@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+Bengali:wght@400;500;600;700&display=swap');

:root{
  --green-950:#0a2c22;
  --green-900:#0d3b2d;
  --green-800:#0f503b;
  --green-700:#0b684c;
  --green-600:#0a7a58;
  --green-100:#e9f4ef;
  --green-50:#f4f9f6;
  --gold-500:#c99a2e;
  --gold-100:#f6edd3;
  --ink:#16231e;
  --muted:#5e6f67;
  --line:#dbe6e1;
  --surface:#ffffff;
  --surface-soft:#f7faf8;
  --shadow:0 16px 40px rgba(15,54,41,.08);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Manrope","Noto Sans Bengali","Segoe UI",Arial,sans-serif;
  font-synthesis:none;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  color:var(--ink);
  background:var(--surface-soft);
  line-height:1.68;
  font-size:16px;
}
a{color:var(--green-700);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
button,input,textarea,select{font:inherit}

.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:16px;top:16px;background:#fff;color:var(--green-900);padding:10px 14px;border-radius:9px;z-index:9999;box-shadow:var(--shadow)}
.topline{height:4px;background:linear-gradient(90deg,var(--green-700) 0 58%,var(--gold-500) 58% 73%,var(--green-700) 73%)}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.965);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,230,225,.95)}
.header-inner{max-width:1280px;margin:auto;display:flex;align-items:center;gap:24px;padding:13px 28px}
.brand{display:flex;align-items:center;gap:13px;min-width:315px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:56px;height:56px;object-fit:contain;flex:0 0 auto}
.brand-title{font-weight:800;line-height:1.22;font-size:16px;letter-spacing:-.015em}
.brand-sub{margin-top:3px;font-size:11px;color:#6c7d75;letter-spacing:.055em;text-transform:uppercase;font-weight:600}
.nav{display:flex;align-items:center;gap:15px;margin-left:auto;font-size:13px;font-weight:700;white-space:nowrap}
.nav a{color:#24372f;padding:8px 0;position:relative}
.nav a:hover{text-decoration:none;color:var(--green-700)}
.nav a.active{color:var(--green-700)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;border-radius:2px;background:var(--gold-500)}
.nav-cta{background:var(--green-800)!important;color:#fff!important;padding:10px 16px!important;border-radius:999px;box-shadow:0 8px 18px rgba(15,80,59,.16)}
.nav-cta:after{display:none!important}
.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--green-900);border-radius:11px;padding:9px 13px;font-weight:800}

.hero{background:radial-gradient(circle at 83% 15%,rgba(201,154,46,.14),transparent 29%),linear-gradient(135deg,#edf7f2 0%,#ffffff 55%,#f7f1df 100%);border-bottom:1px solid var(--line)}
.hero-inner{max-width:1280px;margin:auto;padding:88px 28px 82px;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--green-700)}
.hero h1,.page-hero h1{font-weight:800;color:var(--green-950);letter-spacing:-.045em;margin:15px 0 20px;max-width:950px}
.hero h1{font-size:clamp(46px,5.8vw,76px);line-height:1.02}
.page-hero h1{font-size:clamp(40px,4.9vw,64px);line-height:1.06}
.hero p,.page-hero p{font-size:18px;color:var(--muted);max-width:820px;line-height:1.7}
.hero p{font-size:19px}
.hero-logo{display:flex;justify-content:center;align-items:center}
.hero-logo img{width:min(340px,78vw);filter:drop-shadow(0 20px 38px rgba(8,58,41,.13))}

.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:12px;font-weight:800;font-size:14px;border:1px solid var(--green-700);transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--green-700);color:#fff;box-shadow:0 10px 24px rgba(11,104,76,.16)}
.btn.primary:hover{background:var(--green-800)}
.btn.secondary{background:#fff;color:var(--green-700)}

.section{padding:78px 28px}
.section.alt{background:#eef6f2}
.container{max-width:1180px;margin:auto}
.section h2{font-size:clamp(30px,3.6vw,48px);line-height:1.12;letter-spacing:-.035em;font-weight:800;color:var(--green-950);margin:9px 0 17px}
.section h3{letter-spacing:-.018em;color:#1a3028}
.lead{font-size:17px;color:var(--muted);max-width:880px;line-height:1.75}

.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 10px 30px rgba(11,53,38,.045)}
.card h3{margin:0 0 9px;font-size:19px;font-weight:800;line-height:1.35}
.card p{margin:0;color:#607269;font-size:15px}
.stat{font-size:32px;font-weight:800;color:var(--green-700)}
.pill{display:inline-flex;align-items:center;background:var(--green-100);color:var(--green-700);border-radius:999px;padding:6px 10px;font-size:11px;font-weight:800;letter-spacing:.02em}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

