mikyilfilosofo If you are looking forward to improve your site design or aiming towards getting more productive results out of your site, I would suggest to search on freelancer sites like upwork, guru, freelancer or you can hire a dedicated web design agency for rendering their services.
Also, I would suggest to hire some agency or freelancer who has good expertise in user experience which plays vital role in user engagement and decreasing bounce rate for your site 🙂
Sorry but JoomlArt doesnt provide custom work services as mentioned here by Pavit or you can also contact the company referred to, in the other forum thread