* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #8e44ad, #6c5ce7);
    color: #fff;
  }
  
  .container {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
  }
  
  .card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
  }
  
  .card h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffffff;
  }
  
  .card p {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #f0eafd;
  }
  
  @media (max-width: 480px) {
    .card h1 {
      font-size: 1.5rem;
    }
  
    .card p {
      font-size: 1rem;
    }
  }
  
  @media (min-width: 1920px) {
    .card {
      max-width: 800px;
      padding: 3rem;
    }
  
    .card h1 {
      font-size: 2.5rem;
    }
  
    .card p {
      font-size: 1.4rem;
    }
  }