/* =========================================
   BLOG STYLES — Caruso Tech Services
   ========================================= */

/* --- Blog Listing Page --- */
.blog-page {
  padding: 88px 0 80px;
  min-height: 100vh;
}

.blog-header {
  text-align: center;
  margin-bottom: 48px;
}
.blog-header h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.blog-header p {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Tag Filters --- */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 7px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(59,130,246,0.3);
}

/* --- Post Cards Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  border-color: var(--border-hover);
}
.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.blog-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(59,130,246,0.1);
  color: var(--accent);
  border: 1px solid rgba(59,130,246,0.15);
}
.blog-card-read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.blog-card-read .arrow {
  transition: transform 0.2s;
}
.blog-card:hover .blog-card-read .arrow {
  transform: translateX(4px);
}

/* --- No Results --- */
.blog-no-results {
  text-align: center;
  padding: 60px 0;
  color: var(--text-3);
  font-size: 1rem;
  display: none;
}

/* --- Blog Post Page --- */
.blog-post-page {
  padding: 120px 0 80px;
  min-height: 100vh;
}
.blog-post-content {
  max-width: 760px;
  margin: 0 auto;
}
.blog-post-content .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-2);
  margin-bottom: 32px;
  text-decoration: none;
}
.blog-post-content .back-link:hover {
  color: var(--accent);
}
.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 12px;
}
.blog-post-separator {
  color: var(--text-3);
}
.blog-post-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.blog-post-tags-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.blog-share-top {
  margin: 0;
  padding: 0;
  border: none;
}
.blog-post-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 36px 0 14px;
  color: var(--text);
}
.blog-post-content p {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 18px;
}
.blog-post-content ul {
  margin: 0 0 20px 20px;
}
.blog-post-content li {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 8px;
  list-style: disc;
}
.blog-post-content a {
  color: var(--accent);
}
.blog-post-content a:hover {
  text-decoration: underline;
}

/* CTA block */
.blog-post-cta {
  margin: 40px 0;
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(6,182,212,0.05));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
}
.blog-post-cta p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

/* Author block */
.blog-post-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 32px;
  margin-top: 40px;
  border-top: 1px solid var(--border);
}
.blog-post-author .author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.blog-post-author strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
}
.blog-post-author span {
  font-size: 0.82rem;
  color: var(--text-3);
}

/* Footnotes */
.footnote {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
  vertical-align: super;
  line-height: 0;
  margin-left: 1px;
}
.footnote:hover {
  text-decoration: underline;
}

/* Sources dropdown */
.blog-sources {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: inline-block;
}
.blog-sources-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: color 0.2s;
}
.blog-sources-toggle:hover {
  color: var(--text);
}
.blog-sources-toggle i {
  transition: transform 0.3s;
  font-size: 0.75rem;
}
.blog-sources.open .blog-sources-toggle i {
  transform: rotate(180deg);
}
.blog-sources-list {
  display: none;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.blog-sources.open .blog-sources-list {
  display: block;
}
.blog-sources-list ol {
  margin: 0;
  padding-left: 20px;
}
.blog-sources-list li {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 6px;
  list-style: decimal;
}
.blog-sources-list li a {
  color: var(--accent);
  word-break: break-all;
}
.blog-sources-list li a:hover {
  text-decoration: underline;
}

/* Share buttons */
.blog-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.blog-share-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
  margin-right: 4px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card-2);
  color: var(--text-2);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59,130,246,0.2);
}
.share-btn.linkedin:hover { color: #0A66C2; border-color: #0A66C2; }
.share-btn.twitter:hover { color: #1DA1F2; border-color: #1DA1F2; }
.share-btn.facebook:hover { color: #1877F2; border-color: #1877F2; }
.share-btn.email:hover { color: #22C55E; border-color: #22C55E; }
.share-btn.copy:hover { color: #F59E0B; border-color: #F59E0B; }
.share-btn.copy.copied {
  color: #22C55E;
  border-color: #22C55E;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-header h1 { font-size: 1.8rem; }
  .blog-post-content h1 { font-size: 1.7rem; }
}