@font-face{font-family:'Playfair';src:url('../assets/fonts/Playfair.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Playfair';src:url('../assets/fonts/PlayfairItalic.woff2') format('woff2');font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:'Cormorant';src:url('../assets/fonts/Cormorant.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Cormorant';src:url('../assets/fonts/CormorantItalic.woff2') format('woff2');font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:'Hind';src:url('../assets/fonts/HindSiliguri-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Hind';src:url('../assets/fonts/HindSiliguri-Medium.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Hind';src:url('../assets/fonts/HindSiliguri-SemiBold.woff2') format('woff2');font-weight:600;font-display:swap}
:root{--navy:#1F2A4A;--teal:#2E8A8F;--teald:#1F6E74;--mint:#EAF6F4;--mint2:#D3ECEA;--ink:#243044;--muted:#5E6B7A;--line:#C7E1DE;--bg:#F7FBFA}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Cormorant',serif;color:var(--ink);background:var(--bg);line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.bn{font-family:'Hind',sans-serif}
.wrap{width:min(1180px,92vw);margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(247,251,250,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:14px;height:66px}
.logo{display:flex;flex-direction:column;line-height:1.05}
.logo b{font-family:'Playfair';font-weight:650;color:var(--navy);font-size:18px;letter-spacing:.2px}
.logo i{font-family:'Cormorant';font-style:italic;color:var(--teal);font-size:14px}
.logo .bn{color:var(--teal);font-weight:600;font-size:12px}
nav{display:flex;gap:16px;margin-left:auto;font-family:'Cormorant';font-size:17px}
nav a{color:var(--navy)} nav a:hover{color:var(--teal)}
.lang{border:1px solid var(--teal);color:var(--teal);background:#fff;border-radius:999px;padding:4px 12px;font-family:'Hind';font-size:13px;cursor:pointer}
.burger{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(100deg,#E7F4F2 0%,#BFE0DE 48%,#2F8C90 100%)}
.hero svg.bg{position:absolute;inset:0;width:100%;height:100%}
.hero .wrap{position:relative;z-index:2;padding:48px 0 64px}
.kicker{font-family:'Hind';font-weight:600;color:var(--teal);font-size:20px}
h1{font-family:'Playfair';font-weight:650;color:var(--navy);font-size:clamp(34px,6vw,68px);line-height:1.05;letter-spacing:.2px}
.rule{display:flex;align-items:center;gap:12px;margin:10px 0 14px}
.rule:before,.rule:after{content:"";width:42px;height:1px;background:var(--teal)}
.rule span{font-family:'Cormorant';font-style:italic;color:var(--teal);font-size:22px}
.lead{font-size:22px;color:var(--navy);max-width:640px}
.lead .bn{display:block;color:var(--teal);font-size:16px;margin-top:2px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 22px;font-family:'Hind';font-size:15px;border:1.5px solid var(--navy)}
.btn.solid{background:var(--navy);color:#fff}
.btn.ghost{background:rgba(255,255,255,.6);color:var(--navy)}
.btn.wa{background:#1FA855;border-color:#1FA855;color:#fff}
.btn:hover{transform:translateY(-1px)}
section{padding:64px 0}
.sec-h{margin-bottom:22px}
.sec-h .kk{font-family:'Cormorant';font-variant:small-caps;letter-spacing:2px;color:var(--teal);font-size:15px}
.sec-h h2{font-family:'Playfair';font-weight:650;color:var(--navy);font-size:clamp(28px,4vw,42px);line-height:1.1}
.sec-h h2 .bn{display:block;font-weight:500;color:var(--teal);font-size:.5em;margin-top:2px}
.sec-h p{color:var(--muted);font-size:19px;max-width:680px}
.sec-h p .bn{display:block;font-size:15px;color:var(--teal)}
.about{background:#fff}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.facts div{border-left:2px solid var(--teal);padding:4px 0 4px 14px}
