Hi,
I can port your 100 pages website to a new platform and make responsive. For this budget I can suggest WordPress and yes I can test it on different gadgets.
Please contact me for more details and samples of my work.
I'm an expert web developer, with over 10 years of experience in PHP, WordPress, HTML5, PostCSS, CSS Modules, LESS, NodeJS, AngularJS, ElasticSearch, ReactJS, Gulp, AWS, Webpack, MongoDB, Socket.io.
Best regards,
Dmitry,
Miami 786 656 1921