problem with links

my portfolio: https://www.krzysztofmarkowski.eu

i have problem with links and navigation… (i use plugin page numbers)

i have links in main menu like this:
<a href="<?php bloginfo('home'); ?>/foto">Foto</a>
there are post only from ‘foto’ category…

problem is with ‘Permalinks’ but i dont know how to solve this:

– when i have this: /%category%/%page%/%postname%/
i can navigate by category and next previosu pages but i cant go directly to one post

– when i have this: /%category%/%postname%/
i can go and se one post only but my navigation dont work (i cant go to secon page)

please help me with this…