.brand-serif {
        font-family: 'Georgia', 'Times New Roman', serif;
      }
      .fade-in {
        animation: fadeIn 0.3s ease-in-out;
      }
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
      }
      .mobile-menu {
        display: none;
      }
      .mobile-menu.active {
        display: block;
      }