:root{color-scheme:dark;--bg:#163F94;--surface:rgba(255,255,255,.1);--ink:#fff;--muted:#CBD8F4;--line:rgba(255,255,255,.24);--brand:#F5A81C;--on-brand:#0D1B3D;--sun:#F5A81C;--on-sun:#0D1B3D;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#1D51B3,#12337F) var(--bg);color:var(--ink);font:400 17px/1.6 Inter,'Noto Sans Bengali',system-ui,sans-serif}
h1,h2,h3{font-family:Inter,'Noto Sans Bengali',sans-serif;line-height:1.1;margin:0;letter-spacing:-.02em}
.bn{font-family:Inter,'Noto Sans Bengali','Hind Siliguri',sans-serif}
a{color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.top{background:#0B1F52;font-size:14px;color:var(--muted)}
.top .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 18px;padding-top:7px;padding-bottom:7px}
.top a{text-decoration:none}
.navbar{background:#fff;color:#0D1B3D;position:sticky;top:env(safe-area-inset-top,0px);z-index:5;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.navbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font:800 19px Inter,sans-serif;text-decoration:none;color:#0D1B3D}
.logo img{height:46px;width:auto}
nav{display:flex;align-items:center;gap:20px}
nav a{text-decoration:none;font-weight:500;color:#12337F}
nav a:hover{color:#000}
.btn{display:inline-block;background:var(--brand);color:var(--on-brand);border:0;border-radius:10px;padding:12px 22px;font:600 16px Inter,sans-serif;text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.alt{background:none;color:#fff;border:1.5px solid #fff}
.hero{padding:56px 0 44px;text-align:center}
.pill{display:inline-block;background:linear-gradient(90deg,#fff,#C9D6FA);color:#0D1B3D;font-weight:600;padding:6px 18px;border-radius:6px;font-size:14px;letter-spacing:.06em}
.hero h1{font-size:clamp(36px,6vw,64px);font-weight:800;margin:18px auto 8px;max-width:20ch}
.hero .bn{color:var(--sun);font-weight:700;font-size:22px;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.hero p{text-wrap:balance;color:var(--muted);max-width:62ch;margin:12px auto 22px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fare{margin:34px auto 0;background:#fff;color:#0D1B3D;border-radius:16px;padding:14px;display:grid;grid-template-columns:repeat(4,1fr) auto;gap:12px;max-width:860px;text-align:left;box-shadow:0 12px 36px rgba(0,0,0,.25)}
.fare label{display:flex;flex-direction:column;font:600 13px Inter,sans-serif;color:#4A5A7C;gap:3px}
select,input,textarea{font:400 16px Inter,sans-serif;padding:10px 12px;border-radius:10px;border:1.5px solid #CBD6EE;background:#F4F7FD;color:#0D1B3D}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}
.stats b{display:block;font:800 36px Inter,sans-serif;color:var(--sun)}
.stats span{color:var(--muted);font-size:15px}
section{padding:46px 0}
.head{text-align:center;margin-bottom:28px}
.head small{color:var(--sun);font-weight:600}
h2{font-size:clamp(28px,4vw,40px);margin-top:4px}
.head p{color:var(--muted);margin:8px auto 0;max-width:54ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.dest{border-radius:20px;min-height:190px;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;text-shadow:0 1px 10px rgba(0,0,0,.35)}
.dest h3{font-size:26px}
.dest button{align-self:flex-start;margin-top:10px;background:#fff;color:#0D1B3D;border:0;border-radius:8px;padding:6px 14px;font:600 14px Inter,sans-serif;cursor:pointer;text-shadow:none}
.box{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px}
.box h3{font-size:21px;margin-bottom:6px}
.box p{margin:0 0 6px;color:var(--muted)}
.box.sun{border-top:5px solid var(--sun)}
.step{display:flex;gap:14px;align-items:flex-start}
.step i{flex:none;width:40px;height:40px;border-radius:50%;background:var(--sun);color:var(--on-sun);font:800 18px Inter,sans-serif;display:grid;place-items:center;font-style:normal}
.step h3{font-size:19px}
.step p{margin:2px 0 0;color:var(--muted);font-size:15px}
.air{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.air span{background:#fff;color:#0D1B3D;border-radius:10px;padding:8px 14px;font-weight:600;font-size:15px}
.office a,.foot a{color:var(--sun);font-weight:600;text-decoration:none}
footer{background:#0B1F52;margin-top:30px;padding:36px 0 22px;color:var(--muted);font-size:15px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:26px}
footer h3{font-size:18px;color:#fff;margin-bottom:8px}
footer p{margin:0 0 6px}
footer .copy{border-top:1px solid var(--line);margin-top:24px;padding-top:14px;text-align:center}
@media (max-width:760px){nav a:not(.btn){display:none}.fare{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr}.logo span{font-size:16px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

