:root{--jade-900:#0A3A34;--jade-700:#0F5C50;--jade-500:#2E8A78;--celadon:#E4F0EC;--mist:#F4F9F7;--ink:#14201E;--muted:#4F615E;--line:#CFE0DA;--saffron:#E3A92B;--saffron-d:#C98F16;--r:14px;--serif:'Noto Serif Bengali',Georgia,serif;--sans:'Hind Siliguri','Segoe UI',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:400 1.0625rem/1.75 var(--sans);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--jade-700);text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--saffron);outline-offset:2px}
h1,h2,h3,.h3{font-family:var(--serif);line-height:1.35;margin:0 0 .5em;font-weight:700;color:var(--jade-900)}
h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,3vw,2.1rem)}h3,.h3{font-size:1.25rem}
p{margin:0 0 1em}
.wrap{width:min(1160px,92%);margin-inline:auto}.narrow{width:min(820px,92%)}
.sr,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:fixed;top:8px;left:8px;background:#fff;padding:.5rem 1rem;z-index:99}
.btn{display:inline-block;padding:.8rem 1.5rem;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;transition:background .2s,color .2s,border-color .2s;cursor:pointer;font-family:inherit;font-size:1rem;line-height:1.4}
.btn-primary{background:var(--saffron);color:#2A1D00}.btn-primary:hover{background:var(--saffron-d);color:#fff}
.btn-ghost{border-color:#9ED7C8;color:#fff}.btn-ghost:hover{background:#fff;color:var(--jade-900)}
.btn-ghost-light{border-color:#fff;color:#fff}.btn-ghost-light:hover{background:#fff;color:var(--jade-900)}
.btn-sm{padding:.5rem 1.1rem;font-size:.95rem}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.5rem 0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--jade-900)}
.brand-logo{height:44px;width:auto}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--jade-900);color:var(--saffron)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text strong{font-family:var(--serif);font-size:1.15rem}.brand-text small{color:var(--muted);font-size:.8rem}
.site-nav{display:flex;align-items:center;gap:1.4rem}
.menu,.foot-list{list-style:none;margin:0;padding:0}
.site-nav .menu{display:flex;gap:1.3rem}
.site-nav .menu a{color:var(--ink);text-decoration:none;font-weight:500;padding:.3rem 0;border-bottom:2px solid transparent}
.site-nav .menu a:hover,.site-nav .current-menu-item a{border-color:var(--saffron)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle i,.nav-toggle i::before,.nav-toggle i::after{position:absolute;left:11px;right:11px;height:2px;background:var(--jade-900);content:""}
.nav-toggle i{top:21px}.nav-toggle i::before{top:-7px;left:0;right:0}.nav-toggle i::after{top:7px;left:0;right:0}
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--jade-900),#0C4A42 70%);color:#E8F3F0;padding:clamp(2.5rem,7vw,5.5rem) 0}
.meridian{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.mpath{fill:none;stroke:#7FC4B3;stroke-width:2;stroke-opacity:.55;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.8s ease-out .2s forwards}
.mdots circle{fill:var(--saffron);opacity:0;animation:pop .4s ease-out forwards}
.mdots circle:nth-child(1){animation-delay:.9s}.mdots circle:nth-child(2){animation-delay:1.5s}.mdots circle:nth-child(3){animation-delay:1.9s}.mdots circle:nth-child(4){animation-delay:2.5s}
@keyframes draw{to{stroke-dashoffset:0}}@keyframes pop{to{opacity:1}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(1.5rem,5vw,4rem);align-items:center}
.hero h1{color:#fff;max-width:14em}
.kicker{color:#9ED7C8;font-weight:500;margin-bottom:.8rem}
.hero .lead{max-width:36em;color:#CFE6E0}
.stats{display:flex;flex-wrap:wrap;gap:2rem;margin:2rem 0 0;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.2)}
.stats dt{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:#fff}.stats dd{margin:0;color:#9ED7C8;font-size:.95rem}
.hero-photo{margin:0;position:relative;max-width:420px;justify-self:center;width:100%}
.hero-photo img,.photo-ph{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:999px 999px var(--r) var(--r);border:6px solid rgba(255,255,255,.14)}
.photo-ph{display:grid;place-items:center;background:var(--jade-700);font:700 4rem var(--serif);color:var(--saffron)}
.hero-photo figcaption{position:absolute;left:50%;bottom:-1.2rem;transform:translateX(-50%);width:88%;background:#fff;color:var(--ink);border-radius:var(--r);padding:.8rem 1rem;text-align:center;display:flex;flex-direction:column;line-height:1.4;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.hero-photo figcaption strong{font-family:var(--serif);color:var(--jade-900)}.hero-photo figcaption span:last-child{font-size:.85rem;color:var(--muted)}
.badge{align-self:center;background:var(--celadon);color:var(--jade-700);font-size:.8rem;font-weight:600;padding:.05rem .7rem;border-radius:999px}
