/* ============================================
   PREMIUM SAAS BLOG DESIGN SYSTEM
   Stripe/Linear/Notion/Intercom/HubSpot Level
   Know Connections - Brand Preserved
   ============================================ */

/* ---- Design Tokens ---- */
:root {
  --kc-primary: #0D98FE;
  --kc-primary-dark: #0a7acc;
  --kc-primary-light: rgba(13, 152, 254, 0.08);
  --kc-primary-hover: rgba(13, 152, 254, 0.12);
  --kc-accent: #0D98FE;
  --kc-bg: #FFFFFF;
  --kc-bg-alt: #F8F9FC;
  --kc-bg-warm: #FCFCFD;
  --kc-text: #111827;
  --kc-text-secondary: #374151;
  --kc-text-muted: #6B7280;
  --kc-text-light: #9CA3AF;
  --kc-border: #E5E7EB;
  --kc-border-light: #F3F4F6;
  --kc-success: #10B981;
  --kc-success-bg: #ECFDF5;
  --kc-warning: #F59E0B;
  --kc-warning-bg: #FFFBEB;
  --kc-error: #EF4444;
  --kc-error-bg: #FEF2F2;

  /* Typography */
  --kc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --kc-font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --kc-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Typography Scale */
  --kc-text-display: clamp(2.5rem, 5vw, 3.5rem);
  --kc-text-h1: clamp(1.75rem, 3.5vw, 2.5rem);
  --kc-text-h2: clamp(1.375rem, 2.5vw, 1.75rem);
  --kc-text-h3: clamp(1.125rem, 1.75vw, 1.375rem);
  --kc-text-h4: 1.125rem;
  --kc-text-body: 1.0625rem;
  --kc-text-small: 0.875rem;
  --kc-text-xs: 0.75rem;

  /* Line Heights */
  --kc-leading-tight: 1.15;
  --kc-leading-snug: 1.3;
  --kc-leading-normal: 1.5;
  --kc-leading-relaxed: 1.7;
  --kc-leading-loose: 1.85;

  /* Spacing Scale */
  --kc-space-1: 0.25rem;
  --kc-space-2: 0.5rem;
  --kc-space-3: 0.75rem;
  --kc-space-4: 1rem;
  --kc-space-5: 1.25rem;
  --kc-space-6: 1.5rem;
  --kc-space-8: 2rem;
  --kc-space-10: 2.5rem;
  --kc-space-12: 3rem;
  --kc-space-16: 4rem;
  --kc-space-20: 5rem;
  --kc-space-24: 6rem;

  /* Border Radius */
  --kc-radius-sm: 6px;
  --kc-radius-md: 8px;
  --kc-radius-lg: 12px;
  --kc-radius-xl: 16px;
  --kc-radius-2xl: 20px;
  --kc-radius-3xl: 24px;
  --kc-radius-full: 9999px;

  /* Shadows */
  --kc-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --kc-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --kc-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.04);
  --kc-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --kc-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --kc-shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);

  /* Content Max Width */
  --kc-content-width: 720px;
  --kc-content-width-wide: 800px;

  /* Transitions */
  --kc-transition-fast: 150ms ease;
  --kc-transition: 200ms ease;
  --kc-transition-slow: 300ms ease;
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
#kc-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--kc-primary), var(--kc-accent));
  z-index: 999999;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 1px 4px rgba(24, 95, 165, 0.3);
  transition: width 100ms linear;
}

/* ============================================
   ARTICLE HERO
   ============================================ */
.kc-article-hero {
  background: var(--kc-bg);
  padding: var(--kc-space-12) 0 var(--kc-space-10);
  margin-top: 60px;
}

.kc-article-hero .kc-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-2);
  color: var(--kc-text-muted);
  font-size: var(--kc-text-small);
  font-weight: 500;
  text-decoration: none;
  margin-bottom: var(--kc-space-6);
  transition: color var(--kc-transition);
  padding: var(--kc-space-1) var(--kc-space-2);
  margin-left: calc(-1 * var(--kc-space-2));
  border-radius: var(--kc-radius-md);
}

.kc-article-hero .kc-back-link:hover {
  color: var(--kc-primary);
  background: var(--kc-primary-light);
}

.kc-article-hero .kc-category-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-1);
  background: var(--kc-primary-light);
  color: var(--kc-primary);
  font-size: var(--kc-text-xs);
  font-weight: 600;
  padding: var(--kc-space-1) var(--kc-space-3);
  border-radius: var(--kc-radius-full);
  text-decoration: none;
  margin-bottom: var(--kc-space-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--kc-transition);
}

.kc-article-hero .kc-category-badge:hover {
  background: var(--kc-primary);
  color: #fff;
}

.kc-article-hero .kc-article-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h1);
  font-weight: 700;
  line-height: var(--kc-leading-tight);
  color: var(--kc-text);
  margin-bottom: var(--kc-space-4);
  letter-spacing: -0.025em;
  max-width: 900px;
}

