/* ============================================
   STEVE JOBS-INSPIRED PROFESSIONAL BLOG DESIGN
   Clean, Minimalist, Pixel-Perfect
   ============================================ */

:root {
  --primary-blue: #275df5;
  --blue-light: #4a7fff;
  --blue-dark: #1e4dd8;
  --text-primary: #1d1d1f;
  --text-secondary: #515154;
  --text-muted: #86868b;
  --bg-white: #ffffff;
  --bg-gray-50: #f5f5f7;
  --bg-gray-100: #f0f0f2;
  --border-light: #d2d2d7;
  --border-gray: #c6c6c8;
  --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-strong: 0 20px 40px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-primary: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter",
    "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;

  /* Mobile-specific variables */
  --mobile-header-height: 70px;
  --mobile-padding: 1rem;
  --mobile-padding-large: 1.5rem;
  --mobile-padding-small: 0.75rem;
  --mobile-gap: 1rem;
  --mobile-radius: 8px;
  --mobile-font-base: 16px;
  --mobile-line-height: 1.7;
  --mobile-touch-target: 44px;
  --mobile-safe-area-top: env(safe-area-inset-top);
  --mobile-safe-area-bottom: env(safe-area-inset-bottom);
}

/* Reset and Base */
.blog-page,
.blog-post-page {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

/* ===== HERO SECTION - STEVE JOBS STYLE ===== */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 30% 20%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #275df5, #6366f1, #ec4899);
  color: white;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

/* ===== BLOG CONTENT LAYOUT ===== */
.blog-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  margin: 2rem 0;
  align-items: start;
}

.blog-nav {
  position: sticky;
  top: 100px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
}

.blog-nav h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-blue);
}

.blog-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-nav li {
  margin-bottom: 0.75rem;
}

.blog-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  display: block;
  padding: 0.5rem 0;
  border-radius: 6px;
  transition: var(--transition);
}

.blog-nav a:hover {
  color: var(--primary-blue);
  padding-left: 0.5rem;
}

.blog-main {
  min-height: 80vh;
}

/* ===== ARTICLE STRUCTURE ===== */
.article-header {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
}

.article-header h1 {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

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

.article-meta time::before {
  content: "📅";
  font-size: 0.875rem;
}

.article-meta span[itemprop="timeRequired"]::before {
  content: "⏱️";
  font-size: 0.875rem;
  margin-right: 0.5rem;
}

.article-excerpt {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 400;
  margin: 0;
}

/* ===== FEATURED IMAGE ===== */
.article-featured-image {
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.article-featured-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== AUTHOR INFO ===== */
.article-author-info {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-blue);
  color: white;
  font-size: 1.5rem;
}

.author-details h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.author-details p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

/* ===== ARTICLE CONTENT ===== */
.article-content {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 2rem;
}

.article-content h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2.5rem 0 1.5rem 0;
  line-height: 1.3;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-blue);
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2rem 0 1rem 0;
  line-height: 1.4;
}

.article-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem 0;
  line-height: 1.4;
}

.article-content p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.article-content li {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.article-content a {
  color: var(--primary-blue);
  text-decoration: underline;
  font-weight: 500;
  transition: var(--transition);
}

.article-content a:hover {
  color: var(--blue-dark);
  text-decoration: none;
}

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

.article-content blockquote {
  background: var(--bg-gray-50);
  border-left: 4px solid var(--primary-blue);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content pre {
  background: var(--bg-gray-100);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

.article-content code {
  background: var(--bg-gray-100);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ===== SIDEBAR ELEMENTS ===== */
.sidebar-sharing {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.sidebar-sharing h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.share-buttons-vertical {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  text-decoration: none;
  color: white;
  transition: var(--transition);
  font-size: 1.2rem;
}

.share-btn.twitter {
  background: #1da1f2;
}

.share-btn.linkedin {
  background: #0077b5;
}

.share-btn.facebook {
  background: #1877f2;
}

.share-btn.email {
  background: var(--text-muted);
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== ARTICLE TAGS ===== */
.article-tags {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 2rem;
}

.article-tags h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tag {
  background: var(--bg-gray-100);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}

.tag:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-1px);
}

/* ===== SHARE SECTION ===== */
.article-share-section {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 2rem;
}

.article-share-section h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.share-buttons-horizontal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.share-buttons-horizontal .share-btn {
  width: auto;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  gap: 0.5rem;
}

