{{ $featured_image := .Params.featured_image }}
{{ if $featured_image }}
  {{ $featured_image := (trim $featured_image "/") | absURL }}
  <header class="cover bg-center" style="background-image: url('{{ $featured_image }}');">
    <div class="pb3-m {{ .Site.Params.cover_dimming_class | default "bg-black-60" }}">
      {{ partial "site-navigation.html" . }}
      <div class="tc-l pv6 ph3 ph4-ns">
        {{ if not .Params.omit_header_text }}
          <h1 class="f2 f1-l fw2 white-90 mb0 lh-title">{{ .Title | default .Site.Title }}</h1>
          {{ with .Params.description  }}
            <h2 class="fw1 f5 f3-l white-80 measure-wide-l center lh-copy mt3 mb4">
              {{ . }}
            </h2>
          {{ end }}
        {{ end }}
      </div>
    </div>
  </header>
{{ else }}
{{ $sitewide_image := .Param "featured_image"}}
  <header class="cover bg-top" style="background-image: url('{{ $sitewide_image }}');">
    <div class="{{ .Site.Params.cover_dimming_class | default "bg-black-60" }}">
      {{ partial "site-navigation.html" . }}
    </div>
  </header>
{{ end }}