:root{--navy:#2B3593;--navy2:#1E2770;--emer:#169B4F;--green:#3DBE6E;--sky:#2F86D0;--gold:#D9A521;--red:#D7262E;
--bg:#FFFFFF;--surface:#FFFFFF;--mist:#F2F7F5;--head:#2B3593;--ink:#1E2A3A;--mute:#5B6B7A;--line:#E2E8EE;--glass:rgba(255,255,255,.9);--sh:0 10px 30px rgba(43,53,147,.10);--r:18px;--heroA:#E9F6EF;--heroB:#EAF2FB}
[data-theme=dark]{--bg:#09151F;--surface:#0F2130;--mist:#0C1B27;--head:#E8F1F8;--ink:#D6E2EC;--mute:#93A7B8;--line:#1F3446;--glass:rgba(9,21,31,.88);--sh:0 10px 30px rgba(0,0,0,.35);--heroA:#0E2A22;--heroB:#112238}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'Hind Siliguri','Poppins',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}
.en-f{font-family:'Poppins',sans-serif}
.l-en{display:none}[data-lang=en] .l-en{display:revert}[data-lang=en] .l-bn{display:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.stripe{display:flex;height:4px}.stripe i{flex:1}
/* header */
header{position:sticky;top:0;z-index:50;background:var(--glass);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:72px}
.brand img{height:48px;width:auto}.brand .dk{display:none}[data-theme=dark] .brand .lt{display:none}[data-theme=dark] .brand .dk{display:block}
.menu{display:flex;gap:22px;margin-left:auto;font-weight:600;color:var(--head)}
.menu a{position:relative;padding:4px 0}.menu a:after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--green);transition:.25s}.menu a:hover:after{width:100%}
.tools{display:flex;gap:8px;align-items:center}
.ib{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--head);display:grid;place-items:center;cursor:pointer;font:600 13px Poppins}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:99px;font-weight:700;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s;font-family:inherit;font-size:16px}
.btn:hover{transform:translateY(-2px)}.btn.p{background:var(--emer);color:#fff;box-shadow:0 8px 20px rgba(22,155,79,.3)}.btn.r{background:var(--red);color:#fff}.btn.o{background:transparent;border:2px solid var(--head);color:var(--head)}
.mb{display:none}
/* hero */
.hero{background:radial-gradient(1200px 500px at 85% 10%,var(--heroB),transparent),linear-gradient(180deg,var(--heroA),var(--bg));padding:70px 0 80px;position:relative;overflow:hidden}
.hg{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.badge{display:inline-flex;gap:8px;align-items:center;background:var(--surface);border:1px solid var(--line);padding:6px 14px;border-radius:99px;font-weight:600;color:var(--emer);font-size:14px}
.badge i{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(229,72,77,.6);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}
h1{font-family:'Baloo Da 2','Hind Siliguri';font-weight:800;color:var(--head);font-size:clamp(34px,5vw,58px);line-height:1.12;margin:16px 0 12px}
h1 span{color:var(--emer)}
.lead{font-size:19px;color:var(--mute);max-width:560px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.stats{display:flex;gap:28px;flex-wrap:wrap}.stats b{display:block;font:700 26px Poppins;color:var(--head)}.stats span{color:var(--mute);font-size:14px}
.stage{position:relative;display:grid;place-items:center;min-height:380px}
.stage .ring{position:absolute;width:340px;height:340px;border-radius:50%;border:2px dashed rgba(61,190,110,.35);animation:spin 40s linear infinite}
.stage .ring.b{width:270px;height:270px;border-color:rgba(30,136,200,.3);animation-duration:28s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.stage img{width:300px;filter:drop-shadow(0 24px 30px rgba(43,53,147,.25));animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.chip{display:flex;align-items:center;gap:6px;position:absolute;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh);border-radius:14px;padding:8px 14px;font-weight:600;font-size:14px;color:var(--head)}
.chip.c1{top:30px;left:0}.chip.c2{bottom:40px;right:0}.chip.c3{bottom:10px;left:20px}
/* sections */
section{padding:84px 0}
.sh{text-align:center;max-width:720px;margin:0 auto 42px}
.k{font:600 13px Poppins;letter-spacing:3px;text-transform:uppercase;color:var(--sky)}
h2{font-family:'Baloo Da 2','Hind Siliguri';font-weight:800;color:var(--head);font-size:clamp(28px,3.6vw,40px);line-height:1.2;margin:6px 0 10px}
.sh p{color:var(--mute)}.bar{width:70px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--emer),var(--green));margin:14px auto 0}
.grid-s{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.svc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:.25s;cursor:pointer}
.svc:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--green)}
.svc .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--c,#169B4F);color:#fff;margin-bottom:12px}
.svc h3{color:var(--head);font-size:19px}.svc p{color:var(--mute);font-size:14.5px}
/* doctors */
.flt{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.flt button{border:1px solid var(--line);background:var(--surface);color:var(--head);padding:8px 16px;border-radius:99px;cursor:pointer;font:600 15px 'Hind Siliguri'}
.flt button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.search{display:block;margin:0 auto 26px;max-width:420px;width:100%;padding:12px 18px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:16px 'Hind Siliguri'}
.grid-d{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.doc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.doc .top{background:var(--navy);color:#fff;padding:20px 22px;position:relative}
.doc .av{width:58px;height:58px;border-radius:16px;background:rgba(255,255,255,.12);display:grid;place-items:center;font:800 24px 'Baloo Da 2';float:right}
.doc .sp{display:inline-block;background:var(--emer);border-radius:99px;padding:3px 12px;font-size:13px;font-weight:600}
.doc h3{font-family:'Baloo Da 2';font-size:25px;margin-top:8px}
.doc .bd{padding:16px 22px;color:var(--mute);font-size:14.5px;flex:1}
