html {
    height: 100%;
    scrollbar-gutter: stable;
  }
  
   body {
     margin: 0;
     min-height: 100vh; /* s'assure que ça couvre toujours la hauteur de l'écran */
     background: linear-gradient(to bottom, #6ba869, #dc5f5f);
     background-attachment: fixed; /* Empêche le dégradé de se répéter en scroll */
     background-repeat: no-repeat;
     background-size: cover;
   }
  .container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
  }
   header {
     background-color: rgba(255, 255, 255, 0.8);
     padding: 15px 0;
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
     border-bottom: 2px solid #90c695;
   }
  nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
   nav ul li a:hover {
     background-color: #f5b7b1;
     color: #000;
   }
  h1 {
    font-size: 3em;
    text-align: center;
    color: #333;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  }
  .personality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }
   .trait-card {
     background-color: rgba(255, 255, 255, 0.7);
     padding: 25px;
     border-radius: 15px;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
     border: 2px solid #90c695;
     text-align: center;
     transition: transform 0.3s ease, border-color 0.3s ease;
   }
  .trait-card:hover {
    transform: translateY(-5px);
    border-color: #f5b7b1;
  }
  .trait-card h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 10px;
  }
  .trait-card p {
    font-size: 1.1em;
    color: #555;
  }
   footer {
     text-align: center;
     padding: 20px;
     margin-top: 50px;
     background-color: rgba(255, 255, 255, 0.8);
     border-top: 2px solid #90c695;
     color: #555;
   }