/* ===== CSS VARIABLES & RESET ===== */
:root {
  /* Light Professional Color Palette */
  --color-primary: #3b82f6;      /* Bright professional blue */
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-secondary: #6b7280;    /* Warm gray */
  --color-accent: #10b981;       /* Fresh emerald green */
  --color-accent-dark: #059669;
  
  /* Light Neutral Colors */
  --color-background: #ffffff;   /* Pure white */
  --color-surface: #f9fafb;      /* Very light gray */
  --color-surface-dark: #f3f4f6; /* Light gray */
  --color-border: #e5e7eb;       /* Soft border */
  --color-text: #374151;         /* Softer dark gray */
  --color-text-light: #6b7280;   /* Medium gray */
  --color-text-muted: #9ca3af;   /* Light gray */
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: "Georgia", "Times New Roman", serif;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --content-max-width: 800px;
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
}

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

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

/* ===== LAYOUT COMPONENTS ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
  padding: var(--space-8) 0;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--border-radius);
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== HEADER & NAVIGATION ===== */
.site-header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.site-brand {
  flex-shrink: 0;
}

.site-logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.logo-image {
  height: 40px;
  width: auto;
}

.logo-text {
  color: var(--color-primary);
}

.nav-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-toggle:hover {
  background-color: var(--color-surface);
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 4px 0;
  transition: var(--transition);
}

.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-slow);
}

.nav-menu.active {
  max-height: 400px;
}

.nav-list {
  list-style: none;
  padding: var(--space-4) 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  background-color: var(--color-surface);
  border-left-color: var(--color-primary);
  text-decoration: none;
}

.nav-social {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    position: static;
    max-height: none;
    background: none;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: 0;
  }
  
  .nav-link {
    padding: var(--space-2) 0;
    border: none;
    border-bottom: 2px solid transparent;
  }
  
  .nav-link:hover,
  .nav-link:focus,
  .nav-link.active {
    background: none;
    border-bottom-color: var(--color-primary);
  }
  
  .nav-social {
    border: none;
    padding: 0;
  }
}

/* ===== HOMEPAGE STYLES ===== */
.homepage {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.hero-section {
  text-align: center;
  padding: var(--space-16) 0 var(--space-12);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 50%, #fefefe 100%);
  margin: 0 calc(-1 * var(--space-4)) var(--space-12);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.hero-content {
  max-width: 600px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .homepage {
    padding: 0 var(--space-6);
  }
  
  .hero-section {
    margin: 0 calc(-1 * var(--space-6)) var(--space-16);
  }
}

/* ===== SECTIONS ===== */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
}

.section-title {
  font-size: var(--font-size-3xl);
  color: var(--color-text);
  margin-bottom: 0;
}

.section-link {
  color: var(--color-primary);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.section-link:hover {
  background-color: var(--color-surface);
  text-decoration: none;
}

/* ===== FEATURED POSTS ===== */
.featured-posts {
  margin-bottom: var(--space-16);
}

.featured-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.featured-card {
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  height: 100%;
}

.featured-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.featured-content {
  padding: var(--space-6);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.featured-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.featured-title a {
  color: var(--color-text);
  text-decoration: none;
}

.featured-title a:hover {
  color: var(--color-primary);
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.featured-excerpt {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== POSTS GRID ===== */
.recent-posts,
.content-list {
  margin-bottom: var(--space-12);
}

.posts-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.post-card {
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.post-content {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.post-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.post-title a {
  color: var(--color-text);
  text-decoration: none;
}

.post-title a:hover {
  color: var(--color-primary);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.post-date {
  color: var(--color-text-light);
}

.post-categories,
.post-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.category-link,
.tag-link {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: var(--transition);
}

.category-link:hover,
.tag-link:hover {
  background: var(--color-primary);
  color: white;
  text-decoration: none;
}

.post-excerpt {
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}

.post-footer {
  margin-top: auto;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.read-more-link:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* ===== CATEGORIES SECTION ===== */
.categories-section {
  background: var(--color-surface);
  padding: var(--space-12) 0;
  margin: var(--space-16) calc(-1 * var(--space-4)) 0;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .categories-section {
    margin: var(--space-16) calc(-1 * var(--space-6)) 0;
  }
}

