/* Book section — single product, cover left / copy right */

.book {
	padding-block: var(--space-3xl);
	background-color: var(--color-bg-light);
	background-image: radial-gradient(rgba(17, 17, 17, 0.07) 1px, transparent 1px);
	background-size: 18px 18px;
}

.book__inner {
	display: grid;
	gap: var(--space-2xl);
	align-items: center;
}

.book__media {
	display: flex;
	justify-content: center;
}

.book__cover {
	position: relative;
	margin: 0;
	width: min(100%, 18rem);
	aspect-ratio: 3 / 4;
	border-radius: var(--radius-md);
	background-color: var(--color-bg-gray);
	box-shadow:
		0 1.5rem 3rem rgba(17, 17, 17, 0.12),
		0 0.35rem 0.85rem rgba(17, 17, 17, 0.08);
	overflow: hidden;
}

.book__cover::before {
	content: '';
	position: absolute;
	inset: 0 auto 0 0;
	width: 0.55rem;
	background: linear-gradient(
		90deg,
		rgba(17, 17, 17, 0.18),
		rgba(17, 17, 17, 0.04) 55%,
		transparent
	);
	z-index: 1;
	pointer-events: none;
}

.book__cover-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.book__content {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--space-md);
	max-width: 34rem;
}

.book__label {
	display: inline-flex;
	align-items: center;
	min-height: 1.75rem;
	padding: var(--space-xs) var(--space-md);
	border-radius: var(--radius-full);
	background-color: var(--color-bg-gray);
	color: var(--color-text-dark);
	font-size: var(--fs-small);
	font-weight: var(--fw-medium);
	line-height: 1;
}

.book__heading {
	font-size: var(--fs-h2);
	font-weight: var(--fw-bold);
	letter-spacing: -0.04em;
	line-height: 1.1;
	color: var(--color-text-dark);
}

.book__description {
	color: var(--color-text-muted);
	font-size: clamp(1rem, 1.4vw, 1.125rem);
	line-height: 1.65;
}

.book__description p {
	margin: 0;
}

.book__description p + p {
	margin-top: var(--space-md);
}

.book__price {
	margin: var(--space-xs) 0 0;
	font-size: var(--fs-h3);
	font-weight: var(--fw-medium);
	letter-spacing: -0.02em;
	color: var(--color-text-dark);
}

.book__price del {
	margin-right: 0.4rem;
	opacity: 0.45;
	font-weight: var(--fw-regular);
}

.book__cta {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	margin-top: var(--space-sm);
	padding: 0.6rem 0.6rem 0.6rem 1.35rem;
	border-radius: var(--radius-full);
	background-color: var(--color-bg-dark);
	color: var(--color-text-light);
	font-size: var(--fs-small);
	font-weight: var(--fw-medium);
	line-height: 1.2;
	transition: opacity var(--transition-fast);
}

.book__cta:hover,
.book__cta:focus-visible {
	opacity: 0.88;
}

.book__cta--disabled {
	opacity: 0.45;
	cursor: not-allowed;
	pointer-events: none;
}

.book__cta-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border-radius: var(--radius-full);
	background-color: var(--color-bg-light);
	color: var(--color-text-dark);
	flex-shrink: 0;
}

@media (min-width: 768px) {
	.book {
		padding-block: 5rem;
	}

	.book__inner {
		grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
		gap: clamp(var(--space-2xl), 6vw, 5rem);
	}

	.book__media {
		justify-content: flex-end;
	}

	.book__cover {
		width: min(100%, 22rem);
	}
}

@media (min-width: 1024px) {
	.book__cover {
		width: min(100%, 24rem);
	}
}