/* Reset & Typography */
    :root {
      --primary: #6366f1;
      --primary-light: #818cf8;
      --secondary: #ec4899;
      --accent: #14b8a6;
      --dark: #0f172a;
      --gray-light: #f8fafc;
      --text: #334155;
      --border: #e2e8f0;
      --gradient-base: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
      --gradient-soft: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background-color: #fcfcfd;
      background-image: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.03) 0, transparent 50%),
                        radial-gradient(at 50% 0%, rgba(236, 72, 153, 0.03) 0, transparent 50%),
                        radial-gradient(at 100% 100%, rgba(20, 184, 166, 0.03) 0, transparent 50%);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    /* Container Utility */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }

    .logo-container {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      background: var(--gradient-base);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    nav {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    .nav-links {
      display: flex;
      gap: 20px;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text);
      transition: var(--transition);
      position: relative;
    }

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

    .nav-links a::after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: -4px;
      left: 0;
      background: var(--gradient-base);
      transition: var(--transition);
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-btn {
      background: var(--gradient-base);
      color: white !important;
      padding: 8px 18px;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
      transition: var(--transition);
    }

    .nav-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
    }

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

    /* Hero Section (No Images allowed) */
    .hero {
      padding: 100px 0 80px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: var(--primary);
      filter: blur(150px);
      opacity: 0.15;
      top: 10%;
      left: 10%;
      border-radius: 50%;
    }

    .hero::after {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: var(--secondary);
      filter: blur(150px);
      opacity: 0.15;
      bottom: 10%;
      right: 10%;
      border-radius: 50%;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(99, 102, 241, 0.08);
      border: 1px solid rgba(99, 102, 241, 0.2);
      color: var(--primary);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 24px;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.7; }
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark);
      margin-bottom: 20px;
    }

    .hero-title span {
      background: var(--gradient-base);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      max-width: 750px;
      margin: 0 auto 35px;
      color: var(--text);
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
    }

    .btn {
      padding: 14px 28px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: var(--transition);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-primary {
      background: var(--gradient-base);
      color: white;
      box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 25px rgba(99, 102, 241, 0.45);
    }

    .btn-secondary {
      background: white;
      border: 1px solid var(--border);
      color: var(--dark);
    }

    .btn-secondary:hover {
      background: var(--gray-light);
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    /* Section Global Styles */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 50px;
    }

    .section-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--primary);
      display: block;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 15px;
    }

    .section-title span {
      background: var(--gradient-base);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text);
    }

    /* Stats Section */
    .stats-bar {
      background: rgba(255, 255, 255, 0.8);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 30px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .stat-card h3 {
      font-size: 2.5rem;
      font-weight: 800;
      background: var(--gradient-base);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 5px;
    }

    .stat-card p {
      font-size: 0.9rem;
      color: var(--text);
      font-weight: 500;
    }

    /* Services & Features */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .card {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 30px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .card-icon {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: rgba(99, 102, 241, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary);
    }

    .card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--dark);
    }

    .card p {
      font-size: 0.9rem;
      color: var(--text);
      line-height: 1.5;
    }

    /* Model Cloud (Tags) */
    .model-cloud {
      background: var(--gray-light);
      border-radius: 20px;
      padding: 40px;
      border: 1px solid var(--border);
    }

    .cloud-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .model-tag {
      padding: 8px 16px;
      background: white;
      border: 1px solid var(--border);
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text);
      transition: var(--transition);
      box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    }

    .model-tag:hover {
      background: var(--gradient-base);
      color: white;
      border-color: transparent;
      transform: scale(1.05);
      box-shadow: 0 4px 12px rgba(99,102,241,0.25);
    }

    /* Steps Section */
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 30px;
      position: relative;
    }

    .step-item {
      position: relative;
      text-align: center;
    }

    .step-num {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--gradient-base);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      margin: 0 auto 20px;
      box-shadow: 0 4px 15px rgba(99,102,241,0.3);
    }

