/* Loader styles */
#site-loader {
  position: fixed;
  z-index: 9999;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s;
}
#site-loader .spinner {
  width: 3rem;
  height: 3rem;
  border: 0.4rem solid #e0e0e0;
  border-top: 0.4rem solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
#site-loader.loaded {
  opacity: 0;
  pointer-events: none;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}