.mosaic-hb {
	--mosaic-hb-bg: var(--mosaic-color-primary, #2b4acb);
	--mosaic-hb-cover: rgba(15, 25, 60, 0.88);
}

.mosaic-hb__box {
	position: relative;
	display: flex;
	align-items: flex-end;
	block-size: var(--mosaic-hb-h, 20rem);
	overflow: hidden;
	border-radius: 1rem;
	background: var(--mosaic-hb-bg);
	color: #fff;
	text-decoration: none;
}

.mosaic-hb__box:focus-visible {
	outline: 3px solid var(--mosaic-color-primary, #2b4acb);
	outline-offset: 3px;
}

.mosaic-hb__img {
	position: absolute;
	inset: 0;
	inline-size: 100%;
	block-size: 100%;
	object-fit: cover;
}

.mosaic-hb__front {
	position: relative;
	z-index: 1;
	display: block;
	inline-size: 100%;
	padding: 3rem 1.25rem 1.1rem;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent);
}

.mosaic-hb__title {
	display: block;
	font-size: 1.3rem;
	font-weight: 700;
}

.mosaic-hb__sub {
	display: block;
	opacity: 0.85;
}

.mosaic-hb__cover {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: center;
	gap: 1rem;
	padding: 1.5rem;
	background: var(--mosaic-hb-cover);
	opacity: 0;
	transition: opacity 0.35s ease, transform 0.35s ease;
}

.mosaic-hb--up .mosaic-hb__cover { transform: translateY(100%); opacity: 1; }
.mosaic-hb--down .mosaic-hb__cover { transform: translateY(-100%); opacity: 1; }
.mosaic-hb--start .mosaic-hb__cover { transform: translateX(-100%); opacity: 1; }
.mosaic-hb--end .mosaic-hb__cover { transform: translateX(100%); opacity: 1; }
.mosaic-hb--zoom .mosaic-hb__cover { transform: scale(0.7); }

[dir="rtl"] .mosaic-hb--start .mosaic-hb__cover { transform: translateX(100%); }
[dir="rtl"] .mosaic-hb--end .mosaic-hb__cover { transform: translateX(-100%); }

.mosaic-hb__box:hover .mosaic-hb__cover,
.mosaic-hb__box:focus-within .mosaic-hb__cover,
.mosaic-hb__box:focus .mosaic-hb__cover {
	opacity: 1;
	transform: none;
}

.mosaic-hb__text {
	display: block;
}

.mosaic-hb__button {
	display: inline-block;
	padding: 0.6rem 1.2rem;
	border-radius: 0.5rem;
	background: #fff;
	color: #111;
	font-weight: 600;
	text-decoration: none;
}

/* Touch screens have no hover: the text is shown under the title instead. */
@media (hover: none) {
	.mosaic-hb__cover {
		position: relative;
		z-index: 1;
		inset: auto;
		padding: 0 1.25rem 1.1rem;
		background: transparent;
		opacity: 1 !important;
		transform: none !important;
	}

	.mosaic-hb__box {
		flex-direction: column;
		align-items: stretch;
		justify-content: flex-end;
	}

	.mosaic-hb__front {
		padding-block-end: 0.4rem;
		background: none;
	}

	.mosaic-hb__img {
		z-index: 0;
	}

	.mosaic-hb__box::before {
		position: absolute;
		inset: 0;
		background: rgba(0, 0, 0, 0.45);
		content: "";
	}
}

@media (prefers-reduced-motion: reduce) {
	.mosaic-hb__cover {
		transition: none;
	}
}