/* Mobile-specific optimizations and touch enhancements */

/* Horizontal navigation mobile fixes */
@media (max-width: 768px) {
  .top-nav-list {
    flex-wrap: wrap !important;
    justify-content: center !important;
    overflow-x: visible !important;
    -webkit-overflow-scrolling: auto !important;
  }
  
  .top-nav-link {
    flex-shrink: 0;
    white-space: nowrap;
    text-align: center;
  }
  
  .top-nav.hidden {
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .top-nav-list {
    gap: 4px !important;
    padding: 0 8px !important;
  }
  
  .top-nav-link {
    font-size: 0.8rem !important;
    padding: 2px 0 !important;
    min-width: auto;
    min-height: 28px !important;
  }
}

/* Touch-friendly button and link sizing */
@media (hover: none) and (pointer: coarse) {
  /* Ensure minimum touch target size of 44px for desktop, smaller for mobile */
  button, 
  .btn, 
  .menu-btn, 
  .dark-toggle, 
  .search-btn,
  .top-nav-link,
  .intelligence-link,
  .card a {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Mobile-specific touch targets */
  @media (max-width: 768px) {
    .menu-btn,
    .search-icon-btn,
    .user-account-btn,
    .sign-in-icon {
      min-height: 40px;
      min-width: 40px;
    }
  }
  
  @media (max-width: 640px) {
    .menu-btn,
    .search-icon-btn,
    .user-account-btn,
    .sign-in-icon {
      min-height: 36px;
      min-width: 36px;
    }
  }
  
  @media (max-width: 480px) {
    .menu-btn,
    .search-icon-btn,
    .user-account-btn,
    .sign-in-icon {
      min-height: 32px;
      min-width: 32px;
    }
  }
  
  /* Touch feedback for interactive elements */
  .card:active,
  .btn:active,
  .menu-btn:active,
  .dark-toggle:active,
  .search-btn:active,
  .top-nav-link:active,
  .intelligence-link:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
  }
  
  /* Remove hover effects on touch devices */
  .card:hover,
  .btn:hover,
  .menu-btn:hover,
  .dark-toggle:hover,
  .search-btn:hover,
  .top-nav-link:hover,
  .intelligence-link:hover {
    transform: none;
  }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
  /* Prevent zoom on input focus */
  input[type="text"],
  input[type="search"],
  input[type="email"],
  textarea,
  select {
    font-size: 16px;
  }
  
  /* Fix iOS Safari viewport issues */
  .site-body {
    -webkit-overflow-scrolling: touch;
  }
  
  /* Prevent iOS Safari bounce */
  body {
    position: fixed;
    overflow: hidden;
    width: 100%;
    height: 100%;
  }
  
  .site-body {
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
  }
}

/* Android Chrome specific optimizations */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  /* Smooth scrolling */
  .site-body {
    scroll-behavior: smooth;
  }
  
  /* Better text rendering */
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .logo,
  .header-tagline,
  .card-img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Landscape orientation optimizations */
@media (max-width: 768px) and (orientation: landscape) {
  .brand {
    padding: 0.5rem;
    gap: 4px;
  }
  
  .brand-left {
    gap: 6px;
  }
  
  .logo {
    height: 35px;
  }
  
  .header-tagline {
    height: 0.8rem;
  }
  
  .menu-btn {
    padding: 4px 6px;
    min-height: 32px;
    min-width: 32px;
  }
  
  .header-controls {
    gap: 4px;
  }
  
  .search-icon-btn,
  .user-account-btn,
  .sign-in-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    padding: 4px;
  }
  
  .top-nav-link {
    padding: 8px 0;
    font-size: 0.9rem;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 8px;
  }
}

/* Tablet optimizations (iPad, Android tablets) */
@media (min-width: 768px) and (max-width: 1024px) {
  .brand {
    padding: 1rem 2rem;
    gap: 12px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .brand-left {
    gap: 16px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
  }
  
  .logo {
    height: 70px;
    width: auto;
    flex-shrink: 0;
  }
  
  .header-tagline {
    height: 1rem;
    width: auto;
    flex-shrink: 0;
    margin-left: 10px;
  }
  
  .header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    justify-content: flex-end;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
  
  .card-excerpt {
    font-size: 1rem;
  }
  
  /* Touch-friendly for tablets */
  .menu-btn,
  .search-icon-btn,
  .user-account-btn,
  .sign-in-icon {
    min-height: 48px;
    min-width: 48px;
    padding: 12px;
    width: 48px;
    height: 48px;
  }
  
  .dark-toggle,
  .search-btn,
  .top-nav-link,
  .intelligence-link {
    min-height: 48px;
    padding: 12px 16px;
  }
}

/* Large tablet and small desktop */
@media (min-width: 1024px) and (max-width: 1200px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem;
  }
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
  /* Reduce animations on mobile for better performance */
  * {
    animation-duration: 0.2s !important;
    transition-duration: 0.2s !important;
  }
  
  /* Optimize scrolling performance */
  .site-body {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }
  
  /* Reduce shadow complexity on mobile */
  .card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }
  
  .card:active {
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  }
}

/* Accessibility improvements for mobile */
@media (max-width: 768px) {
  /* Ensure sufficient color contrast */
  .card-title a,
  .card-body h3 a {
    color: var(--text, #000);
    text-decoration: none;
  }
  
  .card-title a:focus,
  .card-body h3 a:focus {
    outline: 2px solid var(--accent, #007cba);
    outline-offset: 2px;
  }
  
  /* Improve focus visibility */
  .menu-btn:focus,
  .dark-toggle:focus,
  .search-btn:focus,
  .top-nav-link:focus,
  .intelligence-link:focus {
    outline: 2px solid var(--accent, #007cba);
    outline-offset: 2px;
  }
}

/* Print optimizations */
@media print {
  .site-header,
  .top-nav,
  .features-menu-column,
  .dark-toggle,
  .search-form {
    display: none !important;
  }
  
  .site-body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .card-title {
    color: black !important;
  }
  
  .card-excerpt {
    color: #666 !important;
  }
}