/* Additional Modern Enhancements and Fixes */

/* Ensure compatibility with all browsers */
.modern-header,
.modern-hero,
.modern-section,
.modern-footer {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Button Hover Effects */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Enhanced Card Animations */
.modern-service-card,
.modern-feature-card,
.modern-product-card {
  transform: translateY(0);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-service-card:hover,
.modern-feature-card:hover,
.modern-product-card:hover {
  transform: translateY(-8px);
}

/* Improved Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-800);
}

p {
  line-height: 1.7;
  color: var(--gray-600);
}

/* Enhanced Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced Focus States for Accessibility */
.btn:focus,
.modern-nav-link:focus,
.modern-social-icon:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Better Image Loading */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.lazy-image {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lazy-image.loaded {
  opacity: 1;
}

/* Enhanced Mobile Menu */
@media (max-width: 768px) {
  .modern-nav-links {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .modern-nav-link {
    font-size: 18px;
    padding: 16px 0;
    text-align: center;
    border-bottom: 1px solid var(--gray-100);
  }
  
  .modern-nav-link:last-child {
    border-bottom: none;
  }
}

/* Smooth Scrolling Enhancement */
html {
  scroll-behavior: smooth;
}

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

/* Enhanced Shadow System */
.shadow-soft {
  box-shadow: 0 2px 15px -3px rgba(0, 0, 0, 0.07), 0 10px 20px -2px rgba(0, 0, 0, 0.04);
}

.shadow-strong {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Better Background Patterns */
.pattern-dots {
  background-image: radial-gradient(circle, var(--gray-300) 1px, transparent 1px);
  background-size: 20px 20px;
}

.pattern-grid {
  background-image: 
    linear-gradient(var(--gray-200) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Enhanced Gradient Text */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Better Form Styles */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: var(--text-base);
  transition: all var(--transition);
  background: var(--white);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input:invalid {
  border-color: var(--error);
}

/* Enhanced Social Icons */
.modern-social-icon {
  position: relative;
  overflow: hidden;
}

.modern-social-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary);
  transform: scale(0);
  border-radius: inherit;
  transition: transform 0.3s ease;
}

.modern-social-icon:hover::before {
  transform: scale(1);
}

.modern-social-icon img {
  position: relative;
  z-index: 1;
  transition: filter 0.3s ease;
}

/* Performance Optimizations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* Dark Mode Enhancements */
@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #18181b;
    --gray-100: #27272a;
    --gray-200: #3f3f46;
    --gray-300: #52525b;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #d4d4d8;
    --gray-700: #e4e4e7;
    --gray-800: #f4f4f5;
    --gray-900: #fafafa;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid var(--white);
  }
  
  .modern-nav-link:hover,
  .modern-nav-link:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
  }
}

/* Print Styles */
@media print {
  .modern-header,
  .mobile-menu-toggle,
  .btn,
  .modern-social-icons,
  .notification {
    display: none !important;
  }
  
  .modern-hero {
    background: none !important;
    color: var(--black) !important;
  }
  
  .modern-section {
    break-inside: avoid;
  }
  
  * {
    background: transparent !important;
    color: var(--black) !important;
    box-shadow: none !important;
  }
}

/* Additional Utility Classes */
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.pointer-events-none { pointer-events: none; }

.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Enhanced Animation Classes */
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: none;
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

/* Scroll Snap for Better UX */
.scroll-snap-y {
  scroll-snap-type: y mandatory;
}

.scroll-snap-start {
  scroll-snap-align: start;
}

.scroll-snap-center {
  scroll-snap-align: center;
}

/* Better Text Selection */
::selection {
  background-color: rgba(30, 64, 175, 0.3);
  color: var(--gray-800);
}

::-moz-selection {
  background-color: rgba(30, 64, 175, 0.3);
  color: var(--gray-800);
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Better Focus Ring */
.focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}