/* =============================================
   Cárgalo — Shadow / Elevation Tokens
   Philosophy: restrained, navy-tinted. Trust over flash.
   ============================================= */

:root {
  --shadow-xs:   0 1px 3px  rgba(27,46,94,0.06);
  --shadow-sm:   0 2px 8px  rgba(27,46,94,0.08);   /* Cards — resting */
  --shadow-md:   0 4px 16px rgba(27,46,94,0.12);   /* Cards — hover */
  --shadow-lg:   0 8px 32px rgba(27,46,94,0.16);   /* Dialogs, modals */

  /* Semantic aliases */
  --shadow-card:       var(--shadow-sm);
  --shadow-card-hover: var(--shadow-md);
  --shadow-nav:        0 1px 0 rgba(0,0,0,0.10);

  /* Button accent glow (use sparingly) */
  --shadow-btn-accent:    0 4px 12px rgba(69,176,73,0.35);
  --shadow-btn-whatsapp:  0 4px 12px rgba(37,211,102,0.35);
}