/* =========================================
           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);
  }

  * {
      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. FAQ PAGE SPECIFIC STYLES
           ========================================= */

  /* Hero Section */
  .page-hero {
      background: linear-gradient(135deg, rgba(0, 68, 204, 0.9), rgba(0, 51, 153, 0.85)),
          url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?ixlib=rb-4.0.3&auto=format&fit=crop&w=1470&q=80');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      padding: 8rem 5%;
      text-align: center;
      color: white;
  }

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

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

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

  .filter-btn {
      padding: 0.6rem 1.5rem;
      border-radius: 50px;
      border: 2px solid var(--grey-light);
      background: var(--white);
      color: var(--grey);
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
  }

  .filter-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
  }

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

  /* FAQ Grid */
  .faq-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
  }

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

  .faq-item:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
  }

  .faq-question {
      padding: 1.5rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      color: var(--dark);
      background: var(--white);
      transition: 0.3s;
  }

  .faq-question:hover {
      color: var(--primary);
      background: var(--light-bg);
  }

  .faq-question i {
      transition: 0.3s;
      color: var(--secondary);
  }

  .faq-item.active .faq-question i {
      transform: rotate(180deg);
  }

  .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      background: var(--light-bg);
      padding: 0 1.5rem;
      color: var(--grey);
      font-size: 0.95rem;
  }

  .faq-item.active .faq-answer {
      max-height: 300px;
      /* Adjust based on content */
      padding: 1.5rem;
      border-top: 1px solid var(--grey-light);
  }

  .faq-category {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--secondary);
      font-weight: 700;
      margin-bottom: 0.5rem;
      display: block;
  }

  /* 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 */
  .faq-item.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: 2.5rem;
      }

      .page-hero p {
          font-size: 1.1rem;
      }

      .faq-grid {
          grid-template-columns: 1fr;
      }

      .filter-btn {
          width: 100%;
      }
  }