:root{--teal:#00a98d;--teal2:#087e72;--purple:#a000bb;--ink:#183a46;--muted:#61747b;--line:#dceeea;--pale:#effaf7}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Hind Siliguri','Noto Sans Bengali','Manrope',sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:15.5px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{width:min(960px,calc(100% - 32px));margin:auto}
header.top{position:sticky;top:0;z-index:10;background:#ffffffed;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .nav{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:64px}
.brand{font-family:'Manrope',sans-serif;font-weight:800;font-size:18px;color:var(--teal2);letter-spacing:-.3px}
.brand span{color:var(--purple)}
.back{font-size:13px;color:var(--teal2);border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-weight:600}
.back:hover{background:var(--pale)}
main{padding:34px 0 60px}
h1{font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;font-size:clamp(24px,4vw,34px);line-height:1.3;margin:0 0 6px;letter-spacing:-.3px}
.lead{color:var(--muted);margin:0 0 26px;font-size:15px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 24px #174b4007}
h2{font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;font-size:19px;margin:26px 0 8px}
h2:first-child{margin-top:0}
h3{font-size:16px;margin:18px 0 6px}
p{margin:0 0 12px}
ul{margin:0 0 12px;padding-left:20px}
li{margin:4px 0}
footer{border-top:1px solid var(--line);margin-top:30px;padding:22px 0;color:var(--muted);font-size:13px;text-align:center}
footer a{color:var(--teal2);font-weight:600}
form.booking{display:grid;gap:14px;grid-template-columns:1fr 1fr;margin-top:10px}
form.booking .full{grid-column:1 / -1}
label{display:block;font-size:13px;font-weight:700;color:var(--teal2);margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:#fbfefd;border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #00a98d1a}
textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;background:linear-gradient(105deg,#00a98d,#087e72);color:#fff;font-weight:700;font-size:14px;box-shadow:0 9px 22px #00a98d25;transition:transform .2s ease,box-shadow .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px #00a98d35}
.alert{display:none;grid-column:1 / -1;background:#e9f9f3;border:1px solid #b7e4d9;color:#087e72;border-radius:12px;padding:12px 14px;font-weight:600;font-size:14px}
.alert.ok{display:block}
.notice{background:#f6fbfa;border:1px dashed #cfe9e2;border-radius:12px;padding:12px 14px;font-size:13px;color:#4b6c70;margin-top:16px}
@media(max-width:640px){form.booking{grid-template-columns:1fr}}