/**
 * BigCat Codeworks Post Component
 * Individual mission log post page styles
 * 
 * Import order: _tokens.css → base.css → layout.css → components/post.css
 * 
 * SPRINT OBJECTIVES IMPLEMENTED:
 * ✅ Typography: Brand fonts, consistent sizing, visual flair
 * ✅ Visual Enhancements: Animations, styled elements, responsive images
 * ✅ Engagement Features: Related posts, CTA blocks, social sharing
 * ✅ Mobile Optimization: Responsive layout, touch-friendly elements
 * ✅ Accessibility & SEO: Semantic structure, focus states, alt text support
 */

/* ===== POST CONTAINER ===== */

.post {
  position: relative;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: var(--spacing-8) var(--spacing-4);
  background: var(--color-bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.post::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 0, 255, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(30, 144, 255, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ===== BREADCRUMBS ===== */

.breadcrumbs {
  margin-bottom: var(--spacing-8);
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid rgba(255, 0, 255, 0.2);
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.breadcrumbs li:not(:last-child)::after {
  content: '▸';
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  margin-left: var(--spacing-2);
}

.breadcrumbs a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  transition: color var(--duration-fast) var(--ease-cyber-out);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  background: rgba(255, 0, 255, 0.1);
}

.breadcrumbs li[aria-current="page"] {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
}

/* ===== POST HEADER ===== */

.post__header {
  text-align: center;
  margin-bottom: var(--spacing-12);
  padding: var(--spacing-8) 0;
  position: relative;
  overflow: hidden;
}

.post__header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyber-cyan), var(--color-primary));
  border-radius: var(--radius-full);
  opacity: 0.8;
  animation: glow-pulse 2s ease-in-out infinite alternate;
}

.post__title {
  font-family: var(--font-hero);
  font-size: clamp(2.5rem, 6vw, 3rem); /* 48px target on desktop */
  font-weight: var(--font-weight-black);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-6);
  line-height: 1.2;
  text-shadow: 
    0 0 20px rgba(255, 0, 255, 0.4),
    0 0 40px rgba(255, 0, 255, 0.2);
  animation: post-title-entrance 0.8s ease-out forwards;
  opacity: 0;
  transform: translateY(30px);
}

.post__meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  animation: post-meta-entrance 0.8s ease-out 0.2s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.post__date {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-2) var(--spacing-4);
  background: rgba(255, 0, 255, 0.1);
  border: 1px solid rgba(255, 0, 255, 0.3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
}

.post__author {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-cyber-cyan);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: center;
}

.tag {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-cyber-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--duration-fast) var(--ease-cyber-out);
  cursor: pointer;
}

.tag:hover {
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.2), rgba(255, 0, 255, 0.2));
  border-color: var(--color-cyber-cyan);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.2);
}

/* ===== POST CONTENT ===== */

.post__content {
  max-width: 800px;
  margin: 0 auto;
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.125rem); /* 16-18px target */
  line-height: 1.6;
  color: var(--color-text-primary);
  animation: post-content-entrance 0.8s ease-out 0.4s forwards;
  opacity: 0;
  transform: translateY(20px);
}

/* Typography Hierarchy */
.post__content h1,
.post__content h2,
.post__content h3,
.post__content h4,
.post__content h5,
.post__content h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-4);
  line-height: 1.3;
}

.post__content h1 {
  font-size: clamp(1.75rem, 4vw, 2rem); /* 28-32px target */
  font-weight: var(--font-weight-bold);
  text-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
  position: relative;
}

.post__content h1::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyber-cyan));
  border-radius: var(--radius-full);
  animation: heading-underline 0.6s ease-out 0.8s forwards;
  opacity: 0;
  transform: scaleX(0);
}

.post__content h2 {
  font-size: clamp(1.5rem, 3.5vw, 1.75rem); /* 24-28px target */
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  position: relative;
  margin-left: var(--spacing-6);
  padding-left: var(--spacing-4);
  border-left: 3px solid transparent;
  background: linear-gradient(90deg, 
    rgba(255, 0, 255, 0.1) 0%, 
    transparent 100%);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: all var(--duration-medium) var(--ease-cyber-out);
  animation: heading-underline 0.6s ease-out 1s forwards;
  opacity: 0;
  transform: translateX(-20px);
}

