i need a full website in which medical students can pay and get access to the site. The site will have over 5000 questions and answers. The students can login and get access to all the questions. The questions can be filtered into certain categories for example such as cardiology, pulmonology, musculoskeletal, neurology, pediatrics, geriatrics, and etc.. I will provide other categories. The student will be able to make practice tests according to their desire. IF they want 10 questions on the test or 90 questions it is up to them. Also the have the option to make it a timed test or untimed. also results will be provided along with chart showing their percentage of right and wrong answers. An overall percentage of right and wrong based on all questions answered. people who come to the site will be given a free trial period. I want the website to also be available via mobile phone and tablet. i can provide an example of design. This website must have exceptional design.