/* Spacing, radii, shadows, layout — ROYALFIELD
 * Base unit 8px. All spacing is a multiple of 8 (with 4px half-step).
 */
:root {
  /* ---- Spacing scale (8px base) ---- */
  --space-0: 0;
  --space-half: 4px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;   /* default grid gap */
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;   /* mobile section padding */
  --space-8: 64px;
  --space-10: 80px;  /* desktop section padding */

  /* ---- Radii ---- */
  --radius-button: 4px;
  --radius-input: 6px;
  --radius-card: 8px;
  --radius-form: 12px;
  --radius-pill: 999px;

  /* ---- Shadows ---- */
  --shadow-card: 0 2px 12px rgba(26, 26, 26, 0.08);
  --shadow-card-hover: 0 12px 28px rgba(26, 26, 26, 0.14);
  --shadow-form: 0 6px 24px rgba(26, 26, 26, 0.10);
  --shadow-header: 0 1px 0 rgba(26, 26, 26, 0.06), 0 4px 16px rgba(26, 26, 26, 0.05);

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-pad: 24px;
  --header-height: 64px;
  --grid-gap: 24px;
  --accent-bar: 3px;    /* copper accent strip (form, footer) */

  /* ---- Borders ---- */
  --border-width: 1.5px;

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --dur-fast: 150ms; /* @kind other */
  --dur-base: 200ms; /* @kind other */
  --dur-slow: 500ms; /* @kind other */

  /* ---- Breakpoints (reference) ---- */
  --bp-mobile: 375px;
  --bp-tablet: 768px;
  --bp-desktop-sm: 1024px;
  --bp-desktop: 1280px;
  --bp-wide: 1440px;
}