Website design access control to information - repost

Website design that is accessible from desktop, mobiles and tablets natively, multilanguages (Spanish and English initially). User registration with email validation. Each user after validating is assigned a defined group and acquires the rights of access to the group is defined. Also, each user has access levels that will entitle you to display more or less information the group. Access levels are defined by user and group(enterprise + department). LEVEL ACCESS REQUIREMENTS 0 See information level 0 only. Unregistered users. 1 See information classified as level 0 and 1 Registered users validated, without allocation of defined group (group = enterprise + department) or non-group. Write articles 2 See information level 0 y 1 more level 2 about your group Registered users with defined group. See information level 0 to 2 information about your group only. Write articles 3 See information level 0, 1 and level 2 and 3 about your group. Registered users with defined group. See information level 0 to 3 about your group [login to view URL] articles. 4 See information level 0, 1 and level 2 to 4 about your group. Registered users with defined group. See information level 0 to 4 about your group only. Write articles. 5 See information level 0 through 4 for all groups of same enterprise Registered users with defined groups and company. See information level 0 to 4 about your enterprise. Write and approves publication of articles. 6 See information level 0 through 4 for all groups of all enterprise Registered users with defined groups and company. See information level 0 to 4 about all group and enterprise. Write and approves publication of articles. 7 Edit information level 0 through 4 for all groups of all enterprise Superuser, global Access, delete, modify, edit, classifications levels, public, etc. With his proposal to answer these questions: 1. - On what language or framework to implement think 2. - What database engine used 3. - How long the entire project completed Proposals without answers to the questions above will not be considered. Attached are two example pages. The web page has 8 main pages in total and their respective subpages. Observe the design features and location of the web pages attached (banners for example, gadgets, social network,etc).Panel control for users, groups and articles. Similar website: [login to view URL] (for distribution and colors)