:root{--bg:#f4f6f1;--card:#fff;--ink:#0b1f1a;--soft:#46605a;--line:#d9e2d8;--dark:#0b1f1a;--dark2:#12342c;--lime:#c6f45a;--teal:#1fa88a;--amber:#f2a93b;--red:#d9534f;--r:20px;--w:1140px}
@media(prefers-color-scheme:dark){:root{--bg:#08130f;--card:#0f221c;--ink:#eef6ec;--soft:#a3b8b0;--line:#1c3a31;--dark:#050d0a;--dark2:#0d2a22}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.8 "Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{width:min(100% - 32px,var(--w));margin:0 auto}
a{color:inherit}:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.skip{position:fixed;left:12px;top:-60px;background:var(--lime);color:#000;padding:8px 14px;border-radius:10px;z-index:99}.skip:focus{top:12px}
.nav{position:sticky;top:0;z-index:50;background:rgba(11,31,26,.92);backdrop-filter:blur(14px);color:#fff}
.navin{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;line-height:1.2}
.brand b{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--lime);color:#0b1f1a;font-size:22px}
.brand small{display:block;font-size:11px;font-weight:400;opacity:.7}
nav{display:flex;gap:4px;align-items:center}
nav a{padding:6px 12px;border-radius:99px;text-decoration:none;font-size:14px;font-weight:500;opacity:.85}
nav a:hover{background:rgba(255,255,255,.12);opacity:1}nav a.cta{background:var(--lime);color:#0b1f1a;font-weight:700;opacity:1}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;width:44px;height:44px;font-size:20px}
.hero{background:radial-gradient(900px 400px at 85% -10%,#1d5a4a,transparent),var(--dark);color:#fff;padding:64px 0 72px}
.chip{display:inline-block;margin:0 0 18px;padding:4px 14px;border:1px solid rgba(198,244,90,.5);border-radius:99px;color:var(--lime);font-size:13px}
h1{font-size:clamp(2.1rem,6vw,4rem);line-height:1.2;margin:0 0 16px;font-weight:700;max-width:16ch}
.lead{max-width:56ch;font-size:1.1rem;opacity:.85;margin:0 0 36px}
.big{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.big div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:20px 24px}
.big small{display:block;opacity:.7;font-size:14px}.big strong{font-size:clamp(1.8rem,5vw,2.8rem);color:var(--lime);line-height:1.3}
section{padding:56px 0 8px}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);margin:0 0 22px;display:flex;align-items:center;gap:12px}
h2:before{content:"";width:10px;height:28px;border-radius:4px;background:var(--lime);box-shadow:inset 0 0 0 2px var(--dark)}
.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}.cards{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card,.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.stat small{color:var(--soft);display:block;font-size:14px}.stat strong{font-size:1.7rem;line-height:1.4}.stat em{font-style:normal;font-size:.9rem;color:var(--soft);margin-left:4px}
.stat.warn{border-color:var(--amber)}.stat.bad{border-color:var(--red)}
.card h3{margin:0 0 6px;font-size:1.15rem;line-height:1.5}.card p{margin:0 0 12px;color:var(--soft)}
.tag{display:inline-block;padding:2px 12px;border-radius:99px;background:var(--lime);color:#0b1f1a;font-size:12px;font-weight:700;margin-bottom:10px}
.tag.ann{background:var(--amber)}.meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--soft)}.meta b{color:var(--ink)}
button.link{background:none;border:0;padding:0;color:var(--teal);font:inherit;font-weight:600;cursor:pointer}
.legend{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--soft);margin-bottom:10px}
.legend i{width:14px;height:14px;border-radius:4px;display:inline-block}.k1{background:var(--teal)}.k2{background:var(--amber);height:4px!important}
.bars{display:flex;gap:6px;overflow-x:auto;padding:12px 4px 8px;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
.col{flex:1 0 46px;text-align:center;font-size:11px;color:var(--soft)}
.track{position:relative;height:180px;display:flex;align-items:flex-end;justify-content:center}
.bar{width:60%;background:linear-gradient(var(--lime),var(--teal));border-radius:8px 8px 2px 2px;min-height:2px}
.tick{position:absolute;left:8%;right:8%;height:3px;background:var(--amber);border-radius:2px}
.col span{display:block;line-height:1.3;margin-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chips button,.chips a{padding:5px 16px;border:1px solid var(--line);border-radius:99px;background:var(--card);color:var(--ink);font:inherit;font-size:14px;cursor:pointer;text-decoration:none}
.chips .on{background:var(--dark);color:var(--lime);border-color:var(--dark)}
.notice{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--lime);border-radius:14px;padding:16px 20px;margin-bottom:12px}
.notice time,.card time{font-size:13px;color:var(--soft)}.notice h3{margin:2px 0 6px;font-size:1.1rem}.notice .t{white-space:pre-line;color:var(--soft)}
input[type=search]{width:100%;padding:12px 18px;border-radius:99px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;margin-bottom:14px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;padding:2px 20px}
summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none}summary::after{content:"+";float:right;color:var(--teal);font-size:1.3rem}details[open] summary::after{content:"−"}
details p{margin:0 0 14px;color:var(--soft);white-space:pre-line}
.contact{padding-bottom:56px}
footer{background:var(--dark);color:#fff;padding:28px 0;text-align:center}footer p{margin:4px 0}.small{font-size:13px;opacity:.65}
dialog{border:0;border-radius:var(--r);padding:0;width:min(720px,94vw);max-height:88vh;background:var(--card);color:var(--ink)}dialog::backdrop{background:rgba(0,0,0,.6)}
dialog article{padding:28px}.x{float:right;border:0;background:var(--dark);color:var(--lime);border-radius:99px;padding:4px 16px;font:inherit;cursor:pointer}.body{white-space:pre-line;margin-top:14px}
.empty{color:var(--soft)}
@media(max-width:860px){.burger{display:block}nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--dark);padding:12px 16px}nav.open{display:flex}nav a{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}