.kc-article-hero .kc-article-summary {
  font-size: calc(var(--kc-text-body) + 0.125rem);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text-secondary);
  margin-bottom: var(--kc-space-6);
  max-width: 720px;
}

.kc-article-hero .kc-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--kc-space-3);
  padding: var(--kc-space-5) 0 0;
  border-top: 1px solid var(--kc-border-light);
}

.kc-article-hero .kc-meta-item {
  display: flex;
  align-items: center;
  gap: var(--kc-space-2);
  font-size: var(--kc-text-small);
  color: var(--kc-text-muted);
  line-height: 1;
}

.kc-article-hero .kc-meta-item i {
  font-size: 0.8125rem;
  color: var(--kc-text-light);
  width: 16px;
  text-align: center;
}

.kc-article-hero .kc-meta-item a {
  color: var(--kc-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--kc-transition);
}

.kc-article-hero .kc-meta-item a:hover {
  color: var(--kc-primary);
}

.kc-article-hero .kc-meta-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--kc-border);
}

/* ---- Featured Image ---- */
.kc-featured-image-wrapper {
  padding: var(--kc-space-6) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.kc-featured-image-wrapper .container {
  padding: 0 var(--kc-space-4);
  max-width: 1000px;
}

.kc-featured-image-wrapper .kc-featured-image {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  border-radius: var(--kc-radius-xl);
  display: block;
  background: #fff;
  box-shadow: var(--kc-shadow-xl);
  padding: var(--kc-space-2);
}

/* ============================================
   LAYOUT: THREE-COLUMN (TOC + CONTENT + SIDEBAR)
   ============================================ */
.kc-blog-main-wrapper {
  padding: var(--kc-space-12) 0 var(--kc-space-16);
  background: var(--kc-bg);
}

.kc-three-col-container {
  max-width: 1400px !important;
}

.kc-three-col-row {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.kc-left-col {
  width: calc(20% - 15px);
  flex-shrink: 0;
}

.kc-center-col {
  width: calc(55% - 15px);
  flex: 1;
  min-width: 0;
}

.kc-right-col {
  width: calc(25% - 15px);
  flex-shrink: 0;
}

/* ---- Sticky TOC (Desktop Left) ---- */
.kc-toc-sidebar {
  position: sticky;
  top: calc(60px + var(--kc-space-8));
  align-self: start;
}

.kc-toc-sidebar .kc-toc-inner {
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  padding: var(--kc-space-6);
  box-shadow: var(--kc-shadow-sm);
}

.kc-toc-sidebar .kc-toc-label {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-xs);
  font-weight: 700;
  color: var(--kc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--kc-space-4);
  display: flex;
  align-items: center;
  gap: var(--kc-space-2);
}

.kc-toc-sidebar .kc-toc-label i {
  color: var(--kc-primary);
  font-size: 0.75rem;
}

.kc-toc-sidebar .kc-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kc-toc-sidebar .kc-toc-list li {
  margin: 0;
  padding: 0;
}

.kc-toc-sidebar .kc-toc-list li a {
  display: block;
  padding: var(--kc-space-1) var(--kc-space-3);
  font-size: var(--kc-text-xs);
  line-height: var(--kc-leading-normal);
  color: var(--kc-text-muted);
  text-decoration: none;
  border-radius: var(--kc-radius-md);
  transition: all var(--kc-transition);
  border-left: 2px solid transparent;
  margin-bottom: 2px;
}

.kc-toc-sidebar .kc-toc-list li a:hover {
  color: var(--kc-text);
  background: var(--kc-bg-alt);
}

.kc-toc-sidebar .kc-toc-list li a.active {
  color: var(--kc-primary);
  background: var(--kc-primary-light);
  border-left-color: var(--kc-primary);
  font-weight: 600;
}

.kc-toc-sidebar .kc-toc-list li.kc-toc-h3 a {
  padding-left: var(--kc-space-6);
  font-size: 0.6875rem;
}

.kc-toc-sidebar .kc-toc-list li.kc-toc-h4 a {
  padding-left: var(--kc-space-10);
  font-size: 0.6875rem;
}

/* ---- Right Sidebar Widgets ---- */
.kc-right-col .kc-sidebar-widget {
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  padding: var(--kc-space-6);
  margin-bottom: var(--kc-space-6);
  box-shadow: var(--kc-shadow-sm);
}

.kc-right-col .kc-sidebar-widget:last-child {
  margin-bottom: 0;
}

.kc-right-col .kc-sidebar-widget h4 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 700;
  color: var(--kc-text);
  margin: 0 0 var(--kc-space-4);
  padding-bottom: var(--kc-space-3);
  border-bottom: 2px solid var(--kc-primary-light);
}

