/* ==========================================================================
   Sticky bar mobile — "Prenota ora" + WhatsApp
   Solo sotto 40em. Stato base: nascosta, fuori schermo e non interattiva
   (visibility: hidden la toglie anche da Tab e lettori di schermo).
   js/sticky-bar.js aggiunge .is-visible quando serve.
   ========================================================================== */

.sticky-bar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  display: flex;
  gap: 10px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background-color: var(--color-ink);
  transform: translateY(100%);
  visibility: hidden;
  transition: transform 220ms ease, visibility 0s linear 220ms;
}

.sticky-bar.is-visible {
  transform: none;
  visibility: visible;
  transition: transform 220ms ease, visibility 0s linear 0s;
}

/* Pulsante principale: largo e predominante */
.sticky-bar__book {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 52px;
  padding: 0 16px;
  border-radius: 10px;
  background-color: var(--color-surface);
  color: var(--color-primary);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.sticky-bar__book:active {
  background-color: var(--color-accent-soft);
}

/* WhatsApp: quadrato compatto */
.sticky-bar__whatsapp {
  flex: none;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background-color: #25D366;
  color: var(--color-surface);
}

.sticky-bar__icon {
  width: 30px;
  height: 30px;
}

/* Focus chiaro: il blu globale è poco visibile sull'antracite */
.sticky-bar a:focus-visible {
  outline: 3px solid var(--color-surface);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .sticky-bar,
  .sticky-bar.is-visible {
    transition: none;
  }
}

/* Mai su tablet e desktop */
@media (min-width: 40em) {
  .sticky-bar {
    display: none;
  }
}