/* =========================================
           1. GLOBAL DESIGN SYSTEM (BRAND COLORS)
           ========================================= */
  :root {
      --primary: #0044CC;
      /* Tech Blue */
      --primary-dark: #003399;
      --secondary: #FF9900;
      /* Action Orange */
      --secondary-hover: #e68900;
      --dark: #1a1a1a;
      --light-bg: #f4f7f6;
      --white: #ffffff;
      --grey: #777;
      --grey-light: #e2e8f0;
      --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
      --success: #10b981;
  }

  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', sans-serif;
      scroll-behavior: smooth;
  }

  body {
      color: var(--dark);
      background-color: var(--white);
      line-height: 1.6;
      overflow-x: hidden;
  }

  a {
      text-decoration: none;
      color: inherit;
  }

  ul {
      list-style: none;
  }

  img {
      max-width: 100%;
      height: auto;
      display: block;
  }

  /* =========================================
           2. UTILITIES & COMPONENTS
           ========================================= */
  .section-padding {
      padding: 5rem 5%;
  }

  .section-header {
      text-align: center;
      margin-bottom: 3rem;
  }

  .section-header h2 {
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 0.5rem;
      font-weight: 800;
  }

  .section-header p {
      color: var(--grey);
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto;
  }

  .btn {
      display: inline-block;
      padding: 0.8rem 1.8rem;
      border-radius: 5px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.3s ease;
      border: none;
      text-align: center;
  }

  .btn-primary {
      background: var(--primary);
      color: var(--white);
  }

  .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-3px);
      box-shadow: var(--shadow);
  }

  .btn-secondary {
      background: var(--secondary);
      color: var(--white);
  }

  .btn-secondary:hover {
      background: var(--secondary-hover);
      transform: translateY(-3px);
      box-shadow: var(--shadow);
  }

  .btn-outline {
      border: 2px solid var(--primary);
      color: var(--primary);
      background: transparent;
  }

  .btn-outline:hover {
      background: var(--primary);
      color: var(--white);
      transform: translateY(-3px);
  }

  .btn-outline-white {
      border: 2px solid var(--white);
      color: var(--white);
      background: transparent;
  }

  .btn-outline-white:hover {
      background: var(--white);
      color: var(--primary);
      transform: translateY(-3px);
  }

  .card {
      background: var(--white);
      border-radius: 10px;
      padding: 2rem;
      box-shadow: var(--shadow);
      border: 1px solid #eee;
      transition: 0.3s;
  }

  .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
  }

  /* =========================================
           3. HEADER & NAVIGATION
           ========================================= */
  header {
      background: var(--white);
      box-shadow: var(--shadow);
      position: sticky;
      top: 0;
      z-index: 1000;
  }

  nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 5%;
  }

  .logo {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
  }

  .logo span {
      color: var(--secondary);
  }

  .nav-links {
      display: flex;
      gap: 2rem;
      align-items: center;
  }

  .nav-links a {
      color: var(--dark);
      font-weight: 600;
      transition: 0.3s;
  }

  .nav-links a:hover {
      color: var(--primary);
  }

  .cta-btn-nav {
      background: var(--primary);
      color: white !important;
      padding: 0.5rem 1.2rem;
      border-radius: 5px;
  }

  .menu-toggle {
      display: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--primary);
  }

  /* =========================================
           4. FOOTER
           ========================================= */
  footer {
      background: var(--dark);
      color: white;
      padding: 4rem 5% 2rem;
  }

  .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 3rem;
      margin-bottom: 3rem;
      text-align: left;
  }

  .footer-col h3,
  .footer-col h4 {
      color: var(--secondary);
      margin-bottom: 1.5rem;
  }

  .footer-col p {
      color: #cbd5e1;
      line-height: 1.8;
  }

  .footer-links li {
      margin-bottom: 0.8rem;
  }

  .footer-links a {
      color: #cbd5e1;
      transition: 0.3s;
  }

  .footer-links a:hover {
      color: var(--secondary);
      padding-left: 5px;
  }

