#scroll-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  z-index: 1000;
}

#scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}