/* Mobile-First Responsive Enhancements */

/* Extra small devices (phones, 375px and down) */
@media (max-width: 375px) {
  :root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 0.9rem;
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .glass-card {
    padding: var(--spacing-md);
  }
  
  .services-grid {
    gap: var(--spacing-md);
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767px) {
  .hero-container {
    padding: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: 3rem;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
    background-position: 0% 0;
  }
  
  .btn-primary:hover {
    background-position: 0% 0;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
  }
  
  .glass-card:hover {
    transform: none;
  }
  
  .nav-link:hover {
    transform: none;
  }
  
  /* Enhanced tap targets for touch */
  .btn {
    min-height: 48px;
    min-width: 48px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .btn-sm {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  /* Touch feedback */
  .btn:active {
    transform: scale(0.95);
    opacity: 0.9;
  }
  
  .nav-link {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .mobile-menu-toggle {
    min-height: 44px;
    min-width: 44px;
  }
}

/* High-density displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-element {
    animation: none;
  }
  
  body::before {
    animation: none;
  }
  
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Dark mode preference */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-light: #cbd5e0;
  }
}

/* Landscape orientation on mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .hero-section {
    min-height: 80vh;
    padding: var(--spacing-lg);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* Print styles */
@media print {
  .modern-nav,
  .mobile-menu,
  .floating-elements,
  .hero-actions {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .glass-card {
    background: white !important;
    border: 1px solid #ccc !important;
    backdrop-filter: none !important;
  }
  
  .hero-title,
  .section-title,
  .service-title {
    color: black !important;
  }
}

/* Focus management for accessibility */
.focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Keyboard navigation enhancements */
.nav-link:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Notification styles */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--spacing-md);
  background: var(--glass);
  backdrop-filter: var(--blur-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  border-color: var(--success);
}

.notification.error {
  border-color: var(--error);
}

.notification.warning {
  border-color: var(--warning);
}

/* Form enhancements */
input:focus,
textarea:focus,
select:focus {
  outline: none;
  ring: 2px;
  ring-color: var(--accent);
  ring-opacity: 0.5;
}

/* Scroll indicators */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transform-origin: left;
  z-index: 1001;
}

/* Performance optimizations */
.hero-image,
.glass-card,
.floating-element,
.modern-nav {
  will-change: transform;
}

/* Smooth scrolling optimizations */
html {
  scroll-behavior: smooth;
}

/* Reduce motion for better performance */
@media (prefers-reduced-motion: no-preference) {
  .floating-element {
    animation: float 8s ease-in-out infinite;
  }
}

/* Force GPU acceleration for smooth animations */
.animate-on-scroll,
.glass-card,
.btn,
.floating-element {
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Container queries support (future-proofing) */
@supports (container-type: inline-size) {
  .responsive-container {
    container-type: inline-size;
  }
  
  @container (min-width: 400px) {
    .service-card {
      padding: var(--spacing-xl);
    }
  }
}

/* Modern CSS Grid enhancements */
@supports (display: grid) {
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
    gap: var(--spacing-xl);
  }
}

/* Backdrop filter fallback */
@supports not (backdrop-filter: blur()) {
  .glass,
  .glass-strong,
  .glass-subtle,
  .glass-card {
    background: rgba(255, 255, 255, 0.9);
  }
  
  .modern-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
  }
}