/**
 * Back to Top Button - 2026 UX Best Practice
 * Always visible, elegant golden style
 */

.back-to-top {
  position: fixed;
  bottom: 5rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #d4af37 0%, #e6c96e 100%);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2147483647;
  font-size: 28px;
  font-weight: bold;
  color: #0a0a0a;
  line-height: 1;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.6);
  background: linear-gradient(135deg, #e6c96e 0%, #f0d478 100%);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.95);
}

/* Responsive */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    font-size: 22px;
  }
}