/*!
 * Meet Digital Marketing — Blog / Insights Stylesheet
 * Blog hub (index.php / archive.php) and single article template.
 * Reuses the global design tokens from main.css so the blog stays
 * visually identical to the rest of the site.
 */

/* ---------- Blog hub hero ---------- */

.blog-hero {
	padding: 3.5rem 0 3rem;
	background:
		radial-gradient(55% 60% at 85% 0%, rgba(47, 94, 255, 0.08) 0%, rgba(47, 94, 255, 0) 70%),
		var(--color-bg);
	border-bottom: 1px solid var(--color-border);
}

.blog-hero .section-header {
	max-width: 720px;
	margin: 0;
}

/* ---------- Featured article ---------- */

.featured-article {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 2.5rem;
	align-items: stretch;
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1.25rem;
	overflow: hidden;
	margin: 2.5rem 0;
	box-shadow: var(--shadow-sm);
}

.featured-article__media {
	background: linear-gradient(135deg, var(--color-ink), var(--color-ink-2));
	min-height: 320px;
}

.featured-article__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.featured-article__body {
	padding: 2.25rem 2.25rem 2.25rem 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.post-category {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-blue);
	background: rgba(47, 94, 255, 0.08);
	border-radius: 0.375rem;
	padding: 0.25rem 0.625rem;
	margin-bottom: 0.875rem;
}

.featured-article__body h2 {
	font-size: clamp(1.5rem, 2.6vw, 2rem);
	margin-bottom: 0.75rem;
}

.featured-article__body .post-excerpt {
	color: var(--color-text-secondary);
	margin-bottom: 1rem;
}

/* ---------- Category nav ---------- */

.category-nav {
	display: flex;
	gap: 0.625rem;
	flex-wrap: wrap;
	padding: 1.25rem 0;
	margin-bottom: 1rem;
	border-bottom: 1px solid var(--color-border);
}

.category-nav a {
	font-family: var(--font-primary);
	font-weight: 600;
	font-size: 0.875rem;
	color: var(--color-text);
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 999px;
	padding: 0.5rem 1.125rem;
	transition: var(--transition);
	white-space: nowrap;
}

.category-nav a:hover,
.category-nav a.is-active {
	background: var(--color-ink);
	border-color: var(--color-ink);
	color: white;
}

/* ---------- Blog layout: grid + sidebar ---------- */

.blog-layout {
	display: grid;
	grid-template-columns: 1fr 320px;
	gap: 3rem;
	align-items: start;
}

.blog-layout .page-content {
	min-width: 0;
}

/* Upgrade the shared post-card / posts-grid used by index.php, archive.php,
   related posts — so the whole blog surface (hub, categories, tags,
   related-posts) shares one card language. */

.posts-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
}

.post-card {
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	overflow: hidden;
	box-shadow: none;
	transition: var(--transition);
}

.post-card:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-4px);
	border-color: transparent;
}

.post-card .post-thumbnail {
	height: 190px;
	border-radius: 0;
}

.post-card .post-content {
	padding: 1.375rem;
}

.post-card .post-title {
	font-size: 1.0625rem;
	margin-top: 0.5rem;
}

.post-card .post-title a {
	color: var(--color-ink);
}

.post-meta {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--color-text-secondary);
	gap: 0.75rem;
}

.post-meta span:not(:last-child)::after {
	content: "·";
	margin-left: 0.75rem;
	color: var(--color-border);
}

/* ---------- Sidebar ---------- */

.blog-sidebar {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	position: sticky;
	top: 6.5rem;
}

.sidebar-widget {
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	padding: 1.5rem;
	box-shadow: none;
}

.sidebar-widget h3 {
	font-size: 0.9375rem;
	font-family: var(--font-mono);
	letter-spacing: 0.04em;
	text-transform: uppercase;
	border-bottom: none;
	padding-bottom: 0;
	margin-bottom: 1rem;
	color: var(--color-text-secondary);
}

