<ul class="nav nav-pills cat-pills">
    {function name=categories_tree}
        {if $categories}
            
                {foreach $categories as $c}
                    {if $c->visible}
                        {if $c->subcategories && $c->has_children_visible}
                            {if $level == 2}
                            <li>
                            {if $smarty.server.REQUEST_URI != "/catalog/{$c->url}"}
                                <a href="{$lang_link}catalog/{$c->url}" data-category="{$c->id}">{$c->name|escape|capitalize}</a>
                            {else}
                                <span data-category="{$c->id}">{$c->name|escape|capitalize}</span>
                            {/if}
                            </li>
                            {/if}
                            {categories_tree categories=$c->subcategories level=$level + 1}
                        {else}
                            {if $level == 2}
                            <li>
                            {if $smarty.server.REQUEST_URI != "/catalog/{$c->url}"}
                                <a href="{$lang_link}catalog/{$c->url}" data-category="{$c->id}">{$c->name|escape|capitalize}</a>
                            {else}
                                <span data-category="{$c->id}">{$c->name|escape|capitalize}</span>
                            {/if}
                            </li>
                            {/if}
                        {/if}
                    {/if}
                {/foreach}
            
        {/if}
    {/function}
    {categories_tree categories=$categories level=1}
</ul>