/* ============================================================
   BASTYON · Spacing, radius, shadow, motion tokens
   ============================================================ */

:root {
  /* Spacing — 4px base unit */
  --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: 6rem;     /* 96 */

  /* Radius — modern, restrained (the wordmark is geometric/sharp) */
  --radius-xs:   3px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* Border widths */
  --border-1: 1px;
  --border-2: 2px;

  /* Shadows — soft, cool navy-tinted (never neutral gray) */
  --shadow-xs: 0 1px 2px rgba(15, 35, 70, 0.06);
  --shadow-sm: 0 1px 3px rgba(15, 35, 70, 0.08), 0 1px 2px rgba(15, 35, 70, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 35, 70, 0.10), 0 2px 4px rgba(15, 35, 70, 0.05);
  --shadow-lg: 0 12px 28px rgba(15, 35, 70, 0.14), 0 4px 8px rgba(15, 35, 70, 0.06);
  --shadow-xl: 0 24px 56px rgba(15, 35, 70, 0.18);
  --shadow-focus: 0 0 0 3px var(--focus-ring);
  --shadow-brand: 0 8px 20px rgba(91, 189, 36, 0.28);

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0, 0.1, 1);    /* @kind other */
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);    /* @kind other */
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);          /* @kind other */
  --dur-fast: 120ms;   /* @kind other */
  --dur-base: 200ms;   /* @kind other */
  --dur-slow: 320ms;   /* @kind other */

  /* Layout */
  --container-max: 1200px;     /* @kind other */
  --container-narrow: 760px;   /* @kind other */
  --z-sticky: 100;    /* @kind other */
  --z-overlay: 1000;  /* @kind other */
  --z-toast: 1200;    /* @kind other */
}