@font-face {
	font-family: 'Fira Sans';
	src: url("../fonts/FiraSans-Bold.woff2") format("woff2"),
		 url("../fonts/FiraSans-Bold.woff") format("woff"),
		 url("../fonts/FiraSans-Bold.ttf") format("opentype");
	font-style: normal;
	font-weight: 600;
}

@font-face {
	font-family: 'Fira Sans';
	src: url("../fonts/FiraSans-Regular.woff2") format("woff2"),
		 url("../fonts/FiraSans-Regular.woff") format("woff"),
		 url("../fonts/FiraSans-Regular.ttf") format("opentype");
	font-style: normal;
	font-weight: 400;
}

* {
	box-sizing: border-box;
}

html {
	height: 100%;
}

body {
	height: 100%;
	width: 100%;
	font-size: 18px;
	line-height: 1.7;
	font-family: 'Fira Sans', Helvetica, Arial, sans-serif;
	font-weight: 400;
	color: #434446;
}

html,
body,
ul,
li {
	margin: 0;
	padding: 0;
}

a {
	text-decoration: none;
	color: #F04C52;
}

.main-content a {
	position: relative;
}

.main-content a::after {
	content: '';
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	height: .5px;
	background: #F2F2F2;
	transition: background .275s;
}

.main-content a:hover::after,
.main-content a:focus::after {
	background: #F04C52;
}

a:focus,
button:focus {
	outline: none; /* don't worry, I'll redefine it */
}

a,
button,
input {
	transition: all .275s;
}

h2 {
	margin-top: 1.5em;
	font-size: 1.8em;
	font-weight: normal;
}

h3 {
	margin: 1.5em 0 .5em;
	font-size: 1.35em;
	color: #636466;
}

ul {
	list-style: none;
}

p {
	margin: 1.5em 0;
}

img {
	max-width: 100%;
	height: auto;
	-webkit-user-select: none;
	-ms-user-select: none;
	-moz-user-select: none;
	user-select: none;
}

pre.code {
	display: block;
	width: auto;
	padding: 24px;
	margin: 2em auto 3em;
	font-size: 1em;
	line-height: 1.4;
	-moz-tab-size: 4;
	tab-size: 4;
	overflow: auto;
	background: #3F3F3F;
	color: #DBDCDE;
}

@media (min-width: 1160px) {
	pre.code {
		padding: 32px;
		margin: 2em -140px 3em -140px;
	}
}

code {
	display: inline-block;
	padding: 0 4px;
	font-family: Consolas, monospace;
	font-size: 1em;
	color: #F34A4E;
	background: #FED0D1;
}

.code code {
	display: block;
	padding: 0;
	background: none;
	font-size: 1em;
}

.sr-only {
	position: absolute;
	clip: rect(1px,1px,1px,1px);
	width: 1px; height: 1px;
	overflow: hidden;
}

::-moz-selection {
	color: #F34A4E;
	background: #FED0D1;
}
::selection {
	color: #F34A4E;
	background: #FED0D1;
}

.alt ::-moz-selection {
	color: #FED0D1;
	background: #F34A4E;
}

.alt ::selection {
	color: #FED0D1;
	background: #F34A4E;
}

.button,
[class^="button-"] {
	box-sizing: border-box;
	display: inline-block;
	padding: 8px 24px;
	border: 2px solid #F04C52;
	font-size: 0.75rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	font-weight: bold;
	text-decoration: none;
	background: #F04C52;
	color: #FFF;
	border-radius: 40px;
}

.button:hover,
.button:focus,
[class^="button-"]:hover,
[class^="button-"]:focus {
	background: #FFF;
	border-color: #FFF;
	color: #F04C52;
}

.button-ghost {
	background: transparent;
	color: #F04C52;
	border-color: #F04C52;
}

.button-ghost.light {
	color: #FFF;
	border-color: #FFF;
}

.button.light {
	background: #FFF;
	color: #F04C52
}

.button-secondary {
	background: #1FA19C;
	border-color: #1FA19C;
}

.button-secondary.button-ghost {
	color: #1FA19C;
	background: #FFF;
	border-color: #1FA19C;
}

