.custom-logo {
            max-width: 120px;
            height: auto;
        }
        
        @media (max-width: 576px) {
            .custom-logo {
                max-width: 80px;
            }
            .main-title {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .form-section {
                margin-bottom: 2rem;
            }
        }
        
        .title_tarjeta img {
            max-width: 100%;
            height: auto;
        }
        
        .form-container {
            background-color: #f8f9fa;
            border-radius: 10px;
            padding: 1.5rem;
        }