.facts b{font-family:'Playfair';font-weight:600;color:var(--navy);font-size:20px;display:block}
.facts i{font-style:normal;font-family:'Hind';color:var(--teal);font-size:13px;display:block}
.facts span{font-size:16px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
.steps div{background:var(--mint);border-radius:12px;padding:16px}
.steps .rn{font-family:'Playfair';font-style:italic;color:var(--teal);font-size:22px}
.steps b{display:block;color:var(--navy);font-size:20px}
.steps i{font-style:normal;font-family:'Hind';color:var(--teal);font-size:13px;display:block;margin-bottom:4px}
.cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.cats button{font-family:'Hind';font-size:13.5px;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:6px 13px;cursor:pointer}
.cats button.on{background:var(--teal);color:#fff;border-color:var(--teal)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card{position:relative;border-radius:12px;overflow:hidden;background:#dcefed;cursor:pointer;aspect-ratio:4/3}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover img{transform:scale(1.04)}
.card.wide{grid-column:span 2;aspect-ratio:16/9}
.more{margin-top:16px;text-align:center}
.proj{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:28px;align-items:center}
.proj:nth-child(even){grid-template-columns:1fr 1.4fr}
.proj:nth-child(even) .pt{order:-1}
.proj img{width:100%;height:320px;object-fit:cover;border-radius:14px}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:8px}
.thumbs img{height:84px;border-radius:8px;cursor:pointer;object-fit:cover;width:100%}
.pt h3{font-family:'Playfair';color:var(--navy);font-size:30px;font-weight:650}
.pt h3 .bn{display:block;font-family:'Hind';color:var(--teal);font-size:16px;font-weight:500}
.pt p{font-size:18px;color:var(--muted);margin-top:6px}
.pt p .bn{display:block;font-size:14.5px;color:var(--teal)}
.why{background:linear-gradient(160deg,#EAF6F4,#fff)}
.why .facts div{background:#fff;border:1px solid var(--line);border-left:2px solid var(--teal);border-radius:10px;padding:14px}
.contact{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,#1F6E74,#1F2A4A)}
.contact svg.bg{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.contact .wrap{position:relative;z-index:2}
.contact h2,.contact h2 .bn{color:#fff}
.contact .sec-h .kk{color:#BFE0DE}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.map{border:0;width:100%;height:320px;border-radius:14px}
.ci{margin:8px 0;font-size:20px}
.ci .bn{display:block;font-size:14px;color:#BFE0DE}
.note{margin-top:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:14px;font-size:18px}
footer{background:var(--navy);color:#cfe;text-align:center;padding:18px;font-size:15px}
footer .bn{color:#9fd}
.lb{position:fixed;inset:0;background:rgba(16,26,40,.92);z-index:50;display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:92vw;max-height:86vh;border-radius:8px}
.lb button{position:absolute;top:14px;right:18px;background:none;border:0;color:#fff;font-size:34px;cursor:pointer}
.sample-banner{background:#fff4d6;color:#6a4b00;text-align:center;font-family:'Hind';font-size:13px;padding:6px}
@media(max-width:860px){
 nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 6vw 18px;border-bottom:1px solid var(--line)}
 nav.on{display:flex}
 .burger{display:block;margin-left:auto}
 .facts,.steps{grid-template-columns:1fr 1fr}
 .grid{grid-template-columns:1fr 1fr}
 .card.wide{grid-column:span 2}
 .proj,.proj:nth-child(even){grid-template-columns:1fr}
 .proj:nth-child(even) .pt{order:0}
 .proj img{height:220px}
 .cols{grid-template-columns:1fr}
 .hero{min-height:78vh}
}
@media(max-width:520px){.grid{grid-template-columns:1fr}.card.wide{grid-column:span 1}.facts,.steps{grid-template-columns:1fr}}
