/* =============================================================
   BLOG.CSS — Styles for Blog Listing & Single Post Pages
   Depends on: variables.css, base.css, components.css, layout.css
   ============================================================= */


/* =============================================================
   SHARED BLOG ELEMENTS
   ============================================================= */

/* ── Blog Hero ───────────────────────────────────────────── */
.blog-hero {
  background: linear-gradient(135deg, var(--color-dark-hero) 0%, var(--color-primary) 60%, var(--color-accent-dark) 100%);
  padding: 130px 0 70px;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.04)'/%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.blog-hero-inner {
  position: relative;
  z-index: 2;
}

.blog-hero h1 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.blog-hero p {
  color: rgba(255, 255, 255, 0.80);
  font-size: var(--text-lg);
  max-width: 560px;
}

/* ── Category Badge ──────────────────────────────────────── */
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.cat-evv          { background: #e8f3fc; color: var(--color-primary); }
.cat-billing      { background: #fff7ed; color: #c2410c; }
.cat-compliance   { background: #f0fdf4; color: #15803d; }
.cat-scheduling   { background: #fdf4ff; color: #7e22ce; }
.cat-technology   { background: #e8faff; color: var(--color-accent-dark); }
.cat-case-study   { background: #fffbeb; color: #92400e; }

/* ── Read Time & Meta ────────────────────────────────────── */
.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.post-meta .divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ── Author Chip ─────────────────────────────────────────── */
.author-chip {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.author-chip .author-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.2;
}

.author-chip .author-role {
  font-size: var(--text-xs);
  color: var(--color-muted);
}


/* =============================================================
   BLOG LISTING PAGE
   ============================================================= */

/* ── Search + Filter Bar ─────────────────────────────────── */
.blog-controls {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.blog-controls-inner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Search input */
.blog-search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.blog-search-wrap .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

.blog-search {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition-base);
}

.blog-search:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 86, 154, 0.10);
}

/* Category filter pills */
.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.filter-pill {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  border: 2px solid var(--color-border);
  background: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition-base);
  font-family: inherit;
}

.filter-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.filter-pill.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 86, 154, 0.25);
}

/* ── Featured Post (large, top) ──────────────────────────── */
.blog-featured {
  padding: var(--space-2xl) 0 var(--space-lg);
  background: var(--color-white);
}

.featured-post-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.featured-post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 86, 154, 0.18);
}

.featured-post-image {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.featured-post-image::before {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  bottom: -80px;
  right: -80px;
}

.featured-post-image .post-icon {
  font-size: 5rem;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.20));
  animation: float 5s ease-in-out infinite;
}

.featured-label {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--color-cta);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.featured-post-body {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-white);
}

.featured-post-body .cat-badge {
  margin-bottom: 16px;
}

.featured-post-body h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--color-text);
  margin-bottom: 14px;
  line-height: 1.25;
}

.featured-post-body h2 a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

.featured-post-body h2 a:hover {
  color: var(--color-primary);
}

.featured-post-body .excerpt {
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 24px;
  font-size: var(--text-md);
}

.featured-post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

/* ── Blog Grid ───────────────────────────────────────────── */
.blog-grid-section {
  padding: var(--space-lg) 0 var(--space-2xl);
  background: var(--color-bg);
}

.blog-grid-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.blog-grid-header h2 {
  font-size: 1.5rem;
  color: var(--color-text);
}

.post-count {
  font-size: var(--text-sm);
  color: var(--color-muted);
  background: var(--color-white);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* ── Blog Card ───────────────────────────────────────────── */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.blog-card-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}

/* Each card gets a gradient based on category color */
.blog-card-image.img-blue    { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); }
.blog-card-image.img-orange  { background: linear-gradient(135deg, #ff8c3a, #fdb913); }
.blog-card-image.img-green   { background: linear-gradient(135deg, #16a34a, #22c55e); }
.blog-card-image.img-purple  { background: linear-gradient(135deg, #7e22ce, #a855f7); }
.blog-card-image.img-teal    { background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent)); }
.blog-card-image.img-gold    { background: linear-gradient(135deg, #92400e, #fdb913); }

.blog-card-image .card-icon {
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
  transition: var(--transition-base);
}

.blog-card:hover .card-icon {
  transform: scale(1.1);
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-body .cat-badge {
  margin-bottom: 12px;
}

.blog-card-body h3 {
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.35;
}

.blog-card-body h3 a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

.blog-card-body h3 a:hover {
  color: var(--color-primary);
}

.blog-card-body .excerpt {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

.read-more-link:hover {
  color: var(--color-cta);
  gap: 9px;
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 52px;
  flex-wrap: wrap;
}

