One page joomla site that user can edit from frontpage

Create or edit one page joomla website in which the user/client can update the entire site from the frontend. This should also include a payment gateway to collect payment and track clients that sign up. Setup wizard will collect client info And collect info and lead to payment method I can provide templates to pick from as well as wizard if need be Example of how i want the site to appear. [login to view URL] I want no color other than images and for it to appear like a social media profile. The user will be able to update all images and writing from frontpage. When done the same template should be able to easily be transformed to different types of sites on the frontpage just by changing the images and user info. I dont want any backend access needed to update the site. All website content will be updated on the frontend when user is login. I want the about us section to appear like this [login to view URL] look at the circle image of the user. I want that affect. when user is login they can upload on the frontend to change that image. Example of wizard that users will see to take website request and payment [login to view URL]