Multi Step Form: Enable next button if checkbox is checked

Hello everyone
I hope you are well!

Can you help me with this?

I have created a multi step form. At the moment, unfortunately, you can click through it without selecting anything.
I would like to be able to click the next button only after clicking a checkbox or filling out a field.

Do you have an idea for this?

Here is my site Read-Only: Webflow - Copy of Final

Though not on this platform I’ve used Cognito forms with great luck embedding their forms in my website, with built-in error checking. Very powerful conditional builder with lots of built in functionality. Just thought I’d throw this out there. I can provide a link if you are interested in what I’ve done.