Build a Website to support an application

A landing page that will allow NEW users to create and manage their cloud storage account, make payments via a third party like paypal or etc, ability . Page will contain basic information regarding the company contact information, FAQ, and to add additional pages when necessary. *** Ability to send and receive SECURE messages from the browser to the chat app client *** Ability to support ads The user needs to be able to securely access their files with full permission to upload, delete, save, read, write, transfer to and from the hard drive and attach to email clients. Should be written for Explorer and Mozilla FireFox. Would also like the capability to register users and collect payments. There will need multiple settings for folder size XGB and XTB and prices free and $[login to view URL] dollars per year. For registered users: The user will need to log into the website using email address, password, and six digit PIN The user should be able to see their account information containing their data plan and payment options. Inside that page or on another page they should be able to see their files and folders on the cloud. Create an account capturing email address and method of payment and data option. Once the user is logged in or creates an account they can navigate as we discussed Ability to work with an application to sync data stored in the cloud to multiple devices. Encryption keys will be maintained by the cloud provider. Webinterface and App will need to be able to sync encryption keys needed to chat as well as to add a banner or watermark to the chat screen that identifies type of information being communicated.