/* ===================================
   DE5.AI Ghost Theme - Main Styles
   Based on de5.ai website design
   =================================== */

/* ===================================
   1. CSS Variables & Theme Colors
   =================================== */
:root {
  /* Primary Colors */
  --color-primary: #e95c49;
  --color-primary-hover: #d94a37;
  --color-purple: #b088ff;
  --color-purple-light: #c4a6ff;
  
  /* Dark Theme Colors */
  --color-dark-900: #0f172a;
  --color-dark-800: #1e293b;
  --color-dark-700: #334155;
  --color-dark-600: #475569;
  
  /* Light Theme Colors */
  --color-light-50: #f8fafc;
  --color-light-100: #f1f5f9;
  --color-light-200: #e2e8f0;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-600: #64748b;
  --color-gray-400: #94a3b8;
  
  /* Typography */
  --font-heading: 'Oxanium', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --container-max-width: 1280px;
  --container-padding: 2rem;
  
  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

/* Light Theme (Default) */
body {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-overlay: rgba(255, 255, 255, 0.9);
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: rgba(226, 232, 240, 0.5);
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Dark Theme */
body.dark-mode {
  --bg-primary: #0b0f19;
  --bg-secondary: #0a0d16;
  --bg-overlay: rgba(15, 23, 42, 0.9);
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.3);
}

/* ===================================
   2. Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

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

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   3. Layout & Container
   =================================== */
.site-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(to bottom, 
    var(--bg-primary) 0%, 
    var(--bg-secondary) 50%, 
    var(--bg-primary) 100%);
}

.page-glow {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 40% at 50% 0%, rgba(233, 92, 73, 0.10), transparent 60%);
}

body.dark-mode .page-glow {
  background: radial-gradient(60% 40% at 50% 0%, rgba(233, 92, 73, 0.16), transparent 60%);
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.site-main {
  flex: 1;
  padding-top: 80px;
}

/* ===================================
   4. Header & Navigation
   =================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-base);
}

body.dark-mode .site-header {
  background: rgba(255, 255, 255, 0.1);
}

.site-nav {
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-logo a {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.site-logo a:hover {
  transform: scale(1.05);
}

.site-logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.site-nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.site-nav-menu nav,
.site-nav-menu ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-menu a,
.site-nav-menu li a {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
  display: inline-block;
}

.site-nav-menu a:hover,
.site-nav-menu li a:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
}

.site-nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  padding: 0.5rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-center;
  transition: var(--transition-base);
  position: relative;
}

.dark-mode-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
  transition: var(--transition-base);
}

.dark-mode-toggle .moon-icon {
  display: none;
  color: var(--text-primary);
}

.dark-mode-toggle .sun-icon {
  display: block;
  color: var(--text-primary);
}

body.dark-mode .dark-mode-toggle .moon-icon {
  display: none;
}

body.dark-mode .dark-mode-toggle .sun-icon {
  display: block;
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
}

/* Subscribe Button */
.subscribe-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: white;
  background-color: var(--color-primary);
  box-shadow: 0 4px 14px 0 rgba(233, 92, 73, 0.25);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.subscribe-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px 0 rgba(233, 92, 73, 0.4);
  color: white;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  padding: 0.5rem;
  color: var(--text-primary);
}

.mobile-menu-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

.mobile-menu-toggle .close-icon {
  display: none;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(20px);
  padding: 2rem;
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu-content nav,
.mobile-menu-content ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu-content a {
  font-size: 1.125rem;
  font-weight: 600;
  padding: 1rem;
  border-radius: 0.5rem;
  transition: var(--transition-base);
}

.mobile-menu-content a:hover {
  background: rgba(233, 92, 73, 0.1);
}

.subscribe-button-mobile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  color: white;
  background-color: var(--color-primary);
  margin-top: 1rem;
}

/* ===================================
   5. Hero Section
   =================================== */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 4rem 0;
}

.hero-background {
  position: absolute;
  inset: 0;
  opacity: 0.6;
}

body.dark-mode .hero-background {
  opacity: 0.3;
}

.dotted-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(233, 92, 73, 0.7) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: grid-flow 20s linear infinite;
}

