/* Prime Tax — spacing, radius, elevation, motion. */
:root {
  /* Spacing — 4px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Radius — restrained, professional */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-full: 999px;

  /* Elevation — cool-tinted, subtle */
  --shadow-xs: 0 1px 2px rgba(20, 28, 38, 0.06);
  --shadow-sm: 0 1px 3px rgba(20, 28, 38, 0.08), 0 1px 2px rgba(20, 28, 38, 0.04);
  --shadow-md: 0 4px 12px rgba(20, 28, 38, 0.10), 0 1px 3px rgba(20, 28, 38, 0.06);
  --shadow-lg: 0 12px 32px rgba(20, 28, 38, 0.14), 0 2px 6px rgba(20, 28, 38, 0.06);

  /* Motion — brisk, decisive */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 200ms; /* @kind other */
  --duration-slow: 350ms; /* @kind other */

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
}