/* ─────────────────────────────────────────────
   ELEVATION — Helping Hand Center Design System
   Depth comes from texture + illustration on dark,
   shadows reserved for light-canvas lift.
   ───────────────────────────────────────────── */

:root {
  --shadow-0: none;
  /* Level 1 — inverted buttons lifting off dark canvas */
  --shadow-1: rgba(0,0,0,0.08) 0 2px 8px 0;
  /* Level 2 — floating cards on light canvas, modals */
  --shadow-2: rgba(0,0,0,0.1) 0 10px 15px -3px, rgba(0,0,0,0.1) 0 4px 6px -4px;
  /* Level 3 — glow halo around primary CTA on dark hero */
  --shadow-3: rgb(21,15,35) 0 0 8px 6px;
  /* Level 4 — pressed inverted button on dark canvas */
  --shadow-4: rgba(0,0,0,0.18) 0 0.5rem 1.5rem;
}