/* Additional Performance Optimizations for Core Web Vitals */

/* Lazy loading styles */
.car-img-optimized {
  transition: opacity 0.3s ease;
}

.car-img-optimized[data-loading="true"] {
  opacity: 0.7;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Reduce layout shifts */
.feature-card-modern {
  min-height: 200px;
}

.car-card {
  min-height: 400px;
}

.testimonial-card {
  min-height: 180px;
}

/* Optimize font loading */
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Poppins Regular'), local('Poppins-Regular');
}

/* Critical above-the-fold styling */
.hero-section {
  background-image: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  color: white;
}

.modern-header .navbar {
  background: white !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 12px 0;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .hero-section {
    min-height: 50vh;
    padding: 30px 0;
  }
  
  .feature-card-modern {
    min-height: 160px;
    margin-bottom: 20px;
  }
}

/* Preload hover states to prevent layout shift */
.btn-primary:hover,
.car-card:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

/* Optimize CLS for dynamic content */
.owl-carousel {
  min-height: 300px;
}

.car-gallery-container {
  min-height: 400px;
}

/* Improve First Contentful Paint */
.section-title {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
}

.feature-title-modern {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 15px;
}