/* ============================================
   SEARCH WIDGET (Premium)
   ============================================ */
.kc-search-widget {
  position: relative;
}

.kc-search-container {
  position: relative;
}

.kc-search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  overflow: hidden;
  transition: border-color var(--kc-transition), box-shadow var(--kc-transition);
  position: relative;
}

.kc-search-form:focus-within {
  border-color: var(--kc-primary);
  box-shadow: 0 0 0 3px var(--kc-primary-light);
}

.kc-search-form input {
  flex: 1;
  border: none;
  padding: 12px 12px;
  font-size: 14px;
  outline: none;
  background: transparent;
  font-family: var(--kc-font);
  color: var(--kc-text);
  min-width: 0;
}

.kc-search-form input::placeholder {
  color: var(--kc-text-muted);
}

.kc-search-form button {
  border: none;
  background: transparent;
  padding: 0 10px;
  color: var(--kc-text-muted);
  cursor: pointer;
  transition: color var(--kc-transition);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kc-search-form:focus-within button {
  color: var(--kc-primary);
}

.kc-search-clear {
  display: none;
  font-size: 12px;
}

.kc-search-clear.kc-visible {
  display: flex;
}

/* Dropdown */
.kc-search-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  box-shadow: var(--kc-shadow-lg);
  z-index: 1000;
  max-height: 420px;
  overflow-y: auto;
  padding: var(--kc-space-4);
}

.kc-search-dropdown.kc-open {
  display: block;
}

.kc-search-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--kc-text-light);
  margin-bottom: var(--kc-space-3);
  display: flex;
  align-items: center;
  gap: var(--kc-space-2);
}

.kc-search-section-label i {
  font-size: 10px;
  color: var(--kc-primary);
}

/* Popular Searches */
.kc-search-popular {
  margin-bottom: var(--kc-space-4);
  padding-bottom: var(--kc-space-4);
  border-bottom: 1px solid var(--kc-bg-alt);
}

.kc-search-popular-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.kc-search-popular-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--kc-text-muted);
  background: var(--kc-bg-alt);
  border-radius: var(--kc-radius-full);
  cursor: pointer;
  transition: all var(--kc-transition);
}

.kc-search-popular-tag:hover {
  background: var(--kc-primary-light);
  color: var(--kc-primary);
}

/* Search History */
.kc-search-history {
  margin-bottom: var(--kc-space-4);
  padding-bottom: var(--kc-space-4);
  border-bottom: 1px solid var(--kc-bg-alt);
}

.kc-search-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  font-size: 13px;
  color: var(--kc-text-muted);
  cursor: pointer;
  border-radius: var(--kc-radius-md);
  transition: all var(--kc-transition);
}

.kc-search-history-item:hover {
  background: var(--kc-bg-alt);
  color: var(--kc-text);
}

.kc-search-history-item .kc-search-history-text {
  display: flex;
  align-items: center;
  gap: var(--kc-space-2);
}

.kc-search-history-item .kc-search-history-text i {
  font-size: 11px;
  color: var(--kc-text-light);
}

.kc-search-history-item .kc-search-history-remove {
  font-size: 10px;
  color: var(--kc-text-light);
  padding: 2px;
  border: none;
  background: none;
  cursor: pointer;
  transition: color var(--kc-transition);
}

.kc-search-history-item .kc-search-history-remove:hover {
  color: #ef4444;
}

.kc-search-history-clear {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: var(--kc-primary);
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  transition: opacity var(--kc-transition);
  margin-top: 4px;
}

.kc-search-history-clear:hover {
  opacity: 0.7;
}

/* Filters */
.kc-search-filters {
  margin-bottom: var(--kc-space-4);
  padding-bottom: var(--kc-space-4);
  border-bottom: 1px solid var(--kc-bg-alt);
}

.kc-search-filter-group {
  margin-bottom: 8px;
}

.kc-search-filter-group:last-child {
  margin-bottom: 0;
}

.kc-search-filter-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--kc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.kc-search-filter-group select {
  width: 100%;
  padding: 6px 8px;
  font-size: 13px;
  font-family: var(--kc-font);
  color: var(--kc-text);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-md);
  background: var(--kc-bg);
  outline: none;
  cursor: pointer;
  transition: border-color var(--kc-transition);
}

.kc-search-filter-group select:focus {
  border-color: var(--kc-primary);
}

/* Result Count */
.kc-search-result-count {
  font-size: 12px;
  color: var(--kc-text-light);
  margin-top: var(--kc-space-2);
  text-align: center;
  display: none;
}

.kc-search-result-count.kc-visible {
  display: block;
}

/* Results List */
.kc-search-results {
  margin-bottom: 0;
}

.kc-search-result-item {
  display: flex;
  gap: 12px;
  padding: 10px 8px;
  border-radius: var(--kc-radius-md);
  cursor: pointer;
  transition: all var(--kc-transition);
  text-decoration: none;
  border-bottom: 1px solid var(--kc-bg-alt);
}

