/* Blog - Modern layout and typography */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root {
  --blog-bg: #fafafa;
  --blog-surface: #ffffff;
  --blog-text: #0f172a;
  --blog-text-muted: #64748b;
  --blog-border: #e2e8f0;
  --blog-primary: #0f172a;
  --blog-primary-soft: #1e293b;
  --blog-accent: #3b82f6;
  --blog-accent-soft: rgba(59, 130, 246, 0.08);
  --blog-radius: 16px;
  --blog-radius-sm: 10px;
  --blog-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --blog-shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.04);
  --blog-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --blog-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --blog-font-heading: 'Instrument Serif', Georgia, serif;
}

/* Scope blog sections so we don't break main.css header */
.blog-hero,
.blog-categories,
.blog-container {
  font-family: var(--blog-font);
}

/* ----- Hero ----- */
.blog-hero {
  padding: 160px 0 100px;
  background: var(--blog-bg);
  position: relative;
}

.blog-hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.blog-hero h1 {
  font-family: var(--blog-font-heading);
  font-size: clamp(2.75rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--blog-text);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.blog-hero h1 span {
  font-style: italic;
  color: var(--blog-primary);
}

.blog-hero .hero-subtitle {
  font-size: 1.125rem;
  color: var(--blog-text-muted);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 40px;
  font-weight: 500;
}

.blog-search {
  max-width: 520px;
  width: 100%;
  position: relative;
}

.blog-search input {
  width: 100%;
  padding: 16px 24px;
  padding-right: 110px;
  border-radius: 100px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface);
  font-size: 0.9375rem;
  font-family: var(--blog-font);
  color: var(--blog-text);
  transition: border-color 0.2s var(--blog-ease), box-shadow 0.2s var(--blog-ease);
}

.blog-search input::placeholder {
  color: var(--blog-text-muted);
}

.blog-search input:focus {
  outline: none;
  border-color: var(--blog-accent);
  box-shadow: 0 0 0 3px var(--blog-accent-soft);
}

.blog-search button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  padding: 10px 20px;
  border-radius: 100px;
  border: none;
  background: var(--blog-primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--blog-font);
  cursor: pointer;
  transition: background 0.2s var(--blog-ease), transform 0.2s var(--blog-ease);
}

.blog-search button:hover {
  background: var(--blog-primary-soft);
}

.blog-search button:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

/* ----- Categories ----- */
.blog-categories {
  padding: 48px 0 56px;
  background: var(--blog-surface);
  border-bottom: 1px solid var(--blog-border);
}

.blog-categories .section-header {
  margin-bottom: 24px;
}

.blog-categories .section-header h2 {
  font-family: var(--blog-font);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blog-text-muted);
}

.blog-categories .section-header h2 span {
  color: var(--blog-text);
}

.categories-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 720px;
  margin: 0 auto;
}

.category-btn {
  padding: 12px 20px;
  min-height: 44px;
  border-radius: 100px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface);
  color: var(--blog-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--blog-font);
  cursor: pointer;
  transition: color 0.2s var(--blog-ease), background 0.2s var(--blog-ease), border-color 0.2s var(--blog-ease);
}

.category-btn:hover {
  color: var(--blog-text);
  border-color: var(--blog-text-muted);
  background: var(--blog-bg);
}

.category-btn.active {
  background: var(--blog-primary);
  border-color: var(--blog-primary);
  color: white;
}

.category-btn:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

/* ----- Grid & Cards ----- */
.blog-container {
  padding: 64px 0 80px;
  background: var(--blog-bg);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.blog-card {
  background: var(--blog-surface);
  border-radius: var(--blog-radius);
  overflow: hidden;
  box-shadow: var(--blog-shadow);
  border: 1px solid var(--blog-border);
  transition: transform 0.25s var(--blog-ease), box-shadow 0.25s var(--blog-ease), border-color 0.25s var(--blog-ease);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--blog-shadow-hover);
  border-color: transparent;
}

.blog-card:focus-within {
  box-shadow: 0 0 0 2px var(--blog-accent), var(--blog-shadow-hover);
}

.blog-card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--blog-border);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--blog-ease);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.03);
}

.blog-card-image .card-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--blog-font);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  backdrop-filter: blur(8px);
}

.blog-card-content {
  padding: 24px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  font-size: 0.8125rem;
  color: var(--blog-text-muted);
  flex-wrap: wrap;
}

.blog-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-card h3 {
  font-family: var(--blog-font);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--blog-text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.blog-card p {
  font-size: 0.9375rem;
  color: var(--blog-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--blog-border);
}

.blog-card-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--blog-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s var(--blog-ease), gap 0.2s var(--blog-ease);
}

.blog-card-link::after {
  content: '→';
  font-size: 1em;
}

.blog-card-link:hover {
  color: var(--blog-accent);
  gap: 10px;
}

.blog-card-link:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.share-post-btn {
  background: none;
  border: none;
  color: var(--blog-text-muted);
  font-size: 0.8125rem;
  font-family: var(--blog-font);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  transition: color 0.2s var(--blog-ease);
}