/* Progressive delay for H2 elements based on position */
.post__content h2:nth-child(1) { animation-delay: 1s; }
.post__content h2:nth-child(2) { animation-delay: 1.2s; }
.post__content h2:nth-child(3) { animation-delay: 1.4s; }
.post__content h2:nth-child(4) { animation-delay: 1.6s; }
.post__content h2:nth-child(5) { animation-delay: 1.8s; }
.post__content h2:nth-child(6) { animation-delay: 2s; }
.post__content h2:nth-child(7) { animation-delay: 2.2s; }
.post__content h2:nth-child(8) { animation-delay: 2.4s; }
.post__content h2:nth-child(9) { animation-delay: 2.6s; }
.post__content h2:nth-child(10) { animation-delay: 2.8s; }
.post__content h2:nth-child(11) { animation-delay: 3s; }
.post__content h2:nth-child(12) { animation-delay: 3.2s; }
.post__content h2:nth-child(13) { animation-delay: 3.4s; }
.post__content h2:nth-child(14) { animation-delay: 3.6s; }
.post__content h2:nth-child(15) { animation-delay: 3.8s; }
.post__content h2:nth-child(16) { animation-delay: 4s; }
.post__content h2:nth-child(17) { animation-delay: 4.2s; }
.post__content h2:nth-child(18) { animation-delay: 4.4s; }
.post__content h2:nth-child(19) { animation-delay: 4.6s; }
.post__content h2:nth-child(20) { animation-delay: 4.8s; }

.post__content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-cyber-cyan));
  border-radius: var(--radius-full);
  opacity: 0;
  animation: heading-border 0.6s ease-out 1.2s forwards;
}

/* Progressive delay for H2 border animations based on position */
.post__content h2:nth-child(1)::before { animation-delay: 1.2s; }
.post__content h2:nth-child(2)::before { animation-delay: 1.4s; }
.post__content h2:nth-child(3)::before { animation-delay: 1.6s; }
.post__content h2:nth-child(4)::before { animation-delay: 1.8s; }
.post__content h2:nth-child(5)::before { animation-delay: 2s; }
.post__content h2:nth-child(6)::before { animation-delay: 2.2s; }
.post__content h2:nth-child(7)::before { animation-delay: 2.4s; }
.post__content h2:nth-child(8)::before { animation-delay: 2.6s; }
.post__content h2:nth-child(9)::before { animation-delay: 2.8s; }
.post__content h2:nth-child(10)::before { animation-delay: 3s; }
.post__content h2:nth-child(11)::before { animation-delay: 3.2s; }
.post__content h2:nth-child(12)::before { animation-delay: 3.4s; }
.post__content h2:nth-child(13)::before { animation-delay: 3.6s; }
.post__content h2:nth-child(14)::before { animation-delay: 3.8s; }
.post__content h2:nth-child(15)::before { animation-delay: 4s; }
.post__content h2:nth-child(16)::before { animation-delay: 4.2s; }
.post__content h2:nth-child(17)::before { animation-delay: 4.4s; }
.post__content h2:nth-child(18)::before { animation-delay: 4.6s; }
.post__content h2:nth-child(19)::before { animation-delay: 4.8s; }
.post__content h2:nth-child(20)::before { animation-delay: 5s; }

.post__content h2:hover {
  background: linear-gradient(90deg, 
    rgba(255, 0, 255, 0.15) 0%, 
    transparent 100%);
  transform: translateX(5px);
  box-shadow: 
    0 4px 20px rgba(255, 0, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.post__content h2:hover::before {
  background: linear-gradient(180deg, var(--color-primary), var(--color-cyber-cyan), var(--color-primary));
  box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.post__content h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem); /* 20-24px target */
  font-weight: var(--font-weight-semibold);
  color: var(--color-cyber-cyan);
}

.post__content h4,
.post__content h5,
.post__content h6 {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem); /* 18-20px target */
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* Paragraphs and Spacing */
.post__content p {
  margin-bottom: var(--spacing-6);
  text-align: justify;
  hyphens: auto;
}

.post__content p:last-child {
  margin-bottom: 0;
}

/* Lists */
.post__content ul,
.post__content ol {
  margin: var(--spacing-6) 0;
  padding-left: var(--spacing-8);
}

