/* Book section — Coming Soon layout */

.book {
	position: relative;
	padding-block: var(--space-3xl);
	background-color: var(--color-bg-light);
	overflow: hidden;
	isolation: isolate;
}

.book--coming-soon {
	background-image: radial-gradient(rgba(17, 17, 17, 0.07) 1px, transparent 1px);
	background-size: 18px 18px;
}

.book__backdrop {
	position: absolute;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	overflow: hidden;
}

.book__watermark {
	position: absolute;
	top: 50%;
	left: 50%;
	width: max-content;
	max-width: none;
	color: rgba(17, 17, 17, 0.045);
	font-size: clamp(4.5rem, 16vw, 11rem);
	font-weight: var(--fw-bold);
	letter-spacing: -0.06em;
	line-height: 0.9;
	text-transform: uppercase;
	white-space: nowrap;
	transform: translate(-50%, -50%) rotate(-8deg);
	user-select: none;
}

.book__glow {
	position: absolute;
	border-radius: 50%;
	filter: blur(80px);
	opacity: 0.45;
}

.book__glow--blue {
	top: -5rem;
	left: -3rem;
	width: min(26rem, 55vw);
	height: min(26rem, 55vw);
	background: var(--tag-blue);
}

.book__glow--green {
	bottom: -4rem;
	right: -2rem;
	width: min(22rem, 48vw);
	height: min(22rem, 48vw);
	background: var(--tag-green);
	opacity: 0.35;
}

.book__inner {
	position: relative;
	z-index: 1;
}

.book__panel {
	display: grid;
	gap: var(--space-2xl);
	align-items: center;
	padding: clamp(1.25rem, 3vw, 2rem);
	border: 1px solid rgba(17, 17, 17, 0.08);
	border-radius: clamp(1.25rem, 3vw, 2rem);
	background:
		linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(234, 234, 236, 0.55));
	box-shadow:
		0 1.25rem 3rem rgba(17, 17, 17, 0.08),
		inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.book__visual {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-md);
	min-width: 0;
}

.book__visual-frame {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: min(100%, 16rem);
	aspect-ratio: 3 / 4;
	border-radius: clamp(1rem, 2.5vw, 1.35rem);
	background:
		linear-gradient(160deg, var(--color-bg-gray) 0%, #dfe0e4 100%);
	box-shadow:
		0 1.5rem 3rem rgba(17, 17, 17, 0.12),
		inset 0 0 0 1px rgba(255, 255, 255, 0.65);
	overflow: hidden;
}

.book__visual-frame::before {
	content: '';
	position: absolute;
	inset: 0 auto 0 0;
	width: 0.65rem;
	background: linear-gradient(
		90deg,
		rgba(17, 17, 17, 0.14),
		rgba(17, 17, 17, 0.03) 70%,
		transparent
	);
}

.book__visual-watermark {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;
	color: rgba(17, 17, 17, 0.08);
	font-size: clamp(1.35rem, 4vw, 2rem);
	font-weight: var(--fw-bold);
	letter-spacing: -0.04em;
	line-height: 1;
	text-align: center;
	text-transform: uppercase;
	transform: rotate(-12deg);
	user-select: none;
}

.book__visual-icon {
	position: relative;
	z-index: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 5.5rem;
	height: 5.5rem;
	border-radius: var(--radius-full);
	background: rgba(255, 255, 255, 0.72);
	color: rgba(17, 17, 17, 0.35);
	box-shadow: 0 0.75rem 1.5rem rgba(17, 17, 17, 0.08);
}

.book__status {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.55rem 1rem 0.55rem 0.75rem;
	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;
}

.book__status-dot {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: var(--radius-full);
	background-color: var(--tag-green);
	box-shadow: 0 0 0.65rem rgba(215, 227, 107, 0.75);
	animation: ri-soon-pulse 2.4s ease-in-out infinite;
}

.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 {
	margin: 0;
	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);
}

@keyframes ri-soon-pulse {
	0%,
	100% {
		opacity: 1;
		transform: scale(1);
	}

	50% {
		opacity: 0.55;
		transform: scale(0.88);
	}
}

@media (max-width: 767px) {
	.book {
		padding-block: var(--space-xl) var(--space-2xl);
	}

	.book__panel {
		gap: var(--space-xl);
	}

	.book__content {
		align-items: center;
		max-width: none;
		text-align: center;
	}

	.book__visual-frame {
		width: min(62vw, 13.5rem);
	}
}

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

	.book__panel {
		grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
		gap: clamp(var(--space-2xl), 6vw, 5rem);
		padding: clamp(1.5rem, 3vw, 2.5rem);
	}

	.book__visual {
		justify-self: center;
	}
}

@media (prefers-reduced-motion: reduce) {
	.book__status-dot {
		animation: none;
	}
}