{counter-reset:s}ol.ck li{counter-increment:s;padding-left:50px;border:0}
ol.ck li:before{content:counter(s);left:0;top:9px;width:32px;height:32px;display:grid;place-items:center;color:#fff;font-weight:600}
.exam{background:var(--t1);border:1.5px dashed var(--c1);border-radius:16px;padding:16px 22px;font-weight:600;white-space:pre-line;font-size:18px;max-width:560px}
.quote{border-left:5px solid var(--c1);background:var(--t1);border-radius:0 16px 16px 0;padding:16px 22px;margin-top:20px}
.quote img{float:right;width:96px;height:96px;object-fit:cover;border-radius:50%;margin:0 0 8px 16px}

.g{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.g figure{margin:0}
.g img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:14px;cursor:zoom-in;display:block;border:2px solid var(--t2)}
.g figcaption{font-size:14px;color:#5d7186;padding:4px 2px}

form.f{display:grid;gap:12px;max-width:560px}
.f input,.f select,.f textarea{width:100%;padding:12px 14px;border:1.5px solid var(--t3);border-radius:12px;font:inherit;background:#fff;color:var(--c2)}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--c1);outline:0}
.hp{position:absolute;left:-9999px}
.btn{display:inline-block;padding:11px 26px;border-radius:999px;background:var(--c1);color:#fff;font:600 17px 'Hind Siliguri',sans-serif;text-decoration:none;border:0;cursor:pointer}
.btn:hover{filter:brightness(.93)}
.ok,.er{padding:12px 16px;border-radius:12px;margin-bottom:14px}.ok{background:#e4f6e8}.er{background:#fde6ea}
.crumb{font-size:15px;margin-bottom:6px}.crumb a{text-decoration:none}
.meta{color:#5d7186;margin:-8px 0 16px}

/* ---------- footer ---------- */
footer{margin-top:40px;background:#fff;border-top:1px solid var(--t3)}
.ft{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 20px;padding-top:16px;padding-bottom:16px}
.ft .cp{font-size:18px;font-weight:500}
.credit{background:var(--t2);color:var(--c1);border-radius:99px;padding:3px 20px;font-size:15px}
.soc{display:flex;gap:16px}.soc a{display:grid;place-items:center}.soc .ic{width:28px;height:28px}
.fl{padding:14px 0 0;border-top:1px solid var(--t2);font-size:15px;color:#46607a;text-align:center}
.fl a{color:inherit}
.fab{position:fixed;bottom:0;left:0;right:0;display:flex;z-index:40}
.fab a{flex:1;text-align:center;padding:13px;font-weight:600;color:#fff;text-decoration:none}
body{padding-bottom:50px}
#lb{display:none;position:fixed;inset:0;background:#000d;z-index:99;place-items:center;cursor:zoom-out}
#lb img{max-width:94vw;max-height:90vh;border-radius:8px}

@media(min-width:900px){
 .cols{grid-template-columns:1fr 1fr}
 .two{grid-template-columns:1fr 1fr}
 .g{grid-template-columns:repeat(4,1fr)}
 .fab{display:none}body{padding-bottom:0}
}
@media(max-width:899px){
 .hd{grid-template-columns:1fr auto}
 .badge{display:none}
 .burger{display:grid;place-items:center}
 .nav{grid-column:1/-1;grid-row:2;display:none;margin-top:12px}
 .nav.open{display:block}
 .nav ul{flex-direction:column;gap:8px}
 .dd{display:block;position:static;padding:6px 0 0 14px;min-width:0}
 .dd ul{box-shadow:none;border:0;padding:0;background:none}
 .brand>img,.mono{width:52px;height:52px}
 .sv{aspect-ratio:4/3}
 .ar{width:42px;height:42px;font-size:24px}.ar.l{left:12px}.ar.r{right:12px}
 .top.sm .since,.top.sm .tag{display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}