/* AIToolBrain - Professional AI Blog Styles */
/* Optimized for PageSpeed, SEO, and AdSense Approval */

/* CSS Variables for consistent theming */
:root {
  --primary-color: #1a365d;
  --secondary-color: #2b6cb0;
  --accent-color: #3182ce;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --bg-primary: #ffffff;
  --bg-secondary: #f7fafc;
  --bg-tertiary: #edf2f7;
  --border-color: #e2e8f0;
  --success-color: #38a169;
  --warning-color: #d69e2e;
  --error-color: #e53e3e;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --content-width: 800px;
  --header-height: 70px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 5rem 0;
  text-align: center;
}

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

.hero-badge {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-trust {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--success-color);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
}

.btn-secondary:hover {
  background-color: var(--secondary-color);
  color: white;
  text-decoration: none;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* Section Styles */
.section {
  padding: 4rem 0;
}

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

.section-title {
  font-size: 2.25rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.card-grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Article Card */
.article-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.article-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--bg-tertiary);
}

.article-card-content {
  padding: 1.5rem;
}

.article-card-category {
  display: inline-block;
  background-color: var(--bg-tertiary);
  color: var(--secondary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.article-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-card-title a {
  color: inherit;
}

.article-card-title a:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.article-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Category Cards */
.category-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.category-card:hover {
  border-color: var(--secondary-color);
  box-shadow: var(--shadow-md);
}

.category-card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--bg-tertiary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--secondary-color);
}

.category-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

/* Newsletter Section */
.newsletter {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 4rem 0;
  text-align: center;
}

.newsletter-title {
  font-size: 2rem;
  color: white;
  margin-bottom: 1rem;
}

.newsletter-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-input {
  flex: 1;
  min-width: 250px;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  outline: none;
}

.newsletter-btn {
  background-color: white;
  color: var(--primary-color);
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.newsletter-btn:hover {
  background-color: var(--bg-tertiary);
}

.newsletter-trust {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

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

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

.footer-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: var(--secondary-color);
  color: white;
  text-decoration: none;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
}

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

/* Article Page Styles */
.article-header {
  background-color: var(--bg-secondary);
  padding: 4rem 0;
  text-align: center;
}

.article-category {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.article-title {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-featured-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}

.article-content {
  padding: 3rem 0;
}

.article-content h2 {
  font-size: 1.875rem;
  color: var(--primary-color);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

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

.article-content li {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.article-content blockquote {
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--secondary-color);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 0;
}

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

/* Table of Contents */
.toc {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}

.toc-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

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

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

.toc-list a {
  color: var(--text-secondary);
  font-size: 1rem;
}

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

/* Author Box */
.author-box {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 3rem 0;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.author-bio {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* FAQ Section */
.faq-section {
  margin: 3rem 0;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.faq-answer {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Related Articles */
.related-articles {
  background-color: var(--bg-secondary);
  padding: 3rem 0;
  margin-top: 3rem;
}

/* About Page */
.about-hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 5rem 0;
  text-align: center;
  color: white;
}

.about-hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.about-hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  padding: 4rem 0;
}

.about-section {
  margin-bottom: 3rem;
}

.about-section h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 4rem 0;
}

.contact-info h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-info p {
  margin-bottom: 2rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
}

.contact-form {
  background-color: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
  background-color: var(--bg-primary);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Policy Pages */
.policy-content {
  padding: 4rem 0;
}

.policy-content h2 {
  color: var(--primary-color);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.policy-content h3 {
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.policy-content ul {
  margin-bottom: 1.5rem;
}

/* Breadcrumbs */
.breadcrumbs {
  background-color: var(--bg-secondary);
  padding: 1rem 0;
  font-size: 0.875rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
}

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

.breadcrumbs span {
  color: var(--text-muted);
  margin: 0 0.5rem;
}

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

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
}

.pagination a {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

.pagination a:hover {
  background-color: var(--secondary-color);
  color: white;
  text-decoration: none;
}

.pagination .current {
  background-color: var(--secondary-color);
  color: white;
}

/* Ad Spaces - Visible Ad Placements */
.ad-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  margin: 2rem 0;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ad-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.ad-banner {
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.ad-sidebar {
  width: 100%;
  max-width: 300px;
  min-height: 250px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 1rem 0;
}

.ad-in-content {
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 2rem auto;
}

.ad-sticky {
  position: sticky;
  top: 90px;
  z-index: 100;
}

/* Legacy ad space styles */
.ad-space {
  background-color: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}

.ad-space-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.ad-space-content {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-secondary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.trust-badge svg {
  width: 20px;
  height: 20px;
  color: var(--success-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.375rem; }
  
  .hero {
    padding: 3rem 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
  }
  
  .nav.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .author-box {
    flex-direction: column;
    text-align: center;
  }
  
  .article-title {
    font-size: 1.75rem;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-input {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .container,
  .content-container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 2.5rem 0;
  }
  
  .hero-trust {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .newsletter,
  .ad-space,
  .related-articles {
    display: none;
  }
  
  .article-content {
    font-size: 12pt;
    line-height: 1.5;
  }
}

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

:focus-visible {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

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