[hidden]{display:none!important}
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
.dest{text-decoration:none;min-height:170px;transition:transform .25s ease}
.dest:hover{transform:translateY(-4px)}
.dest span.go{margin-top:10px;align-self:flex-start;background:#fff;color:#0D1B3D;border-radius:8px;padding:6px 14px;font:600 14px Inter,sans-serif;text-shadow:none}
.back{display:inline-block;margin:30px 0 8px;color:var(--sun);font-weight:600;text-decoration:none}
.cview{padding-bottom:40px;min-height:60vh}
.cview .sub{color:var(--muted);margin:6px 0 24px}
.job{padding:0;overflow:hidden}
.job .in{padding:16px 20px 20px}
.job .pic svg{display:block;width:100%;height:auto}
.job .btn{margin-top:10px;padding:8px 16px;font-size:15px}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.dest{transition:none}}

/* polish */
#bar{position:fixed;top:0;left:0;right:0;height:3px;background:var(--sun);transform:scaleX(0);transform-origin:0 50%;z-index:30}
section{padding:76px 0}
.head{margin-bottom:42px}
.head small{text-transform:uppercase;letter-spacing:.16em;font-size:13px}
.lt{background:#F4F7FD;color:#0D1B3D;--ink:#0D1B3D;--muted:#4A5A7C;--surface:#fff;--line:#D9E2F3}
.lt h2{color:#0D1B3D}
.lt .head small{color:#1E4DB7}
.lt .box{box-shadow:0 10px 28px rgba(13,27,61,.08)}
.lt .office a{color:#1E4DB7}
.deep{background:#0F2B6B}
.box{border-radius:16px;transition:transform .35s cubic-bezier(.22,.61,.36,1),box-shadow .35s}
.hero{position:relative;padding-top:64px}
.hero::before{content:"";position:absolute;left:-10%;right:-10%;top:-40px;height:560px;background:radial-gradient(55% 60% at 50% 0,rgba(120,175,255,.5),transparent 72%);z-index:-1;pointer-events:none;transform:translateY(var(--py,0px))}
.fare{grid-template-columns:1.3fr 1.3fr 1fr .7fr auto;align-items:end;border-radius:18px;padding:16px}
.fare .btn{white-space:nowrap;height:44px;padding:0 24px}
.stats{background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:20px;padding:24px 10px;margin-top:44px}
#process .grid{grid-template-columns:repeat(5,1fr);gap:26px}
.step{flex-direction:column;gap:0;position:relative}
.step i{margin-bottom:14px;box-shadow:0 0 0 6px rgba(245,168,28,.2)}
.step:not(:last-child)::after{content:"";position:absolute;top:20px;left:56px;right:-14px;height:2px;background:linear-gradient(90deg,var(--sun),transparent)}
.dest{border-radius:18px;box-shadow:0 14px 30px rgba(0,0,0,.25)}
.navbar,.navbar .wrap,.logo img{transition:box-shadow .3s,padding .3s,height .3s}
.navbar.stuck{box-shadow:0 6px 24px rgba(0,0,0,.28)}
.navbar.stuck .wrap{padding-top:3px;padding-bottom:3px}
.navbar.stuck .logo img{height:38px}
.js .rv{opacity:0;transform:translateY(30px) scale(.985);transition:opacity .85s cubic-bezier(.22,.61,.36,1),transform .85s cubic-bezier(.22,.61,.36,1)}
.js .rv.in{opacity:1;transform:none}
.js .box.rv.in:hover,.js .dest.rv.in:hover{transform:translateY(-5px)}
.lt .box:hover{box-shadow:0 16px 36px rgba(13,27,61,.14)}
@media (max-width:900px){#process .grid{grid-template-columns:repeat(2,1fr)}.step:not(:last-child)::after{display:none}}
@media (max-width:760px){section{padding:52px 0}.fare{grid-template-columns:1fr}.fare .btn{width:100%}#process .grid{grid-template-columns:1fr}.hero::before{height:420px}}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.hero::before{transform:none}#bar{display:none}.navbar,.navbar .wrap,.logo img,.box{transition:none}}
body{overflow-x:clip}
.fare{grid-template-columns:minmax(0,1.3fr) minmax(0,1.3fr) minmax(0,1fr) minmax(0,.7fr) auto}
.fare select,.fare input{width:100%;min-width:0}
@media (max-width:760px){.fare{grid-template-columns:1fr}}
.hero{overflow-x:clip}
.hero{padding-left:20px;padding-right:20px}
.team{grid-template-columns:repeat(auto-fit,minmax(250px,320px));justify-content:center}
.person{text-align:center;padding:28px 22px}
.av{width:72px;height:72px;border-radius:50%;background:var(--sun);color:var(--on-sun);display:grid;place-items:center;font:800 24px Inter,sans-serif;margin:0 auto 14px;box-shadow:0 0 0 6px rgba(245,168,28,.2)}
.person .role{color:var(--sun);font-weight:600;margin-bottom:14px}
.flag{display:inline-block;flex:none;width:48px;height:32px;border-radius:5px;overflow:hidden;box-shadow:0 0 0 2px rgba(255,255,255,.9),0 4px 10px rgba(0,0,0,.3)}
.flag svg{display:block;width:100%;height:100%}
.dest{position:relative;overflow:hidden;min-height:210px}
.dest .flag{position:absolute;top:18px;left:20px;z-index:1}
.dest .art{position:absolute;right:0;bottom:0;width:72%;height:100%;opacity:.22;pointer-events:none}
.dest .art svg{display:block;width:100%;height:100%}
.dest>h3,.dest>span{position:relative;z-index:1}
.ctitle{display:flex;align-items:center;gap:14px}
.feat{text-align:center;padding:34px 24px 30px}
.feat h3{font-size:19px;font-weight:700;margin-bottom:8px}
.feat p{font-size:15.5px;line-height:1.6}
.ic{width:60px;height:60px;border-radius:16px;background:var(--sun);color:#0D1B3D;display:grid;place-items:center;margin:0 auto 20px;box-shadow:0 10px 20px rgba(245,168,28,.35);transition:transform .35s cubic-bezier(.22,.61,.36,1)}
.ic svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.feat:hover .ic{transform:translateY(-3px) rotate(-5deg)}
.study{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
.study-intro{position:sticky;top:96px}
.study .eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:13px;font-weight:600;color:var(--sun)}
.study h2{margin:8px 0 14px;text-align:left;color:#fff}
.study-intro p{color:var(--muted);margin:0 0 20px}
.note{background:rgba(245,168,28,.14);border:1px solid rgba(245,168,28,.5);border-radius:14px;padding:14px 16px;margin-bottom:22px;font-size:15.5px}
.tl{list-style:none;margin:0;padding:0;counter-reset:s}
.tl li{position:relative;padding:0 0 28px 64px;counter-increment:s}
.tl li::before{content:counter(s);position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;background:var(--sun);color:var(--on-sun);display:grid;place-items:center;font-weight:800;box-shadow:0 0 0 6px rgba(245,168,28,.2)}
.tl li:not(:last-child)::after{content:"";position:absolute;left:20px;top:50px;bottom:6px;width:2px;background:linear-gradient(var(--sun),rgba(245,168,28,.15))}
.tl b{display:block;font-size:19px;margin-bottom:3px}
.tl span{color:var(--muted);font-size:15.5px}
@media (max-width:860px){.study{grid-template-columns:1fr;gap:32px}.study-intro{position:static}}
.grid:has(.feat){grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.grid:has(.feat){grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.grid:has(.feat){grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.ic{transition:none}.feat:hover .ic{transform:none}}