.button-secondary:hover,
.button-secondary:focus {
	color: #1FA19C;
	background: transparent;
}

/**
 * === Main margins
 */
.main-header,
.section,
.main-footer {
	padding: 20px 24px;
}

@media (min-width: 1166px) and (max-width: 480px)  {
	.main-header,
	.section,
	.main-footer {
		padding: 20px 16px;		
	}
}

/**
 * === Main layout
 */
.app {
	overflow: hidden;
}

.main-header .container {
	display: -webkit-box;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	-webkit-justify-content: space-around;
	justify-content: space-around;
	-webkit-box-align: center;
	-webkit-align-items: center;
	align-items: center;
}

@media (min-width: 760px) {
	.main-header .container {
		-webkit-justify-content: space-between;
		justify-content: space-between;
	}
}

.main-header .container > * {
	-webkit-box-flex: 0;
	-webkit-flex-grow: 0;
	flex-grow: 0;
	flex-shring: 1;
	-webkit-flex-basis: auto;
	flex-basis: auto;
}

.container {
	width: 1120px;
	max-width: 100%;
	margin: 0 auto;
}

.main-content .container {
	width: 840px; /* 960 */
}

/**
 * == Header
 */
.main-header {
	position: relative;
	z-index: 1;
}

.main-header::after {
	content: '';
	z-index: -1;
	position: absolute;
	top: calc(100% - 82px);
	bottom: -20px;
	right: -200px;
	left: -200px;
	border-radius: 100%;
	background: white;
}

.logo-wrapper {
	margin: 0;
	line-height: 1;
	font-size: 1em;
	font-weight: bold;
}

@media (max-width: 640px) {
	.logo {
		width: 170px;
	}
}

/**
 * === Main nav
 */
.main-nav {
	margin: 1em 0;
}

.main-nav ul {
	margin: 0;
	text-align: center;
}
.main-nav li {
	display: inline-block;
	margin: 0 1.25em;
}
@media (max-width: 640px) {
	.main-nav li {
		margin: 0;
	}
}
.main-nav a {
	position: relative;
	display: -webkit-box;
	display: -webkit-flex;
	display: flex; /* super vertical-alignment! */
	padding: 8px 12px;
	font-size: 0.75em;
	font-weight: bold;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: #444546;
}
.main-nav .current a {
	color: #F04C52;
}
.main-nav .current a:before,
.main-nav .current a:after {
	border-color: #F04C52;
}

.main-nav a:before,
.main-nav a:after {
	content: "";
	position: absolute;
	width: 10px;
	height: 10px;
	border: 2px solid #DDD;
	opacity: 0;
	-webkit-transition-delay: 0s, 0s;
	transition-delay: 0s, 0s;
	-webkit-transition-duration: 0.3s, 0.3s;
	transition-duration: 0.3s, 0.3s;
	-webkit-transition-property: opacity, -webkit-transform;
	transition-property: opacity, -webkit-transform;
	transition-property: transform, opacity;
	transition-property: transform, opacity, -webkit-transform;
	-webkit-transition-timing-function: cubic-bezier(.46,.01,.41,1.38);
	transition-timing-function: cubic-bezier(.46,.01,.41,1.38);
	border-radius: 2px;
}
.main-nav a:before {
	left: 0;
	top: 0;
	border-width: 2px 0 0 2px;
	-webkit-transform: translate3d(10px, 10px, 0);
	transform: translate3d(10px, 10px, 0);
}
.main-nav a:after {
	bottom: 0;
	right: 0;
	border-width: 0 2px 2px 0;
	-webkit-transform: translate3d(-10px, -10px, 0);
	transform: translate3d(-10px, -10px, 0);
}
.main-nav .current a:before,
.main-nav .current a:after,
.main-nav a:hover:before,
.main-nav a:hover:after,
.main-nav a:focus:before,
.main-nav a:focus:after {
	opacity: 1;
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}

