body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .main-container {
    max-width: 800px;
    text-align: center;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    background-color: #ffffff;
  }
  
  .logo {
    max-width: 300px;
    margin-bottom: 3rem;
    border-radius: 15px;
  }
  
  
  .title {
    font-weight: 600;
    color: #333;
    margin-bottom: 1.5rem;
  }
  
  .description {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
  }
  
  .btn-start {
    background-color: #0d6efd;
    color: white;
    padding: 0.8rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
  }
  
  .btn-start:hover {
    background-color: #0b5ed7;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
  }
  
  @media (max-width: 576px) {
    .main-container {
      padding: 1.5rem;
      margin: 1rem;
    }
    
    .logo {
      max-width: 220px;
      margin-bottom: 2rem;
    }
  }