.lt .head p{color:var(--muted)}
.svc{grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}
.svc .box{grid-column:span 2;display:flex;flex-direction:column;align-items:flex-start;padding:30px 28px}
.svc .box:nth-child(n+4){grid-column:span 3}
.sic{width:60px;height:60px;border-radius:50%;background:linear-gradient(145deg,#1F4FB5,#0E2A6B);color:var(--sun);display:grid;place-items:center;margin-bottom:20px;box-shadow:0 8px 18px rgba(14,42,107,.28)}
.sic svg{width:29px;height:29px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:21px;font-weight:700;margin-bottom:8px}
.svc p{font-size:15.5px;margin:0 0 18px}
.svc .more{margin-top:auto;color:#1E4DB7;font-weight:600;text-decoration:none;display:inline-flex;gap:6px;transition:gap .25s}
.svc .more:hover{gap:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.tags span{background:rgba(255,255,255,.1);border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:14px;font-weight:600}
@media (max-width:900px){.svc{grid-template-columns:repeat(2,minmax(0,1fr))}.svc .box,.svc .box:nth-child(n+4){grid-column:auto}.svc .box:nth-child(7){grid-column:span 2}}
@media (max-width:560px){.svc{grid-template-columns:1fr}.svc .box:nth-child(7){grid-column:auto}}

.uni-grid{grid-template-columns:repeat(auto-fit,minmax(310px,1fr));align-items:stretch}
.grp{font-size:24px;margin:40px 0 18px}
.grp:first-of-type{margin-top:0}
.uni{display:flex;flex-direction:column}
.pdfs{display:grid;gap:8px;margin:6px 0 18px}
.pdf{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.06);text-decoration:none;font-size:15.5px}
.pdf:hover{background:rgba(255,255,255,.14)}
.pdf b{color:var(--on-sun);background:var(--sun);border-radius:6px;padding:2px 8px;font-size:12.5px}
.uni .btn{margin-top:auto;align-self:flex-start;padding:8px 16px;font-size:15px}
.fnote{max-width:70ch;margin:34px auto 0;text-align:center;color:var(--muted);font-size:15px}

