/* ============================================================
   TSA — Spacing, radii, shadows
   Signature motif: very large "squircle" radii on photo tiles.
   ============================================================ */
: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 */

  /* Layout */
  --page-margin: 6.25rem;   /* 100px — brand grid margin */
  --content-max: 1240px;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;    /* color chips, small cards (brand spec) */
  --radius-lg: 18px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --radius-tile: 72px;  /* signature squircle photo tile (~18% of side) */

  /* Shadows — soft, low-contrast; brand leans on color & shape,
     not heavy elevation. */
  --shadow-sm: 0 1px 2px rgba(61, 57, 53, 0.08);
  --shadow-md: 0 4px 16px rgba(61, 57, 53, 0.10);
  --shadow-lg: 0 12px 40px rgba(61, 57, 53, 0.14);
  --shadow-tile: 0 18px 60px rgba(0, 0, 0, 0.18);

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-base: 220ms; /* @kind other */
  --dur-slow: 380ms; /* @kind other */
}