Corporate, multi-language website on MODX

Development of a multilingual, corporate website for the Polish construction company M&K Grand

The design;
The design;
Adaptive edge of 320px;
a valid code;
Use of non-standard Google fonts and Font Awesome icons;
The HTTPS connection;
Interactive Google maps;
The load speed is 3 seconds.
Forms of feedback with validation for correct filling;
The Preloader;
Multilinguality is;
The CMS #MODx.

Development
HTTPS://mkgrand.com/humans.txt