:root{
  --bg:#07130d; --bg2:#0a1f14; --panel:rgba(255,255,255,.045); --line:rgba(255,255,255,.09);
  --green:#00c853; --green2:#00e676; --red:#f42a41; --gold:#ffd54f; --text:#eef7f0; --muted:#9db8a8;
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hind Siliguri",sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}
::selection{background:var(--green);color:#04150a}
a{color:inherit;text-decoration:none}
.wrap{width:min(1160px,calc(100% - 40px));margin:auto}
section{padding:80px 0}
.eyebrow{color:var(--green2);font-weight:700;letter-spacing:.14em;font-size:13px;text-transform:uppercase}
h2.title{font-family:"Baloo Da 2","Hind Siliguri",sans-serif;font-size:clamp(30px,4.5vw,46px);line-height:1.2;margin:10px 0 12px}
.lead{color:var(--muted);max-width:640px;font-size:17px;margin:0}
.grad{background:linear-gradient(92deg,var(--green2),#7CFFB2 45%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- NAV ---------- */
nav{position:fixed;inset:0 0 auto 0;z-index:100;backdrop-filter:blur(16px);background:rgba(7,19,13,.78);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Baloo Da 2","Hind Siliguri",sans-serif;font-weight:800;min-width:0;line-height:1.15}
.brand-logo{width:44px;height:44px;flex:none;object-fit:contain;border-radius:50%;background:#fff}
.brand-copy{display:flex;flex-direction:column;gap:4px;min-width:0}
.brand-name{font-family:Arial,sans-serif;font-size:13px;letter-spacing:.01em;color:var(--text);white-space:nowrap}
.brand-batch{font-size:14px;color:var(--text)}
.brand em{font-style:normal;color:var(--green2)}
.foot a.brand{display:flex;color:var(--text);margin:5px 0 12px}
.links{display:flex;gap:22px;font-weight:500;font-size:15px;align-items:center}
.links a{color:var(--muted);transition:.25s}
.links a:hover,.links a.active{color:#fff}
.nav-cta{background:linear-gradient(120deg,var(--green),#00a344);color:#04150a;font-weight:700;padding:9px 18px;border-radius:12px;transition:.25s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px #00c85355}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:#fff;font-size:20px;padding:6px 12px;cursor:pointer}
@media(max-width:1100px){
  .links{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;background:#0a1f14;padding:18px 24px;gap:14px;border-bottom:1px solid var(--line);display:none}
  .links.open{display:flex}
  .burger{display:block}
  .nav-cta{display:none}
}