.kc-search-result-item:last-child {
  border-bottom: none;
}

.kc-search-result-item:hover,
.kc-search-result-item.kc-highlighted {
  background: var(--kc-primary-light);
}

.kc-search-result-item .kc-search-result-img {
  width: 44px;
  height: 44px;
  border-radius: var(--kc-radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.kc-search-result-item .kc-search-result-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kc-search-result-item .kc-search-result-info {
  flex: 1;
  min-width: 0;
}

.kc-search-result-item .kc-search-result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--kc-text);
  line-height: 1.35;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kc-search-result-item .kc-search-result-title em,
.kc-search-result-item .kc-search-result-title mark {
  background: rgba(13, 152, 254, 0.15);
  color: var(--kc-primary);
  font-style: normal;
  padding: 0 2px;
  border-radius: 2px;
}

.kc-search-result-item .kc-search-result-meta {
  font-size: 11px;
  color: var(--kc-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.kc-search-result-item .kc-search-result-meta .kc-search-result-cat {
  display: inline-block;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 600;
  color: var(--kc-primary);
  background: var(--kc-primary-light);
  border-radius: var(--kc-radius-full);
}

/* Empty State */
.kc-search-empty {
  text-align: center;
  padding: var(--kc-space-8) var(--kc-space-4);
}

.kc-search-empty-icon {
  font-size: 32px;
  color: var(--kc-text-light);
  margin-bottom: var(--kc-space-3);
}

.kc-search-empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--kc-text);
  margin-bottom: var(--kc-space-1);
}

.kc-search-empty-text {
  font-size: 13px;
  color: var(--kc-text-muted);
  margin-bottom: var(--kc-space-5);
}

.kc-search-empty-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  font-size: 12px;
  color: var(--kc-text-light);
}

.kc-search-empty-suggestions .kc-search-popular-tag {
  font-size: 11px;
}

/* Loading state */
.kc-search-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--kc-space-6);
  gap: 8px;
  color: var(--kc-text-light);
  font-size: 13px;
}

.kc-search-loading .kc-search-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--kc-bg-alt);
  border-top-color: var(--kc-primary);
  border-radius: 50%;
  animation: kc-spin 0.6s linear infinite;
}

@keyframes kc-spin {
  to { transform: rotate(360deg); }
}

/* Scrollbar styling for dropdown */
.kc-search-dropdown::-webkit-scrollbar {
  width: 4px;
}

.kc-search-dropdown::-webkit-scrollbar-track {
  background: transparent;
}

.kc-search-dropdown::-webkit-scrollbar-thumb {
  background: var(--kc-border);
  border-radius: 4px;
}

.kc-right-col .kc-recent-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--kc-bg-alt);
}

.kc-right-col .kc-recent-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.kc-right-col .kc-recent-img {
  width: 60px;
  height: 60px;
  border-radius: var(--kc-radius-lg);
  overflow: hidden;
  flex-shrink: 0;
}

.kc-right-col .kc-recent-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kc-right-col .kc-recent-info h6 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.3;
}

.kc-right-col .kc-recent-info h6 a {
  color: var(--kc-text);
  text-decoration: none;
  transition: color var(--kc-transition);
}

.kc-right-col .kc-recent-info h6 a:hover {
  color: var(--kc-primary);
}

.kc-right-col .kc-recent-meta {
  font-size: 12px;
  color: var(--kc-text-muted);
}

.kc-right-col .kc-cat-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kc-right-col .kc-cat-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--kc-bg-alt);
  font-size: 14px;
}

.kc-right-col .kc-cat-list li:last-child {
  border-bottom: none;
}

.kc-right-col .kc-cat-list li a {
  color: var(--kc-text-muted);
  text-decoration: none;
  transition: color var(--kc-transition);
}

.kc-right-col .kc-cat-list li a:hover {
  color: var(--kc-primary);
}

.kc-right-col .kc-cat-list .kc-cat-count {
  color: var(--kc-text-muted);
  font-size: 13px;
}

.kc-right-col .kc-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kc-right-col .kc-tag-cloud a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--kc-text-muted);
  background: var(--kc-bg-alt);
  border-radius: var(--kc-radius-md);
  text-decoration: none;
  transition: all var(--kc-transition);
}

.kc-right-col .kc-tag-cloud a:hover {
  background: var(--kc-primary-light);
  color: var(--kc-primary);
}

.kc-right-col .kc-social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.kc-right-col .kc-social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--kc-radius-lg);
  background: var(--kc-bg-alt);
  color: var(--kc-text-muted);
  font-size: 16px;
  text-decoration: none;
  transition: all var(--kc-transition);
}

