/* AI Related Posts — Frontend (BEM: airp-) */

.airp-related {
	--airp-accent: #2271b1;
	--airp-radius: 12px;
	--airp-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
	--airp-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
	margin: 2.5rem 0;
	padding: 2rem 0 0;
	border-top: 1px solid rgba(0, 0, 0, 0.08);
	clear: both;
}

.airp-related__header {
	margin-bottom: 1.5rem;
}

.airp-related__title {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	font-size: clamp(1.25rem, 2.5vw, 1.6rem);
	font-weight: 700;
	margin: 0 0 0.35rem;
	line-height: 1.3;
	color: #1a1a1a;
}

.airp-related__title-icon {
	display: inline-block;
	width: 4px;
	height: 1.4em;
	background: var(--airp-accent);
	border-radius: 2px;
	flex-shrink: 0;
}

.airp-related__subtitle {
	margin: 0;
	font-size: 0.9rem;
	color: #666;
	line-height: 1.5;
}

/* Grid layouts */
.airp-related__grid {
	display: grid;
	gap: 1.25rem;
}

.airp-related__grid--cols-1 { grid-template-columns: 1fr; }
.airp-related__grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.airp-related__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.airp-related__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }

/* List layout */
.airp-related--list .airp-related__grid {
	grid-template-columns: 1fr;
	gap: 0.75rem;
}

.airp-related--list .airp-related__link {
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 0;
}

.airp-related--list .airp-related__image-wrap {
	aspect-ratio: auto;
	height: 130px;
}

.airp-related--list .airp-related__content {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

/* Compact layout */
.airp-related--compact .airp-related__grid {
	grid-template-columns: 1fr;
	gap: 0;
	border: 1px solid #e8e8e8;
	border-radius: var(--airp-radius);
	overflow: hidden;
}

.airp-related--compact .airp-related__card {
	border: none;
	border-radius: 0;
	border-bottom: 1px solid #e8e8e8;
	box-shadow: none;
}

.airp-related--compact .airp-related__card:last-child {
	border-bottom: none;
}

.airp-related--compact .airp-related__link {
	display: grid;
	grid-template-columns: 72px 1fr;
}

.airp-related--compact .airp-related__image-wrap {
	aspect-ratio: 1;
	height: 72px;
}

.airp-related--compact .airp-related__excerpt {
	display: none;
}

.airp-related--compact .airp-related__card:hover {
	transform: none;
	background: #f8f9fa;
}

/* Cards */
.airp-related__card {
	border: 1px solid #e8e8e8;
	border-radius: var(--airp-radius);
	overflow: hidden;
	background: #fff;
	box-shadow: var(--airp-shadow);
	transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s;
}

.airp-related__card:hover {
	box-shadow: var(--airp-shadow-hover);
	transform: translateY(-3px);
	border-color: color-mix(in srgb, var(--airp-accent) 30%, #e8e8e8);
}

.airp-related__link {
	display: block;
	text-decoration: none;
	color: inherit;
	height: 100%;
}

.airp-related__image-wrap {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: #f0f0f1;
	position: relative;
}

.airp-related__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.4s ease;
}

.airp-related__card:hover .airp-related__image {
	transform: scale(1.04);
}

.airp-related__image-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #b0b0b0;
	background: linear-gradient(135deg, #f5f5f5 0%, #ebebeb 100%);
}

.airp-related__content {
	padding: 1rem 1.15rem 1.15rem;
}

.airp-related__category {
	display: inline-block;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--airp-accent);
	margin-bottom: 0.45rem;
}

.airp-related__card-title {
	font-size: 1.05rem;
	font-weight: 650;
	margin: 0 0 0.5rem;
	line-height: 1.35;
	color: #1a1a1a;
	transition: color 0.2s;
}

.airp-related__link:hover .airp-related__card-title {
	color: var(--airp-accent);
}

.airp-related__excerpt {
	font-size: 0.875rem;
	line-height: 1.55;
	color: #555;
	margin: 0 0 0.75rem;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.airp-related__meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	margin-top: auto;
}

.airp-related__date {
	font-size: 0.8rem;
	color: #888;
}

.airp-related__read-more {
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--airp-accent);
	opacity: 0;
	transform: translateX(-4px);
	transition: opacity 0.2s, transform 0.2s;
}

.airp-related__card:hover .airp-related__read-more {
	opacity: 1;
	transform: translateX(0);
}

/* Responsive */
@media (max-width: 768px) {
	.airp-related {
		margin: 1.75rem 0;
		padding-top: 1.5rem;
	}

	.airp-related__grid--cols-2,
	.airp-related__grid--cols-3,
	.airp-related__grid--cols-4 {
		grid-template-columns: 1fr;
	}

	.airp-related--list .airp-related__link {
		grid-template-columns: 1fr;
	}

	.airp-related--list .airp-related__image-wrap {
		height: auto;
		aspect-ratio: 16 / 9;
	}

	.airp-related__read-more {
		opacity: 1;
		transform: none;
	}
}

@media (min-width: 769px) and (max-width: 1024px) {
	.airp-related__grid--cols-3,
	.airp-related__grid--cols-4 {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Fade-in animation */
.airp-related.airp-related--loaded .airp-related__card {
	animation: airp-fade-up 0.45s ease both;
}

.airp-related.airp-related--loaded .airp-related__card:nth-child(2) { animation-delay: 0.06s; }
.airp-related.airp-related--loaded .airp-related__card:nth-child(3) { animation-delay: 0.12s; }
.airp-related.airp-related--loaded .airp-related__card:nth-child(4) { animation-delay: 0.18s; }
.airp-related.airp-related--loaded .airp-related__card:nth-child(5) { animation-delay: 0.24s; }

@keyframes airp-fade-up {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: translateY(0); }
}