One (unusual) approach I like because of the simplicity is to put all your navigation links in your footer, and the hamburger/menu button in the header is just an anchor link that scrolls down to your footer.

Unfortunately, accessible HTML solutions for well established UI patterns like menus and tooltips are still far too difficult to get right (anything that requires JavaScript usually).

Actual answer: like this! https://codepen.io/Sfate/pen/kGbLzK

You can do a lot with CSS these days: https://css-tricks.com/the-checkbox-hack/