body {
      background: linear-gradient(135deg, #0F1E2E , #14283d);
      margin: 0;
	  min-height: 100vh;
	  display: flex;
	  justify-content: center; /* centre horizontalement */
	  align-items: center;     /* centre verticalement */
    }


    .logo {
	  width: 800px; /* taille contrôlée ici */
	  color: #e7ecef;
	  user-select: none;
	}