.scroll-to-top-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #f00048 0%, #a24b68 100%);
  border: none;
  border-radius: 10%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  z-index: 1000;
  opacity: 0.9;
}

.scroll-to-top-button:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  background: linear-gradient(135deg, #a24b57 0%, #ea6692 100%);
}

.scroll-to-top-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.scroll-to-top-button svg {
  transition: transform 0.2s ease;
}

.scroll-to-top-button:hover svg {
  transform: translateY(-1px);
}

/* Адаптивність для мобільних пристроїв */
@media (max-width: 768px) {
  .scroll-to-top-button {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .scroll-to-top-button {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
  }
  
  .scroll-to-top-button svg {
    width: 20px;
    height: 20px;
  }
}