body{margin:0;background:#fff}
*{box-sizing:border-box}
a{color:#032855}a:hover{color:#0B7A3E}
.oe{font-family:'Hind Siliguri','Sora',system-ui,sans-serif;color:#0B1F3A;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.lat{font-family:'Sora','Hind Siliguri',system-ui,sans-serif}
a:focus-visible,button:focus-visible{outline:2px solid #1DC966;outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:12px;font:600 16px 'Hind Siliguri','Sora',sans-serif;text-decoration:none;border:0;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s,transform .2s}
.btn svg{transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:#1DC966;color:#032855}
.btn-primary:hover{background:#2BDB77;color:#032855;box-shadow:0 12px 28px -12px rgba(29,201,102,.8)}
.btn-dark{background:#032855;color:#fff}
.btn-dark:hover{background:#0B3A75;color:#fff}
.btn-line{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}

/* announcement + header */
.ann{background:#021A3A;color:#C9D4E5;font-size:14px}
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid #E6EBF2}
.nav a{color:#33445C;text-decoration:none;font-weight:500;font-size:15px;padding:10px 2px;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:#1DC966;transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.nav a:hover{color:#032855}.nav a:hover::after{transform:scaleX(1)}
.code{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:0 10px;border-radius:8px;border:1px dashed currentColor;background:transparent;font:700 13px 'Sora',sans-serif;letter-spacing:.06em;color:inherit;cursor:pointer;transition:background .2s}
.code:hover{background:rgba(29,201,102,.12)}

/* hero */
.hero{position:relative;background:#032855;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 70% 40%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 70% 80% at 70% 40%,#000 30%,transparent 75%)}
.glow{position:absolute;width:640px;height:640px;right:-120px;top:-120px;border-radius:50%;background:radial-gradient(circle,rgba(29,201,102,.20),transparent 65%);animation:drift 14s ease-in-out infinite alternate}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:#8EF0B8}
.eyebrow i{width:28px;height:1px;background:#1DC966}
.in > *{animation:rise .9s cubic-bezier(.2,.8,.2,1) both}
.in > *:nth-child(2){animation-delay:.1s}.in > *:nth-child(3){animation-delay:.2s}.in > *:nth-child(4){animation-delay:.3s}.in > *:nth-child(5){animation-delay:.4s}
.stack{display:flex;align-items:center}
.stack .lg{width:40px;height:40px;margin-left:-10px;box-shadow:0 0 0 3px #032855}
.stack .lg:first-child{margin-left:0}

/* orbit */
.orbit{--o:clamp(320px,38vw,500px);position:relative;width:var(--o);height:var(--o);flex:none;animation:fadein 1.2s .2s both}
.track1,.track2{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.track1{inset:4%}.track2{inset:23%}
.track1::after,.track2::after{content:"";position:absolute;inset:-1px;border-radius:50%;border:1px solid transparent;border-top-color:rgba(29,201,102,.7);animation:spin 6s linear infinite}
.track2::after{animation-duration:4s;animation-direction:reverse}
.ringA,.ringB{position:absolute;inset:0}
.ringA{animation:spin 90s linear infinite}
.ringB{animation:spin 70s linear infinite reverse}
.slot{position:absolute;left:50%;top:50%}
.ringA .slot{--l:clamp(46px,4.8vw,64px);--r:calc(var(--o)*.46)}
.ringB .slot{--l:clamp(38px,3.8vw,52px);--r:calc(var(--o)*.27)}
.slot{width:var(--l);height:var(--l);margin:calc(var(--l)/-2) 0 0 calc(var(--l)/-2)}
.ringA .slot .lg{width:100%;height:100%;animation:spin 90s linear infinite reverse;box-shadow:0 10px 30px -8px rgba(0,0,0,.6),0 0 0 2px rgba(255,255,255,.9);transition:transform .3s}
.ringB .slot .lg{width:100%;height:100%;animation:spin 70s linear infinite;box-shadow:0 10px 30px -8px rgba(0,0,0,.6),0 0 0 2px rgba(255,255,255,.9)}
.a0{transform:rotate(0deg) translateX(var(--r)) rotate(0deg)}.a1{transform:rotate(60deg) translateX(var(--r)) rotate(-60deg)}.a2{transform:rotate(120deg) translateX(var(--r)) rotate(-120deg)}.a3{transform:rotate(180deg) translateX(var(--r)) rotate(-180deg)}.a4{transform:rotate(240deg) translateX(var(--r)) rotate(-240deg)}.a5{transform:rotate(300deg) translateX(var(--r)) rotate(-300deg)}
.b0{transform:rotate(30deg) translateX(var(--r)) rotate(-30deg)}.b1{transform:rotate(90deg) translateX(var(--r)) rotate(-90deg)}.b2{transform:rotate(150deg) translateX(var(--r)) rotate(-150deg)}.b3{transform:rotate(210deg) translateX(var(--r)) rotate(-210deg)}.b4{transform:rotate(270deg) translateX(var(--r)) rotate(-270deg)}.b5{transform:rotate(330deg) translateX(var(--r)) rotate(-330deg)}
.core{position:absolute;left:50%;top:50%;width:27%;height:27%;transform:translate(-50%,-50%);border-radius:28%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 10px rgba(29,201,102,.10),0 0 0 22px rgba(29,201,102,.05),0 30px 60px -20px rgba(0,0,0,.7)}
.core::before{content:"";position:absolute;inset:-10px;border-radius:32%;border:1.5px solid rgba(29,201,102,.65);animation:pulse 3s ease-out infinite}
.core img{width:88%;height:auto}

