Covert site to a cms site

I need one of my websites to be converted to proper CMS which I can add pages and content and graphics easily. Must have h 1 , h2tags and so on..... Must be seo friendly , meaning all tags for h involved as well as alt and so on, must be able to add a page and alter the tags.... Aslo need a quote feature so customers can fill in door size details on each door design, then it will generate a [login to view URL] the quote we can have a proceed button AND a no thanks button. The proceed takes you to the contact form to contact us. ## Deliverables Must be SEO friendly, must have a database to store customers details when they fill in the contact form. I will then sign in , click on the customer , his details and query comes up, then I can reply with a quotation through the site. Also needed is a quote page feature on each page where they can specify the size of door and quantity , then a quote will generate accordingly.