.share-post-btn:hover {
  color: var(--blog-primary);
}

.category-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--blog-accent-soft);
  color: var(--blog-accent);
}

/* ----- Pagination ----- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--blog-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  color: var(--blog-text);
  font-family: var(--blog-font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s var(--blog-ease), border-color 0.2s var(--blog-ease), color 0.2s var(--blog-ease);
}

.pagination-btn:hover:not(.disabled) {
  background: var(--blog-bg);
  border-color: var(--blog-text-muted);
}

.pagination-btn.active {
  background: var(--blog-primary);
  border-color: var(--blog-primary);
  color: white;
}

.pagination-btn.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pagination-btn:focus-visible:not(.disabled) {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

/* ----- Newsletter (if used) ----- */
.newsletter-section {
  padding: 80px 0;
  background: var(--blog-surface);
  font-family: var(--blog-font);
}

.newsletter-card {
  display: flex;
  background: var(--blog-surface);
  border-radius: var(--blog-radius);
  box-shadow: var(--blog-shadow);
  border: 1px solid var(--blog-border);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
}

.newsletter-content {
  flex: 1;
  padding: 50px;
}

.newsletter-content h3 {
  font-size: 1.75rem;
  margin-bottom: 12px;
  color: var(--blog-text);
}

.newsletter-content h3 span {
  color: var(--blog-primary);
}

.newsletter-content p {
  font-size: 1rem;
  color: var(--blog-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 10px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 18px;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-sm);
  font-size: 1rem;
  font-family: var(--blog-font);
  transition: border-color 0.2s var(--blog-ease);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--blog-accent);
}

.newsletter-form button {
  padding: 12px 24px;
  border-radius: var(--blog-radius-sm);
  background: var(--blog-primary);
  color: white;
  border: none;
  font-weight: 600;
  font-family: var(--blog-font);
  cursor: pointer;
  transition: background 0.2s var(--blog-ease);
}

.newsletter-form button:hover {
  background: var(--blog-primary-soft);
}

.newsletter-image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blog-bg);
}

.newsletter-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ----- Loading & empty states ----- */
.loading-posts {
  grid-column: 1 / -1;
  text-align: center;
  padding: 120px 24px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.loading-posts p {
  color: var(--blog-text-muted);
  font-size: 0.9375rem;
  margin: 0;
  margin-top: 20px;
  font-family: var(--blog-font);
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--blog-border);
  border-top-color: var(--blog-primary);
  border-radius: 50%;
  animation: blog-spin 0.7s linear infinite;
}

@keyframes blog-spin {
  to { transform: rotate(360deg); }
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 120px 24px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.no-results i {
  font-size: 3rem;
  color: var(--blog-border);
  margin-bottom: 20px;
}

.no-results.error-state i {
  color: rgba(239, 68, 68, 0.25);
}

.no-results h3 {
  font-family: var(--blog-font);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blog-text);
  margin-bottom: 8px;
}

.no-results p {
  font-size: 0.9375rem;
  color: var(--blog-text-muted);
  margin-bottom: 24px;
  max-width: 360px;
  line-height: 1.5;
}

.no-results .btn,
.no-results button {
  padding: 12px 24px;
  border-radius: 100px;
  background: var(--blog-primary);
  color: white;
  border: none;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--blog-font);
  cursor: pointer;
  transition: background 0.2s var(--blog-ease), transform 0.2s var(--blog-ease);
}

.no-results .btn:hover,
.no-results button:hover {
  background: var(--blog-primary-soft);
}

.blog-card-error {
  background: var(--blog-surface);
  border-radius: var(--blog-radius);
  padding: 32px;
  border: 1px solid var(--blog-border);
  text-align: center;
  font-family: var(--blog-font);
}

.blog-card-error h3 {
  color: #dc2626;
  margin-bottom: 12px;
}

/* ----- Responsive ----- */
@media (max-width: 992px) {
  .newsletter-card {
    flex-direction: column;
  }
  .newsletter-image {
    display: none;
  }
  .blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 140px 0 72px;
  }
  .blog-hero h1 {
    font-size: clamp(2.25rem, 8vw, 3rem);
  }
  .blog-categories {
    padding: 40px 0 44px;
  }
  .blog-container {
    padding: 48px 0 64px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .blog-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .categories-list {
    gap: 8px;
  }
  .category-btn {
    padding: 10px 16px;
    font-size: 0.8125rem;
  }
}

@media (max-width: 576px) {
  .blog-hero {
    padding: 120px 0 56px;
  }
  .blog-search input {
    padding: 14px 20px;
    padding-right: 100px;
  }
  .blog-search button {
    padding: 8px 16px;
    font-size: 0.8125rem;
  }
  .blog-card-content {
    padding: 20px;
  }
}