.doc .tm{margin:0 22px 18px;background:var(--mist);border-radius:12px;padding:10px 14px;font-weight:600;color:var(--head);font-size:15px}
.doc .tm small{display:block;color:var(--mute);font-weight:500;font-size:12px}
.empty{display:none;text-align:center;color:var(--mute);margin-top:20px}
/* packages */
.grid-p{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.pk{border-radius:var(--r);padding:26px;background:var(--surface);border:1px solid var(--line);position:relative}
.pk.hi{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;border:0}.pk.hi h3,.pk.hi .pr{color:#fff}
.pk h3{color:var(--head);font-size:21px}.pk ul{list-style:none;margin:14px 0}.pk li{padding:5px 0 5px 26px;position:relative}
.pk li:before{content:"";position:absolute;left:0;top:11px;width:14px;height:14px;border-radius:50%;background:var(--green)}
.pk .tag{position:absolute;top:18px;right:18px;background:var(--gold);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px}
/* about / steps */
.ab{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.ab .card{background:linear-gradient(160deg,var(--emer),#0E6A36);border-radius:26px;padding:34px;color:#fff;position:relative;overflow:hidden}
.ab .card img{position:absolute;right:-30px;bottom:-30px;width:220px;opacity:.12}
.ab .card q{font:800 28px/1.3 'Baloo Da 2'}
.ticks{list-style:none;margin-top:14px}.ticks li{padding:6px 0 6px 30px;position:relative}
.ticks li:before{content:"✓";position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;background:var(--emer);color:#fff;font-size:12px;display:grid;place-items:center}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.st{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center}
.st b{display:grid;place-items:center;width:46px;height:46px;margin:0 auto 10px;border-radius:50%;background:var(--navy);color:#fff;font:700 18px Poppins}
.st h3{color:var(--head);font-size:18px}.st p{color:var(--mute);font-size:14px}
/* serial form */
.serial{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh)}
.form label{display:block;font-weight:600;color:var(--head);font-size:14px;margin:10px 0 4px}
.form input,.form select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:16px 'Hind Siliguri'}
/* apps */
.apps{background:linear-gradient(135deg,var(--navy),#155C45);color:#fff;border-radius:28px;padding:40px;display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}
.apps h2{color:#fff}.apps p{color:#cfe0ec}
.dl{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.dl a{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:10px 16px;border-radius:14px;font-weight:600}
.dl a small{display:block;font-size:11px;opacity:.75;font-weight:500}
.dl a:hover{background:rgba(255,255,255,.18)}
/* contact */
.ct{display:grid;grid-template-columns:1fr 1.2fr;gap:24px}
.ci{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.ci .row{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}.ci .row:last-child{border:0}
.ci .row .ic{width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;background:var(--mist);color:var(--emer)}
.ci b{color:var(--head)}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);min-height:340px}
.map iframe{width:100%;height:100%;min-height:340px;border:0}
.ct>*,.hg>*,.ab>*,.serial>*,.apps>*,.fg>*{min-width:0}.ci{overflow-wrap:anywhere}
footer{background:var(--navy2);color:#c9d6e2;padding:40px 0 22px;margin-top:40px}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
footer h4{color:#fff;margin-bottom:8px}footer a:hover{color:#fff}
.cp{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:16px;font-size:14px}
.dev{color:var(--green);font-weight:600}
.fab{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.2)}
.reveal{opacity:0;transform:translateY(18px);transition:.6s}.reveal.in{opacity:1;transform:none}
@media(max-width:900px){.hg,.ab,.serial,.apps,.ct,.fg{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.stage{min-height:300px}
.menu{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--surface);padding:16px 20px;border-bottom:1px solid var(--line)}.menu.open{display:flex}.mb{display:grid}.hide-m{display:none}}
@media(max-width:520px){.grid-s{grid-template-columns:1fr 1fr;gap:10px}.svc{padding:16px}.svc h3{font-size:16px}.steps{grid-template-columns:1fr}.grid-d{grid-template-columns:1fr}.brand img{height:40px}section{padding:60px 0}}
[hidden]{display:none!important}
.page-hero{background:linear-gradient(180deg,var(--heroA),var(--bg));padding:56px 0 30px}
.page-hero h1{font-size:clamp(30px,4.4vw,48px);margin:8px 0}
.crumb{font:600 13px Poppins;color:var(--mute)}.crumb a{color:var(--sky)}
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.dcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:10px}
.dcard .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;color:#fff;background:var(--c,var(--navy))}
.dcard h3{color:var(--head);font-size:20px}.dcard p{color:var(--mute);font-size:15px;flex:1}
.dcard .meta{font:500 12.5px Poppins;color:var(--mute)}
.dcard .btn{align-self:flex-start;padding:10px 18px;font-size:15px}
.steps-s{counter-reset:s;list-style:none;margin:6px 0 0}.steps-s li{counter-increment:s;padding:4px 0 4px 32px;position:relative;color:var(--ink);font-size:14.5px}
.steps-s li:before{content:counter(s);position:absolute;left:0;top:5px;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font:700 12px Poppins;display:grid;place-items:center}
.note-box{background:#FFF7E3;border-left:4px solid var(--gold);border-radius:10px;padding:14px 16px;color:#5b4a14;font-size:14.5px}
[data-theme=dark] .note-box{background:#2a2412;color:#f1deaa}
.kit-preview{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:24px}
.kit-preview img{height:120px;width:auto}
.btn:focus-visible,.ib:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}