/* ============================================================
   MEF · Spacing & layout tokens
   4px base rhythm. Widths tuned for editorial columns and for
   in-article CMS embeds (the exhibit frame).
   ============================================================ */
:root {
  --space-0:  0;
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-7:  32px;
  --space-8:  40px;
  --space-9:  48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;
  --space-13: 128px;

  /* Layout widths */
  --container-max:    1200px;  /* site grid */
  --container-wide:   1320px;
  --measure:          680px;   /* readable article column */
  --container-narrow: 720px;

  /* Interactive exhibit embed (matches inline-in-article width) */
  --exhibit-width:    720px;
  --exhibit-pad:      24px;

  --gutter:           24px;    /* grid gutter */
  --gutter-lg:        32px;
}