.page-hero{background:radial-gradient(circle at 85% 10%,rgba(201,154,46,.12),transparent 24%),linear-gradient(135deg,#eef7f3,#fff);border-bottom:1px solid var(--line)}
.page-hero .container{padding:68px 28px 64px}
.notice{background:#fff8e8;border:1px solid #f0dfab;border-left:4px solid var(--gold-500);padding:16px 18px;border-radius:12px;margin:24px 0;color:#694f16;font-size:14px}

.leaders{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.leader{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:0 7px 20px rgba(11,53,38,.035)}
.leader .role{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--green-700);font-weight:800}
.leader .name{font-weight:800;font-size:17px;margin-top:6px;letter-spacing:-.018em;color:#183128}

.timeline{border-left:2px solid var(--gold-500);margin-left:8px;padding-left:28px}
.timeline-item{margin:0 0 32px;position:relative}
.timeline-item:before{content:"";width:11px;height:11px;border-radius:50%;background:var(--green-700);position:absolute;left:-34px;top:8px;box-shadow:0 0 0 4px #edf5f1}
.timeline-item h3{margin:0 0 5px;font-weight:800}

.doc-list{display:grid;gap:12px}
.doc{display:flex;justify-content:space-between;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 19px}
.doc strong{display:block;font-weight:800}
.doc small{color:#697b72}
.poster-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
.poster-wrap img{display:block;margin:auto;max-height:780px;object-fit:contain}

.unit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.unit h3{margin-bottom:4px}
.unit .meta{color:#697b72;font-size:13px}
.names{columns:2;column-gap:28px;margin-top:14px}
.names li{break-inside:avoid;margin-bottom:7px}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}
.contact-list{display:grid;gap:12px}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px}
.form{display:grid;gap:13px}
.form label{font-weight:700;font-size:14px;color:#283b33}
.form input,.form textarea,.form select,.searchbox input{width:100%;border:1px solid #bccbc4;border-radius:11px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}
.form input:focus,.form textarea:focus,.form select:focus,.searchbox input:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(10,122,88,.10)}
.form textarea{min-height:150px;resize:vertical}

.footer{background:var(--green-950);color:#d9e7e0;padding:52px 28px 28px}
.footer a{color:#fff}
.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.footer-logo{display:flex;gap:13px;align-items:center}
.footer-logo img{width:66px;background:#fff;border-radius:50%;padding:2px}
.footer strong{font-weight:800;color:#fff}
.fine{max-width:1180px;margin:30px auto 0;border-top:1px solid #355348;padding-top:20px;font-size:11px;line-height:1.65;color:#a9beb4}
.mini{font-size:13px;color:#b6c8bf;line-height:1.7}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{text-align:left;border-bottom:1px solid #e4ebe7;padding:13px 14px;vertical-align:top}
.table th{background:#edf6f2;color:#173128;font-size:13px;font-weight:800}
.table td{font-size:14px}
.quote{font-size:24px;line-height:1.4;font-weight:700;color:#183c30;letter-spacing:-.025em}
.searchbox{display:flex;gap:10px;margin:20px 0}
.hidden{display:none!important}

@media(max-width:1120px){
  .brand{min-width:280px}.nav{gap:11px;font-size:12px}.header-inner{padding-left:20px;padding-right:20px}
}
@media(max-width:980px){
  .nav{display:none;position:absolute;top:82px;left:16px;right:16px;background:#fff;padding:18px;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 45px rgba(0,0,0,.12);flex-direction:column;align-items:stretch;gap:4px;white-space:normal}
  .nav a{padding:10px 8px}.nav.open{display:flex}.menu-btn{display:block}.brand{min-width:0}.hero-inner{grid-template-columns:1fr}.hero-logo{order:-1}.grid-4,.grid-3,.leaders{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}.unit-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:15px}.header-inner{padding:10px 14px}.brand img{width:48px;height:48px}.brand-title{font-size:14px}.brand-sub{display:none}.hero-inner{padding:58px 18px 56px;gap:34px}.hero h1{font-size:clamp(40px,12vw,56px)}.hero p{font-size:16px}.section{padding:58px 18px}.page-hero .container{padding:52px 18px}.grid-4,.grid-3,.leaders,.footer-grid{grid-template-columns:1fr}.names{columns:1}.doc{align-items:flex-start;flex-direction:column}.btn{width:100%}.footer{padding-left:18px;padding-right:18px}
}