/* Loader styles for intro section */
.intro-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  z-index: 10;
  transition: opacity 0.4s;
}
.intro-loader__spinner {
  border: 4px solid #fff;
  border-top: 4px solid #888;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.intro-loader--hidden {
  opacity: 0;
  pointer-events: none;
}