/* ---------- HERO ---------- */
.hero{position:relative;padding:150px 0 70px;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.b1{width:480px;height:480px;background:#00c85333;top:-160px;left:-120px;animation:float 11s ease-in-out infinite}
.b2{width:420px;height:420px;background:#f42a4122;bottom:-180px;right:-100px;animation:float 13s ease-in-out infinite reverse}
.b3{width:300px;height:300px;background:#ffd54f1f;top:40%;left:55%;animation:float 15s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-34px)}}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.college-identity{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.college-identity img{width:80px;height:80px;object-fit:contain;border-radius:50%;background:#fff;box-shadow:0 8px 30px #0004;flex:none}
.college-identity div{display:flex;flex-direction:column;gap:4px}
.college-kicker{font-size:15px;color:var(--green2);font-weight:700}
.college-english{font:700 clamp(15px,2vw,20px)/1.2 Arial,sans-serif;letter-spacing:.01em}
.college-batch{font-size:13px;color:var(--muted)}
@media(max-width:420px){.brand-name{font-size:11px}.brand-logo{width:40px;height:40px}.college-identity img{width:64px;height:64px}}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);padding:7px 15px;border-radius:99px;font-size:13.5px;color:var(--muted)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green2);box-shadow:0 0 0 0 #00e67688;animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
h1{font-family:"Baloo Da 2","Hind Siliguri",sans-serif;font-size:clamp(40px,7vw,76px);line-height:1.15;margin:20px 0 16px;font-weight:800}
.hero p.sub{color:var(--muted);font-size:clamp(16px,2vw,19px);max-width:560px;margin:0 0 30px}
.btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{padding:14px 26px;border-radius:14px;font-weight:700;font-size:16px;transition:.25s;display:inline-block}
.btn-p{background:linear-gradient(120deg,var(--green2),var(--green));color:#04150a}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 14px 34px #00c85355}
.btn-g{border:1px solid var(--line);background:var(--panel);color:#fff}
.btn-g:hover{border-color:var(--green);transform:translateY(-3px)}
.cd-card{background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:26px;padding:28px;backdrop-filter:blur(14px);box-shadow:0 30px 70px #00000055}
.cd-card h3{margin:0 0 4px;font-family:"Baloo Da 2";font-size:20px}
.cd-card p{margin:0 0 20px;color:var(--muted);font-size:14px}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.cd-cell{background:#04150a99;border:1px solid var(--line);border-radius:16px;padding:16px 6px;text-align:center}
.cd-cell b{display:block;font-family:"Baloo Da 2";font-size:clamp(24px,3.4vw,36px);color:var(--green2);line-height:1.1}
.cd-cell span{font-size:12.5px;color:var(--muted)}
.cd-note{margin-top:16px;font-size:13.5px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.cd-note b{color:var(--gold)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px;position:relative}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;text-align:center}
.stat b{font-family:"Baloo Da 2";font-size:32px;color:var(--green2);display:block}
.stat span{color:var(--muted);font-size:14px}
.marquee{border-block:1px solid var(--line);background:#0a1f14;overflow:hidden;padding:13px 0;white-space:nowrap}
.marquee-track{display:inline-block;animation:scroll 26s linear infinite;font-weight:600;color:var(--muted)}
.marquee-track span{margin:0 22px}
.marquee-track i{color:var(--red);font-style:normal}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- PAGE HEADER / BREADCRUMB ---------- */
.page-head{padding:130px 0 40px;position:relative;overflow:hidden}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--green2);font-weight:600}
.crumbs a:hover{text-decoration:underline}
.crumbs .sep{color:#4a6353}
.crumbs .cur{color:#fff}
.page-head h1{font-size:clamp(34px,5.5vw,58px);margin:8px 0 12px}
.page-head .sub{color:var(--muted);font-size:17px;max-width:620px;margin:0}
.meta{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.tag{font-size:12.5px;border:1px solid var(--line);border-radius:99px;padding:4px 13px;color:var(--muted)}
.tag.g{color:var(--green2);border-color:#00c85355}

/* ---------- TREE DIAGRAM ---------- */
.tree{margin-top:36px;background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:36px 24px 30px;overflow-x:auto}
.tree-root{display:flex;justify-content:center}
.tree-root .node-root{background:linear-gradient(120deg,var(--green),#007a33);color:#04150a;font-family:"Baloo Da 2";font-weight:800;font-size:clamp(17px,2.4vw,22px);padding:14px 30px;border-radius:16px;box-shadow:0 14px 34px #00c85344;text-align:center}
.tree-vline{width:2px;height:34px;background:linear-gradient(var(--green),#00c85366);margin:0 auto}
.tree-branches{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
.tree-branches::before{content:"";position:absolute;top:0;left:16.6%;right:16.6%;height:2px;background:#00c85366}
.tree-branch{position:relative;padding-top:34px;text-align:center}
.tree-branch::before{content:"";position:absolute;top:0;left:50%;width:2px;height:34px;background:#00c85366;transform:translateX(-50%)}
.tree-dept{display:inline-block;background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03));border:1.5px solid var(--green);color:#fff;font-weight:700;font-size:16.5px;padding:11px 20px;border-radius:14px;transition:.25s}
.tree-dept:hover{background:linear-gradient(120deg,var(--green2),var(--green));color:#04150a;transform:translateY(-3px)}
.tree-kids{margin-top:16px;display:flex;flex-direction:column;gap:8px;align-items:center}
.tree-kid{border:1px solid var(--line);background:#04150a88;color:var(--muted);font-size:13.5px;padding:7px 16px;border-radius:99px;transition:.25s}
.tree-kid:hover{color:#fff;border-color:var(--green);transform:translateX(4px)}
@media(max-width:760px){
  .tree-branches{grid-template-columns:1fr}
  .tree-branches::before{display:none}
  .tree-branch{padding-top:22px}
  .tree-branch::before{height:22px}
}