.page-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  border: 2px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  text-decoration: none;
}

.page-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(0, 86, 154, 0.30);
}

.page-btn.wide {
  width: auto;
  padding: 0 16px;
}

/* ── Blog Sidebar ────────────────────────────────────────── */
.blog-layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  /* position: sticky;
  top: calc(var(--nav-height) + 80px); */
}

.sidebar-widget {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

/* Popular posts widget */
.popular-post-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
  text-decoration: none;
  transition: var(--transition-base);
}

.popular-post-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.popular-post-item:hover .pp-title {
  color: var(--color-primary);
}

.pp-num {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pp-info { flex: 1; }

.pp-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  transition: var(--transition-base);
}

.pp-date {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: 3px;
}

/* Category list widget */
.cat-list { display: flex; flex-direction: column; gap: 8px; }

.cat-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-xs);
  background: var(--color-bg);
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  border: 1px solid transparent;
}

.cat-list-item:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.cat-list-item span:first-child {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.cat-count {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* Newsletter widget */
.newsletter-widget {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-dark));
  border: none;
}

.newsletter-widget h4 {
  color: var(--color-white);
  border-bottom-color: rgba(255, 255, 255, 0.20);
}

.newsletter-widget p {
  color: rgba(255, 255, 255, 0.80);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 16px;
}

.newsletter-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-family: inherit;
  margin-bottom: 10px;
  transition: var(--transition-base);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.22);
}

.newsletter-btn {
  width: 100%;
  padding: 11px;
  border-radius: var(--radius-sm);
  background: var(--color-cta);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-sm);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-base);
}

.newsletter-btn:hover {
  background: var(--color-cta-hover);
  transform: translateY(-1px);
}

/* Tags widget */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-base);
}

.tag-item:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}


/* =============================================================
   SINGLE BLOG POST PAGE
   ============================================================= */

/* ── Post Hero ───────────────────────────────────────────── */
.post-hero {
  background: linear-gradient(135deg, var(--color-dark-hero) 0%, var(--color-primary) 100%);
  padding: 130px 0 60px;
  position: relative;
  overflow: hidden;
}

.post-hero::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(95, 215, 255, 0.08);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.post-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.post-hero-inner .cat-badge {
  margin-bottom: 20px;
}

.post-hero-inner h1 {
  color: var(--color-white);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.post-hero-inner .post-excerpt {
  color: rgba(255, 255, 255, 0.80);
  font-size: var(--text-lg);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 700px;
}

.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.post-hero-meta .author-avatar {
  width: 44px;
  height: 44px;
  font-size: var(--text-sm);
}

.post-hero-meta .author-name {
  color: var(--color-white);
  font-size: var(--text-sm);
}

.post-hero-meta .author-role {
  color: rgba(255, 255, 255, 0.60);
}

.post-hero-meta .post-meta {
  color: rgba(255, 255, 255, 0.60);
  margin-left: auto;
}

.post-hero-meta .post-meta .divider {
  background: rgba(255, 255, 255, 0.25);
}

/* ── Post Body Layout ────────────────────────────────────── */
.post-body-section {
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
}

.post-body-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* ── Table of Contents ───────────────────────────────────── */
.toc-widget {
  /* position: sticky;
  top: calc(var(--nav-height) + 32px); */
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-item {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: var(--transition-base);
  line-height: 1.4;
}

.toc-item:hover,
.toc-item.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-left-color: var(--color-primary);
}

.toc-item.toc-h3 {
  padding-left: 24px;
  font-size: var(--text-xs);
}

/* ── Article Content ─────────────────────────────────────── */
.article-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Featured image inside article */
.article-featured-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 36px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  position: relative;
}

.article-featured-image .img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.45);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-xs);
  padding: 8px 16px;
  text-align: center;
}

/* Typography inside article */
.article-content h2 {
  font-size: 1.6rem;
  color: var(--color-text);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
}

.article-content h2:first-of-type {
  margin-top: 0;
}

.article-content h3 {
  font-size: 1.2rem;
  color: var(--color-text);
  margin: 28px 0 12px;
}

.article-content p {
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 20px;
  font-size: var(--text-md);
}

.article-content strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Article lists */
.article-content ul,
.article-content ol {
  margin: 0 0 20px 0;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-content ul li,
.article-content ol li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-light);
  font-size: var(--text-md);
  line-height: 1.65;
}

.article-content ul li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.article-content ol {
  counter-reset: ol-counter;
}

.article-content ol li {
  counter-increment: ol-counter;
}

.article-content ol li::before {
  content: counter(ol-counter);
  min-width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-family: var(--font-heading);
}