/* Ensure icon fonts show consistently (Facebook/LinkedIn/etc use <i>) */
.kc-right-col .kc-social-links a i {
  display: inline-block;
  line-height: 1;
  font-size: 1.05rem;
  color: inherit;
}

.kc-right-col .kc-social-links a:hover i {
  color: inherit;
}


.kc-right-col .kc-social-links a:hover {
  background: var(--kc-primary);
  color: var(--kc-bg);
  transform: translateY(-2px);
}

.kc-right-col .kc-sidebar {
  position: sticky;
  top: 100px;
}

/* ---- Mobile TOC Dropdown ---- */
.kc-mobile-toc {
  display: none;
  margin-bottom: var(--kc-space-6);
}

.kc-mobile-toc select {
  width: 100%;
  padding: var(--kc-space-3) var(--kc-space-4);
  font-family: var(--kc-font);
  font-size: var(--kc-text-small);
  color: var(--kc-text);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  background: var(--kc-bg);
  box-shadow: var(--kc-shadow-xs);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border-color var(--kc-transition), box-shadow var(--kc-transition);
}

.kc-mobile-toc select:focus {
  outline: none;
  border-color: var(--kc-primary);
  box-shadow: 0 0 0 3px var(--kc-primary-light);
}

.kc-mobile-toc label {
  display: block;
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-xs);
  font-weight: 700;
  color: var(--kc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--kc-space-2);
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */
.kc-article-body {
  max-width: var(--kc-content-width);
}

.kc-article-body h2 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h2);
  font-weight: 700;
  line-height: var(--kc-leading-snug);
  color: var(--kc-text);
  margin-top: var(--kc-space-16);
  margin-bottom: var(--kc-space-4);
  letter-spacing: -0.015em;
  padding-top: var(--kc-space-2);
}

.kc-article-body h3 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h3);
  font-weight: 600;
  line-height: var(--kc-leading-snug);
  color: var(--kc-text);
  margin-top: var(--kc-space-12);
  margin-bottom: var(--kc-space-3);
  letter-spacing: -0.01em;
}

.kc-article-body h4 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h4);
  font-weight: 600;
  line-height: var(--kc-leading-snug);
  color: var(--kc-text);
  margin-top: var(--kc-space-10);
  margin-bottom: var(--kc-space-2);
}

.kc-article-body p {
  font-size: var(--kc-text-body);
  line-height: var(--kc-leading-loose);
  color: var(--kc-text-secondary);
  margin-bottom: var(--kc-space-6);
}

.kc-article-body ul,
.kc-article-body ol {
  margin-bottom: var(--kc-space-6);
  padding-left: var(--kc-space-6);
}

.kc-article-body li {
  font-size: var(--kc-text-body);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text-secondary);
  margin-bottom: var(--kc-space-2);
  padding-left: var(--kc-space-2);
}

.kc-article-body li::marker {
  color: var(--kc-primary);
}

.kc-article-body a {
  color: var(--kc-primary);
  text-decoration: underline;
  text-decoration-color: rgba(24, 95, 165, 0.2);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--kc-transition);
  font-weight: 500;
}

.kc-article-body a:hover {
  text-decoration-color: var(--kc-primary);
}

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

.kc-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--kc-radius-lg);
  margin: var(--kc-space-8) 0;
  box-shadow: var(--kc-shadow-md);
}

.kc-article-body hr {
  border: none;
  height: 1px;
  background: var(--kc-border);
  margin: var(--kc-space-12) 0;
}

/* ============================================
   PREMIUM CONTENT COMPONENTS
   ============================================ */

/* ---- Key Insight Box ---- */
.kc-insight {
  background: var(--kc-primary-light);
  border-left: 4px solid var(--kc-primary);
  border-radius: var(--kc-radius-lg);
  padding: var(--kc-space-6) var(--kc-space-8);
  margin: var(--kc-space-8) 0;
  position: relative;
}

.kc-insight .kc-insight-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--kc-radius-md);
  background: var(--kc-primary);
  color: #fff;
  font-size: 1rem;
  margin-bottom: var(--kc-space-3);
}

.kc-insight .kc-insight-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 700;
  color: var(--kc-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--kc-space-2);
}

.kc-insight p {
  font-size: var(--kc-text-small) !important;
  color: var(--kc-text-secondary) !important;
  margin-bottom: 0 !important;
  line-height: var(--kc-leading-relaxed) !important;
}

/* ---- Pro Tip Box ---- */
.kc-tip {
  background: var(--kc-success-bg);
  border-left: 4px solid var(--kc-success);
  border-radius: var(--kc-radius-lg);
  padding: var(--kc-space-6) var(--kc-space-8);
  margin: var(--kc-space-8) 0;
  position: relative;
}

.kc-tip .kc-tip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--kc-radius-md);
  background: var(--kc-success);
  color: #fff;
  font-size: 1rem;
  margin-bottom: var(--kc-space-3);
}

