/* Vambiant — Spacing, radii, shadows, motion
   The brand system is clean and airy: generous whitespace, restrained radii,
   soft low-contrast shadows. */
:root {
  /* ---- Spacing scale (4px base) ---- */
  --sp-0:  0; /* @kind spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;
  --sp-32: 128px;

  /* ---- Radii — soft, not pill-heavy. Buttons are gently rounded. ---- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --radius-card: 16px;

  /* ---- Borders ---- */
  --border-width: 1px;
  --border-hair: 1px solid var(--vam-line); /* @kind other */

  /* ---- Shadows — soft, cool-tinted, low contrast ---- */
  --shadow-xs: 0 1px 2px rgba(12, 36, 61, 0.06);
  --shadow-sm: 0 2px 8px rgba(12, 36, 61, 0.06);
  --shadow-md: 0 10px 28px rgba(12, 36, 61, 0.08);
  --shadow-lg: 0 24px 60px rgba(12, 36, 61, 0.12);
  --shadow-focus: 0 0 0 3px rgba(154, 183, 205, 0.5);

  /* ---- Layout ---- */
  --container: 1200px;
  --container-narrow: 820px;
  --gutter: 24px;

  /* ---- Motion — calm, confident. Ease-out, no bounce. ---- */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast: 140ms; /* @kind other */
  --dur-med: 240ms; /* @kind other */
  --dur-slow: 420ms; /* @kind other */
}