/* EON — spacing scale (8px base with a fine 4px step) + layout tokens. */
:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --container-narrow: 640px;   /* web/email reading measure (V2 rule) */
  --container: 1080px;
  --container-wide: 1320px;

  --border-hair: 1px;
}