HeyShan

in the website I sent, there is a section like animation Please check the website I attached that part I need to know how to do that?

this about custom form, if you check this website https://ckp.ie/ there is a button called Report Property Issue when you click it you will redirect a form, so you can choose what issue you facing and when you click an issue it will bring you sub issue so I need to create this type form using Squarespace so how should I do it? really appreciate your help