/**
 * === Homepage content
 */

.homepage-content {
	padding: 40px 16px 80px;
	background: #F2F3F4;
}
.homepage-content .case-studies {
	display: -webkit-box;
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: space-around;
	justify-content: space-around;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	margin: 0 -16px;
}

.homepage-item {
	position: relative;
	display: -webkit-box;
	display: -webkit-flex;
	display: flex;
	width: 300px;
	max-width: 420px;
	-webkit-box-orient: vertical;
	-webkit-box-direction: normal;
	-webkit-flex-direction: column;
	flex-direction: column;
	-webkit-box-flex: 1;
	-webkit-flex-grow: 1;
	flex-grow: 1;
	-webkit-flex-shrink: 1;
	flex-shrink: 1;
	margin: 16px;
	background: #FFF;
	box-shadow: 0 2px 6px rgba(0,0,0,.05);
}

@media (min-width: 640px) {
	.homepage-item {
		-webkit-flex-basis: 40.3%;
		flex-basis: 40.3%;
	}
}

@media (min-width: 880px) {
	.homepage-item {
		-webkit-flex-basis: 30.5%;
		flex-basis: 30.5%;
	}
}

.case-studies img {
	width: 100%;
}

.homepage-item h2,
.homepage-item p {
	padding: 0 25px;
}

.homepage-item h2 {
	margin-top: 1em;
}

.hi-thumbnail {
	overflow: hidden;
	line-height: 0.6;
}

.hi-title {
	margin-bottom: 0;
	font-size: 1.25rem;
}

.hi-title a {
	color: inherit;
}

.hi-title a:hover,
.hi-title a:focus {
	color: #F04C52;
}

.hi-title a::before {
	content: '';
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	transition: box-shadow .275s;
}

.homepage-item:hover a::before,
.homepage-item a:focus::before {
	box-shadow: 0 24px 24px -24px rgba(0,0,0,.25);
}

.hi-desc {
	margin-bottom: 1.25rem;
	font-size: 0.9375rem;
}

.hi-desc span {
	position: relative;
}

.hi-link {
	margin: auto 0 1.75rem;
}
.hi-link a {
	position: relative;
}

/**
 * === Pages
 */
.page-title {
	margin: 1.5rem auto;
	text-align: center;
	color: #F04C52;
}

.page-content .page-title {
	margin-bottom: 1em;
}

@media (max-width: 680px) {
	.page-content .main-content {
		padding: 0;
	}
}

.page-catchphrase {
	margin: 1.5rem auto 2.5rem;
	color: #434446;
	text-align: center;
	width: 680px;
	max-width: 100%;
}

.section-primary {
	padding: 55px 20px;
	background: #FED0D1;
	color: #F34A4E;
}

.section-primary .container > :first-child {
	margin-top: 0;
}

.section-primary .container > :last-child {
	margin-bottom:  0;
}

.text-center {
	text-align: center;
}

/**
 * Social Networks
 */
.stl-subtitle {
	margin: -1em 0 1.5em;
}

.social-networks li {
	display: inline-block;
	margin: 1em 0.5em;
	vertical-align: middle;
}
.social-networks a {
	display: -webkit-inline-box;
	display: inline-flex;
	width: 60px; height: 60px;
	-webkit-box-pack: center;
	justify-content: center;
	-webkit-box-align: center;
	align-items: center;
	vertical-align: middle;
	text-align: center;
	background: #FFF;
	border-radius: 50%;
	box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.social-networks a,
.social-networks img {
	transition: all .275s;
	will-change: transform;
}
.social-networks a:hover,
.social-networks a:focus {
	transform: scale(1.15);
}
.social-networks a:hover img,
.social-networks a:focus img {
	transform: scale(0.7);
}

/**
 * == Demos content
 */
.demo-page-content {
	margin-bottom: 3em;
}

.demo-header,
.main-content {
	padding: 35px 20px;
}

.demo-header {
	padding-bottom: 0;
}

.demo-header {
	position: relative;
	background: #F34A4E;
	text-align: center;
}

.demo-title {
	position: relative;
	z-index: 1;
	margin: 0 0 -.5em;
	color: #FED0D1;
	font-weight: 300;
	font-size: 1.75em;
}

