ES Projekt d.o.o. logo an business cards

C'est ce que Smart Energy recherchait dans leur logo design

The S and E he would like the slogan to be Smart Energy. But ES, because the company is called ES Projekt !
The logo can be changed. we like a 3d look. The old logo can also be used and a new one can be provided. We just expect new ideas around it, that E and S connect energy and solar. Represent a transition.
the business cards info is in attachment, we like dark background...sending some examples. current logo is in attachment.
the logo and business cards should represent some connection between energy and solar and ecological.
clean energy, since we deal with solar energy Voir plus