Popup checkout module in popup

Module Quick Checkout for [URL visible pour les membres Pro]

Description:
Objective of the module is to set up a very fast checkout process, with a pop up and minimum steps with minimum of information in each step, all specification are NOT YET finish, this document will be updated during module coding. This module will use other module to calculate shipping price.
Same specification:
1. All front office text must be translatable via prestashop. Because I need to translate all in arabe and France.
2. If it possible to store all information from of clients even if they not click to submit button.
3. For each step don’t reload page. To be fast and don’t lose client attention.
4. It very important to set up design for mobile and desk top specifically for Mobile because 95% of our visitor from Mobile devices.
5. Auto-fill checkout form, from browser cached information: example ->
6. In each filed use mask like date. DD/MM/YYYY
7. For each step client can go back to edit his information.
8. In each step show only filed that will be asked.
9. Use the existing theme style for checkout form.

Process of checkout:
Trigger 1: click to add to cart
When client click to add to cart bouton, we execute a process a popup like this website to get information of client quicky [URL visible pour les membres Pro] or [URL visible pour les membres Pro]
[URL visible pour les membres Pro]
[URL visible pour les membres Pro]
But I need this popup with steps, using default popup of prestashop

In each step add immediately client response to database. so as not to lose the information if the customer does not finish the order.
Step 1: Sex, Full name and phone number, you add bouton next, in this step create a new user with this 3 informations and associated the existent cart with this new user, if more information needed for creation a user like email for example, use a fake random information until a user’s adds their information in the next steps.
Step 2: Address country and town, you add bouton next
Step 3: show price of products + price of shipping depending of county and town, and payment method will be only cach on delivery in Morroco country and paypal in other country you add bouton confirmation command and continue shopping. At this step create oder when client click to ok
Step 4: ask for client email and Date of Birth. If the client doesn’t have an email, he will check box that add a fake in database [E-mail visible pour les membres Pro] NNNN will be random number to avoid duplicate email in database. The label of checkbox is “don’t have email”
If the client adds e mail, sent it automatously a random password for his account
You can find information of shipping price in module named “private_shipping” for only Maroc county for other country you can find it in normal way.
Step 5: default confirmation order page of prestashop. And send email confirmation as default prestashop behavior.

PS1 : Don’t forget to show a minimum total amount

PS2: show message for minimum amount for free shipping