.section{padding:clamp(3rem,7vw,5.5rem) 0}.tint{background:var(--mist)}
.sec-head{max-width:40rem;margin-bottom:2.2rem}.sec-head p{color:var(--muted);margin:0}
.sec-head.row{max-width:none;display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap}
.link{font-weight:600}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.features article{border-top:3px solid var(--jade-700);padding-top:1.2rem}
.features .ico{color:var(--jade-700);margin-bottom:.6rem}.features p{color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;transition:border-color .2s}
.card:hover{border-color:var(--jade-500)}
.card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card-body{padding:1.4rem}.card-body p{color:var(--muted)}.more{color:var(--jade-700);font-weight:600}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.gallery a{position:relative;display:block;border-radius:var(--r);overflow:hidden;color:#fff;text-decoration:none}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery span{position:absolute;inset:auto 0 0;padding:2rem .9rem .7rem;background:linear-gradient(transparent,rgba(5,30,26,.85));font-size:.9rem;line-height:1.4}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:.8rem}
.faq summary{cursor:pointer;padding:1rem 1.3rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem;color:var(--jade-900)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--jade-700)}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 1.3rem 1rem;color:var(--muted)}
.cta{background:var(--jade-900);color:#CFE6E0;text-align:center;padding:clamp(3rem,6vw,4.5rem) 0}
.cta h2{color:#fff}.cta .actions{justify-content:center}
.page-head{background:var(--celadon);padding:clamp(2rem,5vw,3.5rem) 0;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(1.7rem,4vw,2.6rem);margin:0}.page-head .lead{margin:.6rem 0 0;color:var(--muted)}
.prose>*+*{margin-top:1em}.prose h2,.prose h3{margin-top:1.6em}.feat{border-radius:var(--r);margin-bottom:1.5rem;width:100%}
.prose ul,.prose ol{padding-left:1.4rem}
.inline-cta{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;margin-top:2.5rem;padding:1.3rem 1.5rem;background:var(--celadon);border-radius:var(--r)}
.inline-cta div{display:flex;flex-direction:column}.inline-cta span{color:var(--muted);font-size:.95rem}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}
.form{display:grid;gap:1.1rem}
.form label{display:grid;gap:.35rem;font-weight:600;color:var(--jade-900)}
.form input,.form textarea{font:inherit;padding:.75rem .9rem;border:1px solid #9DB8B1;border-radius:10px;background:#fff;color:var(--ink)}
.form .btn{justify-self:start}.hp{position:absolute;left:-9999px}
.notice{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1.5rem;font-weight:500}
.notice.ok{background:#DDF3E6;color:#0B4A2A}.notice.err{background:#FBE3E0;color:#7A1C12}
.small{color:var(--muted);font-size:.95rem;margin-top:1.5rem}
.navigation.pagination{margin-top:2rem}.nav-links{display:flex;gap:.5rem;flex-wrap:wrap}.page-numbers{padding:.4rem .9rem;border:1px solid var(--line);border-radius:8px;text-decoration:none}.page-numbers.current{background:var(--jade-700);color:#fff}
.site-footer{background:#07302B;color:#B9D3CD;padding-top:3.5rem;font-size:.98rem}
.site-footer a{color:#E8F3F0}.site-footer h2{font-size:1.05rem;color:#fff;font-family:var(--sans)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
.foot-brand{font-family:var(--serif);font-size:1.3rem;color:#fff;margin-bottom:.5rem}.foot-brand small{display:block;font-family:var(--sans);font-size:.85rem;color:#9ED7C8}
.foot-list li{margin-bottom:.45rem}
.foot-base{margin-top:2.5rem;padding:1.2rem 0;border-top:1px solid rgba(255,255,255,.12);font-size:.9rem}
.wa-float{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;gap:.5rem;align-items:center;background:#1FA855;color:#fff;padding:.65rem 1rem;border-radius:999px;font-weight:600;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float:hover{background:#178A44;color:#fff}
@media (max-width:900px){
.hero-grid,.features,.foot-grid{grid-template-columns:1fr}
.hero-photo{margin-bottom:1.5rem}
.nav-toggle{display:block}
.site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:1rem;padding:1rem 4%;display:none}
.site-nav.open{display:flex}
.site-nav .menu{flex-direction:column;gap:.2rem}.site-nav .menu a{display:block;padding:.6rem 0}
.site-nav .btn{text-align:center}
}
@media (max-width:520px){.wa-float span{display:none}.wa-float{padding:.8rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mpath{animation:none;stroke-dashoffset:0}.mdots circle{animation:none;opacity:1}.btn,.card{transition:none}}