/* ===================================
   Responsive Design
   =================================== */

/* ===================================
   Breakpoint Mixins/Approach
   =================================== */

/* Mobile First Approach - Base styles are mobile */

/* Small Devices (up to 639px) - Base styles already applied */

/* Medium Devices (640px and up) */
@media (min-width: 640px) {
  /* Container adjustments */
  .container {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }

  /* Typography scaling */
  .hero-title {
    font-size: var(--text-5xl);
  }

  /* Navigation improvements */
  .nav-container {
    padding: 0 var(--spacing-xl);
  }

  /* Grid improvements */
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .loading-placeholder {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Hero section */
  .hero-actions {
    justify-content: flex-start;
  }

  /* Search filter */
  .search-filter {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-lg);
  }

  /* Contact section */
  .contact-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
  }

  /* Features grid */
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }

  /* Footer */
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
}

/* Large Devices (768px and up) */
@media (min-width: 768px) {
  /* Navigation menu becomes visible */
  .nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
  }

  .mobile-menu-toggle {
    display: none;
  }

  /* Typography scaling */
  .hero-description {
    font-size: var(--text-xl);
  }

  .section-title {
    font-size: var(--text-4xl);
  }

  /* Hero content alignment */
  .hero-content {
    text-align: left;
  }

  /* Container improvements */
  .container {
    padding-left: var(--spacing-2xl);
    padding-right: var(--spacing-2xl);
  }

  /* Navigation improvements */
  .nav-container {
    padding: 0 var(--spacing-2xl);
  }

  /* Hero image improvements */
  .hero-img {
    max-width: 600px;
  }

  /* Category grid */
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
  }

  /* Products grid */
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }

  .loading-placeholder {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Button improvements */
  .btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-lg);
    min-height: 56px;
  }

  /* Form improvements */
  .form-group input,
  .form-group textarea {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--text-lg);
  }

  /* Feature icons */
  .feature-icon {
    width: 100px;
    height: 100px;
  }
}

/* Extra Large Devices (1024px and up) */
@media (min-width: 1024px) {
  /* Hero section improvements */
  .hero .container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
  }

  .hero-title {
    font-size: var(--text-6xl);
  }

  /* Container improvements */
  .container {
    padding-left: var(--spacing-3xl);
    padding-right: var(--spacing-3xl);
  }

  /* Navigation improvements */
  .nav-container {
    padding: 0 var(--spacing-3xl);
  }

  /* Products grid improvements */
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }

  .loading-placeholder {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Category grid */
  .category-grid {
    gap: var(--spacing-2xl);
  }

  /* Features grid */
  .features-grid {
    gap: var(--spacing-2xl);
  }

  /* Hero image */
  .hero-img {
    max-width: 700px;
  }

  /* Contact form */
  .contact-form {
    padding: var(--spacing-3xl);
  }
}

/* 2XL Devices (1280px and up) */
@media (min-width: 1280px) {
  /* Products grid - 4 columns on very large screens */
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .loading-placeholder {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Container improvements */
  .container {
    max-width: var(--container-xl);
    padding-left: var(--spacing-4xl);
    padding-right: var(--spacing-4xl);
  }

  /* Navigation improvements */
  .nav-container {
    padding: 0 var(--spacing-4xl);
  }

  /* Hero image */
  .hero-img {
    max-width: 800px;
  }
}

/* ===================================
   Mobile Specific Optimizations
   =================================== */

/* Small screens only (max-width: 639px) */
@media (max-width: 639px) {
  /* Navigation adjustments */
  .nav-container {
    padding: 0 var(--spacing-lg);
    height: 64px;
  }

  .logo-text {
    font-size: var(--text-base);
  }

  .logo-img {
    width: 28px;
    height: 28px;
  }

  /* Hero section mobile */
  .hero {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  }

  .hero-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-lg);
  }

  .hero-description {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-2xl);
  }

  .hero-actions {
    gap: var(--spacing-md);
  }

  .hero-img {
    max-width: 100%;
    max-height: 300px;
    object-fit: cover;
  }

  /* Section spacing mobile */
  .section-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-2xl);
  }

  /* Category cards mobile */
  .category-card {
    padding: var(--spacing-lg);
  }

  .category-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
  }

  .category-title {
    font-size: var(--text-lg);
  }

  .category-description {
    font-size: var(--text-sm);
  }

  /* Search filter mobile */
  .search-filter {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }

  .filter-controls {
    width: 100%;
    justify-content: space-between;
  }

  .filter-select {
    flex: 1;
    min-width: 120px;
  }

  /* Products mobile */
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .loading-placeholder {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* Contact mobile */
  .contact-form {
    padding: var(--spacing-lg);
  }

  /* Footer mobile */
  .footer {
    padding: var(--spacing-3xl) 0 var(--spacing-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }

  .footer-section ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
  }

  /* Buttons mobile */
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--text-sm);
    min-height: 40px;
  }

  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-base);
    min-height: 48px;
  }
}

/* ===================================
   Touch Device Optimizations
   =================================== */

@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .cart-toggle {
    padding: var(--spacing-md);
    min-width: 44px;
    min-height: 44px;
  }

  .language-toggle {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  /* Remove hover effects for touch devices */
  .category-card:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }

  .nav-link:hover {
    background-color: transparent;
  }

  /* Active states for touch feedback */
  .category-card:active {
    transform: scale(0.98);
  }

  .btn:active {
    transform: scale(0.98);
  }
}

/* ===================================
   High DPI/Retina Display Optimizations
   =================================== */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Better image rendering for high DPI displays */
  img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }

  /* Sharper text */
  body {
    -webkit-font-smoothing: subpixel-antialiased;
  }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
  /* Hide unnecessary elements */
  .header,
  .nav,
  .cart-toggle,
  .language-selector,
  .mobile-menu-toggle,
  .cart-sidebar,
  .cart-overlay,
  .modal,
  .notification,
  .loading-screen,
  .search-filter,
  .load-more-container {
    display: none !important;
  }

  /* Print-friendly colors */
  body {
    background: white !important;
    color: black !important;
  }

  .hero {
    background: white !important;
  }

  /* Ensure content fits on page */
  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  /* Product cards */
  .product-card {
    break-inside: avoid;
    border: 1px solid #ccc !important;
    margin-bottom: 1rem !important;
  }

  /* Links */
  a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  a[href^="#"]::after {
    content: "";
  }
}

/* ===================================
   Reduced Motion
   =================================== */

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

  /* Loading spinner becomes static */
  .loading-spinner {
    animation: none;
    border-top-color: var(--primary-color);
  }
}

/* ===================================
   Dark Mode Support (Future)
   =================================== */

@media (prefers-color-scheme: dark) {
  /* These are base variables already defined in main.css */
  /* Add any dark mode specific overrides here */
  
  .header {
    background-color: rgba(17, 24, 39, 0.95);
    border-bottom-color: var(--border-primary);
  }

  .hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  }

  .skeleton-card::before {
    background: linear-gradient(
      90deg,
      transparent,
      rgba(59, 130, 246, 0.2),
      transparent
    );
  }
}

/* ===================================
   Landscape Orientation for Mobile
   =================================== */

@media (max-width: 1024px) and (orientation: landscape) {
  .hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }

  .hero-img {
    max-height: 300px;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===================================
   Small Device Height Optimizations
   =================================== */

@media (max-height: 600px) {
  .hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }

  .hero-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--spacing-md);
  }

  .hero-description {
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-lg);
  }

  .nav-container {
    height: 56px;
  }
}