/* logos */
.lg{display:block;border-radius:50%;background-image:url(assets/partner-logos.png);background-size:1200% 100%;background-repeat:no-repeat;background-color:#fff}
.lg-0{background-position:0% 0}.lg-1{background-position:9.0909% 0}.lg-2{background-position:18.1818% 0}.lg-3{background-position:27.2727% 0}.lg-4{background-position:36.3636% 0}.lg-5{background-position:45.4545% 0}.lg-6{background-position:54.5455% 0}.lg-7{background-position:63.6364% 0}.lg-8{background-position:72.7273% 0}.lg-9{background-position:81.8182% 0}.lg-10{background-position:90.9091% 0}.lg-11{background-position:100% 0}

/* video */
.player{position:relative;display:block;border-radius:24px;overflow:hidden;background:#021A3A;box-shadow:0 40px 90px -40px rgba(3,40,85,.65),0 0 0 1px rgba(3,40,85,.06)}
.player img{display:block;width:100%;height:auto;transition:transform 1.2s cubic-bezier(.2,.8,.2,1),filter .6s}
.player:hover img{transform:scale(1.03);filter:brightness(.9)}
.play{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;background:rgba(255,255,255,.95);display:flex;align-items:center;justify-content:center;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.play::before,.play::after{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px solid rgba(255,255,255,.7);animation:ripple 2.4s ease-out infinite}
.play::after{animation-delay:1.2s}
.player:hover .play{transform:scale(1.08)}

/* stats */
.stat{padding:8px 28px;border-left:1px solid #E6EBF2}
.stat:first-child{border-left:0;padding-left:0}

/* section heads */
.kicker{font-size:15px;font-weight:600;color:#0B7A3E;display:flex;align-items:center;gap:10px}
.kicker i{width:22px;height:2px;background:#1DC966;border-radius:2px}
.h2{margin:10px 0 0;font-size:clamp(32px,3.6vw,46px);line-height:1.18;font-weight:700;color:#032855;letter-spacing:-.005em}
.lead{margin:14px 0 0;font-size:18px;line-height:1.7;color:#51627A;max-width:56ch}

/* tabs */
.tabs{display:flex;gap:4px;padding:4px;border-radius:14px;background:#F1F4F8;width:max-content;max-width:100%;overflow-x:auto}
.tabb{min-height:44px;padding:0 20px;border-radius:10px;border:0;background:transparent;color:#51627A;font:600 15px 'Hind Siliguri','Sora',sans-serif;cursor:pointer;white-space:nowrap;transition:background .25s,color .25s,box-shadow .25s}
.tabb:hover{color:#032855}
.tabb.on{background:#fff;color:#032855;box-shadow:0 1px 2px rgba(3,40,85,.08),0 4px 12px -4px rgba(3,40,85,.18)}

/* carousel */
.cview{--cw:clamp(296px,31vw,376px);overflow:hidden;padding:14px 2px 30px;margin:0 -2px}
.ctrack{display:flex;gap:22px;transition:transform .7s cubic-bezier(.22,.9,.24,1)}
.card{flex:none;width:var(--cw);border-radius:22px;background:#fff;border:1px solid #E6EBF2;display:flex;flex-direction:column;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s;animation:pop .55s cubic-bezier(.2,.8,.2,1) both}
.card:hover{transform:translateY(-6px);border-color:#CFE9DA;box-shadow:0 30px 60px -32px rgba(3,40,85,.4)}
.segtag{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:7px;background:#EAF1FB;color:#032855;font-size:13px;font-weight:700}
.off{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:7px;background:#E3F8EC;color:#0B6B37;font-size:13px;font-weight:700}
.li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.55;color:#33445C}
.li svg{flex:none;margin-top:3px}
.arrow{width:48px;height:48px;border-radius:12px;border:1px solid #DCE3EC;background:#fff;color:#032855;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}
.arrow:hover{border-color:#032855;background:#032855;color:#fff}
.arrow:disabled{opacity:.35;cursor:default;background:#fff;color:#032855;border-color:#DCE3EC}
.dot{width:8px;height:8px;padding:0;border-radius:4px;border:0;background:#D3DBE6;cursor:pointer;transition:width .35s,background .35s}
.dot.on{width:28px;background:#032855}

