/* ============================================================
   Vichem — Spacing, Radius, Shadow, Layout
   8px base grid.
   ============================================================ */

:root {
  /* ---- Spacing scale (8px grid + half steps) ---- */
  --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-12: 6rem;    /* 96 */

  /* ---- Radii — restrained, structural ---- */
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

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

  /* ---- Shadows — soft, cool-tinted, low spread ---- */
  --shadow-xs: 0 1px 2px rgba(18, 42, 73, 0.06);
  --shadow-sm: 0 1px 3px rgba(18, 42, 73, 0.08), 0 1px 2px rgba(18, 42, 73, 0.05);
  --shadow-md: 0 4px 12px rgba(18, 42, 73, 0.10);
  --shadow-lg: 0 12px 28px rgba(18, 42, 73, 0.14);
  --shadow-xl: 0 24px 48px rgba(18, 42, 73, 0.18);
  --shadow-focus: 0 0 0 3px var(--focus-ring);

  /* ---- Typography ---- */
  --font-body:    'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'UTM Bebas', 'Be Vietnam Pro', sans-serif;
  --font-mono:    ui-monospace, 'Cascadia Code', monospace;

  /* ---- Motion — calm, professional. Ease-out, short. No bounce. ---- */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.25, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;
}