/* ===================================
   FLUX KREA ARTICLE STYLES
   Premium design system for individual blog posts
   =================================== */

/* === ARTICLE HEADER === */
.article-header {
  background: var(--bg-premium-primary);
  padding: calc(70px + var(--space-premium-4xl)) 0 var(--space-premium-4xl);
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(14, 165, 233, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.article-header .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  font-family: var(--font-premium-body);
  font-size: 0.875rem;
  color: var(--text-premium-tertiary);
  margin-bottom: var(--space-premium-xl);
}

.breadcrumb a {
  color: var(--text-premium-secondary);
  text-decoration: none;
  transition: color var(--transition-premium-normal);
}

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

.article-title {
  font-family: var(--font-premium-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-premium-primary);
  margin-bottom: var(--space-premium-xl);
  letter-spacing: -0.02em;
  max-width: 800px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-premium-md);
  font-family: var(--font-premium-body);
  font-size: 0.95rem;
  color: var(--text-premium-secondary);
  flex-wrap: wrap;
}

.article-meta time {
  font-weight: 600;
  color: var(--premium-primary);
}

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

.read-time,
.category {
  font-weight: 500;
}

.category {
  padding: var(--space-premium-xs) var(--space-premium-md);
  background: var(--bg-premium-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-premium-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === ARTICLE CONTENT === */
.article-content {
  padding: var(--space-premium-5xl) 0;
  background: var(--bg-premium-secondary);
  position: relative;
}

.article-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(14, 165, 233, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.01) 1px, transparent 1px);
  background-size: 60px 60px;
  mask: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
  pointer-events: none;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-premium-4xl);
  position: relative;
  z-index: 1;
}

.article-body {
  background: var(--bg-premium-primary);
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-premium-2xl);
  padding: var(--space-premium-4xl);
  box-shadow: var(--shadow-premium-xl);
  position: relative;
  overflow: hidden;
}

.article-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

/* Article Typography */
.article-intro {
  font-family: var(--font-premium-body);
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-premium-primary);
  font-weight: 500;
  margin-bottom: var(--space-premium-3xl);
  padding: var(--space-premium-xl);
  background: var(--bg-premium-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-premium-xl);
  border-left: 4px solid var(--premium-primary);
}

.article-body h2 {
  font-family: var(--font-premium-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-premium-primary);
  margin: var(--space-premium-3xl) 0 var(--space-premium-xl);
  line-height: 1.2;
  position: relative;
}

.article-body h2::before {
  content: '';
  position: absolute;
  left: -var(--space-premium-xl);
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.article-body h3 {
  font-family: var(--font-premium-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-premium-primary);
  margin: var(--space-premium-2xl) 0 var(--space-premium-lg);
  line-height: 1.3;
}

.article-body p {
  font-family: var(--font-premium-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-premium-secondary);
  margin-bottom: var(--space-premium-lg);
}

.article-body ul,
.article-body ol {
  font-family: var(--font-premium-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-premium-secondary);
  margin-bottom: var(--space-premium-lg);
  padding-left: var(--space-premium-xl);
}

.article-body li {
  margin-bottom: var(--space-premium-sm);
}

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

/* Prompt Examples */
.prompt-example {
  background: var(--bg-premium-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-premium-xl);
  padding: var(--space-premium-xl);
  margin: var(--space-premium-xl) 0;
  position: relative;
}

.prompt-example::before {
  content: '💡';
  position: absolute;
  top: var(--space-premium-md);
  right: var(--space-premium-md);
  font-size: 1.5rem;
  opacity: 0.7;
}

.prompt-example p {
  margin: 0;
  font-family: var(--font-premium-mono);
  font-size: 0.95rem;
  line-height: 1.6;
}

.prompt-example p:first-child {
  margin-bottom: var(--space-premium-md);
}

.prompt-example strong {
  color: var(--premium-primary);
  font-weight: 700;
}

/* Article Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-premium-sm);
  margin-top: var(--space-premium-3xl);
  padding-top: var(--space-premium-xl);
  border-top: 1px solid var(--border-color);
}

.tag {
  padding: var(--space-premium-xs) var(--space-premium-md);
  background: var(--bg-premium-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-premium-full);
  font-family: var(--font-premium-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-premium-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-premium-normal);
}

.tag:hover {
  background: var(--premium-primary);
  color: var(--text-premium-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-premium-sm);
}

/* === ARTICLE SIDEBAR === */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-premium-xl);
}

.related-articles,
.cta-box {
  background: var(--bg-premium-primary);
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-premium-xl);
  padding: var(--space-premium-xl);
  box-shadow: var(--shadow-premium-md);
  transition: var(--transition-premium-normal);
}

.related-articles:hover,
.cta-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-premium-lg);
  border-color: rgba(14, 165, 233, 0.2);
}

.related-articles h3,
.cta-box h3 {
  font-family: var(--font-premium-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-premium-primary);
  margin-bottom: var(--space-premium-lg);
  position: relative;
  padding-bottom: var(--space-premium-sm);
}

.related-articles h3::after,
.cta-box h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.related-articles ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-articles li {
  margin-bottom: var(--space-premium-sm);
}

