:root {
  color-scheme: light dark;
  --bg: #f7f7fa;
  --fg: #1c1c22;
  --muted: #5a5a66;
  --card: #ffffff;
  --accent: #4a5fc1;
  --border: #e2e2ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14141a;
    --fg: #e8e8ee;
    --muted: #9a9aa8;
    --card: #1e1e26;
    --accent: #8fa0ff;
    --border: #2c2c38;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

header.site nav {
  max-width: 760px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  flex-wrap: wrap;
}

header.site .brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  text-decoration: none;
}

header.site a:not(.brand) {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

header.site a:not(.brand):hover { color: var(--accent); }

header.site .lang { margin-left: auto; }

h1 { font-size: 1.7rem; margin: 1.5rem 0 0.5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.5rem; }

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

p.stand { color: var(--muted); font-size: 0.9rem; }

address { font-style: normal; }

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}