:root {
  --bg: #fbfaf7; --surface: #ffffff; --text: #1d2420; --muted: #5b665f; --line: #e3e0d6;
  --accent: #14663f; --accent-ink: #ffffff; --accent-soft: #e4f1ea; --warm: #b4372b;
  --radius: 12px; --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101512; --surface: #171e19; --text: #e8ede9; --muted: #a2afa6; --line: #28332b;
    --accent: #4cc489; --accent-ink: #08140e; --accent-soft: #17281f; --warm: #ef7a6b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text); line-height: 1.65;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", sans-serif;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-header { border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 9px; }
.ball { width: 14px; height: 14px; border-radius: 50%; background: var(--warm); box-shadow: inset -3px -2px 0 rgba(0,0,0,.18); }
nav { display: flex; gap: 4px 16px; flex-wrap: wrap; flex: 1; }
nav a { color: var(--muted); text-decoration: none; padding: 6px 2px; border-bottom: 2px solid transparent; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 10px 18px; border-radius: 999px;
  font-weight: 700; text-decoration: none; border: 2px solid var(--accent); cursor: pointer; font-size: 1rem; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.sm { padding: 6px 14px; font-size: .92rem; }

main { padding-top: 32px; padding-bottom: 56px; }
h1 { font-size: clamp(1.8rem, 4.5vw, 2.7rem); line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.45rem; margin: 40px 0 12px; line-height: 1.3; }
h3 { font-size: 1.1rem; margin: 0 0 6px; line-height: 1.35; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 46em; }
.hero { padding: 24px 0 8px; }
.meta { color: var(--muted); font-size: .92rem; margin: 0 0 8px; }
.note { color: var(--muted); font-size: .9rem; border-left: 3px solid var(--line); padding-left: 12px; }
.small { font-size: .88rem; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card, .box, .vcard { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.card h3 a { color: var(--text); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.tag { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 10px; font-size: .8rem; margin-right: 4px; }
.box { margin: 40px 0 0; }
.box h2 { margin-top: 0; }
.cta { background: var(--accent-soft); border-color: transparent; }

.signup { display: flex; gap: 10px; flex-wrap: wrap; }
.signup input { flex: 1 1 220px; padding: 10px 14px; border-radius: 999px; border: 2px solid var(--line); background: var(--bg); color: var(--text); font-size: 1rem; }
.signup input:focus-visible, .btn:focus-visible, a:focus-visible, .yt-play:focus-visible { outline: 3px solid var(--warm); outline-offset: 2px; }

.post header { margin-bottom: 18px; }
.prose { max-width: 44rem; }
.prose img { max-width: 100%; height: auto; border-radius: 8px; }
.prose table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.prose blockquote { margin: 1em 0; padding: 4px 16px; border-left: 4px solid var(--accent); color: var(--muted); }
.prose code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; font-size: .92em; }

.yt { margin: 20px 0; }
.yt-play { position: relative; display: block; width: 100%; max-width: 720px; aspect-ratio: 16 / 9; padding: 0; border: 0; border-radius: var(--radius);
  overflow: hidden; background: #000; cursor: pointer; }
.yt-play img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .92; }
.yt-icon { position: absolute; inset: 0; margin: auto; width: 68px; height: 68px; border-radius: 50%; background: var(--warm);
  color: #fff; display: grid; place-items: center; font-size: 26px; padding-left: 4px; }
.yt iframe { width: 100%; max-width: 720px; aspect-ratio: 16 / 9; border: 0; border-radius: var(--radius); }
.yt figcaption { font-size: .88rem; margin-top: 6px; }
.vcard .yt { margin: 0 0 10px; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: .95rem; }
@media (max-width: 600px) { body { font-size: 16px; } .bar { gap: 8px 14px; } }
@media (prefers-reduced-motion: no-preference) { .btn, nav a { transition: filter .15s, border-color .15s; } }
@media (max-width: 700px) {
  .bar nav { order: 3; flex: 1 1 100%; gap: 2px 16px; }
  .bar .btn { margin-left: auto; }
}
.nl-frame { width: 100%; max-width: 560px; height: 150px; border: 0; background: transparent; }

.vlink { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; color: var(--text); text-decoration: none; }
.vlink:hover { border-color: var(--accent); }
.vlink img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; display: block; margin-bottom: 8px; }
.vlink span { font-weight: 600; line-height: 1.35; }
.keyfind { background: var(--accent-soft); border-radius: var(--radius); padding: 4px 20px 8px; margin: 20px 0; }
.keyfind h2 { margin-top: 12px; }

.nl-slot { margin-top: 12px; min-height: 64px; }
.nl-slot iframe { max-width: 100%; }