/* ============================================================
   IntentLink — Spacing, radius, shadow & motion
   Soft, blue-tinted shadows over hard borders. Generous radii
   (cards rounded-2xl, controls rounded-full). Snappy ease-out.
   ============================================================ */

: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:  1.25rem;  /* 20 */
  --space-6:  1.5rem;   /* 24 */
  --space-7:  1.75rem;  /* 28 — card padding */
  --space-8:  2rem;     /* 32 */
  --space-10: 2.5rem;   /* 40 */
  --space-12: 3rem;     /* 48 */
  --space-16: 4rem;     /* 64 */
  --space-20: 5rem;     /* 80 */
  --space-24: 6rem;     /* 96 — section padding-y */

  /* ---- Layout ---- */
  --container-max: 1280px;
  --content-max:   768px;   /* prose / centered copy */
  --gutter:        1.5rem;

  /* ---- Radius ---- */
  --radius-sm:   0.375rem;  /* 6  — chips, kbd */
  --radius-md:   0.625rem;  /* 10 — inputs, buttons */
  --radius-lg:   0.75rem;   /* 12 — small cards / FAQ */
  --radius-xl:   1rem;      /* 16 — feature cards (rounded-2xl) */
  --radius-2xl:  1.5rem;    /* 24 — pricing / CTA panels */
  --radius-pill: 9999px;    /* nav, buttons, badges */

  /* ---- Shadows: soft, low-contrast, blue-tinted on hover ---- */
  --shadow-xs:   0 1px 2px rgba(2, 6, 23, 0.05);
  --shadow-sm:   0 1px 3px rgba(2, 6, 23, 0.06);
  --shadow-card: 0 2px 8px rgba(2, 6, 23, 0.04);
  --shadow-md:   0 4px 20px rgba(2, 6, 23, 0.06);
  --shadow-lg:   0 12px 32px rgba(2, 6, 23, 0.08);
  /* Brand-tinted lift used on hovered cards/buttons */
  --shadow-brand:     0 8px 30px rgba(37, 99, 235, 0.07);
  --shadow-brand-btn: 0 4px 14px rgba(37, 99, 235, 0.30);
  --shadow-brand-btn-hover: 0 6px 20px rgba(37, 99, 235, 0.35);

  /* ---- Motion ---- */
  --ease-out:    cubic-bezier(0.23, 1, 0.32, 1);   /* @kind other */ /* enter/exit UI */
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);  /* @kind other */ /* move/morph */
  --dur-fast:   160ms;  /* @kind other */ /* button press, hover */
  --dur-base:   200ms;  /* @kind other */ /* tooltips, dropdowns */
  --dur-slow:   300ms;  /* @kind other */ /* accordions, FAQ */
  --dur-reveal: 700ms;  /* @kind other */ /* scroll-reveal fade-up */
  --press-scale: 0.97;  /* @kind other */ /* active button scale */
}