.kc-tip .kc-tip-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 700;
  color: #065F46;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--kc-space-2);
}

.kc-tip p {
  font-size: var(--kc-text-small) !important;
  color: var(--kc-text-secondary) !important;
  margin-bottom: 0 !important;
  line-height: var(--kc-leading-relaxed) !important;
}

/* ---- Warning Box ---- */
.kc-warning {
  background: var(--kc-warning-bg);
  border-left: 4px solid var(--kc-warning);
  border-radius: var(--kc-radius-lg);
  padding: var(--kc-space-6) var(--kc-space-8);
  margin: var(--kc-space-8) 0;
  position: relative;
}

.kc-warning .kc-warning-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--kc-radius-md);
  background: var(--kc-warning);
  color: #fff;
  font-size: 1rem;
  margin-bottom: var(--kc-space-3);
}

.kc-warning .kc-warning-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 700;
  color: #92400E;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--kc-space-2);
}

.kc-warning p {
  font-size: var(--kc-text-small) !important;
  color: var(--kc-text-secondary) !important;
  margin-bottom: 0 !important;
  line-height: var(--kc-leading-relaxed) !important;
}

/* ---- Statistics Card ---- */
.kc-stat-card {
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  padding: var(--kc-space-8);
  margin: var(--kc-space-8) 0;
  text-align: center;
  box-shadow: var(--kc-shadow-sm);
  transition: box-shadow var(--kc-transition), transform var(--kc-transition);
}

.kc-stat-card:hover {
  box-shadow: var(--kc-shadow-lg);
  transform: translateY(-2px);
}

.kc-stat-card .kc-stat-number {
  font-family: var(--kc-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--kc-primary);
  line-height: 1;
  margin-bottom: var(--kc-space-2);
  letter-spacing: -0.03em;
}

.kc-stat-card .kc-stat-label {
  font-size: var(--kc-text-small);
  color: var(--kc-text-muted);
  line-height: var(--kc-leading-normal);
  margin-bottom: 0;
}

/* ---- Quick Summary Card ---- */
.kc-summary {
  background: var(--kc-bg-alt);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  padding: var(--kc-space-8);
  margin: var(--kc-space-8) 0;
  box-shadow: var(--kc-shadow-sm);
}

.kc-summary .kc-summary-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 700;
  color: var(--kc-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--kc-space-4);
  display: flex;
  align-items: center;
  gap: var(--kc-space-2);
}

.kc-summary .kc-summary-title i {
  color: var(--kc-primary);
}

.kc-summary ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.kc-summary ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--kc-space-3);
  font-size: var(--kc-text-small);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text-secondary);
  margin-bottom: var(--kc-space-3);
  padding: 0;
}

.kc-summary ul li:last-child {
  margin-bottom: 0;
}

.kc-summary ul li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kc-primary);
  flex-shrink: 0;
  margin-top: calc(var(--kc-leading-relaxed) * 0.5em - 3px);
}

/* ---- Blockquote ---- */
.kc-article-body blockquote {
  margin: var(--kc-space-10) 0;
  padding: var(--kc-space-6) var(--kc-space-8);
  background: var(--kc-bg-alt);
  border-radius: var(--kc-radius-lg);
  border-left: 4px solid var(--kc-primary);
  position: relative;
}

.kc-article-body blockquote p {
  font-size: calc(var(--kc-text-body) + 0.0625rem);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text);
  font-style: italic;
  margin-bottom: 0;
}

.kc-article-body blockquote cite {
  display: block;
  font-size: var(--kc-text-small);
  color: var(--kc-text-muted);
  font-style: normal;
  margin-top: var(--kc-space-3);
  font-weight: 500;
}

/* ---- Code Block ---- */
.kc-article-body code {
  font-family: var(--kc-font-mono);
  font-size: 0.875em;
  background: var(--kc-bg-alt);
  padding: 0.125em 0.375em;
  border-radius: var(--kc-radius-sm);
  color: var(--kc-text);
  border: 1px solid var(--kc-border);
}

.kc-article-body pre {
  background: #1F2937;
  color: #F3F4F6;
  padding: var(--kc-space-6);
  border-radius: var(--kc-radius-lg);
  overflow-x: auto;
  margin: var(--kc-space-8) 0;
  font-size: var(--kc-text-small);
  line-height: var(--kc-leading-relaxed);
}

.kc-article-body pre code {
  background: transparent;
  padding: 0;
  border: none;
  color: inherit;
  font-size: inherit;
}

/* ============================================
   MID-ARTICLE CTA
   ============================================ */
.kc-mid-cta {
  background: linear-gradient(135deg, var(--kc-primary) 0%, var(--kc-primary-dark) 100%);
  border-radius: var(--kc-radius-2xl);
  padding: var(--kc-space-10) var(--kc-space-12);
  margin: var(--kc-space-12) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.kc-mid-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.kc-mid-cta .kc-mid-cta-content {
  position: relative;
  z-index: 1;
}

