@media (min-width: 600px) {
    .hamburger-menu {
        visibility: hidden;
        pointer-events: none;
    }
}

@media (max-width: 600px) {
    h1.logo {
        font-size: 1.2em;
    }
}

@media (max-width: 600px) {
    .layout {
        grid-template-columns: auto;
    }
}