/* === Кнопка "Наверх" === */
#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  font-size: 24px;
  padding: 10px 15px;
  border-radius: 50%;
  background-color: #c084fc;
  color: #fff;
  border: none;
  box-shadow: 0 4px 10px rgba(192, 132, 252, 0.3);
  display: none;
  z-index: 999;
  transition: background 0.3s, transform 0.3s;
  cursor: pointer;
}

#scrollTopBtn:hover {
  background: #a855f7;
  transform: translateY(-2px);
}

#scrollTopBtn:active {
  transform: scale(0.95);
}