/* ========================================
   BLOG / COLUMN STYLES
   Extends the main style.css design system
   ======================================== */

/* ----------------------------------------
   BLOG LISTING PAGE
   ---------------------------------------- */

/* Category filter tabs */
.blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
}
.blog-filter-btn {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-white);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.blog-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}
.blog-filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Article card grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* Article card */
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.blog-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card-thumb-icon {
  font-size: 2rem;
  color: var(--color-accent-light);
}
.blog-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.blog-card-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: rgba(184, 151, 90, 0.1);
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.03em;
}
.blog-card-date {
  font-size: 0.75rem;
  color: var(--color-text-lighter);
}
.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-excerpt {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.blog-card-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
  margin-top: auto;
}
.blog-card-link:hover {
  color: var(--color-accent);
}
.blog-card-link i {
  font-size: 0.7rem;
  transition: transform 0.2s ease;
}
.blog-card-link:hover i {
  transform: translateX(3px);
}

/* No results message */
.blog-no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  display: none;
}

/* ----------------------------------------
   ARTICLE PAGE
   ---------------------------------------- */

/* Article layout: main + sidebar */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

/* Article header */
.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border-light);
}
.article-category-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: rgba(184, 151, 90, 0.1);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.article-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.6;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--color-text-lighter);
}
.article-meta i {
  margin-right: 4px;
  color: var(--color-accent-light);
}

/* Article lead paragraph */
.article-lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 40px;
  padding: 24px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

/* Table of contents */
.article-toc {
  margin-bottom: 48px;
  padding: 24px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.article-toc-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-toc-title i {
  color: var(--color-accent);
}
.article-toc ol {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
  margin: 0;
}
.article-toc ol li {
  counter-increment: toc-counter;
  margin-bottom: 8px;
}
.article-toc ol li:last-child {
  margin-bottom: 0;
}
.article-toc ol li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.6;
  transition: var(--transition);
  padding: 4px 0;
}
.article-toc ol li a::before {
  content: counter(toc-counter);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  background: rgba(184, 151, 90, 0.1);
  border-radius: 50%;
}
.article-toc ol li a:hover {
  color: var(--color-accent-dark);
}

/* Article body content */
.article-body {
  margin-bottom: 48px;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.55;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  letter-spacing: 0.02em;
}
.article-body h2:first-child {
  margin-top: 0;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-heading-sub);
  line-height: 1.6;
  margin: 32px 0 14px;
}
.article-body p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  margin: 16px 0 24px 20px;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
}
.article-body li {
  margin-bottom: 6px;
}
.article-body strong {
  color: var(--color-heading-card);
  font-weight: 600;
}

/* Article highlight box */
.article-highlight {
  padding: 20px 24px;
  background: rgba(184, 151, 90, 0.06);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  margin: 24px 0;
}
.article-highlight p {
  margin-bottom: 0;
}

/* Article summary box */
.article-summary {
  margin-bottom: 48px;
  padding: 28px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}
.article-summary-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-summary-title i {
  color: var(--color-accent);
}
.article-summary ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.article-summary ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text);
}
.article-summary ul li:last-child {
  margin-bottom: 0;
}
.article-summary ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 3px;
  font-size: 0.72rem;
  color: var(--color-accent);
}

/* Article CTA */
.article-cta {
  padding: 40px;
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: 48px;
}
.article-cta-text {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.article-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
}
.article-cta-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 62, 80, 0.15);
}
.article-cta-btn i {
  font-size: 0.85rem;
}

/* Internal links within article */
.article-internal-links {
  margin-bottom: 48px;
}
.article-internal-links-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-internal-links-title i {
  color: var(--color-accent);
}
.article-internal-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.article-internal-links ul li {
  margin-bottom: 8px;
}
.article-internal-links ul li a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-primary);
  padding: 10px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.article-internal-links ul li a:hover {
  background: rgba(184, 151, 90, 0.08);
  color: var(--color-accent-dark);
}
.article-internal-links ul li a i {
  color: var(--color-accent);
  font-size: 0.75rem;
}

/* Related articles */
.article-related {
  margin-bottom: 48px;
}
.article-related-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 24px;
  text-align: center;
}
.article-related-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: 12px auto 0;
  border-radius: 1px;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 88px;
}
.sidebar-widget {
  margin-bottom: 28px;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.sidebar-widget-title {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}
.sidebar-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-category-list li {
  margin-bottom: 4px;
}
.sidebar-category-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  font-size: 0.82rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.sidebar-category-list li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-accent-dark);
}
.sidebar-category-list li a .count {
  font-size: 0.72rem;
  color: var(--color-text-lighter);
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 50px;
}

/* Sidebar CTA */
.sidebar-cta {
  padding: 24px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-white);
}
.sidebar-cta-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
}
.sidebar-cta-text {
  font-size: 0.78rem;
  line-height: 1.7;
  opacity: 0.85;
  margin-bottom: 16px;
}
.sidebar-cta-btn {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}
.sidebar-cta-btn:hover {
  background: var(--color-accent-light);
}

/* Blog listing section */
.section-blog-list {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

/* ----------------------------------------
   RESPONSIVE
   ---------------------------------------- */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .article-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-filter {
    gap: 8px;
    margin-bottom: 32px;
  }
  .blog-filter-btn {
    padding: 6px 14px;
    font-size: 0.78rem;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .blog-card {
    flex-direction: row;
  }
  .blog-card-thumb {
    width: 120px;
    min-width: 120px;
    aspect-ratio: 1 / 1;
  }
  .blog-card-body {
    padding: 14px 16px;
  }
  .blog-card-title {
    font-size: 0.92rem;
    -webkit-line-clamp: 2;
  }
  .blog-card-excerpt {
    display: none;
  }

  .article-title {
    font-size: 1.4rem;
  }
  .article-lead {
    padding: 18px;
    font-size: 0.92rem;
  }
  .article-toc {
    padding: 18px 20px;
  }
  .article-body h2 {
    font-size: 1.2rem;
    margin-top: 36px;
  }
  .article-body h3 {
    font-size: 1rem;
  }
  .article-cta {
    padding: 28px 20px;
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .article-related-grid {
    grid-template-columns: 1fr;
  }
  .article-related-grid .blog-card {
    flex-direction: row;
  }
  .article-related-grid .blog-card-thumb {
    width: 100px;
    min-width: 100px;
  }
}

@media (max-width: 480px) {
  .blog-card-thumb {
    width: 100px;
    min-width: 100px;
  }
  .blog-card-body {
    padding: 10px 12px;
  }
  .blog-card-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .article-title {
    font-size: 1.25rem;
  }
  .article-cta-btn {
    padding: 12px 28px;
    font-size: 0.88rem;
  }
}