.categories-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.category-card {
  background: var(--color-background);
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  text-align: center;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  border-color: var(--color-primary);
}

.category-name {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.category-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ===== SINGLE POST STYLES ===== */
.content-single {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .content-single {
    padding: 0 var(--space-6);
  }
}

.article-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.article-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .article-title {
    font-size: 3.5rem;
  }
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.article-categories {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.article-content {
  line-height: 1.8;
  margin-bottom: var(--space-12);
}

/* Article Content Lists */
.article-content ul,
.article-content ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-8);
}

@media (max-width: 767px) {
  .article-content ul,
  .article-content ol {
    padding-left: var(--space-6);
    margin-left: var(--space-2);
  }
}

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

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

.article-content li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-2);
}

.article-content ul ul,
.article-content ol ol,
.article-content ul ol,
.article-content ol ul {
  margin: var(--space-2) 0;
  padding-left: var(--space-6);
}

@media (max-width: 767px) {
  .article-content ul ul,
  .article-content ol ol,
  .article-content ul ol,
  .article-content ol ul {
    padding-left: var(--space-5);
  }
}

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

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

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin: var(--space-6) 0;
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-text-light);
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--border-radius);
}

.article-content code {
  background: var(--color-surface);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  color: var(--color-accent-dark);
}

.article-content pre {
  background: var(--color-surface-dark);
  padding: var(--space-6);
  border-radius: var(--border-radius);
  overflow-x: auto;
  margin: var(--space-6) 0;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: var(--color-text);
}

.article-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  margin-bottom: var(--space-12);
}

.article-tags {
  margin-bottom: var(--space-4);
}

.tags-label {
  font-weight: 600;
  color: var(--color-text);
  margin-right: var(--space-3);
}

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

/* ===== LINK WHEEL SIMPLE LIST ===== */
.link-wheel-simple {
  margin: var(--space-8) 0 var(--space-6);
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.link-wheel-simple-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-family: var(--font-family-base);
}

.link-wheel-simple-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.link-wheel-simple-item {
  margin-bottom: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.link-wheel-simple-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.link-wheel-simple-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: block;
  padding: var(--space-1) 0;
}

.link-wheel-simple-link:hover,
.link-wheel-simple-link:focus {
  color: var(--color-primary);
  text-decoration: none;
  padding-left: var(--space-2);
}

.link-wheel-simple-link::before {
  content: '→ ';
  opacity: 0;
  transition: var(--transition);
}

.link-wheel-simple-link:hover::before,
.link-wheel-simple-link:focus::before {
  opacity: 1;
}

/* ===== LINK WHEEL POSTS (OLD - KEEPING FOR COMPATIBILITY) ===== */
.link-wheel-posts {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 50%, #fefefe 100%);
  padding: var(--space-12) 0;
  margin: var(--space-16) calc(-1 * var(--content-max-width)) 0;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.link-wheel-title {
  text-align: center;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.link-wheel-subtitle {
  text-align: center;
  margin-bottom: var(--space-8);
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
}

.link-wheel-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .link-wheel-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .link-wheel-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .link-wheel-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.link-wheel-card {
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.link-wheel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.link-wheel-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.link-wheel-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.link-wheel-content {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.link-wheel-post-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.link-wheel-post-title a {
  color: var(--color-text);
  text-decoration: none;
}

.link-wheel-post-title a:hover {
  color: var(--color-primary);
}

.link-wheel-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.link-wheel-date {
  color: var(--color-text-light);
}

.link-wheel-categories {
  display: flex;
  gap: var(--space-2);
}

.link-wheel-category-tag {
  background: var(--color-primary);
  color: white;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.link-wheel-excerpt {
  color: var(--color-text-light);
  line-height: 1.5;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  flex: 1;
}

.link-wheel-footer {
  margin-top: auto;
}

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

.link-wheel-read-more:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
  transform: translateX(2px);
}

