:root {
      --bs-primary: #2563eb;
      --bs-secondary: #10b981;
      --bs-light: #f8fafc;
      --bs-dark: #1e293b;
      --bs-gray-100: #f1f5f9;
      --bs-gray-200: #e2e8f0;
      --bs-gray-300: #cbd5e1;
      --bs-gray-600: #475569;
      --bs-gray-700: #334155;
      --bs-gray-800: #1e293b;
      --font-sans: 'Inter', sans-serif;
    }
    
    body {
      font-family: var(--font-sans);
      background-color:#eef4ff;
      color: var(--bs-dark);
      
    }
    
    .container-main { 
      width: 100%; 
      max-width: 1600px; 
      margin: 0 auto; 
      padding: 0 1rem; 
    }
    
    .card-shadow { 
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
      border: none; 
    }
    
    /* Logo styles */
    .logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      color: var(--bs-dark);
      font-weight: 700;
      font-size: 1.5rem;
      transition: opacity 0.2s;
    }
    
    .logo:hover {
      opacity: 0.8;
      text-decoration: none;
      color: var(--bs-dark);
    }
    
    .logo img {
      max-height: 40px;
      width: auto;
      object-fit: contain;
    }
    
    /* Main Navigation */
    .navbar-main {
      background-color: #0a3761 !important;
      padding: 0.75rem 0;
    }
    
    .navbar-main .navbar-brand {
      color: #fff !important;
      font-weight: 700;
      font-size: 1.5rem;
    }
    
    .navbar-main .nav-link {
      color: rgba(255,255,255,0.9) !important;
      font-weight: 500;
      padding: 0.5rem 1rem !important;
      border-radius: 0.375rem;
      transition: all 0.2s;
    }
    
    .navbar-main .nav-link:hover,
    .navbar-main .nav-link.active {
      color: #fff !important;
      background-color: rgba(255,255,255,0.1);
    }
    
    .navbar-main .dropdown-menu {
      background-color: #fff;
      border: none;
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      border-radius: 0.5rem;
      margin-top: 0.5rem;
    }
    
    .navbar-main .dropdown-item {
      color: var(--bs-gray-700);
      padding: 0.75rem 1.25rem;
      font-weight: 500;
    }
    
    .navbar-main .dropdown-item:hover {
      background-color: var(--bs-gray-100);
      color: var(--bs-primary);
    }
    
    /* Search Form in Header */
    .search-form {
      position: relative;
      max-width: 500px;
      width: 100%;
    }
    
    .search-form .form-control {
      border: none;
      border-radius: 25px;
      padding: 0.75rem 3rem 0.75rem 1rem;
      font-size: 0.95rem;
      box-shadow: 0 2px 8px rgba(0,0,0,0.15);
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(10px);
    }
    
    .search-form .form-control:focus {
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      background: #fff;
      outline: 2px solid var(--bs-primary);
      outline-offset: 2px;
    }
    
    .search-form .btn {
      position: absolute;
      right: 3px;
      top: 3px;
      bottom: 3px;
      border-radius: 22px;
      padding: 0 1.25rem;
      border: none;
      background: var(--bs-secondary);
      color: white;
      font-weight: 600;
      font-size: 0.9rem;
    }
    
    .search-form .btn:hover {
      background: #059669;
      transform: translateY(-1px);
    }
    
    /* Header layout improvements */
    .navbar-main .container-main {
      padding: 0 1rem;
    }
    
    .navbar-brand {
      min-width: 180px;
      flex-shrink: 0;
      margin-bottom: 0 !important;
    }
    
    .search-wrapper {
      flex-grow: 1;
      max-width: 500px;
      margin: 0 2rem;
    }
    
    .nav-links-wrapper {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-shrink: 0;
    }
    
    .nav-link-item {
      white-space: nowrap;
    }
    
    @media (max-width: 1200px) {
      .search-wrapper {
        margin: 0 1rem;
        max-width: 400px;
      }
      
      .nav-link-item span {
        display: none;
      }
    }
    
    /* Advanced responsive design */
    @media (max-width: 992px) {
      .navbar-main .container-main {
        flex-wrap: wrap;
      }
      
      .search-wrapper {
        order: 3;
        width: 100%;
        margin: 1rem 0 0 0;
        max-width: none;
      }
      
      .navbar-toggler {
        order: 2;
      }
    }
    
    @media (min-width: 1400px) {
      .search-wrapper {
        max-width: 600px;
        margin: 0 3rem;
      }
    }
    
    /* Categories Bar */
    .categories-bar {
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    
    .categories-bar a:hover {
      color: var(--bs-primary) !important;
    }
    
    /* Header improvements */
    .header-fixed {
      box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    }
    
    .navbar-main {
      padding: 0.75rem 0;
    }
    
    /* Mobile improvements */
    @media (max-width: 768px) {
      .navbar-brand span {
        font-size: 1.1rem;
      }
      
      .mobile-search-bar {
        padding: 0.75rem 0;
      }
    }
    
    /* Mobile Menu Toggle Styling - Custom Animated */
    .navbar-toggler-custom {
      border: none !important;
      padding: 0.5rem;
      background: transparent !important;
      box-shadow: none !important;
      order: -1 !important;
      width: 40px;
      height: 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    
    .navbar-toggler-custom:focus {
      box-shadow: none !important;
      outline: none !important;
    }
    
