Section layout depends on its order?

Hi there,

I have a problem. If my Hero Section is not the first after the Navbar, it looks properly. But as soon as it becomes the first, its content in desktop mode slides to the left (large screen and tablet modes are ok). I could not understand at all what is going on and why is it. Is it a bug maybe?

Section is not the first:

Just moved it up:

Here is my site Read-Only: