:root{--bg:#f4f7fb;--fg:#0f172b;--muted:#4e5c6f;--card:#fff;--border:#e2e8f0;--primary:#2563eb;--primary-strong:#1d4ed8;--tint:#eff6ff;--warn-bg:#fef3c7;--warn-fg:#78350f}
@media (prefers-color-scheme:dark){:root{--bg:#0a111f;--fg:#edf2f9;--muted:#aab6c6;--card:#111b2e;--border:#24324a;--primary:#3778f5;--primary-strong:#9ec7fe;--tint:#16233d;--warn-bg:#3a2e12;--warn-fg:#fde68a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Devanagari","Noto Sans Malayalam",sans-serif}
a{color:var(--primary-strong)}a:focus-visible,button:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.site{background:var(--card);border-bottom:1px solid var(--border)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg);font-weight:700;font-size:20px}
nav.top a{margin-left:14px;font-size:15px;text-decoration:none;color:var(--muted)}nav.top a:hover{color:var(--primary-strong)}
main{padding:28px 0 56px}
h1{font-size:30px;line-height:1.25;margin:0 0 6px}h2{font-size:21px;margin:34px 0 8px}h3{font-size:17px;margin:20px 0 4px}
p,li{color:var(--fg)}.muted{color:var(--muted)}.meta{color:var(--muted);font-size:14px;margin:0 0 22px}
ul,ol{padding-left:22px}li{margin:4px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:18px 20px;margin:18px 0}
.card.tint{background:var(--tint)}
.hi{background:var(--tint);border:1px solid var(--border);border-radius:20px;padding:6px 20px 14px;margin:18px 0}
.hero{padding:30px 0 6px}.hero h1{font-size:38px}.hero p.lead{font-size:19px;color:var(--muted);max-width:620px}
.btn{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;font-weight:600;border-radius:16px;padding:14px 22px;margin:6px 8px 6px 0}
.btn.alt{background:var(--card);color:var(--primary-strong);border:1px solid var(--border)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.grid .card{margin:0}
.price{font-size:34px;font-weight:800}
.todo{background:var(--warn-bg);color:var(--warn-fg);border-radius:6px;padding:0 4px}
table{width:100%;border-collapse:collapse;margin:12px 0}th,td{border-bottom:1px solid var(--border);padding:8px 6px;text-align:left;vertical-align:top;font-size:15px}
footer.site{border-top:1px solid var(--border);background:var(--card);padding:22px 0;color:var(--muted);font-size:14px}
footer.site a{margin-right:14px}
@media (max-width:520px){h1{font-size:25px}.hero h1{font-size:29px}}