body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #4b5c6b;
    color: #ffcc00;
  }
  
  /* Titre principal */
  header {
    text-align: center;
    padding: 40px 20px;
  }
  
  h1 {
    font-size: 32px;
    margin: 0;
  }
  
  /* Grille responsive avec cartes élargies */
  .competence-grid {
    display: flex;
    flex-grow: 1;
    flex-wrap: wrap;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    padding: 40px 5vw;
    max-width: 1600px;
    margin: auto;
  }
  
  /* Style des catégories */
  .competence-category {
    max-width: 40%;
    background-color: #3c4c5a;
    padding: 25px 30px;
    border-radius: 16px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, background-color 0.3s;
  }
  
  .competence-category:hover {
    transform: translateY(-5px);
    background-color: #34414d;
  }
  
  .competence-category h2 {
    font-size: 22px;
    color: #ffffff;
    border-bottom: 2px solid #ffcc00;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }
  
  .competence-category ul {
    list-style-type: disc;
    padding-left: 20px;
    color: #f5f5f5;
    margin: 0;
  }
  
  .competence-category li {
    margin-bottom: 10px;
    font-size: 16px;
  }
  
  /* Responsive tuning */
  @media (max-width: 768px) {
    .competence-grid {
      padding: 30px 4vw;
      gap: 20px;
    }
  
    .competence-category {
      padding: 20px;
    }
  }
  
  @media (max-width: 480px) {
    h1 {
      font-size: 24px;
    }
  
    .competence-category h2 {
      font-size: 18px;
    }
  
    .competence-category li {
      font-size: 14px;
    }
  }