/* Updated to match the design system variables */
:root {
  /* Enhanced Color Palette */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #93c5fd;
  --secondary: #dc2626;
  --secondary-dark: #b91c1c;
  --secondary-light: #fca5a5;
  --dark: #1e293b;
  --darker: #0f172a;
  --light: #f8fafc;
  --lighter: #ffffff;
  --gray: #64748b;
  --gray-light: #e2e8f0;
  --gray-dark: #475569;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Typography */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
}

/* Base Styles */
.blog-page {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  -webkit-font-smoothing: antialiased;
  background-color: var(--light);
}

/* Blog Header */
.blog-header {
  background: linear-gradient(135deg, var(--darker), var(--primary-dark));
  color: var(--lighter);
  padding: 6rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-header h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  color: var(--lighter);
}

.blog-header p {
  font-size: var(--text-xl);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Blog Container */
.blog-container {
  padding: 4rem 0;
  max-width: 1200px;
  margin: 0 auto;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

/* Blog Card */
.blog-card {
  background: var(--lighter);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  height: 220px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: var(--text-sm);
  color: var(--gray);
}

.blog-meta i {
  margin-right: 0.5rem;
}

.blog-content h2 {
  font-size: var(--text-xl);
  margin-bottom: 1rem;
  color: var(--darker);
}

.blog-content h2 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.blog-content h2 a:hover {
  color: var(--primary);
}

.blog-content p {
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.read-more i {
  margin-left: 0.5rem;
  transition: transform var(--transition);
}

.read-more:hover {
  color: var(--primary-dark);
}

.read-more:hover i {
  transform: translateX(5px);
}

/* Newsletter Section */
.newsletter-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--lighter);
  padding: 4rem 0;
  text-align: center;
  border-radius: var(--radius-xl);
  margin: 0 1rem 4rem;
}

.newsletter-content {
  max-width: 700px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-size: var(--text-3xl);
  margin-bottom: 1rem;
  color: var(--lighter);
}

.newsletter-content p {
  font-size: var(--text-lg);
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

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

.newsletter-form input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  font-size: var(--text-base);
  outline: none;
}

.newsletter-form button {
  background: var(--darker);
  color: var(--lighter);
  border: none;
  padding: 0 1.5rem;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.newsletter-form button:hover {
  background: var(--dark);
}

.newsletter-success,
.newsletter-error {
  padding: 1rem;
  margin-top: 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.newsletter-success {
  background: rgba(39, 174, 96, 0.2);
  color: #27ae60;
}

.newsletter-error {
  background: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
}

/* Blog Post Header */
.blog-post-header {
  background: var(--lighter);
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--gray-light);
}

.blog-post-header .container {
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: var(--text-sm);
}

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

.breadcrumb a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--dark);
  font-weight: 500;
}

.blog-post-header h1 {
  font-size: var(--text-4xl);
  color: var(--darker);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.post-meta {
  display: flex;
  gap: 1.5rem;
  color: var(--gray);
  font-size: var(--text-sm);
  margin-bottom: 1rem;
}

.post-meta i {
  margin-right: 0.5rem;
}

/* Blog Post Container */
.blog-post-container {
  display: flex;
  gap: 2rem;
  padding: 3rem 0;
  max-width: 1200px;
  margin: 0 auto;
}

.blog-post {
  flex: 1;
  max-width: 800px;
  background: var(--lighter);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.post-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}

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

.post-content {
  line-height: 1.7;
  color: var(--dark);
  font-size: var(--text-lg);
}

.post-content h2,
.post-content h3 {
  color: var(--darker);
  margin: 2rem 0 1.5rem;
  font-weight: 700;
}

.post-content p {
  margin-bottom: 1.5rem;
}

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

.post-content li {
  margin-bottom: 0.75rem;
}

.post-content blockquote {
  background: var(--gray-light);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--dark);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.post-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-light);
}

.post-tags span {
  font-weight: 600;
  color: var(--darker);
}

.post-tags a {
  display: inline-block;
  background: var(--gray-light);
  color: var(--gray-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all var(--transition);
}

.post-tags a:hover {
  background: var(--primary);
  color: var(--lighter);
}

.post-share {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0;
}

.post-share span {
  font-weight: 600;
  color: var(--darker);
}

.post-share a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-light);
  color: var(--gray-dark);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition);
}

.post-share a:hover {
  background: var(--primary);
  color: var(--lighter);
  transform: translateY(-3px);
}

/* Blog Sidebar */
.blog-sidebar {
  width: 300px;
}

.sidebar-section {
  background: var(--lighter);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.sidebar-section h3 {
  color: var(--darker);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--gray-light);
}

.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-light);
}

.sidebar-section li:last-child {
  border-bottom: none;
}

.sidebar-section li a {
  color: var(--dark);
  text-decoration: none;
  transition: color var(--transition);
  display: block;
}

.sidebar-section li a:hover {
  color: var(--primary);
}

.sidebar-section li span {
  display: block;
  font-size: var(--text-xs);
  color: var(--gray);
  margin-top: 0.25rem;
}

.sidebar-cta {
  background: linear-gradient(to right, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: var(--lighter);
  text-align: center;
}

.sidebar-cta h3 {
  color: var(--lighter);
  margin-bottom: 1rem;
  border-bottom: none;
}

.sidebar-cta p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.sidebar-cta .btn {
  background: var(--lighter);
  color: var(--primary);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  display: inline-block;
  transition: all var(--transition);
}

.sidebar-cta .btn:hover {
  background: var(--gray-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Related Posts */
.related-posts {
  background: var(--gray-light);
  padding: 4rem 0;
  border-radius: var(--radius-xl);
  margin-top: 3rem;
}

.related-posts h2 {
  text-align: center;
  color: var(--darker);
  margin-bottom: 2rem;
  font-size: var(--text-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.related-card {
  background: var(--lighter);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}

.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.related-content {
  padding: 1.5rem;
}

.related-content h3 {
  font-size: var(--text-lg);
  margin-bottom: 0.75rem;
  color: var(--darker);
}

.related-content h3 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.related-content h3 a:hover {
  color: var(--primary);
}

.related-content p {
  color: var(--gray);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Scroll to top button */
#scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--lighter);
  border: none;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

#scroll-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .blog-post-container {
    flex-direction: column;
  }

  .blog-sidebar {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .blog-header {
    padding: 4rem 0;
  }

  .blog-header h1 {
    font-size: var(--text-3xl);
  }

  .blog-post-header h1 {
    font-size: var(--text-2xl);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form input,
  .newsletter-form button {
    width: 100%;
    border-radius: var(--radius-lg);
  }

  .newsletter-form button {
    margin-top: 0.5rem;
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .post-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}