/* ===================================
   Blog-Specific Styles
   Extends main.css design system
   =================================== */

/* Blog Navigation Adjustments */
.blog-page .nav {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ===================================
   Blog Listing Page Styles
   =================================== */

.blog-hero {
  padding: calc(var(--space-4xl) + 80px) 0 var(--space-3xl);
  background: linear-gradient(180deg, var(--darkest-green) 0%, var(--black) 100%);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.blog-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.blog-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.blog-hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Blog Grid */
.blog-grid-section {
  padding: var(--space-3xl) 0;
  background: var(--black);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

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

/* Blog Card */
.blog-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--darkest-green), var(--dark-forest));
}

.blog-card-image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--darkest-green) 0%, var(--dark-forest) 50%, rgba(236, 72, 153, 0.2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-image-placeholder svg {
  width: 64px;
  height: 64px;
  color: var(--accent-green);
  opacity: 0.5;
}

.blog-card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.blog-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
}

.blog-card-date {
  font-size: var(--text-sm);
  color: var(--text-light);
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--accent-green);
}

.blog-card-excerpt {
  font-size: var(--text-base);
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
}

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-md);
  color: var(--accent-green);
  font-weight: 500;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.blog-card-link:hover {
  gap: 0.75rem;
}

.blog-card-link svg {
  width: 16px;
  height: 16px;
}

/* ===================================
   Article Page Styles
   =================================== */

.article-page {
  background: var(--black);
  min-height: 100vh;
}

/* Article Header */
.article-header {
  padding: calc(var(--space-4xl) + 80px) 0 var(--space-2xl);
  background: linear-gradient(180deg, var(--darkest-green) 0%, var(--black) 100%);
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 20% 30%, rgba(16, 185, 129, 0.12) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 70%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.article-header-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
}

.article-breadcrumb a {
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.article-breadcrumb span {
  color: var(--text-light);
  opacity: 0.5;
}

.article-breadcrumb-current {
  color: var(--text-medium);
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-category {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-sm);
}

.article-read-time {
  font-size: var(--text-sm);
  color: var(--text-light);
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.article-subtitle {
  font-size: var(--text-lg);
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.article-meta-bottom {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.article-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--deep-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: white;
}

.article-author-info {
  display: flex;
  flex-direction: column;
}

.article-author-name {
  font-weight: 600;
  color: var(--text-dark);
  font-size: var(--text-sm);
}

.article-date {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* Article Content */
.article-content-wrapper {
  padding: var(--space-3xl) 0;
}

.article-content {
  max-width: 720px;
  margin: 0 auto;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-dark);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-dark);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.article-content p {
  font-size: var(--text-lg);
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.article-content li {
  font-size: var(--text-lg);
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.article-content ul li {
  list-style-type: disc;
}

.article-content ol li {
  list-style-type: decimal;
}

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

.article-content a {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.article-content a:hover {
  color: var(--bright-green);
}

.article-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: rgba(16, 185, 129, 0.05);
  border-left: 4px solid var(--primary-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--text-medium);
}

/* Callout Box */
.article-callout {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.article-callout-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.article-callout-title svg {
  color: var(--accent-green);
}

.article-callout p {
  margin-bottom: 0;
  font-size: var(--text-base);
}

/* Table of Contents */
.article-toc {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.article-toc-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
}

.article-toc ol {
  margin: 0;
  padding-left: var(--space-md);
}

.article-toc li {
  font-size: var(--text-base);
  margin-bottom: var(--space-xs);
}

.article-toc a {
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.article-toc a:hover {
  color: var(--accent-green);
}

/* Subtle CTA Section */
.article-subtle-cta {
  margin: var(--space-2xl) 0;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(236, 72, 153, 0.05) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-xl);
  text-align: center;
}

.article-subtle-cta h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

.article-subtle-cta p {
  margin-bottom: var(--space-md);
  font-size: var(--text-base);
}

.article-subtle-cta .btn {
  display: inline-flex;
}

/* Article Footer */
.article-footer {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.article-tag {
  font-size: var(--text-sm);
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.article-tag:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

/* Share Section */
.article-share {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

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

.article-share-links {
  display: flex;
  gap: var(--space-sm);
}

.article-share-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.article-share-link:hover {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.article-share-link svg {
  width: 20px;
  height: 20px;
}

/* Related Articles */
.related-articles {
  padding: var(--space-3xl) 0;
  background: rgba(255, 255, 255, 0.01);
  border-top: 1px solid var(--border-color);
}

.related-articles-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .article-header {
    padding: calc(var(--space-3xl) + 60px) 0 var(--space-xl);
  }

  .article-title {
    font-size: 1.75rem;
  }

  .article-content h2 {
    font-size: var(--text-xl);
  }

  .article-content p,
  .article-content li {
    font-size: var(--text-base);
  }

  .article-meta-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}