.kc-mid-cta .kc-mid-cta-label {
  display: inline-block;
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--kc-space-3);
  background: rgba(255,255,255,0.1);
  padding: var(--kc-space-1) var(--kc-space-4);
  border-radius: var(--kc-radius-full);
}

.kc-mid-cta h3 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h3);
  font-weight: 700;
  color: #fff;
  margin: 0 auto var(--kc-space-3);
  max-width: 480px;
  line-height: var(--kc-leading-snug);
}

.kc-mid-cta p {
  font-size: var(--kc-text-small);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--kc-space-6);
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--kc-leading-relaxed);
}

.kc-mid-cta .kc-mid-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-2);
  padding: var(--kc-space-3) var(--kc-space-8);
  background: #fff;
  color: var(--kc-primary);
  font-size: var(--kc-text-small);
  font-weight: 600;
  border-radius: var(--kc-radius-full);
  text-decoration: none;
  transition: all var(--kc-transition);
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.kc-mid-cta .kc-mid-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.kc-faq-section {
  margin: var(--kc-space-12) 0;
}

.kc-faq-section .kc-faq-header {
  margin-bottom: var(--kc-space-6);
}

.kc-faq-section .kc-faq-header h2 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h2);
  font-weight: 700;
  color: var(--kc-text);
  margin: 0 0 var(--kc-space-2);
}

.kc-faq-section .kc-faq-header p {
  font-size: var(--kc-text-small);
  color: var(--kc-text-muted);
  margin: 0;
}

.kc-faq-item {
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  margin-bottom: var(--kc-space-2);
  overflow: hidden;
  transition: box-shadow var(--kc-transition);
}

.kc-faq-item:focus-within {
  box-shadow: 0 0 0 3px var(--kc-primary-light);
  border-color: var(--kc-primary);
}

.kc-faq-item[open] {
  box-shadow: var(--kc-shadow-sm);
}

.kc-faq-item .kc-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--kc-space-4) var(--kc-space-6);
  background: var(--kc-bg);
  border: none;
  font-family: var(--kc-font);
  font-size: var(--kc-text-small);
  font-weight: 600;
  color: var(--kc-text);
  cursor: pointer;
  transition: background var(--kc-transition);
  text-align: left;
  gap: var(--kc-space-4);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.kc-faq-item .kc-faq-question::-webkit-details-marker {
  display: none;
}

.kc-faq-item .kc-faq-question:hover {
  background: var(--kc-bg-alt);
}

.kc-faq-item .kc-faq-question:focus-visible {
  outline: 2px solid var(--kc-primary);
  outline-offset: -2px;
}

.kc-faq-item .kc-faq-question .kc-faq-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--kc-bg-alt);
  color: var(--kc-text-muted);
  font-size: 0.75rem;
  transition: all var(--kc-transition-slow);
}

.kc-faq-item[open] .kc-faq-question .kc-faq-icon {
  transform: rotate(180deg);
  background: var(--kc-primary-light);
  color: var(--kc-primary);
}

.kc-faq-item .kc-faq-answer {
  padding: 0 var(--kc-space-6) var(--kc-space-5);
}

.kc-faq-item .kc-faq-answer p {
  font-size: var(--kc-text-small);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text-muted);
  margin: 0;
}

/* ============================================
   AUTHOR SECTION
   ============================================ */
.kc-author-section {
  display: flex;
  align-items: center;
  gap: var(--kc-space-6);
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-2xl);
  padding: var(--kc-space-8);
  margin: var(--kc-space-12) 0;
  box-shadow: var(--kc-shadow-sm);
  transition: box-shadow var(--kc-transition);
}

.kc-author-section:hover {
  box-shadow: var(--kc-shadow-md);
}

.kc-author-section .kc-author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--kc-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--kc-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kc-primary);
  border: 2px solid var(--kc-primary-light);
}

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

.kc-author-section .kc-author-body {
  flex: 1;
  min-width: 0;
}

.kc-author-section .kc-author-name {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h4);
  font-weight: 700;
  color: var(--kc-text);
  margin-bottom: var(--kc-space-1);
}

.kc-author-section .kc-author-bio {
  font-size: var(--kc-text-small);
  line-height: var(--kc-leading-relaxed);
  color: var(--kc-text-muted);
  margin-bottom: var(--kc-space-3);
}

.kc-author-section .kc-author-link {
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-1);
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: var(--kc-primary);
  text-decoration: none;
  transition: gap var(--kc-transition);
}

.kc-author-section .kc-author-link:hover {
  gap: var(--kc-space-2);
}

/* ============================================
   POST NAVIGATION
   ============================================ */
.kc-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--kc-space-4);
  margin: var(--kc-space-12) 0;
}