.link-wheel-navigation {
  max-width: var(--container-max-width);
  margin: var(--space-8) auto 0;
  padding: 0 var(--space-4);
  text-align: center;
}

@media (min-width: 768px) {
  .link-wheel-navigation {
    padding: 0 var(--space-6);
  }
}

.link-wheel-info {
  background: var(--color-background);
  padding: var(--space-4);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin: 0;
}

.link-wheel-info strong {
  color: var(--color-primary);
}

/* ===== RELATED POSTS ===== */
.related-posts {
  background: var(--color-surface);
  padding: var(--space-12) 0;
  margin: var(--space-16) calc(-1 * var(--content-max-width)) 0;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.related-title {
  text-align: center;
  margin-bottom: var(--space-8);
}

.related-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.related-card {
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.related-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

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

.related-content {
  padding: var(--space-5);
}

.related-post-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.related-post-title a {
  color: var(--color-text);
  text-decoration: none;
}

.related-post-title a:hover {
  color: var(--color-primary);
}

.related-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.related-categories {
  display: flex;
  gap: var(--space-2);
}

.category-tag {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
}

.related-excerpt {
  color: var(--color-text-light);
  line-height: 1.6;
  font-size: var(--font-size-sm);
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
}

.pagination-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
}

.pagination-link:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
  color: white;
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

@media (max-width: 767px) {
  .pagination {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .pagination-link {
    width: 100%;
    justify-content: center;
  }
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-16);
}

.footer-content {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section {
  margin-bottom: var(--space-6);
}

.footer-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.footer-section-title {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer-description {
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.footer-nav,
.footer-categories-list {
  list-style: none;
}

.footer-nav li,
.footer-categories-list li {
  margin-bottom: var(--space-2);
}

.footer-nav a,
.footer-categories-list a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

.footer-nav a:hover,
.footer-categories-list a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-link {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.contact-link:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

@media (max-width: 767px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* ===== UTILITY CLASSES ===== */
.no-posts {
  text-align: center;
  padding: var(--space-12) 0;
  color: var(--color-text-light);
}

/* Social Icons */
.social-icon {
  width: 20px;
  height: 20px;
  display: inline-block;
}

.social-icon::before {
  content: "";
  display: inline-block;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.social-twitter::before {
  content: "𝕏";
  font-size: 16px;
  line-height: 20px;
  text-align: center;
}

.social-linkedin::before {
  content: "in";
  font-weight: bold;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
}

.social-facebook::before {
  content: "f";
  font-weight: bold;
  font-size: 16px;
  line-height: 20px;
  text-align: center;
}

.social-instagram::before {
  content: "📷";
  font-size: 16px;
  line-height: 20px;
  text-align: center;
}

/* Responsive Utilities */
@media (max-width: 767px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 768px) {
  .hide-desktop {
    display: none;
  }
}

/* ===== READING PROGRESS BAR ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(37, 99, 235, 0.1);
  z-index: 1000;
}

.reading-progress-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* ===== CODE COPY BUTTON ===== */
.code-copy-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--color-secondary);
  color: white;
  border: none;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  cursor: pointer;
  opacity: 0;
  transition: var(--transition);
}

pre:hover .code-copy-btn {
  opacity: 1;
}

.code-copy-btn:hover {
  background: var(--color-primary);
}

/* ===== FOCUS STYLES FOR ACCESSIBILITY ===== */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Custom focus styles for specific elements */
.nav-toggle:focus,
.pagination-link:focus,
.contact-link:focus,
.social-link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== DARK MODE SUPPORT (Optional) ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-surface-dark: #334155;
    --color-border: #475569;
    --color-text: #f1f5f9;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .pagination,
  .related-posts,
  .reading-progress,
  .code-copy-btn {
    display: none !important;
  }
  
  .site-main {
    padding: 0;
  }
  
  .article-content {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .article-content h1,
  .article-content h2,
  .article-content h3,
  .article-content h4,
  .article-content h5,
  .article-content h6 {
    page-break-after: avoid;
  }
  
  .article-content img {
    max-width: 100% !important;
    height: auto !important;
  }
  
  .article-content a::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }
}