:root{
  --ink:#13231b;
  --ink-soft:#42564c;
  --paper:#f7f8f4;
  --white:#fff;
  --green:#176b49;
  --green-deep:#0d3f2c;
  --green-soft:#dfece5;
  --gold:#c69b45;
  --gold-soft:#f3ead6;
  --line:#d8e0db;
  --max:1240px;
  --header:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Bengali","Hind Siliguri","Segoe UI",sans-serif;font-size:16px;line-height:1.72;letter-spacing:0}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{letter-spacing:0}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.skip-link{position:fixed;z-index:100;top:-80px;left:16px;background:var(--white);color:var(--green-deep);padding:10px 14px;border:2px solid var(--green)}
.skip-link:focus{top:16px}
.site-header{position:absolute;z-index:20;top:0;left:0;width:100%;height:var(--header);color:#fff;transition:background .25s,color .25s,box-shadow .25s}
.site-header.inner,.site-header.is-scrolled{position:fixed;background:rgba(255,255,255,.97);color:var(--ink);box-shadow:0 1px 0 rgba(13,63,44,.13)}
.nav-shell{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand img{width:47px;height:47px;object-fit:contain;background:#fff;border-radius:50%;padding:3px}
.brand span{display:flex;flex-direction:column;line-height:1.2}
.brand b{font-size:15px}.brand small{font-size:10px;opacity:.78}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:5px}
.site-nav a{padding:9px 10px;font-size:13px;font-weight:700;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a[aria-current="page"]{border-bottom-color:var(--gold)}
.nav-contact{margin-left:8px!important;border:1px solid currentColor!important;border-radius:4px;padding:8px 13px!important}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid currentColor;border-radius:4px;background:transparent;color:inherit;place-items:center;cursor:pointer}
.menu-toggle span,.menu-toggle::before,.menu-toggle::after{display:block;width:19px;height:2px;background:currentColor;content:"";transition:.2s}.menu-toggle span{margin:4px 0}
.home-hero{position:relative;height:88svh;min-height:640px;overflow:hidden;background:var(--green-deep);color:#fff}
.hero-media,.hero-media img,.hero-shade{position:absolute;inset:0;width:100%;height:100%}
.hero-media img{object-fit:cover;opacity:0;transform:scale(1.035);transition:opacity 1.2s ease,transform 7s ease}
.hero-media img.active{opacity:1;transform:scale(1)}
.hero-shade{background:linear-gradient(90deg,rgba(6,27,19,.86) 0%,rgba(6,27,19,.58) 47%,rgba(6,27,19,.18) 78%),linear-gradient(0deg,rgba(6,27,19,.42),transparent 46%)}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-top:var(--header);max-width:780px}
.hero-brand{margin:0 0 18px;color:#fff;font-size:clamp(18px,2vw,27px);font-weight:850}
.hero-quote{max-width:730px;margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(34px,5vw,66px);font-weight:600;line-height:1.18}
.hero-copy{max-width:660px;margin:20px 0 0;color:rgba(255,255,255,.88);font-size:clamp(14px,1.3vw,18px)}
.hero-actions{display:flex;gap:10px;margin-top:27px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--green-deep);border-radius:4px;padding:9px 16px;background:var(--green);color:#fff;font-size:13px;font-weight:800;transition:transform .18s,background .18s,color .18s}
.button:hover{transform:translateY(-2px);background:var(--green-deep)}
.button.light{border-color:#fff;background:#fff;color:var(--green-deep)}
.button.ghost{border-color:rgba(255,255,255,.65);background:transparent;color:#fff}.button.ghost:hover{background:#fff;color:var(--green-deep)}
.hero-foot{position:absolute;z-index:3;bottom:21px;left:0;width:100%}.hero-foot .container{display:flex;align-items:center;justify-content:space-between;color:rgba(255,255,255,.78);font-size:11px}.scroll-mark{display:flex;align-items:center;gap:8px}.scroll-mark::before{width:34px;height:1px;background:var(--gold);content:""}
.band{padding:96px 0}.band.white{background:#fff}.band.green{background:var(--green-deep);color:#fff}.band.gold{background:var(--gold-soft)}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.75fr);gap:70px;align-items:end;margin-bottom:50px}
.eyebrow{margin:0 0 12px;color:var(--green);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.green .eyebrow{color:#dabb77}
h1,h2,h3,h4,p{overflow-wrap:anywhere}
h1,h2,h3,h4{letter-spacing:0}
