// Dependencies.
@import '../normalize';

// Headings
//
// All HTML headings, <code>&lt;h1&gt;</code> through <code>&lt;h6&gt;</code>,
// are available. <code>%h1</code> through <code>%h6</code> classes are also
// available, for when you want to match the font styling of a heading but still
// want your text to be displayed inline.
//
// Markup: headings-h.hbs
//
// Style guide: base.headings

.heading,
%heading {
  // Set 1 unit of vertical rhythm on the top and bottom margins.
  @include margin(1 0);
  font-weight: weight(bold);

  &--twitter {
    @include margin-bottom(.3);
  }
}

// Address variable `h1` font-size and margin within `section` and `article`
// contexts in Firefox 4+, Safari, and Chrome.
h1,
%h1 {
  @extend %heading;
  @include type-layout(xxl, 2.2);
}

h2,
%h2 {
  @extend %heading;
  @include type-layout(xl, 1.4);
}

h3,
%h3 {
  @extend %heading;
  @include type-layout(l, 1);
}

h4,
%h4 {
  @extend %heading;
  @include type-layout(m, 1);
}

h5,
%h5 {
  @extend %heading;
  @include type-layout(s, 1);
}

h6,
%h6 {
  @extend %heading;
  @include type-layout(xs, 1);
}


// Fugly selectors.
.pane-twitter-block-1 h2 {
  @extend %heading--twitter;
}
