NO RESPONSIVE!!!

hello i just bought your upgrade for wrock metro theme just to have the website responsive for mobile, but it is absolute no responsive!!!
I clicked “Enable Responsive Design for you website to increase experience on Mobile Devices” but is the same before the upgrade! the website is https://www.viaggiointhailandia.com and as you can see is not mobile friendly!
someone can help me please??

I always use free themes and never found no responsive themes!! absurd!