Hello,
I have read your project description and I can do the responsive. Milestone and days mention here is placeholder price, it may be increase which depends on website.
I have experience of 7 years in the field of web designing and developing. I have expertise on PHP, WordPress, Mysql, AJAX, OOPS, HTML5, Design (bootstrap/responsive).
I hope you will revert to me positively soon.
Thank you.
Regards,
Zub