/* ==========================================
   COVES7.COM - Premium Affiliate Review Site
   Award-Winning Design System
   ========================================== */

:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #10B981;
  --accent-hover: #059669;
  --accent-rgb: 16, 185, 129;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: rgba(0, 0, 0, 0.5);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Inter', var(--font-sans);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & BASE
   ========================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h4 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

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

strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 4px 20px var(--shadow);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--accent);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 2rem 4rem;
}

.hero-background {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  animation: pulseBackground 15s ease-in-out infinite;
}

@keyframes pulseBackground {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100px 100px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(100px, 100px); }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 1000px;
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  animation: fadeIn 1s ease-out 0.2s both;
}

.hero h1 {
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out 0.3s both;
  background: linear-gradient(135deg, var(--text-primary) 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out 0.4s both;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.5s both;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
  padding: var(--spacing-xl) 2rem;
  position: relative;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out both;
}

.section-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent);
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================
   CARDS
   ========================================== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

.card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--accent);
}

.card-content {
  padding: 2rem;
  position: relative;
}

.card-category {
  display: inline-block;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: 0.75rem;
}

/* ==========================================
   FEATURED REVIEWS
   ========================================== */

.featured-reviews {
  background: var(--bg-primary);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.featured-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: all var(--transition-slow);
  position: relative;
}

.featured-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.featured-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

/* ==========================================
   CATEGORY GRID
   ========================================== */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: var(--spacing-md);
}

.category-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
  transition: transform var(--transition-normal);
}

.category-card:hover .category-icon {
  transform: scale(1.1) rotate(5deg);
}

.category-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

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

/* ==========================================
   TRUST SECTION
   ========================================== */

.trust-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: var(--spacing-lg);
}

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

.trust-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--accent);
  transition: all var(--transition-normal);
}

.trust-item:hover .trust-icon {
  background: rgba(16, 185, 129, 0.2);
  transform: scale(1.1);
}

.trust-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.trust-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================
   NEWSLETTER
   ========================================== */

.newsletter-section {
  background: var(--bg-primary);
}

.newsletter-container {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, transparent 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 24px;
  padding: var(--spacing-lg);
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.newsletter-input {
  flex: 1;
  min-width: 250px;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

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

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--spacing-lg) 2rem var(--spacing-md);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  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);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out both;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out both;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out both;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out both;
}

/* Scroll reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   ARTICLE PAGES
   ========================================== */

.article-header {
  padding: 8rem 2rem 3rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}

.article-header-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-category {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}

.article-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.article-meta {
  display: flex;
  gap: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--accent);
  z-index: 9999;
  transition: width 0.1s ease-out;
}

.article-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg) 2rem;
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 4rem;
  position: relative;
}

.article-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.toc-title {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toc-list a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
  display: block;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.article-content {
  max-width: 800px;
}

.article-content h2 {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-content p {
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.verdict-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: 2.5rem;
  margin: 3rem 0;
}

.verdict-title {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.verdict-rating {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 1rem;
}

.pros-cons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.pros,
.cons {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.pros {
  border-top: 3px solid var(--accent);
}

.cons {
  border-top: 3px solid #ef4444;
}

.pros h3,
.cons h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pros ul,
.cons ul {
  list-style: none;
  padding: 0;
}

.pros li::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
  margin-right: 0.75rem;
}

.cons li::before {
  content: '✗';
  color: #ef4444;
  font-weight: bold;
  margin-right: 0.75rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-secondary);
  border-radius: 16px;
  overflow: hidden;
}

.comparison-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.comparison-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table .highlight {
  background: rgba(16, 185, 129, 0.1);
  font-weight: 600;
  color: var(--accent);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .article-toc {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    border-left: 1px solid var(--border);
    transition: right var(--transition-normal);
    z-index: 999;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero {
    padding: 6rem 1.5rem 3rem;
  }
  
  .section {
    padding: var(--spacing-lg) 1.5rem;
  }
  
  .cards-grid,
  .featured-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .nav-container {
    padding: 1rem;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-cta {
    flex-direction: column;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.text-accent {
  color: var(--accent);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .navbar,
  .footer,
  .newsletter-section,
  .article-toc,
  .reading-progress {
    display: none;
  }
}