@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&display=swap');
:root{
  --ink:#063b32; --ink-2:#075647; --muted:#536560; --line:#dce9e3; --band:#f1f5f0; --white:#fff;
  --teal:#00a98f; --teal-d:#00806d;
  --gold:#b97e06; --gold-bg:#fbf1d9; --green:#1f7a4d; --green-bg:#e1f2e7;
  --orange:#c2560c; --orange-bg:#fde9da; --slate:#4b5d66; --slate-bg:#e7ecee;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--white);color:var(--ink);font-family:'Hind Siliguri','Nirmala UI',Arial,sans-serif;font-size:17px;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
img{max-width:100%;display:block}
p{color:var(--muted);margin:0 0 18px}
h1,h2,h3{font-weight:600;line-height:1.3;margin:0}
h1{font-size:clamp(38px,4.4vw,62px);letter-spacing:-1px;margin-bottom:22px}
h1 em{font-style:normal;color:#009e85}
h2{font-size:clamp(27px,3vw,40px);letter-spacing:-.4px}
h3{font-size:20px}
.wrap{max-width:1280px;margin:auto;padding:0 48px}
.eyebrow{display:block;text-transform:uppercase;font-family:Arial,sans-serif;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--teal-d);margin-bottom:14px}
.en{font-family:Arial,sans-serif;font-size:.78em;opacity:.75;font-weight:400;margin-left:6px}
.lead{max-width:640px;margin-top:12px}
section{padding:80px 0}
.band{background:var(--band)}

/* header */
.header{position:sticky;top:0;z-index:30;height:92px;display:flex;align-items:center;gap:28px;max-width:1440px;margin:auto;padding:0 48px;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.brand img{height:72px;width:auto}
.header nav{display:flex;gap:28px;font-size:15px;margin-left:auto}
.header nav a:hover{color:var(--teal-d)}
.menu{display:none;background:none;border:0;color:inherit;font-size:26px}

/* buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:4px;background:var(--ink);color:#fff;border:1px solid var(--ink);padding:14px 26px;font-weight:500;border-radius:3px;min-height:52px;transition:background .15s}
.button:hover{background:var(--ink-2)}
.button.ghost{background:#fff;color:var(--ink);border-color:#9fbfb3}
.button.ghost:hover{background:var(--band)}
.button.small{min-height:42px;padding:8px 18px;font-size:15px}
.text-link{border-bottom:1px solid #91b4a9;padding-bottom:4px;font-size:16px;display:inline-block}
.text-link:hover{color:var(--teal-d)}

/* hero */
.hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-top:56px;padding-bottom:72px;align-items:center}
.hero-copy>p{max-width:480px;font-size:18px}
.cta-bar{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .cta-bar{padding:10px;background:var(--band);border:1px solid var(--line);border-radius:4px;width:max-content;max-width:100%}
.hero-note{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px;font-size:14px}
.hero-note span{color:#687d75}.hero-note strong{font-weight:500}
.hero-art{position:relative;background:#f3f7f5;align-self:stretch;min-height:580px;overflow:hidden;display:flex;flex-direction:column}
.hero-art>img{flex:1;width:100%;min-height:0;object-fit:contain;object-position:50% 100%}
.hero-art.cover>img{object-fit:cover;object-position:50% 50%}
.art-label{position:absolute;z-index:1;top:20px;left:20px;background:#fff;padding:12px 16px;font:13px Arial,sans-serif;letter-spacing:1px}
.art-label small{display:block;font:13px 'Hind Siliguri',sans-serif;color:#62756e;margin-top:5px;letter-spacing:0}
.art-bottom{background:var(--ink);color:#fff;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px}
.art-link{display:inline-flex;align-items:center;gap:2px;background:#fff;color:var(--ink);padding:9px 16px;border-radius:3px;font-weight:600;font-size:15px;box-shadow:0 0 0 0 rgba(0,169,143,.6);animation:nudge 2.6s ease-out 1.2s 3}
.art-link:hover{background:#e6f5f0}
.art-link .en{color:var(--ink)}
@keyframes nudge{0%{box-shadow:0 0 0 0 rgba(120,212,185,.7)}70%{box-shadow:0 0 0 12px rgba(120,212,185,0)}100%{box-shadow:0 0 0 0 rgba(120,212,185,0)}}

