/* ============================================================
   Mareas del Sur — Spacing, Radius, Shadow, Layout Tokens
   ============================================================ */

: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: 2.5rem;    /* 40 */
  --space-8: 3rem;      /* 48 */
  --space-9: 4rem;      /* 64 */
  --space-10: 5rem;     /* 80 */
  --space-11: 6rem;     /* 96 */
  --space-12: 8rem;     /* 128 */

  /* Radius — soft, rounded but grounded (matches the circular
     sun / capsule isotype container) */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-pill: 999px;
  --radius-circle: 50%;

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

  /* Shadows — warm-tinted, soft; never harsh black */
  --shadow-xs: 0 1px 2px rgba(16, 64, 85, 0.06);
  --shadow-sm: 0 1px 3px rgba(16, 64, 85, 0.08), 0 1px 2px rgba(16, 64, 85, 0.05);
  --shadow-md: 0 4px 12px rgba(16, 64, 85, 0.10), 0 2px 4px rgba(16, 64, 85, 0.06);
  --shadow-lg: 0 12px 28px rgba(16, 64, 85, 0.14), 0 4px 10px rgba(16, 64, 85, 0.07);
  --shadow-xl: 0 24px 56px rgba(16, 64, 85, 0.18), 0 8px 18px rgba(16, 64, 85, 0.08);
  --shadow-accent: 0 8px 22px rgba(213, 191, 138, 0.40);

  /* Focus ring */
  --focus-ring: 0 0 0 3px var(--ring-focus);

  /* 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: 120ms;   /* @kind other */
  --dur-base: 200ms;   /* @kind other */
  --dur-slow: 360ms;   /* @kind other */

  /* Layout */
  --container-sm: 640px;
  --container-md: 860px;
  --container-lg: 1100px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4rem); /* @kind spacing */
}