/* === BACK TO TOP BUTTON === */
.back-to-top {
  position: fixed;
  bottom: 90px; /* increased from 25px to avoid overlapping WhatsApp */
  right: 25px;
  background-color: #022a44;
  padding: 12px;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: white;
}

.back-to-top:hover {
  background-color: #004466;
  transform: translateY(-3px);
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}