Hi,
I have seen all provided point and understand very well i can rebuild your optimize design and will provide you responsive design with add new features. I am a freelance WordPress designer & developer having 7 year of experience. I am expert in HTML, CSS, Responsive HTML, Bootstrap, Photoshop, WordPress, PHP, jquery and CMS like Wordpress, Joomla and Drupal with woocommerce, opencart, prestashop, magento and others Shopify, bigcommerce etc...
Please feel free to contact with me on my freelancer account so that we can discuss about it's designing.
Thanks,
Kaushal M