/* Light Theme - Enhanced & Professional */
:root {
  /* Primary Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-accent: #eff6ff;
  --color-text-primary: #0f172a;
  --color-text-secondary: #64748b;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-light: #60a5fa;
  --color-border: #e2e8f0;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Brand Colors */
  --color-github: #333;
  --color-linkedin: #0077b5;
  --color-twitter: #1da1f2;
  --color-email: #ea4335;
  
  /* Gradient Colors */
  --color-gradient-start: #3b82f6;
  --color-gradient-end: #8b5cf6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  
  /* Transitions */
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Enhanced Logo with Gradient */
.nav-brand a {
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.nav-brand a:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--color-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

/* Main Content */
main {
  padding-top: 80px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}

/* Hero Section with Gradient Background */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-photo {
  margin-bottom: var(--spacing-md);
}

/* Colorful Border on Photo */
.hero-photo img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 4px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end)) border-box;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.hero-name {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.hero-location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.location-icon {
  color: var(--color-accent);
}

.hero-bio {
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.hero-bio p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.patent-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.patent-link:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent-hover);
}

/* Colorful Social Links */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: white;
  transition: var(--transition);
  position: relative;
}

/* Brand Colors for Social Media */
.social-link:nth-child(1) {
  background-color: var(--color-email);
}

.social-link:nth-child(2) {
  background-color: var(--color-github);
}

.social-link:nth-child(3) {
  background-color: var(--color-linkedin);
}

.social-link:nth-child(4) {
  background-color: var(--color-twitter);
}

.social-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.social-link svg {
  filter: brightness(0) invert(1);
}

/* Projects Section */
.projects {
  background-color: var(--color-bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.project-card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
  border-color: var(--color-accent-light);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.project-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-accent);
  border: 1px solid var(--color-accent-light);
  border-radius: 16px;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.project-links {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.875rem;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.813rem;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.project-link:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.project-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Filled buttons for Demo and Live - consolidated styles */
.project-link-demo,
.project-link-live {
  background-color: var(--color-accent);
  color: white;
  border: none;
}

.project-link-demo:hover,
.project-link-live:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Pulsing green dot for live demos only */
.project-link-live::after {
  content: "●";
  color: #10b981;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  animation: pulse-live 2s infinite;
}

@keyframes pulse-live {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Keep on one line on desktop */
@media (min-width: 768px) {
  .project-links {
    flex-wrap: nowrap;
  }
}

/* Blog Preview Section */
.blog-preview {
  padding: var(--spacing-xl) 0;
}

.blog-posts {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.blog-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  transition: var(--transition);
  background-color: var(--color-bg-primary);
  border-left: 4px solid transparent;
}

.blog-card:hover {
  border-left-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transform: translateX(4px);
}

.blog-card:last-child {
  margin-bottom: 0;
}

.blog-date {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.blog-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

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

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

.blog-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.blog-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.blog-link:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent-hover);
}

.blog-view-all {
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* Blog Page */
.blog-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.blog-list {
  display: grid;
  gap: var(--spacing-lg);
}

.blog-list-item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-md);
}

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

.no-posts {
  text-align: center;
  color: var(--color-text-secondary);
  padding: var(--spacing-xl) 0;
}

.back-link {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.back-link a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

/* Optimized card spacing for blog archive */
.blog-page .blog-card {
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: 0;
}

/* Limit excerpt length */
.blog-page .blog-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

/* Slightly smaller title on blog archive */
.blog-page .blog-title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.blog-page .back-link a {
  display: inline-block;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.blog-page .back-link a:hover {
  border-bottom-color: var(--color-accent);
}

/* Post Page - Enhanced Header */
.post {
  margin: 0 auto;
}

.post-header {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-bottom: 3px solid var(--color-accent);
  padding: var(--spacing-lg) 0;
  margin-bottom: var(--spacing-lg);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.post-header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.post-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.post-meta-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.post-date {
  display: inline;
  color: var(--color-text-secondary);
}

