* {
	margin: 0;
	padding: 0;
	border: 0;
}

html {
	font-size: 18px;
}

body {
	color: #213540;
	background-color: #FFF;
	background-color: #52c4eb;
	background: linear-gradient(to right, #219cd4, #52c4eb);
	font-family: 'Quicksand', sans-serif;
	-webkit-text-size-adjust: none;
}

h1, h2, h3, h4, p, form, .column > span > span {
	margin: 0.3rem 1rem;
}

.column > span > span {
	display: inline-block;
}

h1, h2, h3, h4 {
	color: #0081b5;
	font-weight: normal;
	line-height: 1.2em;
	margin-top: 1.8rem;
}

h1, h2 {
	font-size: 2.3rem;
}

h1 {
	margin-top: 2em;
	margin-bottom: 0.8rem;
}

h3 {
	font-size: 1.4rem;
	margin-top: 2em;
	margin-bottom: 0.5rem;
}

h4 {
	font-size: 1rem;
}

p {
	max-width: 36em;
	line-height: 1.4em;
	margin-bottom: 0.9rem;
}

.sub {
	font-size: 0.8em;
	color: #596e7a;
}

p.sub {
	margin-top: 0.3rem;
	margin-right: 0;
}

a {
	color: #007ae1;
}

a:hover {
	color: #0081b5;
	text-decoration: none;
}

a:active {
	color: #213540;
}

article, footer, header, nav, section {
	display: block;
}

footer {
	color: #00C6F0;
	background-color: #000;
	margin-bottom: 20px;
}

footer section {
	padding-top: 4rem;
	padding-bottom: 5rem;
}

footer h4 {
	color: #FFF;
}

footer a {
	color: #00C6F0;
}

footer a:hover {
	color: #FFF;
}

#header, #hero {
	background-color: #52c4eb;
	background: linear-gradient(to right, #219cd4, #52c4eb);
}

#hero {
	padding-bottom: 2rem;
}

#logo {
	margin: 2.9rem 0.9rem 0.7rem 0.2rem;
	height: 2.8rem; 
}

#header p,
#hero p {
	font-size: 2.1rem;
	line-height: 1.4em;
	margin-top: 0.5rem;
	margin-bottom: 0.9rem;
	color: #FFF;
}

.app-cover {
	padding-top: 0.5rem;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-template-rows: auto;
	grid-template-areas: 
		"name name name icon"
		"image image image image ";
}

.odd {
	background-color: #fff;
	border-bottom: 1px solid #fff;
}

.odd .app-cover {
	background-color: #e3efef;
	background: radial-gradient(circle at center bottom, #e3efef 30%, #FFF 45%);
}

.even {
	background-color: #edf5f5;
	border-bottom: 1px solid #edf5f5;
}

.even .app-cover {
	background-color: #fff;
	background: radial-gradient(circle at center bottom, #ddebeb 30%, #edf5f5 45%);
}

.app-name {
	grid-area: name;
	align-self: center;
}

.app-icon {
	grid-area: icon;
	align-self: center;
	justify-self: right;
}

.app-icon img {
	width: 90%;
	max-width: 100px;
}

.app-image {
	grid-area: image;
	align-self: end;
	justify-self: center;
}

.app-image img {
	display: block;
	width: 320px;
}

.column {
	display: grid;
	grid-template-rows: auto;
}

.one-column {
	grid-template-columns: 1fr;
	grid-template-areas: 
		"left"
}

.two-column {
	grid-template-columns: 1fr;
	grid-template-areas: 
		"left"
		"right";
}

.column-a {
	grid-area: left;
}

.column-b {
	grid-area: right;
}

.go-to-iTunes a {
	width: 135px;
	display: block;
	margin: 1rem auto 2rem auto;
}

.go-to-iTunes img {
	width: 135px;
	height: 40px;
}

p.attention {
	background-color: #fff6b8;
	padding: 1em;

}

#plan4 img {
	width: 168px;
	height: 59px;
}

#monomonnik img {
	width: 275px;
	height: 59px;
}

#finiware img {
	width: 150px;
	height: 59px;
}

@media only screen and (min-width: 480px) {
	h1, h2, h3, h4, p, form, .column > span > span {
		margin-left: 1.5rem;
		margin-right: 1.5rem;
	}
	.app-cover {
		padding-top: 2rem;
		background: radial-gradient(circle at center bottom, #e3efef 45%, #FFF 92%);
	}
	.app-icon img {
		margin-top: 1rem;
		margin-right: 1.5rem;
	}
	#header p,
	#hero p {
		font-size: 2.8rem;
		line-height: 1.3em;
	}
}

@media only screen and (min-width: 640px) {
	h1, h2, h3, h4, p, form, .column > span > span {
		margin-left: 2rem;
		margin-right: 2rem;
	}
	article {
		padding-bottom: 2rem;
	}
	.app-cover {
		padding-top: 4rem;
		background: radial-gradient(circle at center bottom, #e3efef 30%, #FFF 85%);
	}
	.app-icon img {
		margin-right: 2rem;
	}
	#hero {
		padding-bottom: 4rem;
	}
}

@media only screen and (min-width: 840px) {
	h1, h2, h3, h4, p, form, .column > span > span {
		margin-left: 3rem;
		margin-right: 3rem;
	}
	.app-icon img {
		margin-right: 3rem;
	}
	#header p,
	#hero p {
		font-size: 3.2rem;
		line-height: 1.3em;
	}
	.app-cover {
		grid-template-columns: repeat(3, 1fr);
		grid-template-rows: auto;
		grid-template-areas: 
			"name image icon"
			". image ."
	}
	.app-image img {
		margin-top: 2rem;
	}
	.one-column {
		grid-template-columns: 1.4fr 0.6fr;
		grid-template-areas: 
			"left right";
	}
	.two-column {
		grid-template-columns: 1fr 1fr;
		grid-template-areas: 
			"left right";
	}
	.column-a h3,
	.column-a h4,
	.column-a p {
		margin-right: 1.1rem;
	}
	.column-b h3,
	.column-b h4,
	.column-b p {
		margin-left: 1.1rem;
	}
}

@media only screen and (min-width: 960px) {
	h1, h2, h3, h4, p, form, .column > span > span {
		margin-left: 4rem;
		margin-right: 4rem;
	}
	.app-icon img {
		margin-right: 4rem;
	}
	#hero {
		padding-bottom: 6rem;
	}
	#header p,
	#hero p {
		font-size: 3.8rem;
		line-height: 1.3em;
	}
}

@media only screen and (min-width: 1280px) {
	h1, h2, h3, h4, p, form, .column > span > span {
		margin-left: 0;
	}
	h2 {
		font-size: 2.3rem;
	}

	h3 {
		font-size: 1.6rem;
	}
	.app-icon img {
		margin-left: 4rem;
		margin-right: 0;
	}
	#header,
	#hero {
		margin-top: 1rem;
		margin-bottom: 2rem;
	}
	#header p,
	#hero p {
		width: 1120px;
		margin-left: auto;
		margin-right: auto;
	}
	.app-cover {
		grid-template-columns: auto 370px 370px 370px auto;
		grid-template-areas: 
			". name image icon ."
			". . image . .";
		grid-column-gap: 5px;
	}
	.one-column {
		grid-template-columns: auto 650px 470px auto;
		grid-template-areas: 
			". left right .";
	}
	.two-column {
		grid-template-columns: auto 510px 510px auto;
		grid-template-areas: 
			". left right .";
		grid-column-gap: 100px;
	}
}