/* ============================================================
   DKCOSM — Blog Page (Premium Dark Tech Edition)
   Immersive, high-end, responsive
   ============================================================ */

.page-blog {
  --accent: var(--dk-orange);
  --accent-light: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.2);
  background-color: #060912;
  color: var(--dk-gray-300);
}

.page-blog .section--alt {
  background-color: rgba(255, 255, 255, 0.02);
}

.page-blog hr, 
.page-blog [style*="border-top:1px solid var(--dk-gray-200)"] {
  border-color: rgba(255, 255, 255, 0.08) !important;
}

/* Hero */
.hero-blog {
  background: radial-gradient(circle at top right, #1e2a45 0%, #060912 100%);
  min-height: 55vh;
  display: flex;
  align-items: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-blog::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.05), transparent 50%);
  pointer-events: none;
}

.hero-blog h1 {
  color: #fff;
  font-size: var(--fs-h1);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, #fff 0%, var(--dk-gray-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-blog p {
  color: var(--dk-gray-400);
  max-width: 650px;
  font-size: 1.1rem;
}

/* Blog Layout */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-2xl) 0;
}

/* Featured Article */
.featured-article {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-2xl);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  display: block;
}

.featured-article img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}

.featured-article:hover img {
  transform: scale(1.05);
}

.featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #060912 0%, rgba(6, 9, 18, 0.4) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2xl);
}

.featured-tag {
  display: inline-block;
  padding: 0.4em 1em;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--border-radius-full);
  margin-bottom: var(--space-md);
  width: fit-content;
}

.featured-overlay h2 {
  color: #fff;
  font-size: var(--fs-h2);
  margin-bottom: var(--space-sm);
  max-width: 800px;
}

.featured-overlay p {
  color: var(--dk-gray-300);
  max-width: 600px;
  margin-bottom: var(--space-lg);
  font-size: 1.1rem;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--dk-gray-400);
  font-size: var(--fs-small);
  font-weight: 500;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.article-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.5s var(--ease-out);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.6);
}

.article-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}

.article-card:hover .article-card-image img {
  transform: scale(1.1);
}

.article-card-body {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-card-tag {
  display: inline-block;
  padding: 0.3em 0.8em;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-full);
  margin-bottom: 1rem;
  width: fit-content;
}

.article-card h3 {
  font-size: 1.4rem;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: #fff;
  transition: color 0.3s ease;
}

.article-card:hover h3 {
  color: var(--accent);
}

.article-card p {
  color: var(--dk-gray-400);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--dk-gray-500);
  font-size: 12px;
  font-weight: 600;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 120px;
}

.sidebar-block {
  background: rgba(255, 255, 255, 0.015);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--border-radius-xl);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: var(--space-xl);
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Search */
.search-wrap {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1rem 1.5rem;
  padding-right: 3.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  color: #fff;
  transition: all 0.3s ease;
}

.search-input:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
  outline: none;
}

.search-btn {
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dk-gray-500);
  transition: color 0.3s ease;
}

.search-input:focus + .search-btn,
.search-btn:hover {
  color: var(--accent);
}

.search-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
}

/* Categories */
.category-list li {
  margin-bottom: 0.5rem;
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  font-size: 0.9rem;
  color: var(--dk-gray-400);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: all 0.3s ease;
  font-weight: 500;
}

.category-link:hover, .category-link.active {
  color: #fff;
  padding-left: 0.5rem;
  border-bottom-color: var(--accent);
}

.category-count {
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  color: var(--dk-gray-400);
  transition: all 0.3s ease;
}

.category-link:hover .category-count,
.category-link.active .category-count {
  background: var(--accent);
  color: #fff;
}

/* Tags */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-pill {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--dk-gray-400);
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  transition: all 0.3s var(--ease-out);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tag-pill:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.tag-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 10px 20px var(--accent-glow);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-top: var(--space-3xl);
}

.page-btn {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--dk-gray-400);
  font-weight: 700;
  transition: all 0.3s ease;
}

.page-btn:hover, .page-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px var(--accent-glow);
}

/* Responsive */
@media (max-width: 1200px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
  }
  
  .sidebar-block {
    margin-bottom: 0;
    height: 100%;
  }
}

@media (max-width: 768px) {
  .hero-blog {
    min-height: 40vh;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    grid-template-columns: 1fr;
  }
  
  .featured-overlay {
    padding: var(--space-xl);
  }
  
  .featured-overlay h2 {
    font-size: 1.5rem;
  }
}

/* ============================================================
   ARTICLE DETAIL (article.html)
   ============================================================ */
.article-detail-wrap {
  padding-bottom: var(--space-3xl);
}

.article-header {
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: 900px;
}

.article-category {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: var(--border-radius-full);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.article-title {
  font-size: var(--fs-h1);
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.article-meta-detail {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--dk-gray-500);
  font-size: 0.9rem;
  font-weight: 500;
}

.article-main-image {
  width: 100%;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  margin: var(--space-xl) 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.article-main-image img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--dk-gray-300);
}

.article-content h2, .article-content h3 {
  color: #fff;
  margin: 3rem 0 1.5rem;
}

.article-content p {
  margin-bottom: 1.8rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.8rem;
  position: relative;
}

.article-content ul li::before {
  content: '→';
  position: absolute;
  left: -1.5rem;
  color: var(--accent);
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content a:hover {
  color: var(--accent-light);
}

.article-footer {
  max-width: 800px;
  margin: var(--space-3xl) auto 0;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
}

.back-to-blog:hover {
  color: var(--accent);
  transform: translateX(-5px);
}