= wrap_layout :layout do
  .sl-l-holy-grail.sl-l-holy-grail--has-navigation
    %nav.sl-l-holy-grail__navigation(role='navigation')
      = yield_content :navigation

    %main.sl-l-holy-grail__main(role='main')
      - if current_page.data.introduction
        .sl-c-introduction= markdown_wrap current_page.data.introduction

      =yield