/**
 * NEUROWELL - Main Stylesheet
 * Global styles, variables, design system
 * Dark theme with modern SaaS aesthetics
 */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== CSS VARIABLES - Design System ===== */
:root {
  /* Colors - Primary Palette */
  --primary: #8b5cf6;
  --primary-gradient: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 50%, #7c3aed 100%);
  --primary-light: #a78bfa;
  --primary-dark: #7c3aed;
  --secondary: #6d28d9;
  --accent: #facc15;
  --accent-soft: rgba(250, 204, 21, 0.15);
  
  /* Colors - Status */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Colors - Backgrounds */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-elevated: #1f2937;
  
  /* Colors - Text */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #cbd5f5;
  
  /* Colors - Borders */
  --border-color: #334155;
  --border-light: #475569;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'Monaco', 'Courier New', 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;
  --text-6xl: 3.75rem;
  
  /* Line Heights */
  --leading-tight: 1.15;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* 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 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.3);
  --shadow-glow-accent: 0 0 30px rgba(250, 204, 21, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

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);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--secondary);
}

/* ===== FORMS ===== */
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background-color: var(--bg-elevated);
}

input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-slow);
  text-decoration: none;
  gap: var(--spacing-sm);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
  color: white;
}

.btn-primary:active {
  transform: translateY(-1px) scale(1.01);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: white;
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-lg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.px-md {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.py-md {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

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

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

.text-muted {
  color: var(--text-tertiary);
}

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

.text-lg {
  font-size: var(--text-lg);
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.4);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.7s ease-out both;
}

.animate-slide-in-up {
  animation: slideInUp 0.5s ease-out;
}

.animate-slide-in-down {
  animation: slideInDown 0.5s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out both;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out both;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Staggered animation delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }

/* ===== GLASSMORPHISM UTILITIES ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-slow);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}

/* Accent highlight text */
.text-accent {
  color: var(--accent);
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --text-4xl: 1.875rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.25rem;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .btn {
    width: 100%;
  }
}

/* ===== BLOG/KNOWLEDGE HUB STYLES ===== */

/* Hero Section */
.hero-section {
  background: var(--primary-gradient);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

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

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.hero-search {
  max-width: 500px;
  margin: 0 auto;
}

.search-box {
  position: relative;
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
}

.search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 1rem;
}

.search-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.15);
}

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

/* Sections */
.featured-section,
.categories-section,
.articles-section,
.newsletter-section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

/* Article Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.article-card {
  background: var(--bg-elevated);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.featured-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
}

.article-image {
  position: relative;
  height: 200px;
  background: var(--primary-gradient);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-lg);
}

.article-category {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.article-meta {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.article-content {
  padding: var(--spacing-lg);
}

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.article-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.article-date {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.category-card {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.category-card:hover {
  background: var(--bg-elevated);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.category-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.5rem;
  color: var(--text-primary);
}

.category-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.category-count {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* Articles Header */
.articles-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.articles-filters {
  display: flex;
  gap: var(--spacing-md);
}

.filter-select {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  min-width: 150px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-light);
}

/* Load More */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* Newsletter */
.newsletter-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.newsletter-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.newsletter-text h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.newsletter-text p {
  color: var(--text-secondary);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-md);
  flex: 1;
  max-width: 400px;
}

.newsletter-input {
  flex: 1;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary-light);
}

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

/* Article Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--bg-primary);
  margin: 2% auto;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: 16px;
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: 50%;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.article-modal {
  max-height: 90vh;
  overflow-y: auto;
}

.article-content {
  padding: 0;
}

/* Article Full View */
.article-full {
  padding: var(--spacing-2xl);
}

.article-full-header {
  margin-bottom: var(--spacing-2xl);
}

.article-full-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--spacing-lg) 0;
  line-height: 1.2;
}

.article-full-meta {
  display: flex;
  gap: var(--spacing-lg);
  color: var(--text-tertiary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.article-full-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.article-full-content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2xl);
}

.article-full-content h2,
.article-full-content h3,
.article-full-content h4 {
  color: var(--text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-lg);
  font-weight: 600;
}

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

.article-full-content h3 {
  font-size: 1.25rem;
}

.article-full-content p {
  margin-bottom: var(--spacing-lg);
}

.article-full-content ul,
.article-full-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.article-full-content li {
  margin-bottom: var(--spacing-sm);
}

.article-full-content blockquote {
  border-left: 4px solid var(--primary-light);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--text-tertiary);
}

.article-full-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-info h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.author-info p {
  color: var(--text-secondary);
  font-weight: 500;
}

.article-actions {
  display: flex;
  gap: var(--spacing-md);
}

.like-btn,
.share-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

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

  .articles-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .featured-card {
    grid-column: span 1;
  }

  .articles-header {
    flex-direction: column;
    align-items: stretch;
  }

  .articles-filters {
    justify-content: center;
  }

  .newsletter-content {
    flex-direction: column;
    text-align: center;
  }

  .newsletter-form {
    max-width: none;
  }

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

  .article-full {
    padding: var(--spacing-lg);
  }

  .article-full-footer {
    flex-direction: column;
    align-items: stretch;
  }
}