:root {
  --site-font-heading: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --site-font-heading-weight: 700;
  --site-font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --site-color-primary: #334155;
  --site-color-background: #f8fafc;
  --site-color-text: #1e293b;
  --site-color-accent: #3b82f6;
}