    .step-item h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: var(--dark);
    }

    /* Comparison Table (Responsive wrapper) */
    .table-container {
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.02);
      background: white;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 800px;
    }

    th, td {
      padding: 16px 24px;
      border-bottom: 1px solid var(--border);
    }

    th {
      background: var(--gray-light);
      font-weight: 700;
      color: var(--dark);
    }

    tr:last-child td {
      border-bottom: none;
    }

    .highlight-row {
      background: rgba(99, 102, 241, 0.02);
    }

    .badge-star {
      color: #f59e0b;
      font-weight: 700;
    }

    /* Case Section & Media Elements */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }

    .case-card {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    }

    .case-img-wrapper {
      position: relative;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
    }

    .case-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .case-card:hover .case-img-wrapper img {
      transform: scale(1.05);
    }

    .case-content {
      padding: 24px;
    }

    .case-tag {
      font-size: 0.75rem;
      background: rgba(20, 184, 166, 0.08);
      color: var(--accent);
      padding: 4px 10px;
      border-radius: 30px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 12px;
    }

    /* FAQ Collapsible */
    .faq-wrapper {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 12px;
      background: white;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-trigger {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-trigger::after {
      content: '+';
      font-size: 1.5rem;
      color: var(--primary);
      transition: var(--transition);
    }

    .faq-item.active .faq-trigger::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: var(--gray-light);
    }

    .faq-content p {
      padding: 20px 24px;
      font-size: 0.9rem;
      color: var(--text);
      line-height: 1.6;
    }

    /* Form & Lead Capture */
    .form-section {
      background: var(--gradient-soft);
      border-radius: 24px;
      border: 1px solid rgba(99, 102, 241, 0.1);
      padding: 50px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .form-wrapper {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    }

    /* Testimonials */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .review-card {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.01);
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 15px;
    }

    .author-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: var(--gradient-base);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
    }

    .author-info h4 {
      font-size: 0.95rem;
      color: var(--dark);
    }

    .author-info span {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 600;
    }

    .review-rating {
      color: #f59e0b;
      margin-bottom: 10px;
    }

    /* Articles / Blog Section */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .article-card {
      background: white;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 24px;
      transition: var(--transition);
    }

    .article-card:hover {
      border-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .article-card h4 {
      font-size: 1.1rem;
      margin-bottom: 12px;
      color: var(--dark);
    }

    .article-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* Footer & Partners */
    footer {
      background: var(--dark);
      color: #94a3b8;
      padding: 80px 0 40px;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand p {
      margin-top: 15px;
      line-height: 1.7;
    }

    .footer-heading {
      color: white;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      color: #94a3b8;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: white;
    }

    .friend-links {
      border-top: 1px solid #1e293b;
      padding-top: 30px;
      margin-top: 30px;
      text-align: center;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 10px;
    }

    .friend-links-list a {
      color: #64748b;
      font-size: 0.85rem;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: white;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 30px;
      text-align: center;
      font-size: 0.8rem;
    }

    /* Float Service Panel */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-item {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: white;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

    .float-item:hover {
      transform: translateY(-3px);
      background: var(--gradient-base);
      color: white;
    }

    .float-item svg {
      width: 22px;
      height: 22px;
    }

    .qr-popover {
      position: absolute;
      bottom: 60px;
      right: 0;
      background: white;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 15px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      display: none;
      width: 160px;
      text-align: center;
    }

    .qr-popover img {
      width: 130px;
      height: 130px;
      object-fit: cover;
    }

    .qr-popover p {
      font-size: 0.75rem;
      color: var(--dark);
      margin-top: 8px;
      font-weight: 600;
    }

    .float-item:hover .qr-popover {
      display: block;
    }

    .back-to-top {
      display: none;
    }

    /* Mobile Responsive Customizations */
    @media (max-width: 992px) {
      .menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        border-top: 1px solid var(--border);
      }

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

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      
      .form-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }