/* ============================================
   TECHPOLSE.COM - Premium Design System
   ============================================ */

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  
  /* Accent Colors */
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Neutral Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes */
  --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;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  
  /* 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;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 40px rgb(99 102 241 / 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --max-width-content: 820px;
  --max-width-wide: 1200px;
  --max-width-full: 1400px;
  --header-height: 72px;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #64748b;
  --border: #334155;
  --border-light: #1e293b;
  --shadow-glow: 0 0 40px rgb(99 102 241 / 0.25);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

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

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

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

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--primary);
}

pre {
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: var(--space-6);
  border: 1px solid var(--border);
}

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

blockquote {
  border-left: 4px solid var(--primary);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* ============================================
   Layout Components
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--max-width-content);
}

.container-full {
  max-width: var(--max-width-full);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .header {
  background: rgba(15, 23, 42, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    padding: var(--space-6);
    flex-direction: column;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-4);
  }
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.search-btn,
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.search-btn:hover,
.theme-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: var(--space-16) 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-text {
  max-width: 540px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--text-5xl);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.hero-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-image {
    order: -1;
  }
}

/* ============================================
   Section Titles
   ============================================ */
.section {
  padding: var(--space-20) 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.section-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-link:hover {
  gap: var(--space-3);
}

/* ============================================
   Post Cards
   ============================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 968px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .posts-grid {
    grid-template-columns: 1fr;
  }
}

.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.post-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

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

.post-card-body {
  padding: var(--space-6);
}

.post-card-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.post-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

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

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

.post-card-excerpt {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.post-card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Featured Post Card */
.post-card-featured {
  grid-column: span 2;
}

.post-card-featured .post-card-image {
  aspect-ratio: 21/9;
}

.post-card-featured .post-card-title {
  font-size: var(--text-2xl);
}

@media (max-width: 640px) {
  .post-card-featured {
    grid-column: span 1;
  }
  
  .post-card-featured .post-card-image {
    aspect-ratio: 16/10;
  }
}

/* ============================================
   Category Blocks
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

@media (max-width: 968px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.category-card:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.category-card:hover .category-icon,
.category-card:hover .category-name,
.category-card:hover .category-count {
  color: white;
}

.category-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.category-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  transition: color var(--transition-fast);
}

.category-count {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

/* ============================================
   Single Post Layout
   ============================================ */
.post-header {
  padding: var(--space-12) 0;
  text-align: center;
}

.post-header .post-category {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.post-header .post-title {
  font-size: var(--text-4xl);
  max-width: 800px;
  margin: 0 auto var(--space-6);
  letter-spacing: -0.02em;
}

.post-header .post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.post-featured-image {
  max-width: 1000px;
  margin: 0 auto var(--space-12);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.post-featured-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Post Content */
.post-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--space-12);
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 1024px) {
  .post-content-wrapper {
    grid-template-columns: 1fr;
  }
}

.post-content {
  max-width: var(--max-width-content);
}

.post-content h2 {
  font-size: var(--text-2xl);
  margin: var(--space-12) 0 var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.post-content h3 {
  font-size: var(--text-xl);
  margin: var(--space-8) 0 var(--space-4);
}

.post-content p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.post-content ul,
.post-content ol {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
  padding-left: var(--space-8);
}

.post-content li {
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
}

/* Table of Contents */
.toc {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
}

.toc-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin-bottom: var(--space-2);
}

.toc-list a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-left: 2px solid var(--border);
  transition: all var(--transition-fast);
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.toc-list .toc-h3 {
  padding-left: var(--space-8);
}

/* Key Takeaways Box */
.callout {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
}

.callout-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.callout-content ul {
  margin: 0;
}

.callout.callout-tip {
  border-left: 4px solid var(--success);
}

.callout.callout-warning {
  border-left: 4px solid var(--warning);
}

.callout.callout-important {
  border-left: 4px solid var(--primary);
}

/* Related Posts */
.related-posts {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--border);
}

/* ============================================
   AdSense Placeholder Slots
   ============================================ */
.ad-slot {
  background: var(--bg-secondary);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  margin: var(--space-8) 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-slot-sidebar {
  min-height: 250px;
}

.ad-slot-content {
  min-height: 280px;
}

/* ============================================
   Search
   ============================================ */
.search-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-20) var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.search-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.search-container {
  width: 100%;
  max-width: 640px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-lg);
  background: transparent;
  color: var(--text-primary);
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
}

.search-result-item {
  display: block;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--bg-secondary);
}

.search-result-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.search-result-excerpt {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

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

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

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

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
}

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

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--primary);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================
   Newsletter CTA
   ============================================ */
.newsletter {
  background: var(--primary-gradient);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  color: white;
}

.newsletter-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  color: white;
}

.newsletter-text {
  max-width: 500px;
  margin: 0 auto var(--space-8);
  opacity: 0.9;
  color: white;
}

.newsletter-form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
}

.newsletter-input {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  background: rgba(255, 255, 255, 0.95);
  color: var(--text-primary);
}

.newsletter-input::placeholder {
  color: var(--text-tertiary);
}

.newsletter-btn {
  padding: var(--space-4) var(--space-8);
  background: var(--text-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

@media (max-width: 480px) {
  .newsletter-form {
    flex-direction: column;
  }
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.pagination-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ============================================
   Category Page
   ============================================ */
.category-header {
  padding: var(--space-16) 0;
  background: var(--bg-secondary);
  text-align: center;
}

.category-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.category-description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-secondary);
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-page {
  padding: var(--space-16) 0;
}

.legal-page h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.legal-page .last-updated {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-10);
}

.legal-content h2 {
  font-size: var(--text-xl);
  margin: var(--space-10) 0 var(--space-4);
}

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

/* ============================================
   Utility Classes
   ============================================ */
.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;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease forwards;
}

/* Staggered animations for cards */
.posts-grid .post-card:nth-child(1) { animation-delay: 0.1s; }
.posts-grid .post-card:nth-child(2) { animation-delay: 0.2s; }
.posts-grid .post-card:nth-child(3) { animation-delay: 0.3s; }
.posts-grid .post-card:nth-child(4) { animation-delay: 0.4s; }
.posts-grid .post-card:nth-child(5) { animation-delay: 0.5s; }
.posts-grid .post-card:nth-child(6) { animation-delay: 0.6s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}