    .navbar-toggler-custom:hover {
      transform: scale(1.05);
    }
    
    .hamburger-line {
      display: block;
      width: 20px;
      height: 2px;
      background-color: #fff;
      margin: 2px 0;
      transition: all 0.3s cubic-bezier(0.68, -0.6, 0.32, 1.6);
      transform-origin: center;
      border-radius: 1px;
    }
    
    /* Animated States */
    .navbar-toggler-custom.active .hamburger-line:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }
    
    .navbar-toggler-custom.active .hamburger-line:nth-child(2) {
      opacity: 0;
      transform: scaleX(0);
    }
    
    .navbar-toggler-custom.active .hamburger-line:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }
    
    /* Hover effects */
    .navbar-toggler-custom:hover .hamburger-line {
      background-color: #e2e8f0;
      box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
    
    .navbar-toggler-custom.active:hover .hamburger-line {
      background-color: #fbbf24;
    }
    
    /* Footer */
    footer {
      background: linear-gradient(135deg, var(--bs-gray-800) 0%, var(--bs-gray-700) 100%);
      color: #e2e8f0;
      margin-top: 4rem;
    }
    
    footer h6 {
      font-weight: 600;
      color: #fff;
      margin-bottom: 1rem;
    }
    
    footer a {
      color: #cbd5e1;
      text-decoration: none;
      transition: color 0.2s;
    }
    
    footer a:hover {
      color: var(--bs-secondary);
    }
    
    footer p, footer li {
      color: #94a3b8;
    }
    
    /* Auth buttons */
    .auth-buttons .btn {
      border-radius: 50px;
      padding: 0.5rem 1.25rem;
      font-weight: 600;
      margin-left: 0.5rem;
    }
    
    .btn-outline-light {
      border-color: rgba(255,255,255,0.3);
      color: rgba(255,255,255,0.9);
    }
    
    .btn-outline-light:hover {
      background-color: rgba(255,255,255,0.1);
      border-color: rgba(255,255,255,0.5);
      color: #fff;
    }
    
    /* Smooth transitions */
    .search-form .form-control,
    .search-form .btn,
    .nav-link,
    .categories-bar a {
      transition: all 0.2s ease-in-out;
    }
    
    /* Mobile Menu Control */
    @media (min-width: 992px) {
      #navbarNav {
        display: none !important;
      }
    }
    
    @media (max-width: 991.98px) {
      #navbarNav {
        display: none;
      }
      
      #navbarNav.show {
        display: block !important;
      }
      
      #navbarNav.collapsing {
        display: block;
      }
    }
    
    /* Footer Section Backgrounds */
    .footer-section {
      padding: 1.5rem;
      border-radius: 0.75rem;
      margin-bottom: 1rem;
      transition: transform 0.2s ease-in-out;
    }
    
    .footer-section:hover {
      transform: translateY(-2px);
    }
    
    .footer-section-brand {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
      border: 1px solid rgba(37, 99, 235, 0.1);
    }
    
    .footer-section-categories {
      background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
      border: 1px solid rgba(16, 185, 129, 0.1);
    }
    
    .footer-section-services {
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(124, 58, 237, 0.05) 100%);
      border: 1px solid rgba(139, 92, 246, 0.1);
    }
    
    .footer-section-support {
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
      border: 1px solid rgba(245, 158, 11, 0.1);
    }
    
    .footer-section-newsletter {
      background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.05) 100%);
      border: 1px solid rgba(239, 68, 68, 0.1);
    }
    
    .footer-section h6 {
      position: relative;
      padding-bottom: 0.5rem;
    }
    
    .footer-section h6::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 30px;
      height: 2px;
      border-radius: 1px;
    }
    
    .footer-section-brand h6::after {
      background: var(--bs-primary);
    }
    
    .footer-section-categories h6::after {
      background: var(--bs-secondary);
    }
    
    .footer-section-services h6::after {
      background: #8b5cf6;
    }
    
    .footer-section-support h6::after {
      background: #f59e0b;
    }
    
    .footer-section-newsletter h6::after {
      background: #ef4444;
    }
    
    /* Footer responsive improvements */
    @media (max-width: 768px) {
      .footer-section {
        padding: 1rem;
        margin-bottom: 0.75rem;
      }
      
      .footer-section h6 {
        font-size: 1rem;
      }
      
      .footer-section p,
      .footer-section li {
        font-size: 0.9rem;
      }
    }
    
    /* Footer link hover effects */
    .footer-section a {
      transition: all 0.2s ease-in-out;
    }
    
    .footer-section-categories a:hover {
      color: var(--bs-secondary) !important;
      padding-left: 0.5rem;
    }
    
    .footer-section-services a:hover {
      color: #8b5cf6 !important;
      padding-left: 0.5rem;
    }
    
    .footer-section-support a:hover {
      color: #f59e0b !important;
      padding-left: 0.5rem;
    }
    
    /* Featured Sections */
    .featured-section {
      margin: 3rem 0;
    }
    
    .featured-section h2 {
      position: relative;
      margin-bottom: 2rem;
      font-weight: 600;
      color: var(--bs-dark);
    }
    
    .featured-section h2::after {
      content: '';
      position: absolute;
      bottom: -0.5rem;
      left: 0;
      width: 60px;
      height: 3px;
      border-radius: 2px;
    }
    
    
    
    
    
    
    /* Amazon offer card keyword highlight */
    .amazon-keyword-highlight {
      background-color: #eef4ff;
      color: #2563eb;
      padding: 0.125rem 0.25rem;
      border-radius: 0.25rem;
      font-weight: 700;
    }