/* Performance-optimized CSS */

/* Critical CSS - Load immediately */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}

/* Optimized animations with GPU acceleration */
.animate-fadeInUp {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  will-change: opacity, transform;
}

.animate-fadeInDown {
  animation: fadeInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  will-change: opacity, transform;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  will-change: opacity, transform;
}

.animate-fadeInRight {
  animation: fadeInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  will-change: opacity, transform;
}

.animate-scaleIn {
  animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  will-change: opacity, transform;
}

/* Optimized keyframes with transform3d for GPU acceleration */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(30px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* Performance-optimized hover effects */
.hover-lift {
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.hover-lift:hover {
  transform: translate3d(0, -2px, 0);
}

.hover-scale {
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.hover-scale:hover {
  transform: translate3d(0, 0, 0) scale(1.02);
}

/* Optimized image loading */
.image-loading {
  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 */
.aspect-ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.aspect-ratio-1-1 {
  aspect-ratio: 1 / 1;
}

/* Optimized scrolling */
.smooth-scroll {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Performance-optimized transitions */
.transition-fast {
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-normal {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-slow {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Optimized focus states */
.focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .mobile-optimize {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  /* Improve touch targets */
  button, a, input, select, textarea {
    min-height: 44px;
    min-width: 44px;
  }
}

/* Critical loading states */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* Optimized container queries */
@container (min-width: 768px) {
  .container-responsive {
    padding: 2rem;
  }
}

/* Performance-optimized grid */
.grid-optimized {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Optimized flexbox */
.flex-optimized {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Critical above-the-fold styles */
.hero-section {
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Optimized text rendering */
.text-optimized {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Performance-optimized shadows */
.shadow-optimized {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-lg-optimized {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}