/**
 * Preluence News — post cards.
 * Classic card for archives and related stories; further card styles arrive
 * with the card engine (Milestone 1).
 */

.pn-card {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	min-width: 0;
}

.pn-thumb {
	display: block;
	position: relative;
	overflow: hidden;
	aspect-ratio: 16 / 9;
	border-radius: var(--pn-radius);
	background: var(--pn-surface);
}

.pn-thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s var(--pn-ease);
}

.pn-card:hover .pn-thumb img {
	transform: scale(1.04);
}

.pn-card__body {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}

.pn-card__title {
	margin: 0 0 0.4rem;
	font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
	line-height: 1.25;
}

.pn-card__title a {
	color: var(--pn-text);
	text-decoration: none;
	background-image: linear-gradient(currentcolor, currentcolor);
	background-position: 0 100%;
	background-repeat: no-repeat;
	background-size: 0 1px;
	transition: background-size 0.25s var(--pn-ease);
}

.pn-card__title a:hover,
.pn-card__title a:focus-visible {
	background-size: 100% 1px;
}

.pn-card__excerpt {
	margin: 0.5rem 0 0;
	color: var(--pn-text-muted);
	font-size: 0.9375rem;
	line-height: 1.55;
}

/* First archive card spans full width as a lead story on wide screens. */
@media (min-width: 1024px) {

	.pn-archive--grid > .pn-card:first-child:not(:only-child) {
		display: grid;
		grid-column: 1 / -1;
		grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
		align-items: center;
		gap: var(--pn-gap);
		padding-block-end: var(--pn-gap);
		border-block-end: 1px solid var(--pn-border);
	}

	.pn-archive--grid > .pn-card:first-child:not(:only-child) .pn-card__title {
		font-size: clamp(1.5rem, 2.4vw, 2rem);
	}

	.pn-archive--grid > .pn-card:first-child:not(:only-child) .pn-card__excerpt {
		font-size: 1rem;
	}
}

.pn-card--classic .pn-thumb {
	margin-block-end: 0.15rem;
}

.sticky .pn-card__title::before {
	content: "";
	display: inline-block;
	width: 0.55em;
	height: 0.55em;
	margin-inline-end: 0.4em;
	border-radius: 50%;
	background: var(--pn-accent);
	vertical-align: 0.15em;
}

/* ---------- Overlay card ---------- */
.pn-card--overlay {
	position: relative;
	display: block;
	min-height: 220px;
	overflow: hidden;
	background: #1d232b;
	color: #fff;
	isolation: isolate;
}

.pn-card--overlay .pn-card__media,
.pn-card--overlay .pn-card__media img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.pn-card--overlay .pn-card__media img {
	transition: transform 0.6s var(--pn-ease);
}

.pn-card--overlay:hover .pn-card__media img {
	transform: scale(1.05);
}

.pn-card--overlay .pn-card__media::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgb(0 0 0 / 0%) 35%, rgb(0 0 0 / 55%) 65%, rgb(0 0 0 / 85%) 100%);
}

.pn-card__overlay {
	position: absolute;
	inset-block-end: 0;
	inset-inline: 0;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.45rem;
	padding: clamp(1rem, 2.4vw, 1.5rem);
}

.pn-card--overlay .pn-card__title {
	margin: 0;
	font-size: clamp(1.05rem, 1.6vw, 1.3rem);
	line-height: 1.2;
	text-shadow: 0 1px 2px rgb(0 0 0 / 35%);
}

.pn-card--overlay .pn-card__title a {
	color: #fff;
	background-image: none;
}

.pn-card--overlay .pn-card__meta {
	color: rgb(255 255 255 / 82%);
	font-size: 0.8125rem;
}

.pn-card--overlay .pn-card__author {
	color: #fff;
}

.pn-card--overlay .pn-meta__sep {
	opacity: 0.6;
}

/* Whole card clickable; badge stays independently clickable above it. */
.pn-stretched-link::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 0;
}

.pn-card--overlay .pn-badge {
	position: relative;
	z-index: 2;
}

.pn-card--overlay:focus-within {
	outline: 3px solid var(--pn-primary);
	outline-offset: -3px;
}

/* ---------- List card ---------- */
.pn-card--list {
	display: grid;
	grid-template-columns: 96px minmax(0, 1fr);
	align-items: start;
	gap: 0.85rem;
}

.pn-card--list:not(:has(.pn-card__thumb)) {
	grid-template-columns: minmax(0, 1fr);
}

.pn-card__thumb {
	display: block;
	overflow: hidden;
	aspect-ratio: 4 / 3;
	border-radius: calc(var(--pn-radius) * 0.75);
	background: var(--pn-surface);
}

.pn-card__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.pn-card--list .pn-card__title {
	margin: 0 0 0.25rem;
	font-size: 0.975rem;
	line-height: 1.3;
}

.pn-card--list .pn-card__meta {
	font-size: 0.75rem;
}

.pn-card__author {
	color: var(--pn-text);
	font-weight: 600;
}

/* ---------- Archive layouts ---------- */
.pn-grid.pn-archive--list,
.pn-grid.pn-archive--big {
	grid-template-columns: minmax(0, 1fr);
}

.pn-archive--big > .pn-card {
	padding-block-end: 1.75rem;
	border-block-end: 1px solid var(--pn-border);
}

.pn-archive--big .pn-card__title {
	font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}

@media (min-width: 1024px) {

	.pn-grid.pn-archive--mixed {
		grid-template-columns: repeat(6, minmax(0, 1fr));
	}

	.pn-archive--mixed > .pn-card {
		grid-column: span 2;
	}

	.pn-archive--mixed > .pn-card:nth-child(-n + 2) {
		grid-column: span 3;
	}

	.pn-archive--mixed > .pn-card:nth-child(-n + 2) .pn-card__title {
		font-size: clamp(1.25rem, 2vw, 1.6rem);
	}
}

/* Wide card */
.pn-card--wide {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: minmax(0, 1fr);
	padding-block-end: 1.25rem;
	border-block-end: 1px solid var(--pn-border);
}

@media (min-width: 600px) {

	.pn-card--wide {
		grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
		align-items: start;
	}
}

.pn-card--wide .pn-card__title {
	font-size: clamp(1.15rem, 1.8vw, 1.4rem);
}

.pn-card--wide:last-child {
	border-block-end: 0;
}