:root{
  --green:#2e7d32;--green-dark:#1b5e20;--green-soft:#e8f5e9;--green-line:#c8e6c9;
  --bg:#ffffff;--fg:#1f2d22;--muted:#5d7263;--radius:16px;
  --shadow:0 20px 50px -30px rgba(27,94,32,.45);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--green-line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px}
.logo{height:46px;width:46px;border-radius:999px;object-fit:cover;border:2px solid var(--green)}
.call-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--green);border-radius:999px;padding:8px 14px;font-weight:700}
.hero{padding:28px 0 40px;position:relative;overflow:hidden}
.hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:820px){.hero-grid{grid-template-columns:1fr 1fr}}
.badge{display:inline-block;background:var(--green-soft);color:var(--green-dark);border-radius:999px;padding:6px 16px;font-weight:700;font-size:14px}
h1{font-size:30px;line-height:1.35;margin:18px 0 0;font-weight:800}
@media(min-width:820px){h1{font-size:38px}}
h1 .accent{color:var(--green)}
.panel{background:linear-gradient(160deg,#fff,#f6fbf6);border:1px solid var(--green-line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.price{font-size:30px;font-weight:800;color:var(--green);margin:8px 0 4px}
.muted{color:var(--muted);font-size:14px}
.btn{display:inline-block;width:100%;text-align:center;background:var(--green);color:#fff;border:0;border-radius:12px;padding:14px 22px;font-size:16px;font-weight:800;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--green-dark)}
.btn[disabled]{opacity:.65;cursor:not-allowed}
@media(min-width:820px){.btn.auto{width:auto}}
.grid2{display:grid;gap:16px}
@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr}}
.point{display:flex;gap:12px;padding:18px}
.point .ico{font-size:22px;line-height:1}
.point p{margin:0}
.point .t{font-weight:700}
section{padding:26px 0}
.gallery img{aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.hero img.main{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:1/1;object-fit:cover;margin:0 auto}
.checkout{max-width:620px;margin:0 auto}
h2{text-align:center;font-size:24px;font-weight:800;margin:0}
label{font-weight:600;font-size:14px;display:block;margin-bottom:6px}
input,textarea{width:100%;padding:12px;border:1px solid var(--green-line);border-radius:12px;font-family:inherit;font-size:15px;background:#fff;color:var(--fg)}
input:focus,textarea:focus{outline:2px solid var(--green);border-color:var(--green)}
.field{margin-bottom:14px}
.zones{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.zone{border:1px solid var(--green-line);background:#f7faf7;border-radius:12px;padding:12px;font-weight:700;cursor:pointer;font-family:inherit;font-size:14px;color:var(--fg)}
.zone.active{border-color:var(--green);background:var(--green-soft);color:var(--green-dark)}
.zone span{display:block;font-weight:400;font-size:12px;opacity:.8}
.summary{background:var(--green-soft);border-radius:12px;padding:14px;font-size:14px;margin:16px 0}
.summary .row{display:flex;justify-content:space-between;margin-bottom:6px}
.summary .total{border-top:1px solid var(--green-line);padding-top:8px;font-weight:800;font-size:16px;color:var(--green-dark)}
.free{color:var(--green);font-weight:700}
.err{color:#c62828;font-size:12px;margin:4px 0 0}
.success{text-align:center;padding:28px}
.success .tick{font-size:44px}
.site-footer{border-top:1px solid var(--green-line);text-align:center;padding:28px 16px;color:var(--muted);font-size:14px}
.site-footer img{margin:0 auto 10px}
.wa{position:fixed;right:16px;bottom:16px;z-index:60;background:#25D366;color:#fff;border-radius:999px;padding:14px;box-shadow:0 10px 25px rgba(0,0,0,.2);display:flex;align-items:center;gap:8px;font-weight:700}