{% set nav_active = app.request.attributes.get('_route') == 'magazine-category' and app.request.attributes.get('slug') == slug %}
<a
    class="header__cat-link{{ nav_active ? ' header__cat-link--active' : '' }}"
    href="{{ path('magazine-category', { slug: slug }) }}"
    {% if nav_active %}aria-current="page"{% endif %}
>{{ title }}</a>