Hello, i read your project description, what do you want need a high budget than the one you specified, i can build for you a responsive ecommerce theme similar to that website with html5, css3 and bootstrap, also transfer all your products to this new website. But, all of this for 1500$, i think you will not find a freelancer or company who build a theme from 0 with budget 30-250$. So, if you are interested to have a good website with clean code, let's talk about.