.sidebar-search {
	display: flex;
	gap: 0.5rem;
}

.sidebar-search input[type="search"] {
	margin-bottom: 0;
}

.sidebar-search button {
	flex-shrink: 0;
	background: var(--color-ink);
	color: white;
	border-radius: 0.5rem;
	padding: 0 1rem;
}

.sidebar-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.sidebar-list li {
	margin-bottom: 0;
}

.sidebar-list a {
	display: block;
	padding: 0.625rem 0;
	border-bottom: 1px solid var(--color-border);
	color: var(--color-text);
	font-size: 0.9375rem;
	transition: var(--transition);
}

.sidebar-list li:last-child a {
	border-bottom: none;
}

.sidebar-list a:hover {
	color: var(--color-blue);
	padding-left: 0.25rem;
}

.sidebar-cat-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.sidebar-cat-list a {
	display: flex;
	justify-content: space-between;
	font-size: 0.9375rem;
	color: var(--color-text);
}

.sidebar-cat-list a:hover {
	color: var(--color-blue);
}

.sidebar-cat-list .cat-count {
	color: var(--color-text-secondary);
	font-family: var(--font-mono);
	font-size: 0.8125rem;
}

.sidebar-newsletter p {
	font-size: 0.875rem;
	color: var(--color-text-secondary);
	margin-bottom: 0.875rem;
}

.sidebar-newsletter form {
	margin-bottom: 0;
	display: flex;
	flex-direction: column;
	gap: 0.625rem;
}

.sidebar-newsletter input[type="email"] {
	margin-bottom: 0;
}

.sidebar-newsletter button {
	width: 100%;
}

/* ---------- Newsletter CTA (dark, full width) ---------- */

.newsletter-cta {
	background: linear-gradient(165deg, var(--color-ink) 0%, var(--color-ink-2) 100%);
	color: white;
	border-radius: 1.5rem;
	padding: 3rem;
	text-align: center;
	margin: var(--spacing-2xl) 0;
}

.newsletter-cta h2 {
	color: white;
	margin-bottom: 0.5rem;
}

.newsletter-cta p {
	color: rgba(255, 255, 255, 0.7);
	max-width: 46ch;
	margin: 0 auto 1.5rem;
}

.newsletter-form {
	display: flex;
	gap: 0.75rem;
	justify-content: center;
	max-width: 440px;
	margin: 0 auto;
	flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
	flex: 1;
	min-width: 220px;
	margin-bottom: 0;
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.2);
	color: white;
}

.newsletter-form input[type="email"]::placeholder {
	color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
	flex-shrink: 0;
}

/* ---------- Single article: header ---------- */

.single-post {
	background: transparent;
	padding: 0;
	box-shadow: none;
}

.post-hero .post-header h1.post-title {
	font-size: clamp(2rem, 4vw, 2.75rem);
	margin: 0.75rem 0 1rem;
}

.post-featured-image {
	border-radius: 1.25rem;
}

/* ---------- Table of contents ---------- */

.article-toc {
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	padding: 1.5rem 1.75rem;
	margin: 0 0 2rem;
}

.article-toc__title {
	font-family: var(--font-mono);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--color-text-secondary);
	margin-bottom: 0.875rem;
}

.article-toc ol {
	list-style: none;
	margin: 0;
	padding: 0;
	counter-reset: toc;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.article-toc li {
	margin: 0;
	counter-increment: toc;
}

.article-toc a {
	display: flex;
	gap: 0.625rem;
	font-size: 0.9375rem;
	color: var(--color-text);
}

.article-toc a::before {
	content: counter(toc, decimal-leading-zero);
	font-family: var(--font-mono);
	font-size: 0.8125rem;
	color: var(--color-blue);
	flex-shrink: 0;
}

