/* ===========================================================================
   Level Up Learning — Spacing, radius, sizing
   8px base grid. Brand layout is generous and airy with confident gutters.
   =========================================================================== */
:root {
  --space-0:   0;
  --space-1:   0.25rem;   /* 4  */
  --space-2:   0.5rem;    /* 8  */
  --space-3:   0.75rem;   /* 12 */
  --space-4:   1rem;      /* 16 */
  --space-5:   1.5rem;    /* 24 */
  --space-6:   2rem;      /* 32 */
  --space-7:   2.5rem;    /* 40 */
  --space-8:   3rem;      /* 48 */
  --space-9:   4rem;      /* 64 */
  --space-10:  5rem;      /* 80 */
  --space-11:  6rem;      /* 96 */
  --space-12:  8rem;      /* 128 — section padding */

  /* Radii — brand is largely SQUARE/architectural. Subtle rounding only. */
  --radius-none:  0;
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    14px;
  --radius-xl:    22px;
  --radius-pill:  999px;   /* chips / capsule buttons */

  /* Container widths */
  --container-sm:  640px;
  --container-md:  880px;
  --container-lg:  1140px;
  --container-xl:  1320px;

  /* Control sizing */
  --control-h-sm: 36px;
  --control-h-md: 46px;
  --control-h-lg: 56px;
}