website pages creation

Hello This is a basic website project, need some php work to add pages and products of shopping cart A shopping cart is already installed on site and is NOT REQUIRED on this project, its basic all static html pages creation to create page categories and product display on page see sample layout at [login to view URL] Further requirments for this 1) Website should be mobile friendly design, the given layout may not be mobile friendly, so need to be modified for mobile friendly page 2) password protected admin area to create categories / products 3) Option to create Categories on this layout, for e.g ADD CATEGORY This will ofcourse create new pages, i would prefer if creates html pages then php pages, when adding category it will ask for following ADD NEW CATEGORY / MODIFY CATEGORY / DELETE CATEGORY / ADD SUB CATEGORY When adding new category, it should ask name to be appeared for category, Keywords for page, Decscription Meta for page, Title for page and leaderboard banner image, and page header text will be different for all categories ADDING Sub category, will ask category name and will appear when clicked on category on page, rest reamin same like category page 4) Adding Product Option to ADD PRODUCT, MODIFY PRODUCT, DELETE PRODUCT When adding product, Product Name, Product Image, Product Description (HTML SUPPORTED BOX) PRODUCT LINK, CHOOSE CATEGORY Thats all for now