:root {
  --bg: #fffcf7;
  --card: #ffffff;
  --text: #2b2018;
  --muted: #7a6a5c;
  --accent: #e8590c;
  --accent-soft: #ffe8d9;
  --border: #f0e4d7;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1512;
    --card: #241d18;
    --text: #f3ece4;
    --muted: #b3a294;
    --accent: #ff8a3d;
    --accent-soft: #3a2417;
    --border: #382c22;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  padding: 2.5rem 1.25rem 4rem;
}

main { max-width: 42rem; margin: 0 auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.brand picture { display: inline-flex; }
.brand .logo { height: 32px; width: auto; display: block; }

h1 { font-size: 1.9rem; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 0.4rem; }

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

.lede { font-size: 1.05rem; margin-bottom: 2rem; }

h2 { font-size: 1.2rem; letter-spacing: -0.01em; margin: 2.2rem 0 0.6rem; }

p { margin-bottom: 0.9rem; }

ul { margin: 0 0 0.9rem 1.2rem; }
li { margin-bottom: 0.45rem; }

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

.summary {
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 2rem;
}
.summary strong { display: block; margin-bottom: 0.35rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.card h2, .card h3 { margin-top: 0; font-size: 1.05rem; margin-bottom: 0.4rem; }
.card p:last-child { margin-bottom: 0; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  margin: 0.25rem 0 1rem;
}
.btn:hover { text-decoration: none; opacity: 0.92; }

footer {
  max-width: 42rem;
  margin: 3rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
footer a { color: var(--muted); }