:root {
  --color-primary: #1a4a8a;
  --color-text:    #1a1a1a;
  --max-width:     860px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
}

.site-header, main, .site-footer {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}