/* ---------- CARDS ---------- */
.subj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:900px){.subj-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.subj-grid{grid-template-columns:1fr}}
.subj{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;position:relative;overflow:hidden}
.subj::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--green),transparent);opacity:0;transition:.3s}
.subj:hover{transform:translateY(-6px);border-color:#00c85366}
.subj:hover::before{opacity:1}
.subj .ic{font-size:30px}
.subj h3{margin:12px 0 6px;font-size:19px}
.subj p{margin:0;color:var(--muted);font-size:14px}
.subj .meta{margin-top:14px}
.subj .go{margin-top:16px;color:var(--green2);font-weight:700;font-size:14px;display:inline-block}
.dept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:820px){.dept-grid{grid-template-columns:1fr}}
.dept{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;display:block}
.dept:hover{transform:translateY(-6px);border-color:#00c85366}
.dept .ic{font-size:42px}
.dept h3{margin:14px 0 8px;font-size:22px;font-family:"Baloo Da 2"}
.dept p{margin:0;color:var(--muted);font-size:14.5px}
.dept .go{margin-top:18px;color:var(--green2);font-weight:700;font-size:14.5px}

/* ---------- TRACKER ---------- */
.overall{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin:28px 0;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.overall .pct{font-family:"Baloo Da 2";font-size:38px;color:var(--green2);min-width:96px}
.bar{flex:1;min-width:220px;height:14px;background:#04150a;border:1px solid var(--line);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--green2));border-radius:99px;transition:width .6s cubic-bezier(.2,.8,.2,1)}
.overall small{color:var(--muted)}
.reset{background:none;border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:8px 16px;font-family:inherit;cursor:pointer;transition:.25s}
.reset:hover{color:var(--red);border-color:var(--red)}
.track-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:820px){.track-grid{grid-template-columns:1fr}}
.tcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.tcard header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}
.tcard h3{margin:0;font-size:18px}
.tcard .cnt{font-size:13px;color:var(--muted);white-space:nowrap}
.tcard .bar{height:8px;margin:10px 0 14px;min-width:0}
.chap{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:12px;cursor:pointer;transition:.2s;font-size:15px;user-select:none}
.chap:hover{background:rgba(255,255,255,.05)}
.chap .box{width:22px;height:22px;flex:none;border:2px solid var(--muted);border-radius:7px;display:grid;place-items:center;font-size:13px;color:#04150a;transition:.2s}
.chap.done .box{background:var(--green2);border-color:var(--green2)}
.chap.done .box::after{content:"✓";font-weight:800}
.chap.done .nm{color:var(--muted);text-decoration:line-through}
.chap .nm{flex:1}

/* ---------- ROUTINE ---------- */
.routine-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
@media(max-width:820px){.routine-grid{grid-template-columns:1fr}}
.rt{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.rt h3{margin:0 0 16px;font-size:18px;display:flex;align-items:center;gap:9px}
.rt table{width:100%;border-collapse:collapse;font-size:14.5px}
.rt td{padding:9px 6px;border-bottom:1px dashed var(--line);color:var(--muted)}
.rt tr:last-child td{border-bottom:0}
.rt td:first-child{color:var(--green2);font-weight:600;white-space:nowrap;width:110px}
.tip{margin-top:16px;background:linear-gradient(120deg,#00c85314,#ffd54f0d);border:1px solid #00c85333;border-radius:14px;padding:14px 18px;font-size:14.5px;color:var(--muted)}
.tip b{color:var(--gold)}

/* ---------- CLASSES ---------- */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
@media(max-width:980px){.res-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.res-grid{grid-template-columns:1fr}}
.res{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.3s}
.res:hover{transform:translateY(-6px);border-color:#00c85366}
.res .ic{font-size:38px}
.res h3{margin:12px 0 6px;font-size:18px}
.res p{margin:0 0 16px;color:var(--muted);font-size:14px}
.dl{display:inline-block;background:linear-gradient(120deg,var(--green2),var(--green));color:#04150a;font-weight:700;padding:9px 20px;border-radius:11px;font-size:14px;transition:.25s}
.dl:hover{transform:translateY(-2px);box-shadow:0 10px 24px #00c85355}
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:820px){.chan-grid{grid-template-columns:1fr}}
.chan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s}
.chan:hover{transform:translateY(-6px);border-color:#00c85366}
.chan .ic{font-size:34px}
.chan h3{margin:12px 0 6px;font-size:19px}
.chan p{margin:0 0 16px;color:var(--muted);font-size:14px}
.yt-note{margin-top:18px;color:var(--muted);font-size:14px;text-align:center}

/* ---------- SIBLING NAV ---------- */
.sib-nav{display:flex;justify-content:space-between;gap:14px;margin-top:36px;flex-wrap:wrap}
.sib-nav a{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:14px 20px;font-weight:600;transition:.25s;flex:1;min-width:200px}
.sib-nav a:hover{border-color:var(--green);transform:translateY(-3px)}
.sib-nav small{display:block;color:var(--muted);font-size:12.5px;font-weight:400}
.sib-nav .next{text-align:right}

