:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --secondary: #10b981;
      --secondary-dark: #059669;
      --accent: #f59e0b;
      --light: #f8fafc;
      --dark: #1e293b;
    }
    
    body {
      font-family: 'Inter', sans-serif;
      background-color: #f1f5f9;
      color: #334155;
    }
    
    .hero-gradient {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    }
    
    .card-hover {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    
    .btn-primary {
      background-color: var(--primary);
      transition: all 0.3s ease;
    }
    
    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
    }
    
    .btn-secondary {
      background-color: var(--secondary);
      transition: all 0.3s ease;
    }
    
    .btn-secondary:hover {
      background-color: var(--secondary-dark);
      transform: translateY(-2px);
    }
    
    .feature-icon {
      width: 60px;
      height: 60px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
    }
    
    .nav-link {
      position: relative;
    }
    
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background-color: white;
      transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
      width: 100%;
    }
    
    .tab-active {
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
      transform: scale(1.05);
    }