/* Oculto por defecto; se mostrará cuando JS agregue .is-visible */
#mobile-sticky-banner { display: none; }

@media (max-width: 767px){
  body:not(.admin-bar){ padding-bottom: 92px; }
  body.admin-bar { padding-bottom: 138px; }

  #mobile-sticky-banner{
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 9999;
    /* NO pongas display aquí */
    justify-content: center;
    align-items: center;
    padding: 8px env(safe-area-inset-right)
             calc(8px + env(safe-area-inset-bottom))
             env(safe-area-inset-left);
    background: rgba(255,255,255,.96);
    box-shadow: 0 -6px 16px rgba(0,0,0,.15);
    backdrop-filter: saturate(120%) blur(2px);
  }

  /* visible cuando JS agrega la clase */
  #mobile-sticky-banner.is-visible{ display: flex !important; }

  #mobile-sticky-banner .cdc-link{ display:block; width:100%; max-width:480px; }
  #mobile-sticky-banner img{ width:100%; height:auto; border-radius:0; box-shadow:0 2px 8px rgba(0,0,0,.18); }

  #mobile-sticky-banner .cdc-close{
    position:absolute; top:-12px; right:12px;
    width:36px; height:36px; border:0; border-radius:999px;
    background:#111; color:#fff; font-size:20px; line-height:36px; cursor:pointer;
    box-shadow:0 2px 6px rgba(0,0,0,.35);
    display:flex; align-items:center; justify-content:center;
  }
}