Question/Answer
“Custom Logo Support?”
Yeah, this theme supports a custom logo upload.
The default logo is an uploaded image: http://themes.meydjer.com/mater/wp-content/themes/mater/images/mater-logo.png
You can upload your own logo via Theme Customizer. :)
This question applies to Juca - Fullscreen Portfolio and Mater - Fullscreen Image & Video Background WP