Add to cart feature

Our site currently uses an 'Add to cart' enquiry feature. This needs redesigning and must: Be easy to understand for all users Cross browser compatible including all mobile devices Include user-friendly icons The new feature will incorporate a simple cookie-based Account system where users can add to wishlist, add to enquiry and then an account is created before they submit their [login to view URL] All of this needs designing and testing before implementing on the site Freelancer will have great design skills, php and English and must be available on googlechat As always, no payment will be made until work is satisfactorily completed.