Hello,
You could create your custom form with mandatory fields and add some validation to make sure the information was filled in correctly.
Then (only when the form was submitted) redirect your site visitors to a page you need.
https://support.wix.com/en/article/corvid-about-validating-user-input-with-code
https://support.wix.com/en/article/working-with-user-input-validation-in-the-settings-panel
https://www.wix.com/corvid/example/custom-validations - example that you can open in your Editor, play with it, adjust it to your needs and implement it on your site.
https://www.wix.com/corvid/reference/wix-location.html#to
https://www.wix.com/corvid/reference/wix-data.Hooks.html#afterInsert