/* status pills / bars */
.status-pill,.status-bar{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;line-height:1.3}
.status-pill{padding:6px 12px;border-radius:999px}
.status-pill i,.status-bar i{width:9px;height:9px;border-radius:50%;background:currentColor;flex:none}
.live i{animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}
.status-bar{display:flex;width:100%;padding:11px 18px;border-left:5px solid currentColor}
.tone-gold{color:var(--gold);background:var(--gold-bg)}
.tone-green{color:var(--green);background:var(--green-bg)}
.tone-orange{color:var(--orange);background:var(--orange-bg)}
.tone-slate{color:var(--slate);background:var(--slate-bg)}
.art-bottom .status-pill{background:#fff}
.status-legend{display:flex;flex-wrap:wrap;gap:8px;margin:-8px 0 30px}
.status-legend .legend{font-size:13px;font-weight:500;padding:4px 11px}
.status-legend .legend i{animation:none}

/* projects */
.projects{padding-top:72px;padding-bottom:88px;border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:30px}
.section-head p{font-size:16px;margin-bottom:4px}
.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:34px}
.project{border:1px solid var(--line);background:#fff;transition:box-shadow .2s,transform .2s}
.project:hover{box-shadow:0 14px 40px rgba(6,59,50,.10);transform:translateY(-2px)}
.project-photo{display:block;height:340px;position:relative;overflow:hidden;background:#f1f6f3}
.project-photo>img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.project-photo.render>img{object-fit:contain}
.project:hover .project-photo>img{transform:scale(1.03)}
.project-photo small{position:absolute;bottom:10px;right:12px;font-size:12px;background:#fff;padding:3px 10px;color:var(--muted)}
.project-body{padding:24px 24px 26px}
.project-body .eyebrow{margin-bottom:8px}
.project-body h3{font-size:25px}
.project-body h3 a:hover{color:var(--teal-d)}
.project-body p{font-size:16px;margin:6px 0 0}
.facts{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:#506d61;margin:16px 0 20px}
.facts span+span{border-left:1px solid #c5d8cc;padding-left:16px}

/* about / services */
.about-head{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:end;margin-bottom:36px}
.about-head p{margin:0}
.svc{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff}
.svc article{padding:26px 22px;border-left:1px solid var(--line);min-width:0}
.svc article:first-child{border-left:0}
.svc .ic{width:42px;height:42px;border-radius:6px;background:#e2ebe3;display:grid;place-items:center;margin-bottom:14px}
.svc .ic svg{width:22px;height:22px;fill:none;stroke:var(--ink);stroke-width:1.8}
.svc h3{margin-bottom:8px}
.svc p{font-size:15px;margin:0}

/* how */
.how .caption{font-size:clamp(24px,2.6vw,34px);line-height:1.4;color:var(--ink);font-weight:500;margin:4px 0 30px;padding-left:20px;border-left:4px solid var(--teal)}
.how h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:30px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:22px;counter-reset:s}
.steps li{counter-increment:s;padding-top:16px;border-top:2px solid var(--ink);min-width:0}
.steps li::before{content:"0" counter(s);font:13px Arial,sans-serif;color:var(--gold);display:block;margin-bottom:6px}
.steps h3{margin-bottom:6px;font-size:18px}
.steps p{font-size:15px;margin:0}

/* calculator */
.calc-sec{padding-top:0}
.conv{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:34px;align-items:start;background:#e6eee8;border-radius:6px;padding:32px}
.conv h3{font-size:24px;margin-bottom:6px}
.conv p{font-size:16px}
.conv-in{display:flex;gap:10px;flex-wrap:wrap}
.conv-in input{flex:1 1 120px}.conv-in select{flex:1 1 140px}
.conv small{display:block;margin-top:12px;color:var(--muted);font-size:14px}
.conv-out{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#cfded6;border:1px solid #cfded6;border-radius:4px;overflow:hidden}
.conv-out div{background:#fff;padding:16px 18px;display:grid;gap:2px}
.conv-out b{font-size:22px;font-weight:600;overflow-wrap:anywhere}
.conv-out span{font-size:14px;color:var(--muted)}

