/* =============================================================================
   WhatsApp contact button (gz#3415)
   Floating above the back-to-top button (.backtotop: right 10px, bottom 10px, 36px).
============================================================================= */
.whatsapp-btn {
  position: fixed;
  right: 10px;
  bottom: 58px;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: #25d366;
  color: #fff;
  font-size: 30px;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.whatsapp-btn:hover,
.whatsapp-btn:focus-visible {
  background-color: #1ebe5a;
  color: #fff;
  transform: scale(1.08);
}

.whatsapp-btn:focus-visible {
  outline: 3px solid #000;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-btn {
    transition: none;
  }

  .whatsapp-btn:hover,
  .whatsapp-btn:focus-visible {
    transform: none;
  }
}