@media (min-width: 640px) {
	.demo-title {
		font-size: 3em;
		margin: 0 0 -1em;
	}
}

.demo-image {
	margin: 0 auto -0.75em;
	display: block;
}

.demo-links {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	width: 640px;
	max-width: 100%;
	margin: 0;
	padding-bottom: 2.75em;
}

@media (min-width: 480px) {
	.demo-links {
		margin: -0.5em 0 0 0;
	}
}

.demo-links a {
	min-width: 200px;
	margin: 0.5em 1em;
	font-size: 0.875em;
}
.demo-links .button {
	border: 2px solid #FED0D1;
	background: #FED0D1;
	color: #F34A4E;
}
.demo-links .button-ghost {
	border: 2px solid #FED0D1;
	color: #FED0D1;
}

/* Alt color */
.alt .demo-header {
	background: #FED0D1;
}
.alt .demo-title {
	color: #F34A4E;
}
.alt .demo-links .button {
	border: 2px solid #F34A4E;
	background: #F34A4E;
	color: #FED0D1;
}
.alt .demo-links .button-ghost {
	border: 2px solid #F34A4E;
	color: #F34A4E;
}
.demo-links .button-ghost:hover,
.demo-links .button-ghost:focus,
.demo-header .demo-links .button:hover,
.demo-header  .demo-links .button:focus {
	border-color: #FFF;
	background-color: #FFF;
	color: #F34A4E;
}

.main-content blockquote {
	position: relative;
	margin: 0;
	padding: 1.5em 0 1.5em 2em;
	font-size: 1.2em;
	font-style: italic;
	color: #888;
}
.main-content blockquote:before {
	content: '“';
	position: absolute;
	z-index: -1;
	top: -0.25em; left: -0.275em;
	font-size: 10em;
	color: #eee;
	font-family: Georgia, Times, serif;
}
@media (min-width: 640px) {
	.main-content blockquote {
		padding-left: 6.75em;
	}
	.main-content blockquote:before {
		top: -0.375em; left: -0.1em;
		font-size: 20em;
	}
}
blockquote .source:before {
	content: "— ";
	color: #ddd;
}

.main-content ul,
.main-content ol {
	margin: 2em 0;
}
.main-content li {
	position: relative;
	padding-left: 1.8em;
	margin: 0.5em 0;
}
.main-content ul li:before {
	position: absolute;
	left: 0; top: 0;
	content: "—";
	color: #F34A4E;
}

/**
 * How to learn page
 */

.list-books {
	padding: 0;
	margin: 1em -16px 3em;
}

.list-books li {
	display: inline-block;
	padding: 24px;
	margin: 32px 16px;
	text-align: center;
	background: #FFF;
	box-shadow: 0 16px 16px -16px rgba(0, 0, 0, .1), 0 0 4px 0 rgba(0, 0, 0, .1);
}

.list-books figure {
	margin: 0;
	padding: 0;
}

.list-books figcaption {
	margin-top: 8px;
	color: #434446;
}

.list-books figcaption span {
	display: block;
	font-weight: bold;
}

/**
 * Twitter Wall
 */

.twitter-wall {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	margin: 0 -12px;
	justify-content: center;
}

@media (min-width: 1040px) {
	.twitter-wall {
		margin: 0 -100px;
	}
}

.twitter-tweet {
	width: calc(50% - 24px)!important;
	flex-basis: calc(50% - 24px);
	flex-shrink: 1;
	flex-grow: 1;
	margin: 0 12px 8px 12px;
}

/**
 * === Footer
 */
.main-footer {
	font-size: 0.875rem;
	background: #434446;
	color: #DBDCDE;
	text-align: center;
}
.main-footer a {
	color: inherit;
	border-bottom: 1px solid rgba(255,255,255,.25);
}
.main-footer a:hover,
.main-footer a:focus {
	color: #fff;
	border-color: #FFF;
	text-decoration: none;
}