Hello
i read carefully about your requirement . we have been did same type of site . we also build a admin for you wher from you can access everything and change everything in the site .
ping me over freelancer for more discussion and let me show you some demo .
i work on Wordpress , php , html , css , responsive ,
website speed optimazation ,woocommerce, bridge theme , be-theme,
avada theme, devi theme, psd design, psd to html , html to wordpress