.meta-separator {
  color: var(--color-accent);
  font-weight: bold;
}

.reading-time {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Post Layout with Sidebar */
.post-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Sidebar */
.post-sidebar {
  position: relative;
}

.sidebar-sticky {
  position: sticky;
  top: 100px;
}

.post-meta-sidebar {
  background-color: var(--color-bg-secondary);
  border-radius: 12px;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.sidebar-section {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.sidebar-section h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-accent);
  color: white;
  border-radius: 16px;
  font-size: var(--font-size-sm);
  margin: 0.25rem 0.25rem 0.25rem 0;
  font-weight: 500;
}

.tag-small {
  background-color: var(--color-bg-primary);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--spacing-xs);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  color: white;
  transition: var(--transition);
}

.share-btn.twitter {
  background-color: var(--color-twitter);
}

.share-btn.linkedin {
  background-color: var(--color-linkedin);
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Enhanced Back Button */
.btn-back {
  display: block;
  width: 100%;
  padding: 0.625rem;
  margin-top: var(--spacing-md);
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  text-align: center;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
}

.btn-back:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Enhanced Post Content */
.post-content {
  max-width: 750px;
}

.post-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  padding-left: var(--spacing-md);
  border-left: 4px solid var(--color-accent);
}

.post-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.post-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: 1.125rem;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.post-content a:hover {
  border-bottom-color: var(--color-accent);
}

/* First paragraph emphasis */
.post-content > p:first-of-type {
  font-size: 1.25rem;
  color: var(--color-text-primary);
  font-weight: 400;
  line-height: 1.7;
}

/* Code blocks - Dark Theme */
.post-content code {
  background-color: #1e293b;
  color: #e2e8f0;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Monaco', 'Courier New', monospace;
}

.post-content pre {
  background-color: #1e293b;
  border: none;
  border-radius: 8px;
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.post-content pre code {
  background: none;
  padding: 0;
  color: #e2e8f0;
}

/* Lists */
.post-content ul,
.post-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Blockquotes */
.post-content blockquote {
  border-left: 4px solid var(--color-accent);
  background-color: var(--color-bg-accent);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--color-text-primary);
}

.post-categories {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.category {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.post-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.post-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  align-items: center;
}

.tag {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-accent);
  color: white;
  border-radius: 16px;
  font-size: var(--font-size-sm);
}

.post-nav {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.back-home {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

/* 404 Page */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-container {
  max-width: 600px;
  padding: var(--spacing-md);
}

.error-code {
  font-size: 6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.error-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.error-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.error-suggestions {
  text-align: left;
  margin: var(--spacing-lg) auto;
  max-width: 400px;
}

.error-list {
  list-style: none;
  padding: 0;
  margin-top: var(--spacing-sm);
}

.error-list li {
  margin-bottom: var(--spacing-xs);
}

.error-list a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

.error-list a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.error-links {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  border: 2px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-2px);
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
}

.footer-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 968px) {
  .post-layout {
    grid-template-columns: 1fr;
  }
  
  .post-sidebar {
    order: 2;
  }
  
  .post-content {
    order: 1;
  }
  
  .sidebar-sticky {
    position: static;
  }
  
  .post-meta-sidebar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-photo img {
    width: 220px;
    height: 220px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    gap: var(--spacing-xs);
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
  
  .post-title {
    font-size: 2rem;
  }
  
  .post-header {
    padding: var(--spacing-md) 0;
  }
  
  .post-content h2 {
    font-size: 1.5rem;
  }
  
  .error-code {
    font-size: 4rem;
  }
  
  .blog-page {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .blog-page .blog-title {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  .section-container {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .error-links {
    flex-direction: column;
  }
  
  .post-content {
    font-size: 1rem;
  }
  
  .post-content > p:first-of-type {
    font-size: 1.125rem;
  }
}