Front-End UX Responsive Laravel

We have the web design (front-end) of our new page [login to view URL] we need the following: 1) The design (front-end) must be 100% responsive, improve the current UX 2) Convert the code and use Laravel 3) Invoke our API REST (json) to make the site dynamic, we already have the services built 4) The site must have webpage caching (cache 1 day) and a url to clean the cache of the entire site 5) maximum load time should be maximum of 5 seconds 6) You must have security to avoid DDOS attacks or some other attack.