:root {
      --primary: #0ebab1;
      --primary-dark: #0a8a83;
      --accent: #62e4ff;
      --bg-primary: #ffffff;
      --bg-secondary: #f8f9fa;
      --bg-card: #ffffff;
      --bg-card-hover: rgba(14, 186, 177, 0.05);
      --text-primary: #1a2130;
      --text-secondary: #4a5568;
      --text-muted: #718096;
      --border-color: #e2e8f0;
      --gradient-primary: linear-gradient(135deg, #0ebab1, #62e4ff);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --spacing-sm: 1rem;
      --spacing-md: 1.5rem;
      --spacing-lg: 2rem;
      --spacing-xl: 3rem;
      --spacing-2xl: 4rem;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
      --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
      --font-size-sm: 0.875rem;
    }

    [data-theme="dark"] {
      --bg-primary: #0a0e1a;
      --bg-secondary: #131824;
      --bg-card: rgba(26, 33, 48, 0.8);
      --bg-card-hover: rgba(14, 186, 177, 0.05);
      --text-primary: #ffffff;
      --text-secondary: #b8c5db;
      --text-muted: #7a8aa3;
      --border-color: #2d3748;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      transition: background 0.3s ease, color 0.3s ease;
    }

    /* Navigation - Same as homepage */
    .navbar {
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }

    [data-theme="dark"] .navbar {
      background: rgba(10, 14, 26, 0.95);
    }

    .navbar-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 var(--spacing-lg);
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

    .navbar-brand {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
      text-decoration: none;
    }

    .navbar-nav {
      display: flex;
      list-style: none;
      gap: var(--spacing-lg);
      align-items: center;
    }

    .nav-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
    }

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

    /* Hero Section */
    .hero {
      min-height: 70vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      padding: calc(80px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
      background: linear-gradient(135deg, rgba(14, 186, 177, 0.05), rgba(98, 228, 255, 0.05));
    }

    .hero-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      opacity: 0.1;
    }

    .hero-bg video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 1200px;
      text-align: center;
    }

    .hero-badge {
      display: inline-block;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 0.5rem 1.5rem;
      border-radius: 50px;
      margin-bottom: var(--spacing-md);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
    }

    .hero-title {
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-secondary);
      margin-bottom: var(--spacing-xl);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .btn-primary {
      background: var(--gradient-primary);
      color: white;
      padding: 1rem 2rem;
      border-radius: var(--radius-md);
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 20px rgba(14, 186, 177, 0.3);
    }

    /* Overview Section */
    .section {
      padding: var(--spacing-2xl) var(--spacing-lg);
      max-width: 1400px;
      margin: 0 auto;
    }

    .section-header {
      margin-bottom: var(--spacing-xl);
    }

    .section-badge {
      display: inline-block;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 0.5rem 1.5rem;
      border-radius: 50px;
      margin-bottom: var(--spacing-md);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
    }

    .section-subtitle {
      font-size: 1.125rem;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: var(--spacing-md);
    }

    .features-list {
      list-style: none;
      padding: 0;
      margin: var(--spacing-lg) 0;
    }

    .features-list li {
      padding: 0.75rem 0;
      padding-left: 2rem;
      position: relative;
      color: var(--text-secondary);
      font-size: 1.125rem;
    }

    .features-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: 700;
      font-size: 1.25rem;
    }

    /* Solutions Grid */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: var(--spacing-lg);
      margin-top: var(--spacing-xl);
    }

    .solution-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: var(--spacing-xl);
      transition: all 0.3s ease;
    }

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

    .solution-icon {
      width: 60px;
      height: 60px;
      background: var(--gradient-primary);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      margin-bottom: var(--spacing-md);
    }

    .solution-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: var(--spacing-sm);
      color: var(--text-primary);
    }

    .solution-desc {
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: var(--spacing-md);
    }

    .solution-cta {
      color: var(--primary);
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: gap 0.3s ease;
    }

    .solution-cta:hover {
      gap: 1rem;
    }

    /* Use Cases Section */
    .use-cases {
      background: var(--bg-secondary);
      padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .use-case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--spacing-lg);
      margin-top: var(--spacing-xl);
    }

    .use-case-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      transition: all 0.3s ease;
    }

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

    .use-case-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      background: linear-gradient(135deg, rgba(14, 186, 177, 0.1), rgba(98, 228, 255, 0.1));
    }

    .use-case-content {
      padding: var(--spacing-lg);
    }

    .use-case-title {
      font-size: 1.125rem;
      font-weight: 700;
      margin-bottom: var(--spacing-sm);
      color: var(--text-primary);
    }

    .use-case-desc {
      color: var(--text-secondary);
      line-height: 1.8;
    }

    /* CTA Section */
    .cta-section {
      background: var(--gradient-primary);
      color: white;
      text-align: center;
      padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .cta-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: var(--spacing-md);
    }

    .cta-subtitle {
      font-size: 1.125rem;
      margin-bottom: var(--spacing-xl);
      opacity: 0.9;
    }

    .btn-secondary {
      background: white;
      color: var(--primary);
      padding: 1rem 2rem;
      border-radius: var(--radius-md);
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    /* Dropdown Menu */
    .nav-item {
      position: relative;
    }

    .dropdown {
      position: relative;
    }

    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      min-width: 250px;
      padding: var(--spacing-sm);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: all 0.3s ease;
      margin-top: var(--spacing-sm);
      z-index: 100;
    }

    .dropdown:hover .dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .dropdown-item {
      padding: var(--spacing-sm);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
      cursor: pointer;
      display: block;
      text-decoration: none;
      color: var(--text-secondary);
    }

    .dropdown-item:hover {
      background: var(--bg-card-hover);
      color: var(--primary);
      transform: translateX(5px);
    }

    .dropdown-item-title {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .dropdown-item-desc {
      font-size: var(--font-size-sm);
      color: var(--text-muted);
    }

    /* Theme & Language Toggles */
    .navbar-controls {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
    }

    .theme-toggle, .lang-toggle {
      background: var(--bg-secondary);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 0.5rem 1rem;
      cursor: pointer;
      font-size: var(--font-size-sm);
      font-weight: 600;
      color: var(--text-primary);
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .theme-toggle:hover, .lang-toggle:hover {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .login-btn {
      background: var(--gradient-primary);
      color: white;
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-md);
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .login-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 20px rgba(14, 186, 177, 0.3);
    }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
      display: none;
      flex-direction: column;
      gap: 4px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
    }

    .mobile-menu-toggle span {
      width: 24px;
      height: 2px;
      background: var(--text-primary);
      transition: all 0.3s ease;
    }

    @media (max-width: 768px) {
      .solutions-grid,
      .use-case-grid {
        grid-template-columns: 1fr;
      }

      .hero-title {
        font-size: 2rem;
      }

      .section-title {
        font-size: 1.5rem;
      }
    }