html[lang=bn] .en-only{display:none!important}
html:not([lang=bn]) .bn-only{display:none!important}
.hero img.bg,.contact img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.contact img.bg{opacity:.55}
.hgrid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center}
.hphoto img{border-radius:18px;border:8px solid #fff;box-shadow:0 18px 44px rgba(20,70,80,.25);aspect-ratio:4/3;object-fit:cover;width:100%}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:34px}
.tile{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:1/1;background:#dcefed;box-shadow:0 6px 18px rgba(20,70,80,.10)}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.tile:hover img{transform:scale(1.05)}
.tile .tl{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;background:linear-gradient(transparent,rgba(16,32,48,.78));color:#fff;display:flex;flex-direction:column}
.tile .tl b{font-family:'Playfair';font-weight:600;font-size:18px;line-height:1.15}
.tile .tl i{font-style:normal;font-family:'Hind';font-size:13px;color:#BFE9E5}
.tile .tc{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.88);color:var(--teal);font-family:'Hind';font-size:12px;border-radius:999px;padding:1px 9px}
.gallery{scroll-margin-top:76px}
.gset{display:none}.gset.on{display:block}
.gdesc{font-size:19px;color:var(--navy);margin-bottom:12px}.gdesc .bn{display:block;font-size:15px;color:var(--teal)}
.pk{font-family:'Hind';color:var(--teal);font-size:13px;letter-spacing:1px}
.pc{display:inline-block;margin-top:10px;font-family:'Hind';font-size:13px;color:var(--teal);border:1px solid var(--line);border-radius:999px;padding:2px 10px}
.pm{cursor:pointer}
.why em{display:block;font-style:normal;font-size:13.5px;color:var(--teal);margin-top:4px}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.contact .btn.ghost{background:transparent;color:#fff;border-color:#fff}
.maplink{display:inline-block;margin-top:8px;color:#BFE0DE;font-size:17px}
.fab{position:fixed;right:16px;bottom:16px;z-index:40;background:#1FA855;color:#fff;border-radius:999px;padding:12px 18px;font-family:'Hind';font-size:15px;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.lb .prev,.lb .next{top:50%;transform:translateY(-50%);font-size:50px;right:auto}
.lb .prev{left:10px}.lb .next{right:10px;left:auto}
html[data-l=en] .bn:not(.keep){display:none!important}
html[data-l=bn] .en{display:none!important}
.logo .bn,.kicker{display:block!important}
@media(max-width:860px){.hgrid{grid-template-columns:1fr}.hphoto{order:2}.tiles{grid-template-columns:repeat(2,1fr)}.hero .wrap{padding:28px 0 40px}.fab{padding:10px 14px}}
.facts em,.steps em{display:block;font-style:normal;font-size:14px;color:var(--teal);margin-top:3px}
.steps span.en{display:block}
img{height:auto}
.card img,.tile img{height:100%}
.btn .en+.bn,.cats .en+.bn,.maplink .en+.bn,nav a .en+.bn{margin-left:.35em}
.more .bn,.note .bn{display:block}
nav a{text-align:center;line-height:1.15}
nav a .bn{display:block;margin-left:0;font-size:11.5px;color:var(--teal)}
html[data-l=bn] nav a .bn{font-size:14px}
.cats .bn{color:inherit;opacity:.85}
@media(max-width:860px){nav a{text-align:left}nav a .bn{display:inline;margin-left:.4em}}
@media(max-width:860px){
 .cats{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
 .cats button{flex:0 0 auto}
}
@media(max-width:520px){.grid{grid-template-columns:1fr 1fr;gap:8px}.card{border-radius:10px}.card.wide{grid-column:span 2}.facts,.steps{grid-template-columns:1fr 1fr;gap:10px}.steps div{padding:12px}.facts b{font-size:18px}.sec-h p{font-size:17px}section{padding:46px 0}}
.proj .thumbs img{height:84px!important;width:100%;object-fit:cover}
@media(max-width:860px){.proj .thumbs img{height:64px!important}}