:root {
  --bg: #0b1218;
  --bg-2: #141b25;
  --fg: #e5ecf5;
  --muted: #8b96a8;
  --border: #2a3240;
  --accent: #4ade80;
  --red: #d9342a;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.content {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}
header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.logo {
  font-size: 1.6em;
  color: var(--accent);
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(74,222,128,0.4));
}
header.site h1.brand {
  font-size: 1.25em; margin: 0;
}
header.site nav {
  margin-left: auto;
  display: flex; gap: 18px; align-items: center;
  font-size: 0.92em;
}
header.site nav a.play-cta {
  background: var(--accent);
  color: #0b1218;
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 700;
}
header.site nav a.play-cta:hover { text-decoration: none; filter: brightness(1.08); }

h1.page {
  font-size: 2em;
  margin: 0 0 6px;
  letter-spacing: -0.5px;
}
.lede {
  color: var(--muted);
  font-size: 1.05em;
  margin: 0 0 28px;
}
h2 {
  font-size: 1.3em;
  margin: 32px 0 10px;
  color: var(--fg);
}
h3 {
  font-size: 1.05em;
  margin: 20px 0 6px;
  color: var(--fg);
}
p { margin: 10px 0; color: #c8d0dc; }
ul, ol { padding-left: 22px; color: #c8d0dc; }
li { margin: 6px 0; }
code {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
  margin: 14px 0 0;
}
.card-list li {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0;
}
.card-list .head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.card-list .icon { font-size: 1.4em; }
.card-list .name { font-weight: 700; font-size: 1em; }
.card-list .desc { font-size: 0.9em; color: #c8d0dc; margin: 0; }

footer.site {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88em;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--fg); }

.play-banner {
  margin: 36px 0 0;
  padding: 24px;
  background: linear-gradient(135deg, rgba(74,222,128,0.12), rgba(74,222,128,0.04));
  border: 1px solid rgba(74,222,128,0.25);
  border-radius: 12px;
  text-align: center;
}
.play-banner h3 { margin: 0 0 6px; font-size: 1.2em; }
.play-banner p { margin: 0 0 14px; color: #c8d0dc; }
.play-banner a.btn {
  display: inline-block;
  background: var(--accent);
  color: #0b1218;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1em;
}

@media (max-width: 600px) {
  .content { padding: 20px 16px 40px; }
  h1.page { font-size: 1.6em; }
  header.site nav { gap: 10px; font-size: 0.85em; }
  header.site nav a:not(.play-cta) { display: none; }
}