/* Ultra Dewan — spacing, rhythm, the Cut, motion.
   8px baseline. White space is a material: pages should feel under-filled.
   Corners square, shadows absent — hierarchy from hairlines and space. */
:root {
  --baseline: 8px;
  --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;
  --space-11: 192px;  /* editorial breathing room */
  --space-12: 256px;  /* Air-mode isolation */

  /* Gutters (per density) */
  --gutter: 24px;
  --gutter-tight: 16px;   /* Technical density */
  --gutter-wide: 40px;    /* Air / Ultra expression */

  /* Margins (per format; grids.css applies them) */
  --margin-a4l: 56px;
  --margin-a4p: 60px;
  --margin-a3: 80px;
  --margin-slide: 96px;   /* 1920×1080 */
  --margin-square: 72px;
  --margin-flyer: 44px;
  --page-margin: 64px;    /* screen documents (compat) */
  --content-max: 1280px;

  /* The Cut — the single brand element. Never a pattern. */
  --cut-width: 28px;
  --cut-height: 3px;
  --cut-width-long: 56px; /* divider terminal only */

  /* Radii — square by principle */
  --radius-none: 0;

  /* Hairlines */
  --hairline: 1px solid var(--border-hairline);
  --rule-strong: 2px solid var(--border-strong);

  /* Motion — quiet: fades and small translates, no bounces */
  --ease-brand: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --duration-fast: 150ms; /* @kind other */
  --duration-base: 250ms; /* @kind other */
}