Feedback on header navigation

Hi there,

I have put together the following ideas for a header of my website and wondered if anyone can give me any feedback. For example, are the CTA buttons ok in terms of location?

Also, I am wondering if the secondary nav in the green it too large and if the links on the left should be right aligned?

I have used 20px for the main links. Is this too large or should I drop it to 18px?

Any feedback would be great, thanks!

I have also put together some other ideas: