/* Keep the menu toggle limited to the mobile layout. */
.brand { display: block; background: #428bca; padding: 12px 16px; border-radius: 12px; }
.menu-toggle { display: none; }
.site-main { border-radius: var(--radius) var(--radius) 0 0; }
@media (max-width: 640px) { .menu-toggle { display: block; } }