:root{
  --green-950:#06261E;
  --green-900:#0B3B2E;
  --green-800:#0F4C3A;
  --gold-500:#C8A24A;
  --gold-400:#E2C77A;
  --offwhite:#F7F3E8;
  --text:#13221C;
  --muted:#4B5B54;
  --card:#FFFFFF;
  --border:rgba(11,59,46,.16);
  --shadow:0 12px 30px rgba(6,38,30,.12);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"Noto Sans Bengali", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 15% 0%, rgba(200,162,74,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(11,59,46,.16), transparent 55%),
    var(--offwhite);
  line-height:1.6;
}

a{color:var(--green-900);text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:1100px;margin:0 auto;padding:0 16px}

.skip-link{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{
  left:16px;top:16px;width:auto;height:auto;z-index:9999;
  background:var(--card);border:1px solid var(--border);padding:10px 14px;border-radius:12px;
  box-shadow:var(--shadow);
}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,243,232,.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:14px;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-logo{width:44px;height:44px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--border)}
.brand-name{font-weight:800;font-size:18px;letter-spacing:.2px}
.brand-tagline{font-size:12px;color:var(--muted)}

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:var(--card);
  border-radius:999px;
  padding:10px 12px;
  font-weight:700;
  cursor:pointer;
}

.site-nav{display:flex;gap:14px;align-items:center}
.site-nav a{
  padding:10px 10px;
  border-radius:999px;
  font-weight:700;
  color:var(--green-900);
}
.site-nav a:hover{background:rgba(11,59,46,.06);text-decoration:none}
.nav-cta{
  background:linear-gradient(135deg, var(--green-900), var(--green-800));
  color:#fff !important;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 10px 22px rgba(11,59,46,.18);
}
.nav-cta:hover{background:linear-gradient(135deg, var(--green-800), var(--green-900))}

.site-main{padding:22px 0 50px}

.hero{
  background:linear-gradient(135deg, rgba(11,59,46,.9), rgba(15,76,58,.88));
  color:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid rgba(200,162,74,.25);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:18px;
  padding:22px;
}
.hero h1{margin:0 0 10px;font-size:30px;line-height:1.25}
.hero p{margin:0 0 16px;color:rgba(255,255,255,.88)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  background:rgba(247,243,232,.12);
  border:1px solid rgba(226,199,122,.32);
  color:#fff;
  border-radius:999px;
  padding:8px 12px;
  font-weight:700;
  font-size:13px;
}
.hero-card{
  background:rgba(247,243,232,.96);
  color:var(--text);
  border-radius:16px;
  padding:16px;
  border:1px solid rgba(200,162,74,.35);
}
.hero-card .muted{color:var(--muted)}

.section{margin-top:18px}
.section-title{font-size:18px;font-weight:800;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:14px}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 10px 22px rgba(6,38,30,.06);
}
.card h3{margin:0 0 8px;font-size:16px}
.muted{color:var(--muted)}
.small{font-size:12px}

.kv{
  display:grid;grid-template-columns: 1fr 1fr;gap:14px;
}
.kv .card{padding:14px}

.form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:800;font-size:13px}
.field input,.field select,.field textarea{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  font:inherit;
}
.field textarea{min-height:110px;resize:vertical}
.form .full{grid-column:1 / -1}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(200,162,74,.5);
  background:linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color:#2c2411;
  font-weight:900;
  cursor:pointer;
}
.btn:hover{filter:saturate(1.02) brightness(1.01)}
.alert{
  border-radius:14px;
  padding:12px 14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.7);
}
.alert.success{border-color:rgba(15,76,58,.25)}
.alert.error{border-color:rgba(160,30,30,.25)}

.site-footer{
  background:rgba(6,38,30,.96);
  color:rgba(255,255,255,.92);
  padding:26px 0 18px;
  border-top:1px solid rgba(226,199,122,.22);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap:16px;
}
.footer-title{font-weight:900;margin-bottom:8px}
.site-footer a{color:rgba(226,199,122,.95)}
.footer-bottom{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid rgba(226,199,122,.18);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:60;
  background:linear-gradient(135deg, #25D366, #128C7E);
  color:#fff;
  border-radius:999px;
  padding:12px 14px;
  font-weight:900;
  box-shadow:0 16px 34px rgba(0,0,0,.2);
  border:1px solid rgba(255,255,255,.18);
}
.wa-float:hover{text-decoration:none;filter:brightness(1.03)}

@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    left:0;right:0;top:72px;
    background:rgba(247,243,232,.96);
    border-bottom:1px solid var(--border);
    padding:10px 16px;
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .site-nav.open{display:flex}
  .site-nav a{border-radius:14px}
}