.dotted-grid-secondary {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0.5px, transparent 0.5px);
  background-size: 40px 40px;
  animation: grid-flow-reverse 30s linear infinite;
}

@keyframes grid-flow {
  0% { background-position: 0 0; }
  100% { background-position: 20px 20px; }
}

@keyframes grid-flow-reverse {
  0% { background-position: 40px 40px; }
  100% { background-position: 0 0; }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem 0;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(to right, var(--color-primary), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: fade-in-out 2s infinite;
}

.scroll-indicator-border {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-gray-600);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-indicator-dot {
  width: 4px;
  height: 12px;
  background: var(--color-gray-600);
  border-radius: 2px;
  animation: scroll-down 2s infinite;
}

@keyframes fade-in-out {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes scroll-down {
  0% { transform: translateY(0); }
  50% { transform: translateY(12px); }
  100% { transform: translateY(0); }
}

/* ===================================
   6. Posts Section
   =================================== */
.posts-section {
  padding: 4rem 0;
  position: relative;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

/* Glass Effect */
.glass-effect {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

body.dark-mode .glass-effect {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.glass-effect::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.glass-effect:hover::before {
  left: 100%;
}

/* Post Card */
.post-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-base);
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--shadow-color);
}

.post-card-image-link {
  display: block;
  overflow: hidden;
  border-radius: 1rem 1rem 0 0;
}

.post-card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.post-card:hover .post-card-image {
  transform: scale(1.1);
}

.post-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.post-card-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  background-color: var(--color-primary);
  width: fit-content;
}

.post-card-title {
  font-size: 1.5rem;
  margin: 0;
  font-weight: 700;
}

.post-card-title a {
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.post-card-title a:hover {
  color: var(--color-primary);
}

.post-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  flex: 1;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.post-card-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.author-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.post-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.reading-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* No Posts */
.no-posts {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* ===================================
   7. Single Post Template
   =================================== */
.post-template {
  padding-bottom: 4rem;
}

.post-header {
  padding: 4rem 0 2rem;
  text-align: center;
}

.post-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  background-color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.post-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.post-excerpt {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.post-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar-large {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.author-name-large {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.post-meta-details {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.post-share {
  display: flex;
  gap: 0.5rem;
}

.share-button {
  padding: 0.75rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: var(--transition-base);
}

.share-button:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

.share-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.post-feature-image {
  margin: 0 auto 4rem;
  max-width: 1400px;
  border-radius: 1rem;
  overflow: hidden;
}

.post-feature-image img {
  width: 100%;
  height: auto;
}

.post-content {
  padding: 2rem 0;
}

.post-content-body {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.post-content-body h2 {
  font-size: 2rem;
  margin: 3rem 0 1rem;
  font-weight: 700;
}

.post-content-body h3 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  font-weight: 600;
}

.post-content-body p {
  margin-bottom: 1.5rem;
}

.post-content-body a {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
}

.post-content-body a:hover {
  border-bottom-color: var(--color-primary);
}

.post-content-body img {
  margin: 2rem auto;
  border-radius: 0.5rem;
}

.post-content-body code {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  background: var(--bg-secondary);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875em;
}

.post-content-body pre {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: var(--color-dark-900);
  overflow-x: auto;
}

.post-content-body pre code {
  padding: 0;
  background: none;
  color: #f8f8f2;
}

.post-content-body blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--color-primary);
  background: var(--bg-secondary);
  border-radius: 0 0.5rem 0.5rem 0;
  font-style: italic;
}

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

.post-content-body li {
  margin-bottom: 0.5rem;
}

.post-tags {
  max-width: 800px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.post-tags h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.tag-badge:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Author Bio */
.author-bio {
  margin: 4rem 0;
  padding: 3rem 0;
}

.author-bio-content {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.author-bio-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-info {
  flex: 1;
}

.author-bio-name {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.author-bio-name a {
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.author-bio-name a:hover {
  color: var(--color-primary);
}