/* ===== MOBILE OPTIMIZATIONS ===== */
@media (max-width: 1024px) {
  .blog-content {
    grid-template-columns: 240px 1fr;
    gap: 2rem;
  }

  .blog-nav {
    padding: 1.5rem;
  }

  .article-header {
    padding: 2.5rem;
  }

  .article-content {
    padding: 2.5rem;
  }
}

@media (max-width: 768px) {
  /* Mobile-first approach */
  html {
    font-size: var(--mobile-font-base);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body.blog-post-page {
    line-height: var(--mobile-line-height);
    padding-top: var(--mobile-header-height);
    padding-top: calc(
      var(--mobile-header-height) + var(--mobile-safe-area-top)
    );
  }

  /* Hero section mobile optimization */
  .hero {
    padding: var(--mobile-padding-large) 0;
    margin-top: 0;
  }

  .hero-content {
    padding: 0 var(--mobile-padding);
  }

  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: 6px 16px;
    margin-bottom: 1rem;
  }

  /* Blog content mobile layout */
  .blog-content {
    display: block;
    margin: var(--mobile-padding) 0;
  }

  .blog-nav {
    display: none; /* Hide sidebar on mobile, could be made collapsible */
  }

  .blog-main {
    padding: 0 var(--mobile-padding);
  }

  /* Article header mobile optimization */
  .article-header {
    padding: var(--mobile-padding-large);
    margin-bottom: var(--mobile-padding);
    border-radius: var(--mobile-radius);
  }

  .article-header h1 {
    font-size: 1.75rem;
    line-height: 1.25;
    margin-bottom: 1rem;
  }

  .article-meta {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.9rem;
  }

  .article-excerpt {
    font-size: 1.1rem;
    line-height: 1.6;
  }

  /* Featured image mobile optimization */
  .article-featured-image {
    margin-bottom: var(--mobile-padding);
    border-radius: var(--mobile-radius);
  }

  /* Author info mobile optimization */
  .article-author-info {
    padding: var(--mobile-padding);
    margin-bottom: var(--mobile-padding);
    border-radius: var(--mobile-radius);
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .author-avatar {
    width: 60px;
    height: 60px;
  }

  .author-details h3 {
    font-size: 1.1rem;
  }

  .author-details p {
    font-size: 0.9rem;
  }

  /* Article content mobile optimization */
  .article-content {
    padding: var(--mobile-padding-large);
    border-radius: var(--mobile-radius);
    margin-bottom: var(--mobile-padding);
  }

  .article-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
    line-height: 1.3;
  }

  .article-content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem 0;
    line-height: 1.4;
  }

  .article-content h4 {
    font-size: 1.1rem;
    margin: 1.25rem 0 0.5rem 0;
  }

  .article-content p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
  }

  .article-content ul,
  .article-content ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
  }

  .article-content li {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
  }

  .article-content blockquote {
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    font-size: 1rem;
  }

  .article-content pre {
    padding: 1rem;
    margin: 1.25rem 0;
    overflow-x: auto;
    font-size: 0.85rem;
  }

  /* Tags mobile optimization */
  .article-tags {
    padding: var(--mobile-padding);
    border-radius: var(--mobile-radius);
    margin-bottom: var(--mobile-padding);
  }

  .tag-list {
    gap: 0.5rem;
  }

  .tag {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }

  /* Share section mobile optimization */
  .article-share-section {
    padding: var(--mobile-padding);
    border-radius: var(--mobile-radius);
    margin-bottom: var(--mobile-padding);
  }

  .share-buttons-horizontal {
    flex-direction: column;
    gap: 0.75rem;
  }

  .share-buttons-horizontal .share-btn {
    justify-content: center;
    padding: 0.875rem 1rem;
    width: 100%;
    font-size: 1rem;
  }

  /* Sidebar elements when shown */
  .sidebar-sharing {
    padding: var(--mobile-padding);
    border-radius: var(--mobile-radius);
    background: var(--bg-white);
    margin-top: var(--mobile-padding);
  }

  .share-buttons-vertical {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  /* Extra small mobile optimization */
  .hero h1 {
    font-size: 1.75rem;
  }