.guide{margin-top:64px}
.gt{font-size:26px;margin:0 0 8px}
.gsub{color:var(--muted);max-width:70ch;margin:0 0 22px}
.gcards{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:start}
.gcards .box h3{font-size:19px;margin:0 0 16px}
.gl{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.gl.num{counter-reset:n}
.gl.num>li{counter-increment:n;position:relative;padding-left:46px}
.gl.num>li::before{content:counter(n,bengali);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--sun);color:var(--on-sun);font-weight:700;display:grid;place-items:center;font-size:15px}
.gl strong{display:block;margin-bottom:4px}
.gl ul{margin:0;padding-left:18px;color:var(--muted);font-size:15.5px}
.tests{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0 28px}
.tests li{display:grid;gap:2px;padding:11px 0;border-top:1px solid var(--line)}
.tests li b{font-weight:700}
.tests li span{color:var(--muted);font-size:15.5px}
.gcards .wide{grid-column:1/-1}
.callout{border-left:4px solid var(--sun);background:rgba(255,255,255,.08);padding:16px 20px;border-radius:12px;margin-top:20px;font-size:15.5px;max-width:90ch}
.callout b{color:var(--sun)}

/* refined theme: deeper navy, calmer cards, subtler motion */
:root{--surface:rgba(255,255,255,.06);--line:rgba(255,255,255,.16);--muted:#C3D0EA}
body{background:linear-gradient(180deg,#112A63,#0A1A40) #0A1A40}
.top,footer{background:#07142F}
.deep{background:#0A1B44}
.lt{background:#F5F7FB}
h1,h2,h3{font-weight:700;letter-spacing:-.025em}
.hero h1{font-weight:700}
.stats b{font-weight:700}
.hero::before{background:radial-gradient(55% 60% at 50% 0,rgba(110,160,255,.22),transparent 72%);transform:none!important}
.hero .bn{text-shadow:none}
.pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:99px;padding:7px 20px}
.btn{border-radius:8px;transition:background .2s,box-shadow .2s,transform .2s}
.btn:hover{filter:none;background:#FFB92E;box-shadow:0 6px 16px rgba(0,0,0,.2)}
.btn:active{transform:translateY(1px)}
.btn.alt:hover{background:rgba(255,255,255,.12);box-shadow:none}
.fare{border-radius:14px;box-shadow:0 16px 40px rgba(3,10,30,.35)}
.stats{background:rgba(255,255,255,.05);border-radius:16px}
.box{border-radius:14px}
.box.sun{border-top:3px solid var(--sun)}
.lt .box{box-shadow:0 1px 2px rgba(13,27,61,.06),0 8px 24px rgba(13,27,61,.06)}
.lt .box:hover{box-shadow:0 2px 4px rgba(13,27,61,.08),0 14px 32px rgba(13,27,61,.1)}
.dest{border-radius:14px;box-shadow:0 10px 24px rgba(3,10,30,.28)}
.step i,.tl li::before,.av{box-shadow:0 0 0 5px rgba(245,168,28,.14)}
.ic{border-radius:50%;background:linear-gradient(145deg,#1F4FB5,#0E2A6B);color:var(--sun);box-shadow:0 8px 18px rgba(14,42,107,.28)}
.feat:hover .ic{transform:none}
#bar{height:2px}
nav a:not(.btn){position:relative}
nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;background:var(--sun);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
nav a:not(.btn):hover::after{transform:scaleX(1)}
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .55s ease-out,transform .55s ease-out,box-shadow .3s}
.js .rv.in{opacity:1;transform:none}
.js .box.rv.in:hover,.js .dest.rv.in:hover{transform:translateY(-3px)}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}nav a::after{transition:none}.btn{transition:none}}

.maplink{font-weight:600}
footer strong{color:#fff}
.burger{display:none;width:44px;height:44px;border:0;background:none;padding:0;cursor:pointer;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:22px;height:2px;background:#0D1B3D;border-radius:2px;transition:transform .25s,opacity .2s}
.navbar.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navbar.open .burger span:nth-child(2){opacity:0}
.navbar.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:760px){
 .burger{display:flex;margin-left:auto}
 .navbar .wrap{flex-wrap:wrap}
 nav{display:none}
 .navbar.open nav{display:flex;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0;padding:6px 0 14px;border-top:1px solid #E1E8F5;margin-top:6px}
 .navbar.open nav a:not(.btn){display:block;padding:13px 4px;border-bottom:1px solid #EEF2FA;font-size:17px}
 .navbar.open nav a::after{display:none}
 .navbar.open nav .btn{margin-top:12px;text-align:center;padding:13px}
}