:root {
  --bg: #fdfcfa;
  --ink: #1b1b1b;
  --muted: #595959;
  --accent: #b2543b;
  --border: #e6e2dc;
  --max: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

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

header, main, footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 24px;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

header h1 {
  font-size: 20px;
  margin: 0;
  letter-spacing: 0.01em;
}

header nav a {
  margin-left: 16px;
  color: var(--muted);
  font-size: 15px;
}

main h2 {
  font-size: 28px;
  margin: 24px 0 8px;
}

main h3 {
  font-size: 18px;
  margin: 28px 0 6px;
}

main p, main li {
  color: #2b2b2b;
}

main ul { padding-left: 20px; }

footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer nav a { margin-right: 16px; }