#backToTop {
  display: none;
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: var(--primary);
  color: var(--accent);
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 50%;
  transition: background 0.3s ease, transform 0.2s ease;
}

#backToTop:hover {
  background-color: #1a3a2a;
  transform: scale(1.1);
}