/* Blog Listing Page Styles */

.blog-hero {
  padding: calc(42px + 80px + var(--space-8)) 0 var(--space-6);
  background: var(--c-band);
  text-align: center;
}

.blog-hero__title {
  font-family: var(--ff-headings);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--c-text);
  margin: var(--space-3) 0 var(--space-2);
  letter-spacing: -0.02em;
}

.blog-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--c-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Blog Grid */

.blog-grid-section {
  padding: var(--space-8) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* Blog Card */

.blog-card {
  background: var(--c-surface-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.blog-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.blog-card__thumb {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.blog-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__thumb img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: var(--space-4);
}

.blog-card__title {
  font-family: var(--ff-headings);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.35;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin: 0 0 var(--space-3);
}

.blog-card__meta {
  font-size: 0.8125rem;
  color: var(--c-brand);
  font-weight: 500;
}

/* Blog CTA Section */

.blog-cta {
  text-align: center;
  padding: var(--space-8) 0;
}

.blog-cta .sp-head {
  margin-bottom: var(--space-4);
}

.blog-cta .sp-hero__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* Blog Detail Page Styles */

.blog-detail-hero {
  padding: calc(24px + var(--space-4)) 0 var(--space-4);
  background: var(--c-band);
}

.blog-detail-hero__title {
  font-family: var(--ff-headings);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--c-text);
  margin: var(--space-3) 0 var(--space-2);
  letter-spacing: -0.02em;
  max-width: 800px;
}

.blog-detail-hero__meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--c-muted);
  margin-top: var(--space-2);
}

.blog-detail-hero__meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-detail-hero__meta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* Blog Article Layout */

.blog-article {
  padding: var(--space-8) 0;
}

.blog-article__inner {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 1024px) {
  .blog-article__inner {
    grid-template-columns: 1fr;
  }
}

.blog-article__content {
  max-width: 720px;
}

.blog-article__content h2 {
  font-family: var(--ff-headings);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text);
  margin: var(--space-6) 0 var(--space-3);
  letter-spacing: -0.01em;
}

.blog-article__content h3 {
  font-family: var(--ff-headings);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  margin: var(--space-5) 0 var(--space-2);
}

.blog-article__content p {
  font-size: 1.0625rem;
  color: var(--c-text);
  line-height: 1.75;
  margin: 0 0 var(--space-4);
}

.blog-article__content ul,
.blog-article__content ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
}

.blog-article__content li {
  font-size: 1.0625rem;
  color: var(--c-text);
  line-height: 1.75;
  margin-bottom: var(--space-2);
}

.blog-article__content img {
  width: 100%;
  border-radius: var(--r-card);
  margin: var(--space-4) 0;
}

.blog-article__content blockquote {
  border-left: 4px solid var(--c-brand);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-4) 0;
  background: var(--c-band);
  border-radius: 0 var(--r-card) var(--r-card) 0;
  font-style: italic;
  color: var(--c-muted);
}

.blog-article__content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: 0.9375rem;
}

.blog-article__content th,
.blog-article__content td {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--c-border);
  text-align: left;
}

.blog-article__content th {
  background: var(--c-band);
  font-weight: 600;
  color: var(--c-text);
}

.blog-article__content td {
  color: var(--c-muted);
}

/* Table of Contents Sidebar */

.blog-toc {
  position: sticky;
  top: 100px;
  background: var(--c-surface-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--space-4);
}

.blog-toc__title {
  font-family: var(--ff-headings);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-3);
}

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

.blog-toc__list li {
  margin-bottom: var(--space-2);
}

.blog-toc__list a {
  font-size: 0.875rem;
  color: var(--c-muted);
  text-decoration: none;
  line-height: 1.5;
  display: block;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.blog-toc__list a:hover {
  color: var(--c-cta);
}

@media (max-width: 1024px) {
  .blog-toc {
    position: static;
    margin-bottom: var(--space-4);
  }
}

/* Related Posts */

.blog-related {
  padding: var(--space-8) 0;
  background: var(--c-band);
}

.blog-related__title {
  font-family: var(--ff-headings);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 var(--space-5);
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .blog-related-grid {
    grid-template-columns: 1fr;
  }
}

/* Pagination */

.blog-pagination {
  padding: var(--space-6) 0 var(--space-8);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text);
  background: var(--c-card);
  border: 1px solid var(--c-border);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.pagination__link:hover {
  background: var(--c-cta);
  color: #fff;
  border-color: var(--c-brand);
}

.pagination__link--active {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
  cursor: default;
}

.pagination__link--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .pagination {
    gap: var(--space-1);
  }
  .pagination__link {
    min-width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }
}