.author-bio-text {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

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

.author-bio-link:hover {
  gap: 0.75rem;
}

/* Related Posts */
.related-posts {
  padding: 4rem 0;
}

.related-posts-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

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

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

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo img {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

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

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

.footer-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-section nav,
.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: 0.9375rem;
}

.footer-section a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

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

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  transition: var(--transition-base);
}

.social-link:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 4px 12px rgba(233, 92, 73, 0.4);
  color: white;
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.footer-newsletter {
  max-width: 400px;
}

.newsletter-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.newsletter-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  background-color: var(--color-primary);
  color: white;
  font-weight: 600;
  text-align: center;
  transition: var(--transition-base);
}

.newsletter-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 92, 73, 0.4);
  color: white;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-powered a {
  color: var(--text-secondary);
  font-weight: 600;
  transition: var(--transition-fast);
}

.footer-powered a:hover {
  color: var(--color-primary);
}

/* ===================================
   9. Author & Tag Pages
   =================================== */
.author-profile {
  padding: 4rem 0;
}

.author-profile-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.author-profile-image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 4px solid var(--color-primary);
}

.author-profile-info {
  flex: 1;
}

.author-profile-name {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.author-profile-bio {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.author-profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.author-location,
.author-website,
.author-post-count {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.author-twitter {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background-color: var(--color-primary);
  color: white;
  font-weight: 600;
  transition: var(--transition-base);
}

.author-twitter:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(233, 92, 73, 0.4);
  color: white;
}

.tag-header {
  padding: 4rem 0 2rem;
  text-align: center;
}

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

.tag-badge-large {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  background-color: var(--color-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.tag-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.tag-meta {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .author-profile-content {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }
  
  .author-profile-meta {
    justify-content: center;
  }
}

/* ===================================
   10. Pagination
   =================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 4rem 0;
}

.pagination a,
.pagination .page-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  transition: var(--transition-base);
}

.pagination a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.pagination .page-number.current {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ===================================
   11. Responsive Design
   =================================== */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.5rem;
  }
  
  .site-nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-section {
    min-height: 60vh;
  }
  
  .posts-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  
  .author-bio-content {
    flex-direction: column;
    text-align: center;
  }
  
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .post-content-body {
    font-size: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .post-card-image {
    height: 200px;
  }
}

/* ===================================
   12. Utility Classes
   =================================== */
.glow-button {
  position: relative;
  overflow: hidden;
}

.glow-button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-primary), var(--color-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glow-button:hover::before {
  opacity: 0.2;
}

/* ===================================
   13. Animations
   =================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* ===================================
   14. Ghost Content Cards
   =================================== */
/* Ghost Editor Card Widths */
.kg-width-wide {
  position: relative;
  width: 85vw;
  min-width: 100%;
  margin: 2rem auto;
}

.kg-width-full {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

/* Ghost Card Styles */
.kg-card {
  margin: 2rem 0;
}

.kg-embed-card {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2rem 0;
}

.kg-image-card,
.kg-gallery-card {
  margin: 2rem auto;
}

.kg-image {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.kg-gallery-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.kg-gallery-image {
  flex: 1 1 300px;
  border-radius: 0.5rem;
}

.kg-bookmark-card {
  width: 100%;
  margin: 2rem 0;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: var(--transition-base);
}

.kg-bookmark-card:hover {
  box-shadow: 0 4px 12px var(--shadow-color);
}

.kg-bookmark-container {
  display: flex;
  text-decoration: none;
  color: var(--text-primary);
}

.kg-bookmark-content {
  flex: 1;
  padding: 1.5rem;
}

.kg-bookmark-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.kg-bookmark-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kg-bookmark-metadata {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.kg-bookmark-icon {
  width: 16px;
  height: 16px;
}

.kg-bookmark-thumbnail {
  min-width: 200px;
  max-height: 200px;
}

.kg-bookmark-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .kg-width-wide {
    width: 100%;
  }
  
  .kg-bookmark-container {
    flex-direction: column;
  }
  
  .kg-bookmark-thumbnail {
    min-width: 100%;
    max-height: 160px;
  }
}

/* ===================================
   15. 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 Styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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