/* ══════════════════════════════════════════════
   BOTÃO FLUTUANTE WHATSAPP
══════════════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 58px;
  height: 58px;
  background: var(--whatsapp-green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(var(--whatsapp-green-rgb), 0.45);
  transition:
    transform 0.3s var(--easing-back),
    box-shadow 0.3s ease;
  animation: wa-float-pulse 2.8s ease-in-out infinite;
  text-decoration: none;
}

.wa-float:hover {
  transform: scale(1.12) translateY(-3px);
  box-shadow: 0 10px 36px rgba(var(--whatsapp-green-rgb), 0.6);
  animation: none;
}

.wa-float-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--text-dark);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.wa-float-tooltip::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--text-dark);
}

.wa-float:hover .wa-float-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@keyframes wa-float-pulse {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(var(--whatsapp-green-rgb), 0.45);
  }
  50% {
    box-shadow:
      0 4px 32px rgba(var(--whatsapp-green-rgb), 0.75),
      0 0 0 10px rgba(var(--whatsapp-green-rgb), 0.08);
  }
}

@media (max-width: 480px) {
  .wa-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    font-size: 1.45rem;
  }
  .wa-float-tooltip {
    display: none;
  }
}