/* Add to your style.css or in a <style> block */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: black;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.spinner {
  border: 6px solid #444;
  border-top: 6px solid pink;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
body:not(.loaded) .main-content, 
body:not(.loaded) .overlay,
body:not(.loaded) video,
body:not(.loaded) .swiper {
  opacity: 0;
  pointer-events: none;
}

body.loaded .main-content,
body.loaded .overlay,
body.loaded video,
body.loaded .swiper {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 2s ease;
}