/* Performance Optimizations */
[data-aos] {
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

/* Lazy Loading */
.lazy-load {
  opacity: 0;
  transition: opacity 0.4s ease;
  background: #f5f5f5;
  will-change: opacity;
}

.lazy-load.lazy-loaded {
  opacity: 1;
  background: transparent;
}

/* Image Optimization */
img {
  content-visibility: auto;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
  max-width: 100%;
  height: auto;
  display: block;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* Transitions */
a, button, .btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity, color, background-color;
}

/* Sliders */
.slick-slide {
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Video Container */
.video-container {
  position: relative;
  overflow: hidden;
  background: #000;
  min-height: 100vh;
}

.video-container video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  will-change: transform, opacity;
}

/* Video Loading */
.video-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.video-loading.active {
  opacity: 1;
}

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.video-loading .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .video-container {
    min-height: 70vh;
  }
  
  .video-loading .spinner {
    width: 30px;
    height: 30px;
  }
}