place unique content you wil get pr even i add new page to my old site in 15 days i got a PR 2 for that new page
If you want to increase your page rank you need to create strong backlink which you are targeting the page.
Design is Very Nice and clean, But for you to get a page rank i guess you will have to work more on High quality Back Links. Why don't you write one of two articles and submit them to article directories.
You need to have a unique contents, increase visitor traffic... If you do get it, i think your site PR rank will improve... Good luck... :d