// Headings in mobile
//
// All headings styled in the content div will be styled like so.
//
// Markup:
// <div class="pre-content">
//   <h1 id="section_0">Heading 1</h1>
// </div>
// <div class="content">
//   <p>Paragraph of text</p>
//   <h2>Heading 2</h2>
//   <p>Paragraph of text</p>
//   <h3>Heading 3</h3>
//   <p>Paragraph of text</p>
//   <h4>Heading 4</h4>
//   <p>Paragraph of text</p>
//   <h5>Heading 2</h5>
//   <p>Paragraph of text</p>
//   <h6>Heading 2</h6>
//   <p>Paragraph of text</p>
// </div>
//
// Styleguide 1.1.
@import 'mediawiki.mixins.less';
@import '../../minerva.less/minerva.variables.less';
@import '../../minerva.less/minerva.mixins.less';

@headingLineHeight: 1.3;

h1 {
	font-size: @fontSizeH1;
}

h2 {
	font-size: @fontSizeH2;
}

h3 {
	font-size: @fontSizeH3;
	font-weight: bold;
}

h4 {
	font-weight: bold;
}

.pre-content h1,
.content h1,
.content h2 {
	font-family: @font-family-serif;
}

.pre-content h1,
.content h1,
.content h2,
h3, h4, h5, h6 {
	line-height: @headingLineHeight;
	word-wrap: break-word;

	// This value isn't valid per the specification [0] but fixes the behaviour in
	// Google Chrome (45.0.2454.93), and, likely, other browsers too.
	//
	// [0] https://drafts.csswg.org/css-text-3/#propdef-word-break
	word-break: break-word;
}

.content {
	// Deliberately not applied to h1
	h2, h3, h4, h5, h6 {
		padding: @headingMargin 0;
	}

	// `h3`s need extra `margin-top` after paragraphs, see T219572.
	p + h3 {
		margin-top: @headingMargin * 3;
	}
}