/* O Plano DBA — Spacing, radius, shadow, layout tokens
   8px base grid. Generous whitespace supports the
   low-text, breathable teaching-slide style. */

:root {
  /* Spacing scale (8px grid, with half-steps) */
  --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-12: 7rem;    /* 112 */

  /* Radius — soft, rounded but not pill-everything.
     Note the brand mark's rounded-rect chip + Oracle's stadium O. */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-pill: 999px;

  /* Shadows — light, cool-tinted, low spread (cards sit calmly) */
  --shadow-xs: 0 1px 2px rgba(21, 39, 59, 0.06);
  --shadow-sm: 0 2px 6px rgba(21, 39, 59, 0.08);
  --shadow-md: 0 8px 20px rgba(21, 39, 59, 0.10);
  --shadow-lg: 0 18px 40px rgba(21, 39, 59, 0.14);
  --shadow-xl: 0 30px 70px rgba(21, 39, 59, 0.18);
  --shadow-red: 0 12px 28px rgba(220, 64, 48, 0.28);

  /* Borders */
  --border-width: 1px; /* @kind other */
  --border-width-thick: 2px; /* @kind other */

  /* Layout */
  --slide-w: 1280px; /* @kind other */
  --slide-h: 720px; /* @kind other */
  --container-max: 1120px; /* @kind other */
  --gutter: 2.5rem; /* @kind other */

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1); /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --dur-fast: 140ms; /* @kind other */
  --dur-base: 240ms; /* @kind other */
  --dur-slow: 420ms; /* @kind other */
}