:root {
  --bg: #fcfcfa;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e6e4df;
  --accent: #1f4e8c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --text: #e8e6e1;
    --muted: #9a978f;
    --line: #2a2a2a;
    --accent: #8db4ea;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 96px 20px 48px;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.25;
  margin: 0;
}
h1 { font-size: 2.4rem; letter-spacing: -0.01em; }
h2 { font-size: 1.5rem; margin-bottom: 24px; }
h3 { font-size: 1.2rem; margin-bottom: 6px; }

p { margin: 0 0 12px; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
a:hover { border-bottom-color: var(--accent); }

.lead { font-size: 1.15rem; color: var(--muted); margin-top: 16px; }

.nav { display: flex; gap: 24px; margin-top: 28px; font-size: 0.95rem; }
.nav a { color: var(--muted); border: 0; }
.nav a:hover { color: var(--text); }

section {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.topic + .topic { margin-top: 36px; }
.topic p { color: var(--text); }

.links, .contacts { list-style: none; padding: 0; margin: 8px 0 0; }
.links li, .contacts li { margin: 4px 0; }
.links li::before { content: "→ "; color: var(--muted); }

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

.foot {
  margin-top: 96px;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  body { font-size: 17px; }
  .wrap { padding-top: 56px; }
  h1 { font-size: 2rem; }
}