.section-head h2,.display-title{max-width:760px;margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(32px,4vw,54px);font-weight:600;line-height:1.17}
.section-head>p{margin:0;color:var(--ink-soft);font-size:16px}.green .section-head>p{color:rgba(255,255,255,.72)}
.lead-statement{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:70px;align-items:start}
.lead-statement h2{position:sticky;top:120px;margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(30px,4vw,52px);font-weight:600;line-height:1.25}
.lead-copy>p{margin:0 0 25px;color:var(--ink-soft);font-size:18px}.lead-copy strong{color:var(--green-deep)}
.principles{border-top:1px solid var(--line);margin-top:38px}
.principle{display:grid;grid-template-columns:70px minmax(0,1fr);gap:20px;padding:29px 0;border-bottom:1px solid var(--line)}
.principle>span{color:var(--gold);font:600 28px Georgia,serif}.principle h3{margin:0 0 8px;font-size:20px}.principle p{margin:0;color:var(--ink-soft);font-size:14px}
.program-list{border-top:1px solid rgba(216,224,219,.65)}
.program-row{display:grid;grid-template-columns:72px 1fr minmax(260px,.9fr) 26px;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid rgba(216,224,219,.65);transition:padding .2s,background .2s}
.program-row:hover{padding-left:12px}.program-row>span{color:var(--gold);font:600 24px Georgia,serif}.program-row h3{margin:0;font-size:21px}.program-row p{margin:0;color:var(--ink-soft);font-size:13px}.program-row i{font-style:normal;color:var(--green);font-size:22px}.green .program-row p{color:rgba(255,255,255,.66)}.green .program-row i{color:#dabb77}
.image-story{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:0;background:#fff}.image-story figure{min-height:600px;margin:0;overflow:hidden}.image-story img{width:100%;height:100%;object-fit:cover}.image-story .story-copy{display:flex;flex-direction:column;justify-content:center;padding:70px}.story-copy h2{margin:0 0 22px;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(31px,4vw,52px);font-weight:600;line-height:1.2}.story-copy p{color:var(--ink-soft)}
.fact-line{display:grid;grid-template-columns:repeat(3,1fr);margin-top:35px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.fact-line div{padding:19px 15px;border-right:1px solid var(--line)}.fact-line div:last-child{border:0}.fact-line b{display:block;color:var(--green-deep);font-size:20px}.fact-line small{color:var(--ink-soft);font-size:10px}
.area-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:60px}.area-index{position:sticky;top:115px;align-self:start;border-top:1px solid var(--line)}.area-index a,.area-filter{display:flex;width:100%;align-items:center;justify-content:space-between;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);font-size:13px;font-weight:750;text-align:left;cursor:pointer}.area-index a::after,.area-filter::after{content:"→";color:var(--green)}.area-index a:hover,.area-filter:hover,.area-filter.active{color:var(--green)}
.area-table{width:100%;border-collapse:collapse}.area-table tr{border-top:1px solid var(--line)}.area-table tr:last-child{border-bottom:1px solid var(--line)}.area-table th,.area-table td{padding:19px 12px;text-align:left;vertical-align:top}.area-table th{width:28%;color:var(--green-deep);font-size:16px}.area-table td{color:var(--ink-soft);font-size:14px}.area-table ul{margin:0;padding-left:19px}.area-table li{margin:4px 0}
.partner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}.partner{background:#fff;padding:48px}.partner small{color:var(--gold);font-size:11px;font-weight:900}.partner h3{margin:10px 0 14px;font-size:25px}.partner p{color:var(--ink-soft)}
.editorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.story-card{background:#fff;border-bottom:3px solid var(--green)}.story-card figure{height:245px;margin:0;overflow:hidden}.story-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.story-card:hover img{transform:scale(1.035)}.story-card>div{padding:22px}.story-card time,.story-card small{color:var(--green);font-size:10px;font-weight:800}.story-card h3{margin:8px 0 10px;font-size:19px;line-height:1.35}.story-card p{margin:0;color:var(--ink-soft);font-size:13px}
.event-list{border-top:1px solid var(--line)}.event-row{display:grid;grid-template-columns:150px 1fr minmax(250px,.75fr);gap:30px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start}.event-row strong{color:var(--green);font-size:13px}.event-row h3{margin:0;font-size:21px}.event-row p{margin:0;color:var(--ink-soft);font-size:13px}