  .footer-bottom {
      border-top: 1px solid #333;
      padding-top: 2rem;
      text-align: center;
      color: #94a3b8;
  }

  .social-links {
      display: flex;
      gap: 1rem;
      margin-top: 1rem;
  }

  .social-links a {
      color: white;
      font-size: 1.5rem;
      transition: 0.3s;
  }

  .social-links a:hover {
      color: var(--secondary);
  }

  .whatsapp-float {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background-color: #25d366;
      color: white;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 30px;
      box-shadow: 2px 5px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: 0.3s;
  }

  .whatsapp-float:hover {
      transform: scale(1.1);
  }

  /* =========================================
           5. PRODUCTS PAGE SPECIFIC STYLES
           ========================================= */

  /* Hero Section - Enhanced */
  .page-hero {
      background: linear-gradient(135deg, rgba(0, 68, 204, 0.95), rgba(0, 51, 153, 0.9)),
          url('https://images.unsplash.com/photo-1547700547-d5d11f71a938?ixlib=rb-4.0.3&auto=format&fit=crop&w=1470&q=80');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      padding: 10rem 5%;
      text-align: center;
      color: white;
  }

  .page-hero h1 {
      font-size: 3.5rem;
      color: white;
      margin-bottom: 1rem;
      font-weight: 800;
      line-height: 1.2;
  }

  .page-hero p {
      color: rgba(255, 255, 255, 0.95);
      max-width: 700px;
      margin: 0 auto 2rem;
      font-size: 1.3rem;
  }

  .hero-buttons {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
  }

  .trust-badges {
      display: flex;
      justify-content: center;
      gap: 2rem;
      margin-top: 3rem;
      flex-wrap: wrap;
  }

  .trust-badge {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: rgba(255, 255, 255, 0.9);
      font-size: 0.95rem;
  }

  .trust-badge i {
      color: var(--secondary);
      font-size: 1.2rem;
  }

  /* Why Buy From Us Section */
  .why-us-section {
      background: var(--light-bg);
  }

  .why-us-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
  }

  .why-us-card {
      background: var(--white);
      padding: 2rem;
      border-radius: 10px;
      text-align: center;
      border-top: 4px solid var(--secondary);
      transition: 0.3s;
  }

  .why-us-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
  }

  .why-icon {
      width: 70px;
      height: 70px;
      background: rgba(0, 68, 204, 0.1);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin: 0 auto 1.5rem;
      transition: 0.3s;
  }

  .why-us-card:hover .why-icon {
      background: var(--primary);
      color: white;
      transform: rotateY(360deg);
  }

  .why-us-card h3 {
      color: var(--dark);
      margin-bottom: 0.5rem;
  }

  .why-us-card p {
      color: var(--grey);
      font-size: 0.95rem;
  }

  /* Filter Controls */
  .filter-controls {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      justify-content: center;
      margin-bottom: 3rem;
  }

  .filter-group {
      position: relative;
  }

  .filter-group select {
      padding: 0.7rem 1.2rem;
      border: 1px solid var(--grey-light);
      border-radius: 5px;
      background: var(--white);
      color: var(--dark);
      font-weight: 500;
      cursor: pointer;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%230044CC%22%20d%3D%22M287%2C197.942L154.275%2C65.216c-3.13-3.124-8.197-3.124-11.327%2C0L5.3%2C197.942c-3.125%2C3.124-3.125%2C8.196%2C0%2C11.32L16.62%2C220.59c3.124%2C3.124%2C8.197%2C3.124%2C11.327%2C0l110.057-110.057l110.057%2C110.057c3.124%2C3.124%2C8.197%2C3.124%2C11.327%2C0l11.32-11.32c3.124-3.124%2C3.124-8.197%2C0-11.32z%22%2F%3E%3C%2Fsvg%3E');
      background-repeat: no-repeat;
      background-position: right 0.7em top 50%, 0 0;
      background-size: 0.65em auto, 100%;
      padding-right: 2.5em;
  }

