/* Sfondo scuro semitrasparente */
    .modal-overlay {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 1000;
      animation: fadeIn 0.5s ease forwards;
    }

    /* Contenuto del popup */
    .modal-content {
      background: #ffffff;
      width: 90%;
      max-width: 600px;
      margin: 100px auto;
      padding: 30px 20px;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
      position: relative;
      transform: translateY(-30px);
      opacity: 0;
      animation: slideIn 0.5s ease forwards;
      font-family: 'Segoe UI', sans-serif;
      text-align: center;
    }

    .modal-content h2 {
      margin-top: 0;
      margin-bottom: 20px;
      font-size: 24px;
      color: #333;
    }

    .modal-content p {
      color: #555;
    }
	
    .modal-content .firma {
      text-align: right;
    }

    .close-btn {
      position: absolute;
      top: 10px; right: 15px;
      font-size: 24px;
      color: #aaa;
      cursor: pointer;
      transition: color 0.3s;
    }

    .close-btn:hover {
      color: #333;
    }

    /* Animazioni */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    @keyframes slideIn {
      to {
        transform: translateY(0);
        opacity: 1;
      }
    }