I really like the look of this theme, but after struggling for days to get it customized in the way I want, I've concluded that it's not possible. I like the video header, but it only allows video embeds from YouTube. I like the portfolio section, but it doesn't give you the opportunity to link to other pages in the site—you can only link to these pop ups which are not customizable. The developer has not provided a content section into which you can paste HTML, so you are locked into his options. They are too simplified to work.
Author response
About video header, you could use your own video to simply upload your video on YouTube. It will save your website space & loading time. Moreover, there has a full content editor for the portfolio to use link and HTML. please check out the screenshot as reference http://tinyurl.com/yd636ahw