/* Subtle Gradient — Elevation. Shadows are built from --shadow-blue and stay subtle;
   the gradient mesh is the brand's primary depth medium, not literal shadow. */
:root {
  --elev-0: none;
  --elev-1: 0 1px 3px rgba(0, 55, 112, 0.08);                                  /* card lift on white */
  --elev-2: 0 8px 24px rgba(0, 55, 112, 0.08), 0 2px 6px rgba(0, 55, 112, 0.04);/* floating panels, mockup chrome */
  --elev-focus: 0 0 0 3px rgba(91, 77, 245, 0.22);                             /* input / button focus ring */
}