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

:root {
  /* Modern Color Palette */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --black: #000000;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #8b5cf6 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* Blur effects */
  --blur-sm: blur(4px);
  --blur: blur(8px);
  --blur-md: blur(12px);
  --blur-lg: blur(16px);
  --blur-xl: blur(24px);
}

/* Loading Spinner Styles */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #666;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #2563eb;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-spinner p {
  font-size: 16px;
  color: #666;
}

html {
  height: 100%;
  width: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--gray-900);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-100) 100%);
  background-attachment: fixed;
}

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 4rem;
  text-align: center;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.highlight {
  background: linear-gradient(120deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  font-weight: 900;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(120deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  border-radius: 2px;
  animation: highlightGlow 2s ease-in-out infinite alternate;
}

@keyframes highlightGlow {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-size: 1.0625rem;
  letter-spacing: 0.025em;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  filter: brightness(1.1);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-sm);
  color: var(--primary);
  border: 2px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px) scale(1.02);
  border-color: var(--primary);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.3);
}

.btn span {
  position: relative;
  z-index: 1;
}

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  border-radius: inherit;
  pointer-events: none;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  position: relative;
  z-index: 1;
}

.logo {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.025em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #4b5563;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: var(--gradient-hero);
  color: white;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: auto;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(99, 102, 241, 0.4) 0%, transparent 50%);
  animation: gradientShift 20s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); }
  33% { opacity: 0.8; transform: scale(1.1) rotate(120deg); }
  66% { opacity: 0.9; transform: scale(0.9) rotate(240deg); }
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.4;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 1.375rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  line-height: 1.7;
  font-weight: 400;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fbbf24;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Featured Section */
.featured {
  padding: 100px 0;
  background: var(--gray-50);
  position: relative;
}

.featured::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.featured-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.featured-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(99, 102, 241, 0.2);
}

.featured-card:hover::before {
  opacity: 1;
}

.card-category {
  display: inline-flex;
  align-items: center;
  background: var(--gradient-primary);
  color: white;
  padding: 0.625rem 1.25rem;
  border-radius: 25px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.025em;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  position: relative;
  z-index: 2;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--gray-900);
  line-height: 1.25;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 2;
}

.card-excerpt {
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: 1.0625rem;
  position: relative;
  z-index: 2;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--gray-500);
  font-weight: 500;
  position: relative;
  z-index: 2;
}

.card-date, .card-read-time {
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  font-size: 0.875rem;
}

/* Blog Section */
.blog {
  padding: 100px 0;
  position: relative;
}

.blog::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

.blog-header {
  text-align: center;
  margin-bottom: 3rem;
}

.blog-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.875rem 1.75rem;
  border: 2px solid rgba(203, 213, 225, 0.5);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-sm);
  color: var(--gray-600);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.025em;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.filter-btn:hover::before,
.filter-btn.active::before {
  opacity: 1;
}

.filter-btn span {
  position: relative;
  z-index: 1;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

/* Blog Card Styles */
.blog-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.blog-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(99, 102, 241, 0.2);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card-category {
  display: inline-flex;
  align-items: center;
  background: var(--gradient-primary);
  color: white;
  padding: 0.625rem 1.25rem;
  border-radius: 25px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.025em;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  position: relative;
  z-index: 2;
}

.blog-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--gray-900);
  line-height: 1.25;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 2;
}

.blog-card-excerpt {
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: 1.0625rem;
  position: relative;
  z-index: 2;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--gray-500);
  font-weight: 500;
  position: relative;
  z-index: 2;
  margin-bottom: 1.5rem;
}

.blog-card-date, .blog-card-read-time {
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  font-size: 0.875rem;
}

.read-more-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.read-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Resources Section */
.resources {
  padding: 80px 0;
  background: #f8fafc;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.resource-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
}

.resource-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.resource-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1a202c;
}

.resource-description {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.resource-link {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.resource-link:hover {
  color: #1d4ed8;
}

/* About Section */
.about {
  padding: 80px 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text p {
  font-size: 1.1rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
}

.about-stat {
  text-align: center;
}

.about-stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #3b82f6;
}

.about-stat-label {
  color: #6b7280;
  font-size: 0.9rem;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  color: white;
  padding: 80px 0 30px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.footer-logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
}

.footer-description {
  color: #9ca3af;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-list {
  list-style: none;
}

.footer-list li {
  margin-bottom: 0.5rem;
}

.footer-link {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #3b82f6;
}

.footer-bottom {
  border-top: 1px solid rgba(55, 65, 81, 0.3);
  padding-top: 2.5rem;
  text-align: center;
  color: var(--gray-400);
  position: relative;
  z-index: 1;
  font-size: 0.9375rem;
}

/* Article View Styles */
.article-view {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  z-index: 2000;
  overflow-y: auto;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  line-height: 1.7;
}

.article-header {
  margin-bottom: 3rem;
  padding-top: 2rem;
}

.back-btn {
  background: none;
  border: none;
  color: #3b82f6;
  cursor: pointer;
  font-size: 1rem;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.back-btn:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

.article-category {
  display: inline-block;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.article-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.article-meta {
  display: flex;
  gap: 1rem;
  color: #6b7280;
  font-size: 1rem;
  margin-bottom: 2rem;
}

.article-content {
  font-size: 1.1rem;
  color: #374151;
  margin-bottom: 3rem;
}

.article-content h2 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #1a202c;
  margin: 2.5rem 0 1.5rem 0;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 0.5rem;
}

.article-content h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: #1a202c;
  margin: 2rem 0 1rem 0;
}

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

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content strong {
  color: #1a202c;
  font-weight: 600;
}

.article-footer {
  border-top: 1px solid #e5e7eb;
  padding-top: 2rem;
  margin-top: 3rem;
}

.article-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tag {
  background: #f3f4f6;
  color: #4b5563;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.9rem;
}

.article-navigation {
  text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 72px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--blur-md);
    width: 100%;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero {
    padding: 100px 0 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .blog {
    padding: 60px 0;
  }

  .featured {
    padding: 60px 0;
  }

  .featured-grid,
  .blog-grid,
  .resources-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .featured-card,
  .resource-card {
    padding: 2rem;
  }

  .about-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .article-container {
    padding: 1rem;
  }

  .article-title {
    font-size: 2rem;
  }

  .article-content {
    font-size: 1rem;
  }

  .article-content h2 {
    font-size: 1.5rem;
  }

  .article-content h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 90px 0 50px;
  }

  .blog {
    padding: 50px 0;
  }

  .featured {
    padding: 50px 0;
  }

  .hero-title {
    font-size: 2rem;
  }

  .blog-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}