/*
 * Sergeant Fire & Safety — resource centre (blog) styles.
 * Loaded only on blog views: posts page, single posts, category/tag/date archives, search.
 * Depends on main.css tokens and pages.css layout primitives.
 *
 * Contents:
 *  1. Topic navigation
 *  2. Article header (single post)
 *  3. Article body helpers
 *  4. End-of-article CTA
 *  5. Related resources
 *  6. Empty state
 */

/* 1. Topic navigation
   ------------------------------------------------------------ */
.topic-nav {
	background: var(--color-white);
	border-bottom: 1px solid var(--color-border);
}

.topic-nav__list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem 0.5rem;
	list-style: none;
	margin: 0;
	padding: 0.9rem 0;
}

.topic-nav__link {
	display: inline-block;
	padding: 0.45rem 0.9rem;
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-text-muted);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 999px;
	text-decoration: none;
	transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.topic-nav__link:hover {
	color: var(--color-primary);
	border-color: var(--color-primary);
	background: var(--color-white);
}

.topic-nav__link.is-current {
	color: var(--color-white);
	background: var(--color-dark);
	border-color: var(--color-dark);
}

/* 2. Article header
   ------------------------------------------------------------ */
.article-header {
	padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(1.5rem, 3vw, 2.25rem);
	background: var(--color-surface);
}

.article-header__eyebrow {
	display: inline-block;
	margin-bottom: 0.9rem;
	font-family: var(--font-heading);
	font-size: var(--text-xs);
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--color-primary);
	text-decoration: none;
}

.article-header__eyebrow:hover {
	text-decoration: underline;
	text-underline-offset: 3px;
}

.article-header__title {
	max-width: 22ch;
	margin: 0;
	font-size: clamp(2rem, 3.4vw + 1rem, 3.15rem);
	line-height: var(--leading-tight);
}

.article-header__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.35rem 0.6rem;
	margin-top: 1.1rem;
	font-size: var(--text-sm);
	color: var(--color-text-muted);
}

.article-header__meta-sep {
	color: var(--color-border);
}

/* 3. Article body
   ------------------------------------------------------------ */
.article-figure {
	margin: 0;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow);
}

.article-figure img {
	display: block;
	width: 100%;
	aspect-ratio: 2 / 1;
	object-fit: cover;
}

.article-figure__caption {
	padding: 0.75rem 0.25rem 0;
	font-size: var(--text-sm);
	color: var(--color-text-muted);
}

.section--article {
	padding-top: clamp(2.5rem, 4vw, 3.5rem);
	padding-bottom: clamp(3rem, 6vw, 5rem);
}

.single-post .entry-content {
	font-size: 1.09rem;
	line-height: 1.75;
}

/* 4. End-of-article CTA
   ------------------------------------------------------------ */
.article-cta {
	margin-top: clamp(2.5rem, 5vw, 3.5rem);
	padding: clamp(1.75rem, 4vw, 2.5rem);
	background: var(--color-dark);
	color: var(--color-text-on-dark);
	border-left: 4px solid var(--color-primary);
	border-radius: var(--radius);
}

.article-cta__title {
	margin: 0 0 0.6rem;
	font-family: var(--font-heading);
	font-size: clamp(1.4rem, 1.4vw + 1.05rem, 1.75rem);
	font-weight: 800;
	line-height: var(--leading-snug);
	color: var(--color-white);
}

.article-cta__text {
	max-width: 58ch;
	margin: 0;
	font-size: var(--text-base);
	line-height: var(--leading-body);
	color: var(--color-text-muted-on-dark);
}

.article-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.5rem;
}

/* 5. Related resources
   ------------------------------------------------------------ */
.related {
	padding: clamp(3rem, 6vw, 4.5rem) 0;
	background: var(--color-surface);
	border-top: 1px solid var(--color-border);
}

.related__title {
	margin: 0 0 1.75rem;
	font-family: var(--font-heading);
	font-size: var(--text-h3);
	font-weight: 800;
	letter-spacing: -0.01em;
}

.related .post-grid {
	grid-template-columns: 1fr;
}

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

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

/* 6. Empty state
   ------------------------------------------------------------ */
.blog-empty {
	max-width: 620px;
	margin-inline: auto;
	padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
	text-align: center;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
}

.blog-empty__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 64px;
	height: 64px;
	margin-bottom: 1.25rem;
	color: var(--color-primary);
	background: var(--color-primary-soft);
	border-radius: 50%;
}

.blog-empty__title {
	margin: 0 0 0.75rem;
	font-family: var(--font-heading);
	font-size: var(--text-h3);
	font-weight: 800;
}

.blog-empty__text {
	max-width: 46ch;
	margin: 0 auto;
	color: var(--color-text-muted);
	line-height: var(--leading-body);
}

.blog-empty__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.75rem;
	margin-top: 1.75rem;
}

.blog-empty__search {
	max-width: 420px;
	margin: 1.75rem auto 0;
}

.blog-empty__admin {
	margin-top: 1.5rem;
	font-size: var(--text-sm);
}