/* ---------- QUOTE / FOOTER ---------- */
.quote{text-align:center;padding:70px 0}
.quote blockquote{font-family:"Baloo Da 2";font-size:clamp(24px,4vw,38px);line-height:1.5;margin:0 auto;max-width:820px}
.quote p{color:var(--muted);margin-top:16px}
footer{border-top:1px solid var(--line);background:#050f09;padding:44px 0 30px}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot h4{margin:0 0 10px;font-size:16px}
.foot a{display:block;color:var(--muted);font-size:14px;margin:5px 0;transition:.2s}
.foot a:hover{color:var(--green2)}
.copy{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);color:#5f7a6a;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- COLLEGE PRE-TEST ROUTINE ---------- */
.exam-section{padding:70px 0 80px;background:linear-gradient(180deg,var(--bg),var(--bg2))}
.exam-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.exam-notice-link,.exam-inline-link{color:var(--green2);font-weight:700;text-decoration:underline;text-underline-offset:4px}
.exam-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:18px}
.exam-countdown,.exam-list{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:26px}
.exam-countdown{background:linear-gradient(145deg,#123c25,#0a1f14);display:flex;flex-direction:column;align-items:flex-start}
.exam-label{font-size:13px;font-weight:700;color:var(--green2);letter-spacing:.05em}
.exam-countdown h3{font-size:clamp(23px,3vw,30px);line-height:1.35;margin:14px 0 8px}
.exam-countdown p{margin:0;color:var(--muted)}
.exam-status{margin-top:26px;color:var(--gold);font-weight:700;font-size:14px}
.exam-timer{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;margin-top:10px}
.exam-timer div{background:#04150a99;border:1px solid var(--line);border-radius:14px;text-align:center;padding:12px 4px}
.exam-timer b,.exam-timer span{display:block}.exam-timer b{font-size:clamp(22px,3vw,32px);color:var(--green2);line-height:1.2}.exam-timer span{font-size:12px;color:var(--muted)}
.exam-countdown .exam-note{margin-top:20px;font-size:13px}
.exam-list h3{margin:0 0 12px;font-size:19px}.exam-row{display:flex;align-items:center;gap:15px;border-top:1px solid var(--line);padding:13px 0}
.exam-row>div:last-child{min-width:0}.exam-row strong{display:block;font-size:15px;line-height:1.45}.exam-row>div:last-child span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.exam-date{flex:none;width:68px;text-align:center;border-radius:12px;background:#00c85318;color:var(--green2);padding:8px 3px}.exam-date b,.exam-date span{display:block}.exam-date b{font-size:23px;line-height:1.15}.exam-date span{font-size:11px}
.exam-empty{color:var(--muted)}.exam-row[hidden],.exam-timer[hidden],.exam-empty[hidden]{display:none}
.exam-rules{margin-top:18px;padding:18px 22px;border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--muted)}
.exam-rules summary{color:var(--text);font-weight:700;cursor:pointer}.exam-rules ul{padding-left:22px}.exam-rules li{margin:6px 0}.exam-rules p{margin-bottom:0;font-size:14px}
@media(max-width:800px){.exam-layout{grid-template-columns:1fr}.exam-section{padding:55px 0}.exam-countdown,.exam-list{padding:20px}}

/* Syllabus stays with its exam until that exam starts. */
.syllabus-intro{font-size:13px;color:var(--muted);margin:0 0 14px;line-height:1.5}
.exam-row{align-items:flex-start}
.exam-row>div:last-child{flex:1}
.exam-syllabus{margin-top:10px;border:1px solid #00c85344;border-radius:12px;background:#06180fa8}
.exam-syllabus[hidden]{display:none}
.exam-syllabus summary{padding:9px 12px;color:var(--green2);font-weight:700;font-size:14px;cursor:pointer}
.syllabus-content{padding:0 12px 10px;font-size:14px;color:var(--text);line-height:1.55}
.syllabus-content h4{margin:10px 0 4px;color:var(--gold);font-size:14px}
.syllabus-content ul{margin:5px 0 10px;padding-left:20px}
.syllabus-content li{margin:3px 0}
.syllabus-content p{color:var(--muted);font-size:13px;margin:10px 0 0}