/* css/frontend.css */

/* Hero & Homepage Styles */
.hero {
  position: relative;
  padding: 140px 24px 80px;
  text-align: center;
  overflow: hidden;
}

/* Background Glow Effects */
.hero-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-light) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(255, 255, 255, 0) 100%);
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}

.hero h1 {
  font-size: 3.5rem;
  letter-spacing: -1.5px;
  max-width: 800px;
  margin: 0 auto 20px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--muted-color);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Category Slider */
.categories-slider {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 24px;
  scrollbar-width: none; /* Firefox */
}

.categories-slider::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}

.category-pill {
  white-space: nowrap;
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-pill:hover, .category-pill.active {
  background: var(--primary-color);
  color: var(--primary-text-color);
  border-color: var(--primary-color);
}

/* Grid Layouts */
.blogs-grid, .news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

/* Blog Cards */
.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  overflow: hidden;
  background: var(--muted-light);
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover .card-img-wrapper img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-body {
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--muted-color);
  margin-bottom: 8px;
}

.card-meta .bullet {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--muted-color);
  display: inline-block;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-excerpt {
  font-size: 0.9rem;
  color: var(--muted-color);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--card-border);
}

.author-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--muted-light);
}

.author-name {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Featured Blog Post Card (Horizontal) */
.featured-blog-card {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  padding: 32px;
  border-radius: var(--border-radius-lg);
  align-items: center;
}

.featured-blog-card .card-img-wrapper {
  aspect-ratio: 16 / 10;
  border-radius: var(--border-radius-md);
}

.featured-blog-card .card-title {
  font-size: 1.85rem;
}

.featured-blog-card .card-excerpt {
  -webkit-line-clamp: 3;
  font-size: 0.95rem;
}

/* Newsletter Section */
.newsletter-card {
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--card-bg), rgba(37, 99, 235, 0.03));
  padding: 48px;
  text-align: center;
  max-width: 800px;
  margin: 48px auto;
}

.newsletter-card h3 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.newsletter-card p {
  color: var(--muted-color);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex-grow: 1;
}

/* Details Page (Blog & News Details) */
.details-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding-top: 100px;
}

.article-header {
  margin-bottom: 32px;
}

.article-title {
  font-size: 2.75rem;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.article-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  margin-bottom: 32px;
  background: var(--muted-light);
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--fg-color);
}

.article-content p {
  margin-bottom: 24px;
  opacity: 0.95;
}

.article-content h2 {
  font-size: 1.75rem;
  margin: 40px 0 16px;
}

.article-content h3 {
  font-size: 1.4rem;
  margin: 32px 0 12px;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 20px;
  font-style: italic;
  color: var(--muted-color);
  margin: 32px 0;
  font-size: 1.2rem;
}

.article-content img {
  border-radius: var(--border-radius-md);
  margin: 32px 0;
  width: 100%;
}

.article-content pre {
  background: var(--muted-light);
  padding: 20px;
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.9rem;
}

.article-tags {
  display: flex;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.tag-badge {
  padding: 4px 12px;
  border-radius: var(--border-radius-sm);
  background: var(--muted-light);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Sidebar & TOC */
.sidebar-sticky {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.toc-panel h4 {
  margin-bottom: 16px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted-color);
}

.toc-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.toc-links a {
  color: var(--muted-color);
  border-left: 2px solid transparent;
  padding-left: 12px;
}

.toc-links a:hover, .toc-links a.active {
  color: var(--accent-color);
  border-left-color: var(--accent-color);
}

/* Comments Section */
.comments-section {
  margin-top: 60px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.comment-item {
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.comment-author {
  font-weight: 600;
}

.comment-date {
  color: var(--muted-color);
}

.comment-body {
  font-size: 0.95rem;
}

/* Interactive icons (Likes, share) */
.interaction-bar {
  display: flex;
  gap: 24px;
}

.interaction-btn {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-color);
  cursor: pointer;
  font-size: 0.9rem;
}

.interaction-btn:hover {
  color: var(--accent-color);
}

.interaction-btn.liked {
  color: var(--error-color);
}

.interaction-btn.liked svg {
  fill: var(--error-color);
}

/* Search and Filters Layout (Listing Pages) */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  max-width: 400px;
  width: 100%;
}

.search-input-wrapper svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-color);
  pointer-events: none;
}

.search-input-wrapper input {
  padding-left: 40px;
}

.filter-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
}

.pagination-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  cursor: pointer;
}

.pagination-btn.active, .pagination-btn:hover:not(:disabled) {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Static Pages Layout */
.static-page {
  padding-top: 120px;
  max-width: 800px;
  margin: 0 auto;
}

.static-page h1 {
  margin-bottom: 24px;
}

.static-page p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.static-page h2 {
  margin-top: 36px;
  margin-bottom: 16px;
}

/* 404 page Layout */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: 24px;
}

.error-code {
  font-size: 8rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

/* Responsive details */
@media (max-width: 992px) {
  .details-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-sticky {
    position: static;
  }
}

@media (max-width: 768px) {
  .featured-blog-card {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .article-title {
    font-size: 2rem;
  }
  .newsletter-form {
    flex-direction: column;
  }
}

/* Home split grid responsive layout */
.trending-news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 48px;
}

@media (max-width: 992px) {
  .trending-news-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

/* Contact page responsive split layout */
.contact-split-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

@media (max-width: 992px) {
  .contact-split-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 32px;
  }
}

/* General two column responsive layout */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .two-col-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}