Custom Hamburger not working properly on mobile (ios)

Design help Animations & Interactions
1

Hi Guys

I have a custom hamburger that I am using instead on the standard webflow one… it works fine on desktop with inspect devices… but when used on mobile it has a weird quirk… would anybody be able to help me at all?

Many Thanks

https://preview.webflow.com/preview/agency-template-modern-tier-2?utm_medium=preview_link&utm_source=designer&utm_content=agency-template-modern-tier-2&preview=1c40106d22fdaa4b3719a5fa6f19a75e&mode=preview