/* elevation.css — prefer border over shadow. Shadows are a whisper. */
:root {
  --shadow-none: none;
  --shadow-card: 0 1px 3px rgba(0,0,0,.05);
  --shadow-raised: 0 4px 16px rgba(0,0,0,.08);
  --shadow-overlay: 0 12px 40px rgba(0,0,0,.14);
}