/* MetalIQ — Elevation
 * Subtle by default. Prefer borders on flat surfaces.
 */
:root{
  --shadow-card:0 1px 3px rgba(16,24,40,.05), 0 1px 2px rgba(16,24,40,.03);
  --shadow-raised:0 6px 20px rgba(16,24,40,.10), 0 2px 6px rgba(16,24,40,.05);
  --shadow-modal:0 18px 40px rgba(16,24,40,.16), 0 6px 16px rgba(16,24,40,.08);
  --shadow-none:0 0 0 rgba(0,0,0,0);
}