/* ============================================================
   NATANE GONÇALVES — floating.css
   Botões flutuantes: WhatsApp + voltar ao topo
============================================================ */

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  z-index: 110;
  box-shadow: 0 14px 34px rgba(37, 211, 102, .25);
  transition:
    transform   var(--tr),
    box-shadow  var(--tr),
    background  var(--tr);
}
.whatsapp-float i { font-size: 1.35rem; }
.whatsapp-float:hover {
  background: #1fb857;
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(37, 211, 102, .34);
}

/* Voltar ao topo */
.to-top {
  position: fixed;
  bottom: calc(2rem + 54px + 12px);
  right: calc(2rem + 5px);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--sage);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  z-index: 100;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity     var(--tr),
    transform   var(--tr),
    background  var(--tr);
  pointer-events: none;
}
.to-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.to-top:hover { background: var(--sage-dark); }