.preloader {
  background-color: var(--bs-primary);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-icon {
  font-size: 8rem;
  color: #fff;
  animation: preloader-spin 1s linear infinite;
}

@keyframes preloader-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}