.post__content li {
  margin-bottom: var(--spacing-3);
  position: relative;
}

.post__content ul li::before {
  content: '▸';
  position: absolute;
  left: -20px;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.post__content ol {
  counter-reset: list-counter;
}

.post__content ol li {
  counter-increment: list-counter;
}

.post__content ol li::before {
  content: counter(list-counter);
  position: absolute;
  left: -30px;
  color: var(--color-cyber-cyan);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-terminal);
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
}

/* Blockquotes */
.post__content blockquote {
  margin: var(--spacing-8) 0;
  padding: var(--spacing-6) var(--spacing-8);
  background: linear-gradient(135deg, 
    rgba(255, 0, 255, 0.05) 0%, 
    rgba(0, 255, 255, 0.05) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  position: relative;
  font-style: italic;
  font-size: var(--font-size-lg);
  line-height: 1.5;
}

.post__content blockquote::before {
  content: '"';
  position: absolute;
  top: var(--spacing-2);
  left: var(--spacing-4);
  font-size: 3rem;
  color: var(--color-primary);
  font-family: var(--font-hero);
  opacity: 0.3;
}

.post__content blockquote p {
  margin: 0;
  color: var(--color-text-secondary);
}

/* Code Blocks */
.post__content pre {
  margin: var(--spacing-6) 0;
  padding: var(--spacing-4);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  position: relative;
}

.post__content pre::before {
  content: 'CODE';
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-4);
  font-size: var(--font-size-xs);
  color: var(--color-cyber-cyan);
  font-family: var(--font-terminal);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 255, 255, 0.1);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
}

.post__content code {
  font-family: var(--font-terminal);
  font-size: var(--font-size-sm);
  color: var(--color-cyber-cyan);
  background: rgba(0, 255, 255, 0.1);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.post__content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text-primary);
}

/* Inline Links */
.post__content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-cyber-out);
  position: relative;
}

.post__content a:hover {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
  text-shadow: 0 0 8px rgba(255, 0, 255, 0.3);
}

.post__content a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyber-cyan));
  transition: width var(--duration-fast) var(--ease-cyber-out);
}

.post__content a:hover::before {
  width: 100%;
}

/* Images */
.post__content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--spacing-6) auto;
  display: block;
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 0, 255, 0.1);
  transition: all var(--duration-fast) var(--ease-cyber-out);
  animation: image-entrance 0.8s ease-out 0.6s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.post__content img:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 12px 35px rgba(0, 0, 0, 0.4),
    0 0 0 2px rgba(255, 0, 255, 0.2),
    0 0 30px rgba(255, 0, 255, 0.1);
}

/* Tables */
.post__content table {
  width: 100%;
  margin: var(--spacing-6) 0;
  border-collapse: collapse;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.post__content th,
.post__content td {
  padding: var(--spacing-3) var(--spacing-4);
  text-align: left;
  border-bottom: 1px solid rgba(255, 0, 255, 0.2);
}

.post__content th {
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyber-cyan));
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-heading);
}

.post__content tr:hover {
  background: rgba(255, 0, 255, 0.05);
}

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

.post__footer {
  margin-top: var(--spacing-16);
  padding-top: var(--spacing-8);
  border-top: 2px solid rgba(255, 0, 255, 0.2);
  animation: post-footer-entrance 0.8s ease-out 0.8s forwards;
  opacity: 0;
  transform: translateY(20px);
}

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

.post-navigation {
  margin-bottom: var(--spacing-12);
  position: relative;
}

.post-navigation::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyber-cyan));
  border-radius: var(--radius-full);
  opacity: 0.6;
}

.post-navigation__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  position: relative;
}

.post-navigation__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-6) var(--spacing-8);
  background: linear-gradient(135deg, 
    rgba(26, 26, 46, 0.4) 0%, 
    rgba(10, 10, 15, 0.6) 100%);
  border: 1px solid rgba(255, 0, 255, 0.15);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all var(--duration-medium) var(--ease-cyber-out);
  overflow: hidden;
  min-height: 80px;
  backdrop-filter: blur(20px);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.post-navigation__link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 0, 255, 0.05) 0%, 
    rgba(0, 255, 255, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--duration-medium) var(--ease-cyber-out);
}

.post-navigation__link::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-medium) var(--ease-cyber-out);
}

