/* Style général */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f4f4f9;
    color: #333;
  }
  
  /* En-tête */
  header, .titre{
    margin: 20px;
    text-align: center;
  }
  
  header h1, .titre h1 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 0.3em;
  }
  
  header p, .titre p{
    font-size: 1.1em;
    color: #666;
  }
  
  /* Grille des cartes */
  .grid-container {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    width: 90%;
    max-width: 1000px;
    margin: 20px;
  }
  
  /* Cartes */
  .card {
    text-decoration: none;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  }
  
  .card-content {
    padding: 20px;
    text-align: center;
  }
  
  .card-content h2 {
    font-size: 1.3em;
    color: #333;
  }
  
  @media (max-width: 600px) {
    header h1 {
      font-size: 2em;
    }
    header p {
      font-size: 1em;
    }
    .card-content h2 {
      font-size: 1.1em;
    }
  }