Mega Menu not working on Mobile / Tablet

1- Mega menu not working properly on Mobile/Tablet. Menu requires long click to display sub menu items. I have test all type of Android and iOS (Apple) browsers.

2- Header3 style with Search1: when you click search icon its open full screen white screen with search box but when you click on search box it  goes back to normal. If you click menu icon every time search splash open again 

Magento 2.4.4  Pearl v1.11.11 

Need your help to fix these issues.

Thanks in advance.