RewriteEngine on
RewriteRule ^([A-Za-z]+)/style/(.*)?$ stylesheets/$2?project=$1
RewriteRule ^([A-Za-z]+)/confirm/?$ confirm.php?project=$1
RewriteRule ^([A-Za-z]+)/errors/(.*)$ product.php?project=$1&$2
RewriteRule ^([A-Za-z]+)/thanks/?$ thanks.php?project=$1
RewriteRule ^([A-Za-z]+)/?$ product.php?project=$1