Hello good afternoon everyone how are you?

I have a bug regarding the address bar in Chrome mobile when scrolling up a blank space appears below the page making my fixed item jump!

See the video below!
https://drive.google.com/file/d/1Ti85TxmX6bncnWZt1EBKS7QMU1nHtYYc/view?usp=sharing

Link to website
https://www.zarpou.com.br/gramado/museus/ingresso-salao-super-carros-em-gramado

I think this is related to this Google post, but I tried to apply the solution, but it didn’t work
https://developers.google.com/web/updates/2016/12/url-bar-resizing

Can anybody help me? Thanks