What CMS is suitable?

I recently got this design coded in preparation for a project of mine based around World Issues, Politics, and generally helping others out through fund raising and that kind of stuff. It's called The Innocent Mind. Some of you may have heard about it already.

Well, here's a preview of the design (coded), but I was wondering what would be the best CMS to use with it? It's going to have a one-page blog section, the rest are just going to be pages of information, with pages such as the articles page a 'categoried' list of articles, and the videos page the same but with videos.

Can anyone recommend a good CMS for this, and show me where I could get it implemented?

I considered WordPress, but I'm unsure about it.

Please advise

Regards,
Taiyab.