:root {
	--accent: #2337ff;
	--black: 15, 18, 25;
	--gray: 96, 115, 159;
	--gray-light: 229, 233, 240;
	--gray-dark: 34, 41, 57;
	--gray-gradient: rgba(var(--gray-light), 50%), #fff;
}

@font-face {
	font-family: "Atkinson";
	src: url("assets/fonts/atkinson-regular.woff") format("woff");
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}

@font-face {
	font-family: "Atkinson";
	src: url("assets/fonts/atkinson-bold.woff") format("woff");
	font-weight: 700;
	font-style: normal;
	font-display: swap;
}

* {
	box-sizing: border-box;
}

body {
	min-height: 100vh;
	margin: 0;
	display: flex;
	flex-direction: column;
	font-family: "Atkinson", sans-serif;
	text-align: left;
	background: linear-gradient(var(--gray-gradient)) no-repeat;
	background-size: 100% 600px;
	color: rgb(var(--gray-dark));
	font-size: 20px;
	line-height: 1.7;
}

.site-header {
	padding: 0 1em;
	background: #fff;
	box-shadow: 0 2px 8px rgba(var(--black), 5%);
}

.site-nav {
	min-height: 3.5em;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.site-nav a {
	padding: 1em 0.5em;
	color: rgb(var(--black));
	border-bottom: 4px solid transparent;
	text-decoration: none;
}

.site-nav .site-title {
	font-size: 1em;
	font-weight: 700;
}

.site-nav a.active {
	border-bottom-color: var(--accent);
	font-weight: 700;
}

main {
	width: 720px;
	max-width: calc(100% - 2em);
	margin: 0 auto;
	padding: 3em 1em;
	flex: 1;
}

h1 {
	margin: 0 0 0.5rem;
	color: rgb(var(--black));
	font-size: 3.052em;
	line-height: 1.2;
}

p {
	margin-bottom: 1em;
}

.site-footer {
	padding: 2em 1em 6em;
	background: linear-gradient(var(--gray-gradient)) no-repeat;
	color: rgb(var(--gray));
	text-align: center;
}

@media (max-width: 720px) {
	body {
		font-size: 18px;
	}

	main {
		padding: 2em 1em;
	}

	h1 {
		font-size: 2.25em;
	}
}