/* ── Blog Category Filter ────────────────────────────────── */
.blog-categories {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.blog-cat-btn {
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  background: transparent;
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 6px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.blog-cat-btn:hover {
  color: var(--black);
  border-color: var(--gray-300);
}
.blog-cat-active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.blog-cat-active:hover {
  color: var(--white);
  border-color: var(--black);
}

/* ── Blog Grid ──────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* Featured (first) post spans full width */
.blog-grid .blog-card:first-child {
  grid-column: 1 / -1;
}
.blog-grid .blog-card:first-child .blog-card-body {
  padding: 36px 40px;
}
.blog-grid .blog-card:first-child .blog-card-title {
  font-size: 26px;
}

/* ── Blog Card ──────────────────────────────────────────── */
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.blog-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card-body {
  padding: 24px 28px 28px;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.blog-card-category {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--black);
  background: var(--gray-100);
  padding: 3px 10px;
  border-radius: 100px;
}
.blog-card-date {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--gray-400);
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-500);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-footer {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.blog-card-read-time {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--gray-400);
}
.blog-card-author {
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
}

/* ── Empty State ────────────────────────────────────────── */
.blog-empty {
  text-align: center;
  padding: 80px 20px;
}
.blog-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--gray-400);
}

/* ── Blog Post (Article Page) ───────────────────────────── */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px;
}
.blog-article-header {
  padding: 80px 0 40px;
  text-align: center;
}
.blog-article-title {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 20px;
}
.blog-article-subtitle {
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.6;
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto 28px;
}
.blog-article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-400);
}
.blog-article-meta-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gray-300);
}
.blog-hero-img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 48px;
  background: var(--gray-100);
  overflow: hidden;
}
.blog-hero-img img {
  width: 100%;
  display: block;
}

/* ── Article Body Prose ─────────────────────────────────── */
.blog-prose h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 48px 0 16px;
}
.blog-prose h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 36px 0 12px;
}
.blog-prose p {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 20px;
}
.blog-prose ul, .blog-prose ol {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 20px;
  padding-left: 24px;
}
.blog-prose li {
  margin-bottom: 8px;
}
.blog-prose blockquote {
  border-left: 3px solid var(--black);
  padding: 4px 0 4px 24px;
  margin: 32px 0;
}
.blog-prose blockquote p {
  font-size: 19px;
  font-style: italic;
  color: var(--gray-700);
  margin-bottom: 0;
}
.blog-prose code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--gray-700);
}
.blog-prose pre {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 24px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 28px 0;
}
.blog-prose pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 13px;
}
.blog-prose img {
  width: 100%;
  border-radius: 10px;
  margin: 32px 0;
}
.blog-prose a {
  color: var(--black);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.blog-prose a:hover {
  text-decoration-thickness: 2px;
}
.blog-prose hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 48px 0;
}
.blog-prose strong {
  font-weight: 600;
  color: var(--black);
}

/* ── Author Bio (bottom of article) ────────────────────── */
.blog-author-bio {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  background: var(--gray-50);
  border-radius: 12px;
  margin: 56px 0 0;
}
.blog-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gray-200);
  flex-shrink: 0;
  overflow: hidden;
}
.blog-author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-author-name {
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 4px;
}
.blog-author-role {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ── Related Posts ──────────────────────────────────────── */
.blog-related {
  padding: 80px 0;
  border-top: 1px solid var(--gray-200);
  margin-top: 80px;
}
.blog-related-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1023px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-grid .blog-card:first-child .blog-card-body {
    padding: 24px 28px 28px;
  }
  .blog-grid .blog-card:first-child .blog-card-title {
    font-size: 20px;
  }
  .blog-article {
    padding: 0 24px;
  }
  .blog-article-title {
    font-size: 32px;
  }
  .blog-prose h2 {
    font-size: 24px;
  }
}