Hello, I am designing a WordPress site for a company that changes its promotions almost every month. The homepage needs to accommodate seasonal campaigns, new offers, announcements, testimonials, and temporary calls to action. The client wants freedom to change these areas without contacting a designer every time, but I am concerned that too much flexibility will eventually make the homepage look inconsistent. I have seen websites where every new marketing manager adds another banner or colored section until the original visual system disappears. I would like to create something flexible enough for frequent updates while still giving the brand a recognizable appearance. How would you structure the interface and reusable sections so the client has control without being able to accidentally break the overall composition?

Thank you, this is exactly the direction I was looking for. I especially like the idea of giving the client a limited library of approved modules instead of an unrestricted builder. That should make monthly updates much safer. I will create several realistic promotion scenarios before finalizing the system, and I will check out Codelibry as you suggested.