:root{--bg:#f4ecd9;--card:#fbf6ea;--ink:#172b29;--mut:#5d6a64;--gold:#baa069;--gd:#8a7240;--line:#e2d6b8;--btn:#172b29;--btnt:#f4ecd9;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0e1b1a;--card:#162826;--ink:#f1e9d6;--mut:#a9b3ad;--gd:#d4bb82;--line:#2b403d;--btn:#baa069;--btnt:#10201e;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0e1b1a;--card:#162826;--ink:#f1e9d6;--mut:#a9b3ad;--gd:#d4bb82;--line:#2b403d;--btn:#baa069;--btnt:#10201e;color-scheme:dark}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 'Work Sans','Noto Sans Bengali',system-ui,sans-serif}
h1,h2{font-family:Forum,serif;font-weight:400;margin:0}h2{font-size:24px}
.w{max-width:1120px;margin:0 auto;padding:20px 16px 90px}
header{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:20px}
.lg{background:#fbf6ea;border-radius:14px;padding:8px 14px;border:1px solid var(--line)}.lg img{height:54px;display:block}
h1{font-size:clamp(26px,4vw,38px);line-height:1.15}header p{margin:6px 0 0;color:var(--mut)}
.g{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
@media(max-width:900px){.g{grid-template-columns:minmax(0,1fr)}}
.grp{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--gd);margin:22px 0 10px;font-weight:600}
.card,.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:10px}
.card.on{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold) inset}
.hd{display:flex;gap:12px;align-items:flex-start;cursor:pointer}.hd input{width:20px;height:20px;margin-top:4px;accent-color:#8a7240;flex:none}
.nm{font-family:Forum,serif;font-size:20px;flex:1;min-width:0;line-height:1.25}.pr{color:var(--gd);font-weight:600;text-align:right;font-size:14px;white-space:nowrap}
.pr i{font-style:normal;font-weight:400;color:var(--mut)}
.card p{margin:6px 0 4px 32px;color:var(--mut);font-size:14px}.card details,.card small{margin-left:32px;display:block;font-size:13px}
summary{cursor:pointer;color:var(--gd)}ul{margin:6px 0;padding-left:18px}
aside{position:sticky;top:calc(16px + env(safe-area-inset-top,0px))}@media(max-width:900px){aside{position:static}}
label.f{display:block;font-size:13px;color:var(--mut);margin:10px 0 4px}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit}
.row{display:flex;gap:10px}.row>*{flex:1;min-width:0}
.opt{display:flex;gap:10px;align-items:center;padding:8px 0;cursor:pointer}.opt input{accent-color:#8a7240}
.ci{display:flex;gap:8px;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);font-size:14px}
.x{border:0;background:none;color:var(--mut);cursor:pointer;font-size:18px;padding:0 4px}
.t{display:flex;justify-content:space-between;padding:3px 0;font-size:14px}.t.b{font-weight:600;font-size:18px;border-top:2px solid var(--gold);margin-top:6px;padding-top:8px}
.btn{display:block;width:100%;padding:12px;border:0;border-radius:12px;background:var(--btn);color:var(--btnt);font-weight:600;font-size:15px;font-family:inherit;cursor:pointer;margin-top:10px;text-align:center;text-decoration:none}
.btn.s{background:transparent;color:var(--ink);border:1px solid var(--gold)}
#bar{display:none}@media(max-width:900px){#bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--card);border-top:1px solid var(--gold);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));justify-content:space-between;align-items:center;gap:10px}}