.post-navigation__link:hover::before,
.post-navigation__link:hover::after {
  opacity: 1;
}

.post-navigation__link:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 0 2px rgba(255, 0, 255, 0.3),
    0 0 30px rgba(255, 0, 255, 0.2);
}

.post-navigation__link--prev {
  text-align: left;
  padding-left: var(--spacing-10);
}

.post-navigation__link--next {
  text-align: right;
  flex-direction: row-reverse;
  padding-right: var(--spacing-10);
}
.post-navigation__text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  flex: 1;
  z-index: 2;
  position: relative;
}

.post-navigation__label {
  font-size: var(--font-size-lg);
  color: var(--color-cyber-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-terminal);
  font-weight: var(--font-weight-bold);
  opacity: 0.8;
  transition: all var(--duration-medium) var(--ease-cyber-out);
}

.post-navigation__link:hover .post-navigation__label {
  color: var(--color-cyber-cyan);
  opacity: 1;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.post-navigation__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.4;
  font-family: var(--font-heading);
  transition: all var(--duration-medium) var(--ease-cyber-out);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.post-navigation__link:hover .post-navigation__title {
  color: var(--color-text-primary);
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.7),
    0 0 20px rgba(255, 0, 255, 0.3);
}

/* Navigation hover effects */
.post-navigation__link--prev:hover {
  background: linear-gradient(135deg, 
    rgba(255, 0, 255, 0.1) 0%, 
    rgba(26, 26, 46, 0.6) 100%);
}

.post-navigation__link--next:hover {
  background: linear-gradient(135deg, 
    rgba(0, 255, 255, 0.1) 0%, 
    rgba(26, 26, 46, 0.6) 100%);
}

/* Focus states for accessibility */
.post-navigation__link:focus-visible {
  outline: 3px solid var(--color-cyber-cyan);
  outline-offset: 2px;
  border-color: var(--color-cyber-cyan);
}

/* Mobile responsive adjustments */
@media (max-width: 767px) {
  .post-navigation__links {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .post-navigation__link {
    min-height: 70px;
    padding: var(--spacing-5) var(--spacing-6);
  }
  
  .post-navigation__link--prev {
    padding-left: var(--spacing-8);
  }
  
  .post-navigation__link--next {
    padding-right: var(--spacing-8);
  }
  
  .post-navigation__arrow {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-base);
  }
  
  .post-navigation__title {
    font-size: var(--font-size-sm);
  }
}

/* CTA Section */
.post__cta {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.post__cta .btn {
  min-height: 44px;
  padding: var(--spacing-3) var(--spacing-8);
  font-size: var(--font-size-base);
}

/* ===== RELATED POSTS ===== */

.post__related {
  margin-top: var(--spacing-16);
  padding: var(--spacing-8);
  background: linear-gradient(135deg, 
    rgba(26, 26, 46, 0.6) 0%, 
    rgba(10, 10, 15, 0.8) 100%);
  border: 1px solid rgba(255, 0, 255, 0.2);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}

.post__related h3 {
  text-align: center;
  margin-bottom: var(--spacing-6);
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  text-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
}

.post__related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.post__related-item {
  background: rgba(26, 26, 46, 0.4);
  border: 1px solid rgba(0, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: all var(--duration-fast) var(--ease-cyber-out);
  text-decoration: none;
  color: inherit;
  display: block;
}

.post__related-item:hover {
  border-color: var(--color-cyber-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 255, 0.2);
}

.post__related-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  line-height: 1.3;
}

.post__related-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin-bottom: var(--spacing-3);
}

.post__related-date {
  font-size: var(--font-size-xs);
  color: var(--color-cyber-cyan);
  font-family: var(--font-terminal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== SOCIAL SHARING ===== */

.post__social {
  margin-top: var(--spacing-8);
  text-align: center;
  padding: var(--spacing-6);
  background: rgba(255, 0, 255, 0.05);
  border-radius: var(--radius-lg);
}

.post__social h4 {
  margin-bottom: var(--spacing-4);
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.post__social-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.post__social-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast) var(--ease-cyber-out);
  min-height: 44px;
}

.post__social-button:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 0, 255, 0.3);
}

.post__social-button.twitter:hover {
  border-color: #1DA1F2;
  background: #1DA1F2;
}

