:root {
  /* Colors — achromatic, derived from current trinactremesel.cz */
  --color-bg: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-ink: #1A1A1A;
  --color-muted: #595959;
  --color-rule: #E5E5E5;
  --color-soft: #F5F5F5;

  /* Typography */
  --font-base: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Type scale (body / utility) */
  --fs-xs: 0.875rem;
  --fs-sm: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;

  /* Heading scale — matches Squarespace originál (h1=4, h2=2.8, h3=2.2, h4=1.6) */
  --fs-h1: clamp(2.25rem, 1.5rem + 3vw, 4rem);
  --fs-h2: clamp(1.4rem, 1rem + 1vw, 1.75rem);
  --fs-h3: clamp(1.25rem, 1rem + 0.7vw, 1.5rem);
  --fs-h4: clamp(1.1rem, 1rem + 0.4vw, 1.25rem);

  /* Line heights */
  --lh-tight: 1.2;
  --lh-base: 1.65;
  --lh-loose: 1.85;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout */
  --max-prose: 65ch;
  --max-content: 70rem;
  --max-narrow: 32rem;

  /* Misc */
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 1rem;
}