@media (max-width: 768px) {
    .qr-section .message {
        font-size: 1.5rem;
    }

    #qrcode canvas {
        width: 200px !important;
        height: 200px !important;
    }

    footer p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .qr-section .message {
        font-size: 1.2rem;
    }

    #qrcode canvas {
        width: 150px !important;
        height: 150px !important;
    }

    footer p {
        font-size: 0.9rem;
    }
}