:root {
  --bg: #fdfdfb;
  --text: #222;
  --muted: #666;
  --accent: #2a6df4;
  --border: #e4e4e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151515;
    --text: #e8e8e8;
    --muted: #999;
    --accent: #7aa7ff;
    --border: #2c2c2c;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0 auto;
  max-width: 680px;
  padding: 0 16px 48px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header { padding: 40px 0 8px; }
header h1 { margin: 0; font-size: 1.8rem; }
header p { margin: 4px 0 0; color: var(--muted); }

nav {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

a { color: var(--accent); }
nav a { text-decoration: none; font-weight: 500; }
nav a:hover { text-decoration: underline; }

section { padding-top: 24px; scroll-margin-top: 56px; }
h2 { font-size: 1.3rem; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
h3 { font-size: 1.05rem; margin: 18px 0 2px; }

.meta { color: var(--muted); font-size: 0.9rem; margin: 0; }

ul { padding-left: 20px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.grid figure { margin: 0; }
.grid img,
.grid video {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  background: var(--border);
  display: block;
}
.grid figcaption { font-size: 0.9rem; margin-top: 4px; }

.card { color: inherit; text-decoration: none; }
.card img { transition: opacity 0.15s; }
.card:hover img { opacity: 0.85; }
.card:hover figcaption { color: var(--accent); }

.hero { margin: 24px 0 8px; }
.hero img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: var(--border);
  display: block;
}
.hero figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.facts dt { font-weight: 600; }
.facts dd { margin: 0; }

.posts { list-style: none; padding: 0; }
.posts li { margin-bottom: 8px; }
.posts time { color: var(--muted); font-size: 0.9rem; margin-right: 8px; }

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}