/*
 * Logo grid block (acf/logo-grid).
 *
 * Plain CSS on purpose: style.css is pre-compiled Tailwind without its source,
 * so new utility classes cannot be generated. Loaded only where the block is
 * used, see inc/gutenberg-blocks/logo-grid.php.
 *
 * Mobile shows two logos per row, from 768px the column count chosen in the
 * block (3, 4 or 5). An incomplete last row is centred.
 */

.c-logo-grid {
	/* Opaque on purpose: the cell edges overlap, and a translucent colour
	   would turn every shared edge darker. */
	--logo-grid-line: rgb(219 219 219);
	--logo-grid-cols: 2;
}

.c-logo-grid__header {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	margin-bottom: 1.5rem;
}

.c-logo-grid__title {
	margin: 0;
}

.c-logo-grid__intro {
	margin: 0;
	font-size: 1rem;
	line-height: 1.4;
}

.c-logo-grid__list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	margin: 0;
	padding: 0;
	list-style: none;
}

/*
 * Each cell draws its right and bottom edge plus an inset top and left edge.
 * Neighbouring cells overlap those lines, so every line stays 1px wide, and a
 * centred last row still gets a closed frame.
 */
.c-logo-grid__item {
	box-sizing: border-box;
	flex: 0 0 calc(100% / var(--logo-grid-cols));
	max-width: calc(100% / var(--logo-grid-cols));
	margin: 0;
	padding: 0;
	box-shadow:
		1px 0 0 0 var(--logo-grid-line),
		0 1px 0 0 var(--logo-grid-line),
		1px 1px 0 0 var(--logo-grid-line),
		1px 0 0 0 var(--logo-grid-line) inset,
		0 1px 0 0 var(--logo-grid-line) inset;
}

.c-logo-grid__link {
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 3 / 2;
	padding: 1.5rem;
	transition: opacity 0.2s ease;
}

a.c-logo-grid__link:hover,
a.c-logo-grid__link:focus-visible {
	opacity: 0.7;
}

.c-logo-grid__image {
	display: block;
	width: auto;
	height: auto;
	max-width: 75%;
	max-height: 100%;
	object-fit: contain;
}

/* Safe SVG can leave an SVG without intrinsic size; give it room to scale. */
.c-logo-grid__image[src$=".svg"] {
	width: 75%;
	height: 100%;
}

@media (min-width: 768px) {
	.c-logo-grid__header {
		flex-direction: row;
		align-items: flex-end;
		justify-content: space-between;
		gap: 2rem;
	}

	.c-logo-grid__intro {
		max-width: 50%;
		font-size: 0.875rem;
	}

	.c-logo-grid--cols-3 {
		--logo-grid-cols: 3;
	}

	.c-logo-grid--cols-4 {
		--logo-grid-cols: 4;
	}

	.c-logo-grid--cols-5 {
		--logo-grid-cols: 5;
	}

	.c-logo-grid--cols-5 .c-logo-grid__link {
		padding: 1rem;
	}
}