/* Blog Styles - SEO Optimized */

:root {
  --primary-color: #1a73e8;
  --secondary-color: #ea4335;
  --text-dark: #202124;
  --text-light: #5f6368;
  --bg-light: #f8f9fa;
  --border-color: #dadce0;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  background-color: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Navigation */
.navbar {
  background-color: white;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 99;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 1.25rem;
  min-height: 40px;
  position: relative;
}

.logo-image {
  height: 40px;
  width: auto;
  max-width: 200px;
}

/* Fallback text if logo fails */
.navbar-logo::after {
  content: 'KryptoMindz';
  position: absolute;
  left: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.navbar-logo img:not([src]),
.navbar-logo img[alt] {
  opacity: 1;
}

/* Show text only if image fails to load */
.navbar-logo:has(img[alt]) img {
  opacity: 1;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-menu a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary-color);
}

/* Header */
.blog-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  opacity: 0.9;
}

.breadcrumb a {
  color: white;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Header Content - Two Column Layout */
.header-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.header-text {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.blog-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.blog-description {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  max-width: 100%;
}

.blog-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
  flex-wrap: wrap;
}

/* Header Table of Contents */
.header-toc {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid white;
  margin-top: var(--spacing-lg);
}

.header-toc h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: white;
}

.header-toc ol {
  margin-left: var(--spacing-md);
}

.header-toc li {
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.95);
}

.header-toc a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.header-toc a:hover {
  text-decoration: underline;
  opacity: 0.8;
}

.hero-image {
  margin: 0;
  width: 100%;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 177.78%; /* 9:16 aspect ratio for shorts */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* Main Content */
.blog-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Table of Contents */
.table-of-contents {
  background-color: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
  border-left: 4px solid var(--primary-color);
  display: none; /* Hidden since TOC is now in header */
}

.table-of-contents h2 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.table-of-contents ol {
  margin-left: var(--spacing-md);
}

.table-of-contents li {
  margin-bottom: var(--spacing-sm);
}

.table-of-contents a {
  color: var(--primary-color);
  text-decoration: none;
}

.table-of-contents a:hover {
  text-decoration: underline;
}

/* Blog Sections */
.blog-section {
  margin-bottom: var(--spacing-xl);
  scroll-margin-top: 80px;
  padding: var(--spacing-xl);
  border-radius: 8px;
}

/* Alternate background colors */
.blog-section:nth-child(odd) {
  background-color: #ffffff;
}

.blog-section:nth-child(even) {
  background-color: var(--bg-light);
}

.section-container {
  display: grid;
  gap: var(--spacing-xl);
  align-items: center;
}

/* Image on left (1/3), text on right (2/3) */
.blog-section.image-left .section-container {
  grid-template-columns: 1fr 2fr;
}

.blog-section.image-left .section-image {
  order: 1;
}

.blog-section.image-left .section-content-wrapper {
  order: 2;
}

/* Image on right (1/3), text on left (2/3) */
.blog-section.image-right .section-container {
  grid-template-columns: 2fr 1fr;
}

.blog-section.image-right .section-image {
  order: 2;
}

.blog-section.image-right .section-content-wrapper {
  order: 1;
}

.blog-section article {
  background: white;
}

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

.blog-section h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  line-height: 1.3;
}

.section-meta {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.section-image {
  margin: 0;
}

.section-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

figcaption {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-top: var(--spacing-md);
  font-style: italic;
}

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

.section-content p {
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  line-height: 1.7;
}

.voiceover-content {
  background-color: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid var(--secondary-color);
}

.voiceover-content h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

/* Key Takeaways - Content Depth for SEO */
.key-takeaways {
  background-color: #f0f7ff;
  padding: var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  margin: var(--spacing-lg) 0;
}

.key-takeaways h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
  font-weight: 600;
}

.key-takeaways ul {
  margin-left: var(--spacing-lg);
  padding-left: 0;
}

.key-takeaways li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 0.95rem;
}

.key-takeaways li::marker {
  color: var(--primary-color);
  font-weight: 600;
}

/* Related Topics Section */
.related-topics-section {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-xl);
  background-color: var(--bg-light);
  border-radius: 8px;
}

.related-topics-section h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xl);
  color: var(--text-dark);
  text-align: center;
}

.related-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.related-topic-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.related-topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.related-topic-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  line-height: 1.3;
}

.related-topic-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
  line-height: 1.6;
}

.related-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  align-self: flex-start;
}

.related-link:hover {
  color: var(--secondary-color);
  transform: translateX(4px);
}

.related-link[href="#"] {
  /* Placeholder styling - links not yet configured */
  opacity: 0.6;
  cursor: not-allowed;
}

.related-link[href="#"]:hover {
  transform: none;
  color: var(--primary-color);
}

/* Call to Action */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: var(--spacing-xl);
  border-radius: 8px;
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.cta-button {
  display: inline-block;
  padding: 12px 32px;
  background-color: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-top: var(--spacing-lg);
}

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

/* Sidebar */
/* Removed - using full-width alternating layout instead */

/* Footer */
.blog-footer {
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.footer-links a:hover {
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    grid-template-columns: 1fr;
  }
  
  .section-container {
    grid-template-columns: 1fr;
  }

  .blog-section.image-left .section-container,
  .blog-section.image-right .section-container {
    grid-template-columns: 1fr;
  }

  .blog-section.image-left .section-image,
  .blog-section.image-left .section-content-wrapper,
  .blog-section.image-right .section-image,
  .blog-section.image-right .section-content-wrapper {
    order: unset;
  }

  .blog-header h1 {
    font-size: 2rem;
  }
  
  .header-toc {
    background-color: rgba(255, 255, 255, 0.15);
  }

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

  .section-content-wrapper {
    padding: var(--spacing-md);
  }

  .related-topics-grid {
    grid-template-columns: 1fr;
  }

  .related-topics-section {
    padding: var(--spacing-lg);
  }

  .related-topics-section h2 {
    font-size: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .navbar, .blog-sidebar, .cta-section, .related-topics-section, .skip-link {
    display: none;
  }

  body {
    background-color: white;
  }

  .blog-main {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
}