/* forms */
input,select,textarea{border:1px solid #cfded6;background:#fff;padding:12px 14px;width:100%;border-radius:3px;color:var(--ink);min-width:0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,169,143,.18)}
textarea{resize:vertical}
.visit-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:30px;align-items:start;margin-top:30px}
.card,.rail{background:#fff;border:1px solid var(--line);padding:28px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fgrid .full{grid-column:1/-1}
.fld{display:grid;gap:6px;min-width:0}
.fld label,.fld legend{font-weight:600;font-size:15px}
.req::after{content:" *";color:var(--gold)}
.fld.bad input{border-color:#b3261e}
.err{color:#b3261e;font-size:14px}.err:empty{display:none}
fieldset{border:0;padding:0;margin:0;min-width:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chips label{position:relative;font-size:15px}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-block;padding:7px 14px;border:1px solid #cfded6;border-radius:999px;cursor:pointer}
.chips input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.chips input:focus-visible+span{outline:3px solid var(--teal);outline-offset:2px}
.check{display:flex;gap:10px;align-items:center;font-size:15px}
.check input{width:20px;height:20px;accent-color:var(--ink)}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-foot small{color:var(--muted)}
.notice{margin-top:18px;background:#e1f2e7;border:1px solid var(--green);padding:14px 18px}
.notice h3{font-size:17px}.notice p{margin:4px 0 0}
.rail h3{margin-bottom:12px}
.rail ol{margin:0;padding-left:1.2em;display:grid;gap:10px;color:var(--muted);font-size:16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:30px}
.contact-grid .c{background:#fff;border:1px solid var(--line);padding:20px;display:grid;gap:4px;align-content:start}
.contact-grid .c span{font-size:14px;color:var(--muted);margin-bottom:4px}
.contact-grid .c a,.contact-grid .c b{font-weight:600;overflow-wrap:anywhere}
.contact-grid .c a:hover{color:var(--teal-d)}
.contact-sec{background:var(--band);border-top:1px solid var(--line)}

/* footer */
.footer{background:var(--ink);color:#d3e4dc;padding:48px 0 0}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;align-items:start;padding-bottom:36px}
.foot-brand img{background:#fff;padding:6px;border-radius:4px;height:72px;width:auto;margin-bottom:12px}
.foot-brand p{color:#b6d0c5;margin:0;font-size:15px}
.foot-links{display:grid;gap:8px;font-size:15px}
.foot-links a:hover,.foot-base a:hover{color:#fff}
.foot-label{display:block;font-size:14px;color:#8fb5a6;margin-bottom:12px}
.social{display:flex;flex-wrap:wrap;gap:10px}
.social a{width:42px;height:42px;display:grid;place-items:center;border:1px solid #2f6a5d;border-radius:50%;color:#fff;transition:background .15s,border-color .15s}
.social a:hover{background:var(--teal);border-color:var(--teal)}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #1d5246;padding-top:18px;padding-bottom:20px;font-size:14px;color:#8fb5a6}

/* project landing page */
.crumbs{padding-top:22px;font-size:14px;color:var(--muted)}
.crumbs a{border-bottom:1px solid #c5d8cc}
.p-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;padding-top:24px;padding-bottom:64px;align-items:start}
.p-photo{position:relative;background:#f1f6f3;height:560px}
.p-photo img{width:100%;height:100%;object-fit:cover}
.p-photo img.contain{object-fit:contain;object-position:50% 100%}
.p-photo small{position:absolute;bottom:10px;right:12px;font-size:12px;background:#fff;padding:3px 10px;color:var(--muted)}
.p-info .status-bar{margin-bottom:22px;font-size:15px}
.p-info h1{font-size:clamp(34px,3.6vw,52px);margin-bottom:6px}
.p-loc{font-size:17px;margin-bottom:10px}
.p-tag{color:var(--ink);font-size:20px;font-weight:500}
.p-facts{list-style:none;padding:0;margin:0 0 6px;display:flex;flex-wrap:wrap;gap:8px}
.p-facts li{background:var(--band);border:1px solid var(--line);padding:5px 12px;font-size:15px}
.price-row{display:flex;gap:28px;flex-wrap:wrap;padding:18px 0;border-block:1px solid var(--line);margin:22px 0 4px}
.price-row span{font-size:14px;color:#597368}
.price-row strong{display:block;font-size:26px;font-weight:600}
.p-call{margin-top:16px;font-size:15px}
.p-call a{color:var(--ink);font-weight:600}
.p-cols{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:start}
.p-cols h2{font-size:26px;margin:0 0 10px}
.p-cols h2:not(:first-child){margin-top:30px}
.fine{font-size:14px;margin-top:24px}
.glance{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;margin:0;font-size:15px}
.glance dt{color:var(--muted)}.glance dd{margin:0;font-weight:600}
.p-gallery{padding-top:64px;padding-bottom:40px}
.more .project-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.p-gallery h2{margin-bottom:24px}
.gallery{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px}
.photo-open{background:none;border:0;padding:0;text-align:left;color:inherit}
.photo-open img{height:240px;width:100%;object-fit:cover}
.photo-open span{display:flex;justify-content:space-between;padding-top:12px;font-size:15px}
.photo-open b{color:#8bb5a4;font:13px Arial}
.more{padding-top:56px}
dialog{border:0;padding:44px 24px 20px;max-width:960px;width:calc(100% - 32px);box-shadow:0 20px 80px #00271d55}
dialog::backdrop{background:#002b23c0}
dialog p{margin:12px 0 0}
.close{position:absolute;right:8px;top:2px;border:0;background:none;font:32px Arial;color:var(--ink)}