  .filter-controls button {
      background: var(--primary);
      color: white;
      border: none;
      padding: 0.7rem 1.5rem;
      border-radius: 5px;
      font-weight: 600;
      cursor: pointer;
      transition: 0.3s;
  }

  .filter-controls button:hover {
      background: var(--primary-dark);
  }

  /* Product Grid */
  .product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
  }

  .product-card {
      background: var(--white);
      border: 1px solid var(--grey-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: 0.3s;
      position: relative;
  }

  .product-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
  }

  .product-badge {
      position: absolute;
      top: 15px;
      left: 15px;
      background: var(--secondary);
      color: white;
      padding: 0.3rem 0.8rem;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: bold;
      z-index: 10;
  }

  .product-img-container {
      height: 200px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f9f9f9;
  }

  .product-img {
      max-height: 180px;
      object-fit: contain;
  }

  .product-info {
      padding: 1.5rem;
  }

  .product-name {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 0.5rem;
  }

  .product-specs {
      font-size: 0.9rem;
      color: var(--grey);
      margin-bottom: 1rem;
      line-height: 1.4;
  }

  .product-price {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 1rem;
  }

  .stock-status {
      font-size: 0.85rem;
      color: var(--success);
      font-weight: 600;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.3rem;
  }

  .product-cta-buttons {
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
  }

  .product-cta-buttons .btn {
      width: 100%;
  }

  .no-products-message {
      text-align: center;
      padding: 3rem;
      background: var(--white);
      border-radius: 10px;
      margin-top: 3rem;
      border: 2px dashed var(--primary);
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
  }

  .no-products-message h3 {
      color: var(--primary);
      margin-bottom: 1rem;
      font-size: 1.5rem;
  }

  .no-products-message p {
      color: var(--grey);
      margin-bottom: 1.5rem;
  }

  /* Can't Find Section - Enhanced */
  .cant-find-section {
      background: linear-gradient(135deg, var(--light-bg), var(--white));
      text-align: center;
  }

  .cant-find-box {
      background: var(--white);
      padding: 3rem;
      border-radius: 10px;
      box-shadow: var(--shadow-lg);
      max-width: 800px;
      margin: 0 auto;
      border: 1px solid var(--grey-light);
  }

  .cant-find-box h2 {
      color: var(--primary);
      margin-bottom: 1rem;
  }

  .cant-find-box p {
      color: var(--grey);
      margin-bottom: 2rem;
      font-size: 1.1rem;
  }

  .contact-options {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
  }

  /* CTA Section */
  .cta-section {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: white;
      text-align: center;
  }

  .cta-section h2 {
      color: white;
  }

  .cta-section p {
      color: rgba(255, 255, 255, 0.9);
  }

  /* =========================================
           6. ANIMATIONS
           ========================================= */
  .animate-on-scroll {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
  }

  .animate-on-scroll.visible {
      opacity: 1;
      transform: translateY(0);
  }

  @keyframes fadeIn {
      from {
          opacity: 0;
          transform: translateY(20px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  .fade-in {
      animation: fadeIn 1s ease forwards;
  }

  /* Hide items when filtering */
  .product-card.hidden {
      display: none;
  }

  /* =========================================
           7. RESPONSIVE MEDIA QUERIES
           ========================================= */
  @media (max-width: 768px) {
      .menu-toggle {
          display: block;
      }

      .nav-links {
          display: none;
          position: absolute;
          top: 100%;
          left: 0;
          width: 100%;
          background: var(--white);
          flex-direction: column;
          padding: 2rem;
          box-shadow: var(--shadow);
          gap: 1.5rem;
          text-align: center;
      }

      .nav-links.active {
          display: flex;
      }

      .page-hero h1 {
          font-size: 2.2rem;
      }

      .page-hero p {
          font-size: 1rem;
      }

      .trust-badges {
          gap: 1rem;
      }

      .trust-badge {
          font-size: 0.85rem;
      }

      .filter-controls {
          flex-direction: column;
      }

      .filter-group select,
      .filter-controls button {
          width: 100%;
      }

      .contact-options {
          flex-direction: column;
      }

      .contact-options .btn {
          width: 100%;
      }
  }