.related-articles a {
  display: block;
  padding: var(--space-premium-sm) 0;
  font-family: var(--font-premium-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-premium-secondary);
  text-decoration: none;
  border-radius: var(--radius-premium-sm);
  transition: var(--transition-premium-normal);
  line-height: 1.5;
}

.related-articles a:hover {
  color: var(--premium-primary);
  padding-left: var(--space-premium-sm);
  background: rgba(14, 165, 233, 0.05);
}

.cta-box p {
  font-family: var(--font-premium-body);
  font-size: 1rem;
  color: var(--text-premium-secondary);
  margin-bottom: var(--space-premium-lg);
  line-height: 1.6;
}

.cta-box .btn {
  width: 100%;
  justify-content: center;
}

/* === SIMPLIFIED NAVIGATION === */
.article-content nav.navbar {
  background: var(--bg-premium-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
  box-shadow: var(--shadow-premium-md);
}

.article-content .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-premium-xl);
  height: 70px;
}

.article-content .brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-premium-sm);
  color: var(--text-premium-primary);
  font-weight: 600;
  font-size: var(--font-size-xl);
  text-decoration: none;
}

.article-content .brand-logo {
  width: 120px;
  height: auto;
  max-height: 32px;
  transition: all 0.3s ease;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.article-content .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-premium-sm);
}

.article-content .nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-premium-primary);
  transition: all var(--transition-premium-fast);
}

.article-content .nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-premium-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-content .nav-link {
  color: var(--text-premium-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-premium-sm) var(--space-premium-md);
  border-radius: var(--radius-premium-sm);
  transition: all var(--transition-premium-normal);
  text-decoration: none;
}

.article-content .nav-link:hover,
.article-content .nav-link.active {
  color: var(--premium-primary);
  background-color: var(--bg-premium-secondary);
}

/* Dropdown menu for articles */
.article-content .dropdown {
  position: relative;
}

.article-content .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-premium-primary);
  border: 1px solid rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-premium-lg);
  box-shadow: var(--shadow-premium-xl);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-premium-normal);
  list-style: none;
  padding: var(--space-premium-sm);
  margin: 0;
  z-index: 1000;
}

.article-content .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.article-content .dropdown-menu li {
  margin: 0;
}

.article-content .dropdown-menu a {
  display: block;
  padding: var(--space-premium-sm) var(--space-premium-md);
  color: var(--text-premium-secondary);
  border-radius: var(--radius-premium-sm);
  transition: all var(--transition-premium-fast);
  text-decoration: none;
}

.article-content .dropdown-menu a:hover {
  background-color: var(--bg-premium-secondary);
  color: var(--premium-primary);
}

/* === FOOTER ADJUSTMENTS === */
.article-content .footer {
  background: var(--bg-premium-primary);
  border-top: 1px solid rgba(14, 165, 233, 0.1);
  padding: var(--space-premium-2xl) 0 var(--space-premium-lg);
  margin-top: 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-premium-xl);
  margin-bottom: var(--space-premium-xl);
}

.footer-section h3,
.footer-section h4 {
  font-family: var(--font-premium-display);
  font-weight: 600;
  color: var(--text-premium-primary);
  margin-bottom: var(--space-premium-lg);
  position: relative;
  padding-bottom: var(--space-premium-sm);
}

.footer-section h3::after,
.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.footer-section p {
  font-family: var(--font-premium-body);
  color: var(--text-premium-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-premium-md);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--space-premium-sm);
}

.footer-section a {
  color: var(--text-premium-secondary);
  transition: all var(--transition-premium-fast);
  text-decoration: none;
  font-family: var(--font-premium-body);
  line-height: 1.5;
  display: block;
  padding: var(--space-premium-xs) 0;
  border-radius: var(--radius-premium-sm);
}

.footer-section a:hover {
  color: var(--premium-primary);
  padding-left: var(--space-premium-sm);
  background: rgba(14, 165, 233, 0.05);
}

.footer-bottom {
  border-top: 1px solid rgba(14, 165, 233, 0.1);
  padding-top: var(--space-premium-lg);
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-premium-body);
  color: var(--text-premium-tertiary);
  margin: 0;
  line-height: 1.5;
}

.footer-bottom a {
  color: var(--premium-primary);
  font-weight: 500;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-premium-2xl);
  }
  
  .article-sidebar {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    gap: var(--space-premium-xl);
    display: grid;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .article-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .article-header {
    padding: calc(70px + var(--space-premium-2xl)) 0 var(--space-premium-2xl);
  }
  
  .article-title {
    font-size: 2rem;
  }
  
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-premium-sm);
  }
  
  .article-body {
    padding: var(--space-premium-2xl);
  }
  
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .article-content .nav-menu {
    display: none;
  }
  
  .article-content .nav-toggle {
    display: flex;
  }
  
  .article-body h2 {
    font-size: 1.75rem;
  }
  
  .article-body h3 {
    font-size: 1.25rem;
  }
  
  .article-body p,
  .article-body ul,
  .article-body ol {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .article-title {
    font-size: 1.75rem;
  }
  
  .article-body {
    padding: var(--space-premium-lg);
  }
  
  .related-articles,
  .cta-box {
    padding: var(--space-premium-lg);
  }
  
  .article-body h2::before {
    display: none;
  }
}