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

  .article-header h1 {
    font-size: 1.5rem;
  }

  .article-content h2 {
    font-size: 1.375rem;
  }

  .article-content h3 {
    font-size: 1.125rem;
  }

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

  .article-header {
    padding: var(--mobile-padding);
  }

  .blog-main {
    padding: 0 var(--mobile-padding-small);
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .share-btn,
  .tag,
  .blog-nav a {
    min-height: var(--mobile-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .share-btn:active {
    transform: scale(0.95);
  }

  .tag:active {
    transform: scale(0.95);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .article-content {
    border: 2px solid var(--text-primary);
  }

  .article-header {
    border: 2px solid var(--text-primary);
  }

  .share-btn {
    border: 2px solid currentColor;
  }
}

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

  .share-btn:hover,
  .tag:hover {
    transform: none;
  }
}

/* Container responsive sizing */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--mobile-padding);
}

@media (min-width: 769px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1025px) {
  .container {
    padding: 0 3rem;
  }
}

/* Focus states for accessibility */
.share-btn:focus,
.tag:focus,
.blog-nav a:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ===== NEWSLETTER SIGNUP SECTION ===== */
.newsletter-signup {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 2rem;
}

.newsletter-card {
  display: flex;
  align-items: center;
  gap: 2rem;
  text-align: left;
}

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

.newsletter-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.newsletter-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.newsletter-form .form-group {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.newsletter-form .btn {
  padding: 0.875rem 2rem;
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  white-space: nowrap;
}

.newsletter-form .btn:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.newsletter-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== RELATED POSTS SECTION ===== */
.related-posts {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 2rem;
}

.related-posts h2 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
}

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

.related-card {
  background: var(--bg-gray-50);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.related-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-gray-100);
}

.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.related-content {
  padding: 1.5rem;
}

.related-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.related-meta .category {
  background: var(--primary-blue);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.8rem;
}

.related-meta time {
  color: var(--text-muted);
}

.related-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.related-content h3 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.related-content h3 a:hover {
  color: var(--primary-blue);
}

.related-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* ===== MOBILE RESPONSIVE IMPROVEMENTS ===== */
@media (max-width: 768px) {
  /* Newsletter signup mobile optimization */
  .newsletter-signup {
    padding: var(--mobile-padding-large);
    border-radius: var(--mobile-radius);
    margin-bottom: var(--mobile-padding);
  }

  .newsletter-card {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .newsletter-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .newsletter-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }

  .newsletter-content p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
  }

  .newsletter-form .form-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .newsletter-form input[type="email"] {
    width: 100%;
    padding: 1rem;
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .newsletter-form .btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  /* Related posts mobile optimization */
  .related-posts {
    padding: var(--mobile-padding-large);
    border-radius: var(--mobile-radius);
    margin-bottom: var(--mobile-padding);
  }

  .related-posts h2 {
    font-size: 1.375rem;
    margin-bottom: 1.5rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .related-card {
    border-radius: var(--mobile-radius);
  }

  .related-content {
    padding: 1.25rem;
  }

  .related-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .related-content h3 {
    font-size: 1rem;
    line-height: 1.4;
  }

  .related-content p {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  /* Extra small mobile optimization */
  .newsletter-signup {
    padding: var(--mobile-padding);
  }

  .newsletter-content h3 {
    font-size: 1.125rem;
  }

  .newsletter-content p {
    font-size: 0.9rem;
  }

  .related-posts {
    padding: var(--mobile-padding);
  }

  .related-posts h2 {
    font-size: 1.25rem;
  }

  .related-content {
    padding: 1rem;
  }

  .related-grid {
    gap: 1rem;
  }
}

/* Touch optimizations for newsletter and related posts */
@media (hover: none) and (pointer: coarse) {
  .newsletter-form .btn,
  .related-card {
    -webkit-tap-highlight-color: rgba(139, 92, 246, 0.1);
  }

  .newsletter-form .btn:active {
    transform: scale(0.98);
  }

  .related-card:active {
    transform: scale(0.98);
  }
}

/* Improved focus styles for mobile accessibility */
@media (max-width: 768px) {
  .newsletter-form input[type="email"]:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
  }

  .newsletter-form .btn:focus,
  .related-content h3 a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
  }
}

/* Ensure proper spacing on very small screens */
@media (max-width: 320px) {
  .newsletter-card {
    gap: 1rem;
  }

  .newsletter-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .related-grid {
    gap: 0.75rem;
  }
}