.post__social-button.facebook:hover {
  border-color: #4267B2;
  background: #4267B2;
}

.post__social-button.linkedin:hover {
  border-color: #0077B5;
  background: #0077B5;
}

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

@keyframes post-title-entrance {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes post-meta-entrance {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes post-content-entrance {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes post-footer-entrance {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heading-underline {
  0% {
    opacity: 0;
    transform: scaleX(0);
  }
  100% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes heading-border {
  0% {
    opacity: 0;
    transform: scaleY(0);
  }
  100% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes image-entrance {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow-pulse {
  0% {
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
  }
  100% {
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.5);
  }
}

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

@media (max-width: 767px) {
  .post {
    padding: var(--spacing-6) var(--spacing-3);
  }
  
  .post__header {
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-6) 0;
  }
  
  .post__title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  
  .post__meta {
    flex-direction: column;
    gap: var(--spacing-3);
  }
  
  .post__content {
    font-size: 1rem;
  }
  
  .post__content h1 {
    font-size: clamp(1.5rem, 6vw, 1.75rem);
  }
  
  .post__content h2 {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
    margin-left: var(--spacing-4);
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .post__content h3 {
    font-size: clamp(1.125rem, 4vw, 1.25rem);
  }
  
  .post-navigation__links {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
  
  .post__related-grid {
    grid-template-columns: 1fr;
  }
  
  .post__social-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .post__social-button {
    width: 100%;
    max-width: 200px;
    justify-content: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .post {
    padding: var(--spacing-7) var(--spacing-5);
  }
  
  .post__content {
    font-size: 1.0625rem;
  }
  
  .post__related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .post {
    padding: var(--spacing-8) var(--spacing-6);
  }
  
  .post__content {
    font-size: 1.125rem;
  }
  
  .post__related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */

@media (prefers-reduced-motion: reduce) {
  .post__title,
  .post__meta,
  .post__content,
  .post__footer,
  .post__content img {
    animation: none;
  }
  
  .post__content a::before,
  .post__content h1::after,
  .post__content h2::before {
    transition: none;
  }
}

@media (prefers-contrast: high) {
  .post__content h1,
  .post__content h2,
  .post__content h3 {
    text-shadow: none;
    border-bottom: 2px solid var(--color-primary);
  }
  
  .post__content blockquote {
    border-left-width: 6px;
  }
  
  .tag {
    border-width: 2px;
  }
}

/* Focus states for keyboard navigation */
.post__content a:focus-visible,
.post-navigation__link:focus-visible,
.post__related-item:focus-visible,
.post__social-button:focus-visible {
  outline: 3px solid var(--color-cyber-cyan);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== NEWSLETTER CTA SECTION ===== */

.post__newsletter-cta {
  margin-top: var(--spacing-16);
  padding: var(--spacing-8);
  background: linear-gradient(135deg, 
    rgba(255, 0, 255, 0.08) 0%, 
    rgba(0, 255, 255, 0.08) 100%);
  border: 2px solid rgba(255, 0, 255, 0.3);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.post__newsletter-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.post__newsletter-cta .newsletter {
  position: relative;
  z-index: 2;
}

.post__newsletter-cta .newsletter__title {
  color: var(--color-text-primary);
  text-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
}

.post__newsletter-cta .newsletter__description {
  color: var(--color-text-secondary);
}

.post__newsletter-cta .newsletter__form {
  background: rgba(26, 26, 46, 0.6);
  border: 1px solid rgba(255, 0, 255, 0.4);
  backdrop-filter: blur(20px);
}

.post__newsletter-cta .newsletter__input {
  background: rgba(10, 10, 15, 0.8);
  border: 2px solid rgba(255, 0, 255, 0.3);
  color: var(--color-text-primary);
}

.post__newsletter-cta .newsletter__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.2);
}

.post__newsletter-cta .newsletter__submit {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border: 2px solid var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--duration-fast) var(--ease-cyber-out);
}

.post__newsletter-cta .newsletter__submit:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 0, 255, 0.3);
}

/* Print styles */
@media print {
  .post__header::before,
  .post__content h1::after,
  .post__content h2::before,
  .post__footer,
  .post__related,
  .post__social,
  .post__newsletter-cta {
    display: none;
  }
  
  .post__content {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .post__content img {
    max-width: 80%;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}