/* ============================================================
   SPACING, RADII, SHADOWS, LAYOUT — Balto
   NOTE: the brand PDF (v1.0 draft) does not specify spacing, radii,
   or shadow systems. These are inferred to match the brand's
   restrained, editorial, "sophisticated not colorful" feel:
   generous whitespace, minimal soft shadows, quiet borders.
   ============================================================ */
:root {
  /* Spacing scale (4px base) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radii — quiet, slightly-rounded corners (cards ≈ 8px) */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  /* Border widths */
  --border-width: 1px;
  --border-width-strong: 1.5px;

  /* Shadows — used sparingly; restraint reads as premium.
     Warm, low-opacity, tinted toward Ink rather than pure black. */
  --shadow-xs: 0 1px 2px rgba(30, 30, 30, 0.05);
  --shadow-sm: 0 1px 3px rgba(30, 30, 30, 0.07), 0 1px 2px rgba(30, 30, 30, 0.04);
  --shadow-md: 0 4px 12px rgba(30, 30, 30, 0.08), 0 2px 4px rgba(30, 30, 30, 0.04);
  --shadow-lg: 0 12px 32px rgba(30, 30, 30, 0.10), 0 4px 8px rgba(30, 30, 30, 0.05);

  /* Layout */
  --container-max: 1200px;
  --container-prose: 68ch; /* ~60–75 char measure for body copy */

  /* Motion — quiet, deliberate. Ease, no bounce. */
  --ease: cubic-bezier(0.2, 0, 0, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration: 180ms; /* @kind other */
  --duration-slow: 260ms; /* @kind other */
}