/* free kit */
.kit{position:relative;border-radius:28px;background:#032855;color:#fff;overflow:hidden}
.kit::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);mask-image:linear-gradient(90deg,transparent,#000 60%)}
.kitem{position:relative;padding:22px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:14px;transition:background .3s,transform .4s cubic-bezier(.2,.8,.2,1),border-color .3s}
.kitem:hover{background:rgba(255,255,255,.09);border-color:rgba(29,201,102,.5);transform:translateY(-4px)}
.kic{width:44px;height:44px;border-radius:12px;background:rgba(29,201,102,.15);display:flex;align-items:center;justify-content:center}

/* timeline */
.phase{position:relative;padding:30px 30px 30px 30px;border-radius:22px;border:1px solid #E6EBF2;background:#fff}
.pnum{font:700 13px 'Sora',sans-serif;color:#0B7A3E;letter-spacing:.04em}
.tool{padding:26px 24px;border-top:1px solid #E6EBF2;display:flex;gap:16px;align-items:flex-start;transition:background .3s}
.tool:hover{background:#F7FAFC}
.tic{flex:none;width:44px;height:44px;border-radius:12px;background:#F1F4F8;display:flex;align-items:center;justify-content:center;transition:background .3s}
.tool:hover .tic{background:#E3F8EC}

/* teachers */
.tview{--tw:clamp(262px,27vw,320px);overflow:hidden;padding:14px 2px 26px;margin:0 -2px}
.tcard{flex:none;width:var(--tw);border-radius:22px;background:#fff;border:1px solid #E6EBF2;overflow:hidden;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.tcard:hover{transform:translateY(-6px);box-shadow:0 30px 60px -32px rgba(3,40,85,.4)}
.pst{width:100%;aspect-ratio:1/1;background-image:url(assets/teacher-posters.jpg);background-size:800% 100%;background-repeat:no-repeat;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.tcard:hover .pst{transform:scale(1.03)}
.pst-0{background-position:0% 0}.pst-1{background-position:14.2857% 0}.pst-2{background-position:28.5714% 0}.pst-3{background-position:42.8571% 0}.pst-4{background-position:57.1429% 0}.pst-5{background-position:71.4286% 0}.pst-6{background-position:85.7143% 0}.pst-7{background-position:100% 0}
.tn{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:8px;background:#F1F4F8;color:#24364F;font-weight:600;font-size:13.5px}
.prog{height:2px;background:#E6EBF2;border-radius:2px;overflow:hidden;flex:1;max-width:240px}
.prog b{display:block;height:100%;background:#032855}
.pA b{animation:fillA 4.5s linear both}.pB b{animation:fillB 4.5s linear both}

/* partners */
.ptile{border-radius:18px;border:1px solid #E6EBF2;background:#fff;padding:22px 18px 16px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;transition:border-color .3s,box-shadow .3s,transform .4s cubic-bezier(.2,.8,.2,1)}
.ptile:hover{border-color:#CFE9DA;transform:translateY(-4px);box-shadow:0 24px 50px -30px rgba(3,40,85,.4)}
.ptile .lg{width:68px;height:68px;filter:grayscale(1);opacity:.85;transition:filter .4s,opacity .4s;box-shadow:0 0 0 1px #E6EBF2}
.ptile:hover .lg{filter:none;opacity:1}
.ico{width:44px;height:44px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;color:#51627A;transition:background .2s,color .2s}
.ico:hover{background:#032855;color:#fff}
.marq{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.mtrack{display:flex;gap:44px;width:max-content;animation:slide 46s linear infinite;align-items:center}
.marq:hover .mtrack{animation-play-state:paused}
.mitem{display:flex;align-items:center;gap:12px;color:#51627A;font-weight:600;font-size:15px;white-space:nowrap;filter:grayscale(1);opacity:.75;transition:filter .3s,opacity .3s}
.mitem:hover{filter:none;opacity:1}

/* cta */
.cta{position:relative;border-radius:28px;background:#032855;color:#fff;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at 85% 50%,#000,transparent 70%);mask-image:radial-gradient(ellipse at 85% 50%,#000,transparent 70%)}
.ticket{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px 14px 20px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14)}
.foot a{color:#B9C6DA;text-decoration:none;font-size:15px}
.foot a:hover{color:#fff}

@keyframes spin{to{transform:rotate(360deg)}}
@keyframes slide{to{transform:translateX(-50%)}}
@keyframes pulse{0%{transform:scale(.94);opacity:.9}100%{transform:scale(1.35);opacity:0}}
@keyframes ripple{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.7);opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(-80px,60px)}}
@keyframes fillA{from{width:0}to{width:100%}}
@keyframes fillB{from{width:0}to{width:100%}}
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.show{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none !important;transition:none !important}.rv{opacity:1;transform:none}}
@media (max-width:900px){.nav{display:none !important}.stat{border-left:0;padding-left:0}}
@media (max-width:600px){.hide-sm{display:none !important}}

.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.player.playing{aspect-ratio:16/9}
.player.playing img,.player.playing .play{display:none}
button.player{border:0;padding:0;width:100%;cursor:pointer;text-align:left}
.cview,.tview{touch-action:pan-y}