.closing-band{position:relative;overflow:hidden;padding:90px 0;background:var(--green-deep);color:#fff}.closing-band::after{position:absolute;right:-8%;bottom:-70%;width:470px;height:470px;border:1px solid rgba(255,255,255,.15);border-radius:50%;content:""}.closing-band .container{position:relative;z-index:1;display:flex;align-items:end;justify-content:space-between;gap:50px}.closing-band h2{max-width:780px;margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(32px,4vw,52px);font-weight:600;line-height:1.2}.closing-band p{max-width:520px;color:rgba(255,255,255,.7)}
.inner-hero{position:relative;min-height:560px;display:flex;align-items:end;overflow:hidden;background:var(--green-deep);color:#fff}.inner-hero>img,.inner-hero::after{position:absolute;inset:0;width:100%;height:100%}.inner-hero>img{object-fit:cover}.inner-hero::after{content:"";background:linear-gradient(90deg,rgba(6,27,19,.82),rgba(6,27,19,.26)),linear-gradient(0deg,rgba(6,27,19,.65),transparent 55%)}.inner-hero .container{position:relative;z-index:1;padding-bottom:68px}.inner-hero h1{max-width:780px;margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(42px,6vw,76px);font-weight:600;line-height:1.1}.inner-hero p{max-width:650px;margin:17px 0 0;color:rgba(255,255,255,.82)}
.page-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.page-intro h2{margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:clamp(30px,4vw,48px);font-weight:600;line-height:1.2}.page-intro div p{margin-top:0;color:var(--ink-soft);font-size:17px}
.value-list{margin-top:45px;border-top:1px solid var(--line)}.value-list article{display:grid;grid-template-columns:55px 230px 1fr;gap:25px;padding:23px 0;border-bottom:1px solid var(--line)}.value-list span{color:var(--gold);font:600 23px Georgia,serif}.value-list h3{margin:0;font-size:18px}.value-list p{margin:0;color:var(--ink-soft);font-size:13px}
.programme-detail{display:grid;grid-template-columns:340px minmax(0,1fr);gap:60px;padding:50px 0;border-top:1px solid var(--line)}.programme-detail:last-child{border-bottom:1px solid var(--line)}.programme-detail h2{margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:30px;font-weight:600}.programme-detail .detail-copy>p{margin-top:0;color:var(--ink-soft)}.detail-points{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:24px}.detail-points div{border-left:3px solid var(--gold);padding-left:15px}.detail-points b{display:block;font-size:14px}.detail-points small{color:var(--ink-soft)}
.district-panel{display:none}.district-panel.active{display:block;animation:fadeUp .35s ease}.district-head{display:flex;align-items:end;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:10px}.district-head h2{margin:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:38px;font-weight:600}.district-head small{color:var(--green);font-weight:800}
.seminar-themes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.seminar-theme{padding:30px 0;border-top:3px solid var(--gold)}.seminar-theme h3{margin:0 0 10px}.seminar-theme p{color:var(--ink-soft);font-size:13px}
.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:70px}.contact-details{border-top:1px solid var(--line)}.contact-details div{padding:20px 0;border-bottom:1px solid var(--line)}.contact-details small{display:block;color:var(--green);font-weight:800}.contact-details b{display:block;margin-top:5px;font-size:18px}.contact-note{background:var(--green-deep);color:#fff;padding:48px}.contact-note h2{margin-top:0;font-family:Georgia,"Noto Serif Bengali",serif;font-size:34px;font-weight:600}.contact-note p{color:rgba(255,255,255,.74)}
.site-footer{background:#0a2d20;color:#fff;padding:70px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:70px}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand img{width:62px;height:62px;border-radius:50%;background:#fff;padding:4px}.footer-brand b{display:block;font-size:19px}.footer-brand span span{display:block;color:rgba(255,255,255,.68);font-size:12px}.footer-motto{max-width:430px;margin:20px 0;color:rgba(255,255,255,.67)}.footer-grid h3{margin:0 0 13px;color:#dabb77;font-size:13px}.footer-grid a,.footer-grid address{display:block;margin:7px 0;color:rgba(255,255,255,.7);font-size:12px;font-style:normal}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:19px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.48);font-size:10px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media(max-width:1050px){.site-nav a{padding-inline:7px;font-size:12px}.section-head{gap:40px}.image-story .story-copy{padding:48px}.program-row{grid-template-columns:55px 1fr minmax(220px,.8fr) 20px}.editorial-grid{gap:15px}}
