{{ $form := index .Site.Params.contact_forms 0 }}
<form class="contact-form" action="{{ $form.submit_url }}" method="post">
  <div class="form-grid">
    {{ range $field := $form.fields }}
      <div class="form-group {{ if $field.class }}{{ $field.class }}{{ end }}">
        <label for="{{ $field.name }}">{{ $field.name }}</label>
        {{ if eq $field.type "textarea" }}
          <textarea id="{{ $field.name }}" name="{{ $field.name }}" rows="5"{{ if $field.required }} required{{ end }}></textarea>
        {{ else }}
          <input type="{{ $field.type }}" id="{{ $field.name }}" name="{{ $field.name }}"{{ if $field.required }} required{{ end }}>
        {{ end }}
      </div>
    {{ end }}
  </div>
  <div class="form-group full-width">
    <button class="button" type="submit">Submit</button>
  </div>
</form>