/* Blockquote */
.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 28px 0;
}

.article-content blockquote p {
  color: var(--color-primary);
  font-style: italic;
  font-size: var(--text-lg);
  margin-bottom: 0;
  font-weight: 500;
}

/* Callout / info box */
.article-callout {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin: 28px 0;
}

.article-callout.callout-tip    { background: #f0fdf4; border: 1px solid #bbf7d0; }
.article-callout.callout-info   { background: var(--color-primary-light); border: 1px solid #bfdbfe; }
.article-callout.callout-warn   { background: #fffbeb; border: 1px solid #fde68a; }

.callout-icon { font-size: 1.3rem; flex-shrink: 0; }

.callout-body h5 {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 6px;
}

.callout-body p {
  font-size: var(--text-sm);
  margin-bottom: 0;
  line-height: 1.6;
}

.callout-tip  .callout-body h5 { color: #15803d; }
.callout-info .callout-body h5 { color: var(--color-primary); }
.callout-warn .callout-body h5 { color: #92400e; }

/* Stat highlight boxes inside article */
.article-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.article-stat-box {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.article-stat-box .stat-val {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--color-primary);
  line-height: 1;
}

.article-stat-box .stat-desc {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: 6px;
}

/* ── Article Footer ──────────────────────────────────────── */
.article-footer {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 2px solid var(--color-border);
}

/* Tags */
.article-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.article-tags .tags-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* Share buttons */
.share-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.share-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: var(--transition-base);
  text-decoration: none;
}

.share-btn:hover { transform: translateY(-2px); }
.share-btn.linkedin { background: #0a66c2; color: #fff; }
.share-btn.twitter  { background: #000; color: #fff; }
.share-btn.copy     { background: var(--color-bg); color: var(--color-text); border: 1px solid var(--color-border); }
.share-btn.copy:hover { background: var(--color-primary-light); border-color: var(--color-primary); }

/* Author bio card */
.author-bio-card {
  display: flex;
  gap: 20px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 32px;
  border: 1px solid var(--color-border);
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.author-bio-info h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.author-bio-info .bio-role {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 10px;
}

.author-bio-info p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ── Related Posts ───────────────────────────────────────── */
.related-posts-section {
  padding: var(--space-2xl) 0;
  background: var(--color-white);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

/* ── Post Navigation (prev/next) ─────────────────────────── */
.post-nav-section {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.post-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.post-nav-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  text-decoration: none;
  display: block;
}

.post-nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.post-nav-card .nav-dir {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-nav-card.next { text-align: right; }
.post-nav-card.next .nav-dir { justify-content: flex-end; }

.post-nav-card .nav-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  transition: var(--transition-base);
}

.post-nav-card:hover .nav-title {
  color: var(--color-primary);
}

/* ── Progress Bar (reading progress) ────────────────────── */
.reading-progress {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border);
  z-index: 999;
}

.reading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  width: 0%;
  transition: width 0.1s linear;
}


/* =============================================================
   BLOG RESPONSIVE
   ============================================================= */

@media (max-width: 1024px) {
  .blog-grid                   { grid-template-columns: repeat(2, 1fr); }
  .blog-layout-with-sidebar    { grid-template-columns: 1fr; }
  .sidebar                     { position: static; }
  .post-body-layout            { grid-template-columns: 1fr; }
  .toc-widget                  { position: static; }
  .related-grid                { grid-template-columns: repeat(2, 1fr); }
  .article-stats               { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .blog-hero                   { padding: 110px 0 50px; }
  .featured-post-card          { grid-template-columns: 1fr; }
  .featured-post-image         { min-height: 220px; }
  .blog-grid                   { grid-template-columns: 1fr; }
  .blog-controls-inner         { flex-direction: column; align-items: stretch; }
  .blog-search-wrap            { max-width: 100%; }
  .filter-pills                { justify-content: flex-start; }
  .article-content             { padding: 28px 20px; }
  .article-stats               { grid-template-columns: 1fr 1fr; }
  .post-nav-grid               { grid-template-columns: 1fr; }
  .related-grid                { grid-template-columns: 1fr; }
  .author-bio-card             { flex-direction: column; }
  .post-hero-meta              { flex-direction: column; align-items: flex-start; gap: 12px; }
  .post-hero-meta .post-meta   { margin-left: 0; }
}

@media (max-width: 480px) {
  .blog-grid-header            { flex-direction: column; align-items: flex-start; }
  .featured-post-body          { padding: 24px; }
  .featured-post-footer        { flex-direction: column; align-items: flex-start; }
  .article-stats               { grid-template-columns: 1fr; }
  .share-row                   { flex-direction: column; align-items: flex-start; }
}