/* ai.Consult — Spacing, radii, shadows, layout
 * Minimalist system: generous whitespace, restrained corners,
 * borders preferred over shadows. The brand reads "clean".
 */
:root {
  /* ---- Spacing scale (4px base) ---- */
  --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: 3rem;      /* 48 */
  --space-8: 4rem;      /* 64 */
  --space-9: 6rem;      /* 96 */
  --space-10: 8rem;     /* 128 */

  /* ---- Radii — restrained; the brand mark is sharp/geometric ---- */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --radius-card: var(--radius-lg);
  --radius-control: var(--radius-md);

  /* ---- Borders ---- */
  --border-width: 1px;
  --border-width-strong: 1.5px;

  /* ---- Shadows — soft, neutral, used sparingly ---- */
  --shadow-none: none;
  --shadow-sm: 0 1px 2px rgba(46, 46, 44, 0.06);
  --shadow-md: 0 4px 16px rgba(46, 46, 44, 0.08);
  --shadow-lg: 0 16px 48px rgba(46, 46, 44, 0.12);

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-wide: 1440px;
  --gutter: var(--space-6);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-base: 200ms; /* @kind other */
  --dur-slow: 360ms; /* @kind other */
}