Hello Elmar,
I have reviewed your complete requirement and I am very much comfortable to design all designs:
- Logo
- 2 Buttons
- Signup box to put below each post and regular page
- Side Signup Box (right column)
- A side box to refer the visitors to the home page
- Pop-up image
- Green & Red Checkmark
I'll provide you my best work on chat.
Sure, I'll provide you several mock ups design for finalize the design,
Please let me know if you have any type of Question, I'll be happy to assist you,
Please add me at sk**yp**e: pixlr-it
Looking forward to hear from your side soon,
Kind Regards,
Vinod