/* ============================================================
   ELEVATION — Level 0 flat is the default. Shadow is reserved
   for the ride-request form card and the floating pill. The
   brand's main depth cue is the black/white polarity flip.
   ============================================================ */

:root {
  --shadow-0: none;
  --shadow-1: rgba(0, 0, 0, 0.12) 0px 4px 16px 0px; /* subtle drop — promo cards on light */
  --shadow-2: rgba(0, 0, 0, 0.16) 0px 4px 16px 0px; /* card drop — ride-request form */
  --shadow-3: rgba(0, 0, 0, 0.16) 0px 2px 8px 0px;  /* pill float — floating white pill */
}