/* blog.css */

/* ============================================================
   Blog List - Hero
   ============================================================ */
.blog-hero {
  text-align: center;
  padding: 60px 0 40px;
  background: var(--color-bg-light);
}

.blog-hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.blog-hero p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   Blog List - Filter Tabs
   ============================================================ */
.blog-filter {
  display: flex;
  gap: 0;
  justify-content: center;
  padding: 32px 24px 0;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.blog-filter::-webkit-scrollbar {
  display: none;
}

.blog-filter-tab {
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  margin-bottom: -1px;
}

.blog-filter-tab:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.blog-filter-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   Blog List - Card Grid
   ============================================================ */
.blog-list-section {
  padding: 48px 0 80px;
}

.blog-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Blog Card
   ============================================================ */
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  backdrop-filter: blur(12px);
  transition: box-shadow var(--transition), transform var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card-image {
  width: 100%;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

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

.blog-card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

/* ============================================================
   Category Tag
   ============================================================ */
.blog-category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: 100px;
  width: fit-content;
}

/* ============================================================
   Blog Card - Title & Meta
   ============================================================ */
.blog-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-top: auto;
}

.blog-card-meta span + span::before {
  content: '·';
  margin-right: 8px;
}

/* ============================================================
   Blog Post - Article Layout
   ============================================================ */
.blog-post {
  padding-bottom: 80px;
}

.blog-post-hero {
  text-align: center;
  padding: 60px 24px 48px;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.blog-post-hero .blog-category-tag {
  margin-bottom: 16px;
}

.blog-post-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  max-width: 760px;
  margin: 0 auto 16px;
  line-height: 1.4;
}

.blog-post-meta {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* ============================================================
   Blog Post - Body
   ============================================================ */
.blog-post-body {
  max-width: 800px;
  padding-top: 48px;
  padding-bottom: 48px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-post-body p {
  margin-bottom: 24px;
}

.blog-post-body h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 40px 0 16px;
}

.blog-post-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 28px 0 12px;
}

.blog-post-body ul,
.blog-post-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
}

.blog-post-body li {
  margin-bottom: 8px;
}

.blog-post-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 12px 20px;
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ============================================================
   Blog Post - Footer
   ============================================================ */
.blog-post-footer {
  max-width: 800px;
  padding-top: 0;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .blog-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .blog-hero h1 {
    font-size: 1.625rem;
  }

  .blog-hero p {
    font-size: 0.9375rem;
  }

  .blog-filter-tab {
    padding: 10px 14px;
    font-size: 0.875rem;
  }

  .blog-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .blog-post-hero h1 {
    font-size: 1.5rem;
  }

  .blog-post-body {
    font-size: 1rem;
  }
}