/* ============================================================
   SPACING — Hey AI Help
   4px base unit. Section rhythm 96px; generous 32px card padding.
   ============================================================ */
:root {
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-section: 96px;

  /* Common composite measures */
  --container-max: 1200px;       /* centered max content width */
  --card-pad: var(--space-xl);   /* feature / pricing / model cards */
  --card-pad-tight: var(--space-lg); /* code-window cards, connector tiles */
  --callout-pad: var(--space-xxl);   /* coral callout cards */
  --cta-band-pad: 64px;          /* large dark/coral pre-footer bands */
}