/* responsive */
@media(max-width:1060px){.header nav{gap:18px;font-size:14px}.svc{grid-template-columns:1fr 1fr}.svc article:nth-child(3){border-left:0}.svc article:nth-child(n+3){border-top:1px solid var(--line)}.steps{grid-template-columns:1fr 1fr 1fr}.contact-grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){
  .wrap{padding:0 28px}.header{padding:0 28px;gap:16px}
  .menu{display:block}.header nav{display:none;position:absolute;top:92px;left:0;right:0;background:#fff;padding:20px 28px;flex-direction:column;gap:14px;border-bottom:1px solid var(--line);font-size:16px}
  .header nav.open{display:flex}.header .button.small{margin-left:auto}
  .hero,.p-hero{grid-template-columns:1fr;gap:34px}.hero-art{min-height:480px}
  .about-head,.visit-grid,.p-cols{grid-template-columns:1fr;gap:24px}
  .conv{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.foot-grid>div:last-child{grid-column:1/-1}
  .p-photo{height:440px}
}
@media(max-width:640px){
  body{font-size:16px}section{padding:56px 0}
  .wrap{padding:0 16px}.header{height:76px;padding:0 16px}.brand img{height:56px}.header nav{top:76px;padding:18px 16px}
  .header .button.small{padding:6px 12px;font-size:14px;min-height:38px}
  html{scroll-padding-top:80px}
  h1{font-size:40px}.hero{padding-top:30px;padding-bottom:48px}
  .hero .cta-bar{width:100%}.hero .cta-bar .button{flex:1 1 100%}
  .hero-art{min-height:0;height:430px}
  .section-head{display:block}.section-head p{margin-top:16px}
  .project-grid{grid-template-columns:1fr;gap:26px}.project-photo{height:280px}
  .svc,.steps,.contact-grid,.fgrid,.foot-grid{grid-template-columns:1fr}
  .svc article{border-left:0!important}.svc article+article{border-top:1px solid var(--line)}
  .conv{padding:20px}.conv-out{grid-template-columns:1fr 1fr}
  .card,.rail{padding:20px}
  .gallery{grid-template-columns:1fr}.p-photo{height:360px}
  .art-bottom{padding:12px 14px}.art-link{width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* ---- ASP.NET version additions ---- */
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;flex:none;font-size:13px}
.lang a{padding:5px 11px;color:var(--muted)}
.lang a[aria-current="true"]{background:var(--ink);color:#fff}
.header nav+.lang{margin-left:4px}
.empty-note{padding:28px;border:1px dashed var(--line);text-align:center}
.areas{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.areas strong{margin-right:6px;font-weight:600}
.areas span{padding:4px 12px;border-radius:999px;background:#e2ebe3;font-size:15px}
.copy{justify-self:start;margin-top:6px;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:3px;padding:2px 10px;font-size:13px}
.contact-grid .c a+a{margin-top:2px}
.notice.warn{background:var(--gold-bg);border-color:var(--gold)}
.preview-bar{background:var(--gold-bg);border-bottom:1px solid var(--gold);padding:10px 48px;font-size:15px;color:var(--ink)}
.p-summary{color:var(--ink);font-size:19px;margin-bottom:26px}
.fld.bad input,.fld.bad select{border-color:#b3261e}
@media(max-width:900px){.lang{margin-left:auto}.header .button.small{margin-left:0}}
@media(max-width:640px){.lang a{padding:4px 8px}.header{gap:8px}.preview-bar{padding:10px 16px}}