/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU Acceleration for Animations */
.service,
.card,
.btn,
.nav-link,
.portfolio-item {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Optimize scroll performance */
.site-header {
  will-change: transform, box-shadow;
}

/* Lazy load images - native support */
img[loading="lazy"] {
  content-visibility: auto;
}

/* Optimize font rendering */
body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-display: swap;
}

/* Reduce layout shifts */
img, picture, video, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Optimize animations */
@media (prefers-reduced-motion: no-preference) {
  .animate-in {
    animation-duration: 0.6s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  }
}

/* Content visibility for better rendering */
.section {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

/* Optimize backdrop filters */
.site-header {
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  contain: layout style paint;
}

/* Optimize transforms */
@media (hover: hover) {
  .service:hover,
  .card:hover {
    will-change: transform, box-shadow;
  }
}

/* Prevent CLS for images */
.service-icon img,
.brand-logo-img {
  width: auto;
  height: auto;
  max-width: 100%;
}

/* Optimize scrolling */
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Offscreen content optimization */
[data-animate]:not(.animate-in) {
  content-visibility: auto;
}

/* Critical rendering path optimization */
.hero {
  contain: layout style;
}

/* Reduce repaints */
.portfolio-track {
  contain: layout style paint;
}

/* Optimize gradients */
.hero::before {
  will-change: transform;
  transform: translateZ(0);
}

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

/* Optimize fixed elements */
.whatsapp-float,
#back-to-top {
  will-change: transform, opacity;
  contain: layout style paint;
}

/* Mobile performance */
@media (max-width: 768px) {
  /* Reduce complexity on mobile */
  .hero::before {
    display: none;
  }
  
  /* Simpler shadows on mobile */
  .card,
  .service {
    box-shadow: var(--shadow-sm);
  }
  
  .card:active,
  .service:active {
    box-shadow: var(--shadow-md);
  }
  
  /* Reduce backdrop filter complexity */
  .site-header {
    backdrop-filter: blur(10px);
  }
}

/* Network-aware loading */
@media (prefers-reduced-data: reduce) {
  /* Disable animations on slow connections */
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  
  /* Simplified styling */
  .hero::before {
    display: none;
  }
  
  .site-header {
    backdrop-filter: none;
    background: var(--bg);
  }
}