/*
 * Blog listing — hero, article card grid, pagination and the empty state.
 * Tokens only (see DESIGN.md); mobile-first, single column up to 640px.
 */

/* --- Hero ---------------------------------------------------------------- */

.blog-hero {
	background:
		radial-gradient(70% 120% at 85% 10%, rgba(13, 148, 136, 0.35) 0%, rgba(13, 148, 136, 0) 60%),
		linear-gradient(160deg, var(--color-primary-800) 0%, var(--color-primary-900) 100%);
	color: var(--color-neutral-50);
}

.blog-hero__inner {
	padding-block: clamp(var(--space-12), 9vw, var(--space-20));
}

.blog-hero__eyebrow {
	margin: 0 0 var(--space-3);
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	color: var(--color-accent-300);
}

.blog-hero__title {
	margin: 0 0 var(--space-5);
	max-width: 16ch;
	font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl));
	color: var(--color-neutral-50);
}

.blog-hero__lead {
	max-width: 58ch;
	margin: 0;
	font-size: clamp(var(--text-base), 2.2vw, var(--text-lg));
	color: var(--color-neutral-100);
}

/* --- Card grid ----------------------------------------------------------- */

.blog-listing {
	background: var(--color-bg);
	color: var(--color-text);
}

.article-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-8);
}

@media (min-width: 640px) {
	.article-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1024px) {
	.article-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.article-card {
	display: flex;
	flex-direction: column;
	overflow: hidden;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-md);
	transition:
		transform var(--duration-normal) var(--ease-default),
		box-shadow var(--duration-normal) var(--ease-default);
}

.article-card:hover,
.article-card:focus-within {
	transform: translateY(-2px);
	box-shadow: var(--shadow-lg);
}

.article-card__media {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 16 / 10;
	background:
		linear-gradient(145deg, var(--color-primary-700) 0%, var(--color-primary-900) 100%);
	overflow: hidden;
}

.article-card__image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
}

/* Fallback panel for a post the author published without a cover image. */
.article-card__fallback {
	padding: var(--space-4);
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	text-align: center;
	color: var(--color-accent-300);
}

.article-card__body {
	display: flex;
	flex: 1 1 auto;
	flex-direction: column;
	padding: var(--space-6);
}

.article-card__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-2) var(--space-3);
	margin: 0 0 var(--space-3);
	max-width: none;
	font-size: var(--text-xs);
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	color: var(--color-text-muted);
}

.article-card__category {
	padding: var(--space-1) var(--space-3);
	border-radius: var(--radius-full);
	background: var(--color-accent-50);
	color: var(--color-accent-800);
	font-family: var(--font-heading);
	font-weight: 600;
	text-decoration: none;
}

a.article-card__category:hover,
a.article-card__category:focus {
	background: var(--color-accent-100);
	color: var(--color-accent-900);
}

.article-card__date {
	color: var(--color-text-muted);
}

.article-card__title {
	margin: 0 0 var(--space-3);
	font-size: var(--text-lg);
}

.article-card__title a {
	color: var(--color-text);
	text-decoration: none;
}

.article-card__title a:hover,
.article-card__title a:focus {
	color: var(--color-link-hover);
	text-decoration: underline;
}

.article-card__excerpt {
	margin: 0 0 var(--space-5);
	max-width: none;
	color: var(--color-text-muted);
}

.article-card__more {
	margin: auto 0 0;
	max-width: none;
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-accent-700);
}

.article-card:hover .article-card__more,
.article-card:focus-within .article-card__more {
	color: var(--color-accent-800);
}

/* --- Pagination ---------------------------------------------------------- */

.blog-listing .navigation.pagination {
	margin-top: var(--space-12);
}

.blog-listing .nav-links {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-2);
}

.blog-listing .page-numbers {
	display: inline-block;
	min-width: 2.75rem;
	padding: var(--space-2) var(--space-4);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	background: var(--color-surface);
	color: var(--color-link);
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	text-align: center;
	text-decoration: none;
	transition:
		background var(--duration-fast) var(--ease-default),
		color var(--duration-fast) var(--ease-default);
}

.blog-listing .page-numbers:hover,
.blog-listing .page-numbers:focus {
	background: var(--color-primary-50);
	color: var(--color-link-hover);
}

.blog-listing .page-numbers.current {
	background: var(--color-primary-800);
	border-color: var(--color-primary-800);
	color: var(--color-neutral-50);
}

.blog-listing .page-numbers.dots {
	border-color: transparent;
	background: transparent;
	color: var(--color-text-muted);
}

/* --- Empty state --------------------------------------------------------- */

.blog-empty {
	max-width: 60ch;
	margin-inline: auto;
	padding: clamp(var(--space-8), 6vw, var(--space-16));
	border: 1px solid var(--color-border);
	border-radius: var(--radius-xl);
	background:
		radial-gradient(60% 120% at 100% 0%, rgba(61, 111, 174, 0.10) 0%, rgba(61, 111, 174, 0) 70%),
		var(--color-surface);
	box-shadow: var(--shadow-md);
	text-align: center;
}

.blog-empty__eyebrow {
	margin: 0 0 var(--space-3);
	max-width: none;
	font-family: var(--font-heading);
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	color: var(--color-accent-700);
}

.blog-empty__title {
	margin: 0 0 var(--space-4);
	font-size: clamp(var(--text-xl), 4vw, var(--text-2xl));
}

.blog-empty__text {
	margin: 0 auto var(--space-6);
	color: var(--color-text-muted);
}

.blog-empty__actions {
	margin: 0;
	max-width: none;
}

/* --- Single article ------------------------------------------------------ */

.blog-page .article-card__title a:focus-visible {
	outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
	.article-card,
	.article-card:hover,
	.article-card:focus-within {
		transform: none;
		transition: none;
	}
}