/* ──────────────────────────────────────────────────────────────
   Kinetika — Spacing, radius, shadow, layout tokens
   Premium editorial: large margins, ~80% whitespace, restraint.
   ────────────────────────────────────────────────────────────── */
:root {
  /* Spacing scale (4px base) */
  --space-0: 0;
  --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: 160px;   /* page / slide outer margin */

  /* Radius — restrained; the brand is sharp & editorial */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-pill: 999px;

  /* Borders */
  --border-width: 1px;
  --rule-thick: 3px;     /* the copper tick / accent rule */
  --rule-eyebrow-w: 36px;

  /* Shadows — soft, low, diffuse. Depth, never heaviness. */
  --shadow-xs: 0 1px 2px rgba(43,36,34,0.05);
  --shadow-sm: 0 2px 8px rgba(43,36,34,0.06);
  --shadow-md: 0 8px 24px rgba(43,36,34,0.08);
  --shadow-lg: 0 20px 48px rgba(43,36,34,0.10);
  --shadow-copper: 0 12px 32px rgba(194,103,31,0.20);

  /* Layout */
  --container-max: 1200px;
  --container-prose: 680px;
  --content-gutter: clamp(24px, 6vw, 128px); /* @kind spacing */
  --slide-w: 1280px;
  --slide-h: 720px;

  /* Motion — calm, intelligent, precise. No bounce. */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);  /* @kind other */
  --ease-emphasis: cubic-bezier(0.16, 1, 0.3, 1);      /* @kind other */
  --dur-fast: 140ms;   /* @kind other */
  --dur-base: 240ms;   /* @kind other */
  --dur-slow: 420ms;   /* @kind other */
}