/* ============================================
   PathPro Blog — blog.css
   Blog listing + article detail styles
   ============================================ */

/* ============================================
   BLOG HERO (compact)
   ============================================ */
.blog-hero {
  padding: 7rem 0 5.3rem;
  text-align: center;
  background: linear-gradient(160deg, #1A0A2E 0%, #2D1150 40%, #3B1668 70%, #2A0E45 100%);
  position: relative;
  overflow: hidden;
}

.blog-hero__title {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 0.05rem;
  position: relative;
}

.blog-hero__title .gradient-text {
  background: linear-gradient(90deg, #8B5CF6, #D946EF, #EC4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 540px;
  margin: 0 auto;
  position: relative;
}

/* ============================================
   BLOG FILTERS
   ============================================ */
.blog-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.blog-filter {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: var(--font-family);
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.blog-filter:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.blog-filter.is-active {
  color: #FFFFFF;
  background: var(--gradient-cta);
  border-color: transparent;
}

/* ============================================
   BLOG LISTING GRID
   ============================================ */
.blog-listing {
  padding: calc(var(--section-padding) / 2) 0 var(--section-padding);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ---- Blog Card ---- */
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.blog-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.875rem;
}

.blog-card__category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.25);
  color: var(--violet-primary);
  width: fit-content;
  letter-spacing: 0.02em;
}

.blog-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Staggered animation */
.blog-grid .blog-card:nth-child(2) { transition-delay: 0.1s; }
.blog-grid .blog-card:nth-child(3) { transition-delay: 0.2s; }
.blog-grid .blog-card:nth-child(4) { transition-delay: 0.3s; }
.blog-grid .blog-card:nth-child(5) { transition-delay: 0.4s; }
.blog-grid .blog-card:nth-child(6) { transition-delay: 0.5s; }
.blog-grid .blog-card:nth-child(7) { transition-delay: 0.6s; }
.blog-grid .blog-card:nth-child(8) { transition-delay: 0.7s; }
.blog-grid .blog-card:nth-child(9) { transition-delay: 0.8s; }

/* ============================================
   ARTICLE DETAIL
   ============================================ */
.article {
  padding: 8rem 0 4rem;
}

.article__header {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}

.article__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.article__title {
  font-size: clamp(1.75rem, 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.article__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.article__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.article__author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  color: #FFFFFF;
  flex-shrink: 0;
}

.article__author-info {
  text-align: left;
}

.article__author-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.article__author-role {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ---- Article Body — Rich Typography ---- */
.article__body {
  max-width: 720px;
  margin: 0 auto;
}

.article__body h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article__body h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.article__body p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.article__body ul,
.article__body ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.article__body ul {
  list-style: disc;
}

.article__body ol {
  list-style: decimal;
}

.article__body li {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.article__body li strong {
  color: var(--text-primary);
}

.article__body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article__body a {
  color: var(--violet-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article__body a:hover {
  color: var(--violet-dark, #6D28D9);
}

.article__body blockquote {
  border-left: 3px solid;
  border-image: var(--gradient-brand) 1;
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article__body blockquote p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--text-primary);
}

/* ---- Comparison Table ---- */
.article__table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.article__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 540px;
}

.article__table thead th {
  padding: 0.875rem 1rem;
  text-align: center;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.article__table thead th:first-child {
  text-align: left;
}

.article__table thead th.is-highlight {
  background: rgba(124, 58, 237, 0.08);
  color: var(--violet-primary);
}

.article__table tbody td {
  padding: 0.75rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border-card);
  color: var(--text-secondary);
}

.article__table tbody td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-primary);
}

.article__table tbody tr:last-child td {
  border-bottom: none;
}

.article__table tbody td.is-highlight {
  background: rgba(124, 58, 237, 0.04);
}

.article__table .check {
  color: var(--success);
  font-size: 1.125rem;
}

.article__table .dash {
  color: #CBD5E1;
}

/* ---- Article CTA ---- */
.article__cta {
  max-width: 720px;
  margin: 3rem auto 0;
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.article__cta-text {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.article__cta .btn-primary {
  margin-bottom: 0.75rem;
}

.article__cta-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ---- Back to Blog link ---- */
.article__back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 2rem;
  transition: color var(--transition-fast);
}

.article__back:hover {
  color: var(--violet-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .blog-hero {
    padding: 7rem 0 2rem;
  }

  .article {
    padding: 6rem 0 3rem;
  }

  .article__meta {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .article__table-wrapper {
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}