.article-toc a:hover {
	color: var(--color-blue);
}

.article-toc li.toc-sub {
	padding-left: 1.75rem;
}

.article-toc li.toc-sub a::before {
	content: "—";
}

/* ---------- Article body typography ---------- */

.post-body {
	font-size: 1.0625rem;
	line-height: 1.8;
	max-width: 72ch;
}

.post-body h2 {
	margin-top: 2.5rem;
	scroll-margin-top: 6rem;
}

.post-body h3 {
	margin-top: 1.75rem;
	scroll-margin-top: 6rem;
}

.post-body blockquote {
	border-left: 3px solid var(--color-blue);
	padding: 0.25rem 0 0.25rem 1.25rem;
	margin: 1.5rem 0;
	color: var(--color-text-secondary);
	font-style: italic;
}

/* ---------- Inline CTA ---------- */

.inline-cta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	flex-wrap: wrap;
	background: linear-gradient(135deg, rgba(47, 94, 255, 0.06), rgba(34, 211, 238, 0.06));
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	padding: 1.5rem 1.75rem;
	margin: 2rem 0;
}

.inline-cta p {
	margin: 0;
	font-weight: 600;
	color: var(--color-ink);
	font-size: 1.0625rem;
}

.inline-cta .btn {
	flex-shrink: 0;
}

/* ---------- Author box ---------- */

.author-box {
	display: flex;
	align-items: center;
	gap: 1rem;
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	padding: 1.5rem;
	margin: 2rem 0;
}

.author-box__avatar img {
	width: 56px;
	height: 56px;
	border-radius: 50%;
	object-fit: cover;
}

.author-box__name {
	font-weight: 700;
	color: var(--color-ink);
	margin-bottom: 0.125rem;
}

.author-box__role {
	font-size: 0.875rem;
	color: var(--color-text-secondary);
	margin: 0;
}

/* ---------- Related posts ---------- */

.related-posts {
	margin-top: 3rem;
	padding-top: 2.5rem;
	border-top: 1px solid var(--color-border);
}

.related-posts h2 {
	font-size: 1.375rem;
}

.related-posts-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
}

.related-post-card {
	background: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	overflow: hidden;
	transition: var(--transition);
}

.related-post-card:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-4px);
}

.related-post-thumbnail {
	height: 150px;
}

.related-post-thumbnail img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.related-post-card h3 {
	font-size: 1rem;
	padding: 1.125rem 1.125rem 0;
}

.related-post-card p {
	padding: 0 1.125rem 1.125rem;
	color: var(--color-text-secondary);
	font-size: 0.875rem;
	margin: 0;
}

/* ---------- Share buttons ---------- */

.post-share h4 {
	font-size: 0.875rem;
	font-family: var(--font-mono);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--color-text-secondary);
}

.share-buttons {
	display: flex;
	gap: 0.625rem;
	flex-wrap: wrap;
}

.share-btn {
	font-size: 0.8125rem;
	font-weight: 600;
	padding: 0.5rem 1rem;
	border-radius: 999px;
	border: 1px solid var(--color-border);
	color: var(--color-text);
}

.share-btn:hover {
	border-color: var(--color-ink);
	color: var(--color-ink);
}

/* ---------- Final CTA (single article) ---------- */

.article-final-cta {
	margin-top: 2.5rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
	.blog-layout { grid-template-columns: 1fr; }
	.blog-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
	.blog-sidebar .sidebar-widget { flex: 1 1 260px; }
	.featured-article { grid-template-columns: 1fr; }
	.featured-article__media { min-height: 220px; }
	.featured-article__body { padding: 1.75rem; }
	.posts-grid { grid-template-columns: repeat(2, 1fr); }
	.related-posts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
	.posts-grid { grid-template-columns: 1fr; }
	.related-posts-grid { grid-template-columns: 1fr; }
	.blog-sidebar { flex-direction: column; }
	.inline-cta { flex-direction: column; align-items: flex-start; }
	.newsletter-form { flex-direction: column; }
}