:root{--bg:#fbf8f1;--card:#fff;--ink:#1d2430;--muted:#5b6472;--line:#e4e1da;--accent:#0b4f3c;--accent-ink:#fff;--warn:#fff4d6;--warn-line:#e8cf86;--max:760px}
@media (prefers-color-scheme:dark){:root{--bg:#12161c;--card:#1a2029;--ink:#e8ebef;--muted:#a3acb8;--line:#2b3340;--accent:#4fc3a8;--accent-ink:#06231d;--warn:#2b2714;--warn-line:#6b5b25}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali","Hind Siliguri",sans-serif}
a{color:var(--accent)}
.top{max-width:var(--max);margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none}
nav{display:flex;gap:16px}
nav a{text-decoration:none;color:var(--muted);font-weight:600}
nav a:hover{color:var(--accent)}
.disclosure-bar{max-width:var(--max);margin:0 auto;padding:6px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
main{max-width:var(--max);margin:0 auto;padding:8px 16px 40px}
h1{font-size:clamp(26px,6vw,36px);line-height:1.2;margin:24px 0 10px}
h2{font-size:23px;margin:34px 0 8px;line-height:1.3}
h3{font-size:19px;margin:22px 0 6px}
.lede{font-size:19px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:18px 0}
.grid .card{margin:0}
.grid .card h3{margin-top:0}
.grid a.card{display:block;text-decoration:none;color:inherit}
.grid a.card:hover{border-color:var(--accent)}
.note{background:var(--warn);border:1px solid var(--warn-line);border-radius:10px;padding:12px 16px;margin:18px 0}
.buy{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;padding:8px 14px;border-radius:8px;margin:4px 0}
.buy:hover{filter:brightness(1.08)}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--card)}
ul.check{list-style:none;padding-left:0}
ul.check li{padding-left:28px;position:relative;margin:6px 0}
ul.check li::before{content:"✓";position:absolute;left:4px;color:var(--accent);font-weight:700}
.updated{color:var(--muted);font-size:14px;margin-top:36px}
footer{border-top:1px solid var(--line);max-width:var(--max);margin:0 auto;padding:18px 16px 40px;font-size:14px;color:var(--muted)}
.ar{font-family:"Amiri","Noto Naskh Arabic","Geeza Pro","Traditional Arabic",serif;font-size:26px;line-height:2;direction:rtl;text-align:right;margin:10px 0}
blockquote{border-left:4px solid #c9a227;margin:16px 0;padding:6px 16px;background:var(--card);border-radius:0 10px 10px 0}
blockquote cite{display:block;font-size:14px;color:var(--muted);font-style:normal;margin-top:6px}
.steps{counter-reset:s;list-style:none;padding-left:0}
.steps>li{counter-increment:s;padding-left:44px;position:relative;margin:14px 0}
.steps>li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700;display:grid;place-items:center;font-size:15px}