@media(max-width:860px){:root{--header:70px}.container{width:min(var(--max),calc(100% - 30px))}.menu-toggle{display:grid}.site-nav{position:fixed;z-index:30;inset:70px 0 auto;display:flex;flex-direction:column;align-items:stretch;gap:0;background:#fff;color:var(--ink);padding:14px 18px 25px;border-bottom:1px solid var(--line);box-shadow:0 18px 35px rgba(8,31,22,.14);transform:translateY(-130%);transition:transform .25s}.menu-open .site-nav{transform:none}.site-nav a{padding:12px 5px;border-bottom:1px solid var(--line);font-size:14px}.nav-contact{margin:10px 0 0!important;text-align:center}.menu-open .menu-toggle span{opacity:0}.menu-open .menu-toggle::before{transform:translateY(6px) rotate(45deg)}.menu-open .menu-toggle::after{transform:translateY(-6px) rotate(-45deg)}.home-hero{height:88svh;min-height:580px}.hero-quote{font-size:clamp(33px,8vw,53px)}.section-head,.lead-statement,.page-intro,.contact-grid{grid-template-columns:1fr;gap:28px}.lead-statement h2{position:static}.program-row{grid-template-columns:48px 1fr 20px}.program-row p{grid-column:2/4;margin-top:-10px}.image-story{grid-template-columns:1fr}.image-story figure{min-height:430px}.image-story .story-copy{padding:45px 28px}.area-layout{grid-template-columns:1fr;gap:28px}.area-index{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:0}.area-index a,.area-filter{padding:11px;border:1px solid var(--line);margin:-1px 0 0 -1px}.area-index a::after,.area-filter::after{display:none}.partner-grid{grid-template-columns:1fr}.editorial-grid{grid-template-columns:repeat(2,1fr)}.event-row{grid-template-columns:110px 1fr}.event-row p{grid-column:2}.closing-band .container{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.programme-detail{grid-template-columns:1fr;gap:20px}.value-list article{grid-template-columns:45px 190px 1fr}.seminar-themes{grid-template-columns:1fr}.inner-hero{min-height:490px}}
@media(max-width:580px){body{font-size:15px}.brand{min-width:0}.brand b{font-size:13px}.brand small{font-size:9px}.home-hero{height:89svh;min-height:540px}.hero-content{padding-top:92px}.hero-brand{font-size:16px;margin-bottom:12px}.hero-quote{font-size:clamp(30px,9.3vw,43px)}.hero-copy{font-size:13px;line-height:1.6;margin-top:15px}.hero-actions{margin-top:18px}.hero-foot{bottom:12px}.hero-foot .container>span:last-child{display:none}.band{padding:68px 0}.section-head{margin-bottom:34px}.section-head h2,.display-title{font-size:34px}.lead-copy>p{font-size:16px}.principle{grid-template-columns:45px 1fr;gap:12px}.program-row{grid-template-columns:35px 1fr 17px;gap:10px;padding:20px 0}.program-row h3{font-size:17px}.image-story figure{min-height:320px}.fact-line{grid-template-columns:1fr}.fact-line div{border-right:0;border-bottom:1px solid var(--line)}.fact-line div:last-child{border-bottom:0}.area-index{grid-template-columns:repeat(2,1fr)}.area-table,.area-table tbody,.area-table tr,.area-table th,.area-table td{display:block}.area-table th{width:auto;padding-bottom:3px}.area-table td{padding-top:3px}.partner{padding:32px 24px}.editorial-grid{grid-template-columns:1fr}.event-row{grid-template-columns:1fr;gap:5px}.event-row p{grid-column:auto}.inner-hero{min-height:450px}.inner-hero .container{padding-bottom:45px}.inner-hero h1{font-size:43px}.value-list article{grid-template-columns:38px 1fr}.value-list p{grid-column:2}.detail-points{grid-template-columns:1fr}.district-head{align-items:flex-start;flex-direction:column;gap:4px}.footer-grid{grid-template-columns:1fr;gap:35px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.contact-note{padding:35px 26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.hero-media img,.story-card img,.button{transition:none!important;transform:none!important}.hero-media img{display:none}.hero-media img:first-child{display:block;opacity:1}}