:root {
	--color-background: #f7f5f0;
	--color-foreground: #1b1a17;
	--color-muted: #6b6459;
	--color-surface: #efebe2;
	--color-accent: #c1502e;

	--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-heading: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;

	--content-width: 720px;
	--wide-width: 1200px;
}

* {
	box-sizing: border-box;
}

html {
	background: var(--color-background);
}

body {
	margin: 0;
	background: var(--color-background);
	color: var(--color-foreground);
	font-family: var(--font-body);
	font-size: 1.125rem;
	line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	font-weight: 400;
	line-height: 1.15;
	color: var(--color-foreground);
}

a {
	color: var(--color-accent);
	text-decoration: underline;
}

a:hover {
	color: var(--color-foreground);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

.wrap {
	max-width: var(--wide-width);
	margin: 0 auto;
	padding: 0 1.5rem;
}

.content {
	max-width: var(--content-width);
	margin: 0 auto;
	padding: 0 1.5rem;
}

/* Header */

.site-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 1rem;
	padding: 1.5rem 0;
}

.site-title {
	font-family: var(--font-heading);
	font-size: 1.5rem;
	color: var(--color-foreground);
	text-decoration: none;
}

.site-nav {
	display: flex;
	gap: 1.5rem;
	flex-wrap: wrap;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav a {
	color: var(--color-foreground);
	text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
	color: var(--color-accent);
}

/* Hero */

.hero {
	padding: 5rem 0;
}

.hero h1 {
	font-size: clamp(2.5rem, 2.5rem + 1.8vw, 3.5rem);
	margin: 0 0 1.5rem;
	max-width: 900px;
}

.hero p {
	font-size: clamp(1.25rem, 1.25rem + 0.5vw, 1.5rem);
	color: var(--color-muted);
	max-width: 700px;
	margin: 0 0 1.5rem;
}

.hero p i,
.book-eyebrow i {
	font-style: italic;
}

/* Buttons */

.buttons {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

.button {
	display: inline-block;
	padding: 0.667em 1.333em;
	border-radius: 2px;
	background: var(--color-foreground);
	color: var(--color-background);
	text-decoration: none;
	font-size: 1.125rem;
}

.button:hover {
	background: var(--color-accent);
	color: var(--color-background);
}

.button.outline {
	background: transparent;
	color: var(--color-foreground);
	border: 2px solid currentColor;
	padding: calc(0.667em - 2px) calc(1.333em - 2px);
}

.button.outline:hover {
	color: var(--color-accent);
}

/* Books grid */

.section-heading {
	margin-bottom: 0.25rem;
}

.section-intro {
	color: var(--color-muted);
	margin-bottom: 2rem;
}

.books-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 2rem;
	padding: 0 0 5rem;
}

@media (max-width: 700px) {
	.books-grid {
		grid-template-columns: 1fr;
	}
}

.book-card {
	display: block;
	text-decoration: none;
	color: inherit;
}

.book-card img {
	border-radius: 2px;
	aspect-ratio: 2 / 3;
	object-fit: cover;
	width: 100%;
}

.book-card h3 {
	font-size: 1.125rem;
	margin: 0.75rem 0 0.25rem;
	color: var(--color-accent);
}

.book-card p {
	font-size: 0.875rem;
	color: var(--color-muted);
	margin: 0;
}

/* Single book page */

.book-page {
	display: grid;
	grid-template-columns: 33% 1fr;
	gap: 3rem;
	padding: 2rem 0 4rem;
}

.book-page img {
	border-radius: 2px;
}

.book-eyebrow {
	color: var(--color-muted);
}

.book-tagline {
	font-size: 1.125rem;
	color: var(--color-accent);
	margin-top: 0.5rem;
}

.book-meta {
	font-size: 0.875rem;
	color: var(--color-muted);
	margin-top: 2rem;
}

@media (max-width: 700px) {
	.book-page {
		grid-template-columns: 1fr;
	}
}

/* About page */

.about-page {
	display: grid;
	grid-template-columns: 33% 1fr;
	gap: 3rem;
	padding: 2rem 0 4rem;
}

.about-page img {
	border-radius: 2px;
}

@media (max-width: 700px) {
	.about-page {
		grid-template-columns: 1fr;
	}
}

/* Generic page */

.page {
	padding: 2rem 0 4rem;
}

/* Footer */

.site-footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 0.5rem;
	padding: 3rem 0;
	margin-top: 3rem;
	border-top: 1px solid var(--color-surface);
	font-size: 0.875rem;
	color: var(--color-muted);
}

.site-footer a {
	color: var(--color-muted);
}