/* Article Page Styles */

/* Active nav item */
.nav-menu a.active {
  color: var(--color-primary);
  position: relative;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.navbar-desktop.scrolled .nav-menu a.active {
  color: var(--color-primary);
}

.mobile-nav a.active {
  color: var(--color-primary) !important;
  border-left-color: var(--color-primary);
  background: rgba(22, 119, 255, 0.05);
}

/* News Hero Section */
.news-hero {
  position: relative;
  height: 45vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.news-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.news-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.news-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}

.news-hero-content h1 {
  font-size: 56px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.news-hero-content p {
  font-size: 20px;
  opacity: 0.95;
  letter-spacing: 2px;
}

/* News Filter Section */
.news-filter-section {
  padding: 40px 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 64px;
  z-index: 100;
  transition: box-shadow 0.3s ease;
}

.news-filter-section.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.news-filter {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: 10px 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.filter-btn:hover {
  background: #fff;
  border-color: var(--color-text);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}

/* Article Content Section */
.article-content-section {
  padding: 80px 0 120px;
  background: #fff;
}

/* Article Header Inline */
.article-header-inline {
  margin-bottom: 48px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 13px;
  color: var(--color-text-light);
}

.article-breadcrumb a {
  color: var(--color-text-light);
  transition: color 0.3s ease;
}

.article-breadcrumb a:hover {
  color: var(--color-text);
}

.article-breadcrumb span:not(.article-category):not(.article-date) {
  color: var(--color-border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.article-category {
  display: inline-block;
  padding: 4px 12px;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.article-date {
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.3px;
}

.article-title {
  font-size: 48px;
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 28px;
  letter-spacing: -1.2px;
}

.article-intro {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  padding-left: 20px;
  border-left: 3px solid var(--color-text);
  margin-bottom: 48px;
}

/* Article Featured Image */
.featured-image {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 ratio */
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-bottom: 56px;
}

.featured-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
}

/* Article Main Content */
.article-main {
  max-width: 100%;
}

.article-body {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 32px;
  font-weight: 400;
  margin: 64px 0 28px;
  color: var(--color-text);
  letter-spacing: -0.5px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 24px;
  font-weight: 500;
  margin: 48px 0 20px;
  color: var(--color-text);
}

.article-body p {
  margin-bottom: 24px;
  text-align: justify;
}

.article-body ul,
.article-body ol {
  margin: 28px 0;
  padding-left: 0;
  list-style: none;
}

.article-body li {
  margin-bottom: 16px;
  padding-left: 28px;
  position: relative;
}

.article-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

.article-body ol {
  counter-reset: item;
}

.article-body ol li {
  counter-increment: item;
}

.article-body ol li::before {
  content: counter(item) '.';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
  font-weight: 500;
}

.article-body strong {
  font-weight: 600;
  color: var(--color-text);
}

.article-body blockquote {
  margin: 48px 0;
  padding: 32px 40px;
  background: var(--color-bg);
  border-left: 3px solid var(--color-text);
  position: relative;
}

.article-body blockquote p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
  font-style: italic;
}

.article-body blockquote cite {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  font-style: normal;
  margin-top: 16px;
}

/* Article Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.tag {
  padding: 6px 16px;
  background: transparent;
  color: var(--color-text-light);
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: 0;
  transition: all 0.3s ease;
  cursor: pointer;
}

.tag:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

/* Article Share */
.article-share {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.share-label {
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}

.share-buttons {
  display: flex;
  gap: 12px;
}

.share-btn {
  padding: 8px 20px;
  background: transparent;
  color: var(--color-text);
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-btn:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: #fff;
}

/* Related Articles */
.related-articles {
  margin-top: 80px;
}

.related-articles h3 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 32px;
  color: var(--color-text);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.related-item {
  background: #fff;
  transition: all 0.3s ease;
  display: block;
  text-decoration: none;
}

.related-item:hover {
  background: rgba(26, 26, 26, 0.02);
}

.related-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.related-item:hover .related-image img {
  transform: scale(1.05);
}

.related-content {
  padding: 24px;
}

.related-content h4 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-date {
  font-size: 12px;
  color: var(--color-text-light);
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-widget {
  background: var(--color-bg);
  padding: 32px 28px;
  margin-bottom: 32px;
  border: 1px solid var(--color-border);
}

.widget-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 24px;
  color: var(--color-text);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

/* Widget List */
.widget-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.widget-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: all 0.3s ease;
}

.widget-item:last-child {
  border-bottom: none;
}

.widget-item:hover {
  padding-left: 8px;
}

.widget-item-title {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.widget-item-date {
  font-size: 12px;
  color: var(--color-text-light);
}

/* Widget Categories */
.widget-categories {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.category-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
  transition: all 0.3s ease;
}

.category-item:last-child {
  border-bottom: none;
}

.category-item:hover {
  padding-left: 8px;
  color: var(--color-text);
}

.category-count {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Sidebar CTA */
.sidebar-cta {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
}

.sidebar-cta h3 {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
  color: #fff;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-cta p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.cta-btn {
  display: inline-block;
  padding: 12px 32px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.cta-btn:hover {
  background: #fff;
  color: var(--color-text);
  border-color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .sidebar-widget {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .news-hero {
    height: 40vh;
    min-height: 350px;
  }

  .news-hero-content h1 {
    font-size: 36px;
  }

  .news-hero-content p {
    font-size: 16px;
  }

  .news-filter-section {
    padding: 24px 0;
    position: relative;
    top: 0;
  }

  .news-filter {
    gap: 12px;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 0 20px;
    margin: 0 -20px;
  }

  .filter-btn {
    padding: 8px 20px;
    font-size: 13px;
    white-space: nowrap;
  }

  .article-content-section {
    padding: 60px 0 80px;
  }

  .article-title {
    font-size: 32px;
    letter-spacing: -0.8px;
  }

  .article-intro {
    font-size: 15px;
    padding-left: 16px;
    margin-bottom: 40px;
  }

  .featured-image {
    margin-bottom: 40px;
  }

  .article-body {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 28px;
    margin: 48px 0 24px;
  }

  .article-body h3 {
    font-size: 20px;
    margin: 36px 0 16px;
  }

  .article-body blockquote {
    padding: 24px 28px;
    margin: 36px 0;
  }

  .article-body blockquote p {
    font-size: 16px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

  .article-share {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .share-buttons {
    width: 100%;
    justify-content: space-between;
  }

  .share-btn {
    flex: 1;
  }
}

@media (max-width: 480px) {
  .news-hero-content h1 {
    font-size: 28px;
  }

  .news-hero-content p {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .filter-btn {
    font-size: 13px;
    padding: 6px 16px;
  }

  .article-title {
    font-size: 28px;
  }

  .article-intro {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 24px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .article-tags {
    margin-top: 48px;
  }

  .related-articles {
    margin-top: 60px;
  }
}