:root {
  --bg: #0d0d0f;
  --surface: #17181c;
  --text: #e9e9ec;
  --muted: #9b9ba4;
  --accent: #ffc400;
  --border: #26272e;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #f5f5f7;
    --text: #16171a;
    --muted: #5c5d67;
    --accent: #a67c00;
    --border: #e2e2e7;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 44rem; margin: 0 auto; }

header {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin: 0;
}

.tagline { color: var(--muted); margin: 0.4rem 0 0; }

nav { margin-top: 1.5rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }

nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

nav a:hover, nav a[aria-current="page"] { border-bottom-color: var(--accent); }

h1 { font-size: 1.7rem; letter-spacing: -0.01em; margin: 0 0 0.35rem; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 0.6rem; }

.updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 2rem; }

a { color: var(--accent); }

ul { padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin: 1.5rem 0;
}

.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}