Awesome work! That "sophisticated but not old" feel isn't always easy to achieve, but you nailed it.
I'd like to present you our latest Behance Case Study for Adriatic Luxury Hotels web we recently published out.
Also, proud to say that this project was awarded with Honorable Mention on Awwwards and featured on a lot of design portals.
Check out website version of case -- http://alh.degordian.com/