.kc-post-nav .kc-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--kc-space-1);
  padding: var(--kc-space-5) var(--kc-space-6);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  text-decoration: none;
  transition: all var(--kc-transition);
}

.kc-post-nav .kc-nav-link:hover {
  border-color: var(--kc-primary);
  box-shadow: var(--kc-shadow-sm);
}

.kc-post-nav .kc-nav-link.kc-nav-next {
  text-align: right;
}

.kc-post-nav .kc-nav-link.kc-nav-prev {
  text-align: left;
}

.kc-post-nav .kc-nav-label {
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: var(--kc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kc-post-nav .kc-nav-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-small);
  font-weight: 600;
  color: var(--kc-text);
  line-height: var(--kc-leading-snug);
  transition: color var(--kc-transition);
}

.kc-post-nav .kc-nav-link:hover .kc-nav-title {
  color: var(--kc-primary);
}

/* ============================================
   SHARE SECTION
   ============================================ */
.kc-share-section {
  margin: var(--kc-space-12) 0;
  padding-top: var(--kc-space-8);
  border-top: 1px solid var(--kc-border-light);
}

.kc-share-section .kc-share-label {
  font-size: var(--kc-text-small);
  font-weight: 600;
  color: var(--kc-text);
  margin-bottom: var(--kc-space-4);
}

.kc-share-section .kc-share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kc-space-2);
}

.kc-share-section .kc-share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-2);
  padding: var(--kc-space-2) var(--kc-space-4);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-full);
  font-size: var(--kc-text-xs);
  font-weight: 500;
  color: var(--kc-text-muted);
  text-decoration: none;
  transition: all var(--kc-transition);
  background: var(--kc-bg);
}

.kc-share-section .kc-share-btn:hover {
  border-color: var(--kc-primary);
  color: var(--kc-primary);
  background: var(--kc-primary-light);
  transform: translateY(-1px);
}

.kc-share-section .kc-share-btn i {
  font-size: 0.8125rem;
}

/* ============================================
   RELATED ARTICLES
   ============================================ */
.kc-related-section {
  padding: var(--kc-space-16) 0;
  background: var(--kc-bg-alt);
  border-top: 1px solid var(--kc-border-light);
}

.kc-related-section .kc-related-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h2);
  font-weight: 700;
  color: var(--kc-text);
  margin-bottom: var(--kc-space-8);
  text-align: center;
}

.kc-related-section .kc-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--kc-space-6);
}

.kc-related-section .kc-related-card {
  background: var(--kc-bg);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-xl);
  overflow: hidden;
  transition: all var(--kc-transition-slow);
  box-shadow: var(--kc-shadow-xs);
}

.kc-related-section .kc-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kc-shadow-lg);
}

.kc-related-section .kc-related-card .kc-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform var(--kc-transition-slow);
}

.kc-related-section .kc-related-card:hover .kc-card-img {
  transform: scale(1.03);
}

.kc-related-section .kc-related-card .kc-card-body {
  padding: var(--kc-space-5) var(--kc-space-6);
}

.kc-related-section .kc-related-card .kc-card-cat {
  display: inline-block;
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: var(--kc-primary);
  background: var(--kc-primary-light);
  padding: var(--kc-space-1) var(--kc-space-3);
  border-radius: var(--kc-radius-full);
  margin-bottom: var(--kc-space-3);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kc-related-section .kc-related-card .kc-card-title {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h4);
  font-weight: 600;
  line-height: var(--kc-leading-snug);
  color: var(--kc-text);
  margin-bottom: var(--kc-space-3);
  display: block;
  text-decoration: none;
  transition: color var(--kc-transition);
}

.kc-related-section .kc-related-card .kc-card-title:hover {
  color: var(--kc-primary);
}

.kc-related-section .kc-related-card .kc-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kc-related-section .kc-related-card .kc-card-footer .kc-card-time {
  font-size: var(--kc-text-xs);
  color: var(--kc-text-light);
}

.kc-related-section .kc-related-card .kc-card-footer .kc-card-link {
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: var(--kc-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--kc-space-1);
  transition: gap var(--kc-transition);
}

.kc-related-section .kc-related-card .kc-card-footer .kc-card-link:hover {
  gap: var(--kc-space-2);
}

/* ============================================
   NEWSLETTER
   ============================================ */
.kc-newsletter-section {
  padding: var(--kc-space-16) 0;
  background: var(--kc-bg);
}

.kc-newsletter-section .kc-newsletter-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.kc-newsletter-section .kc-newsletter-label {
  display: inline-block;
  font-size: var(--kc-text-xs);
  font-weight: 600;
  color: var(--kc-primary);
  background: var(--kc-primary-light);
  padding: var(--kc-space-1) var(--kc-space-4);
  border-radius: var(--kc-radius-full);
  margin-bottom: var(--kc-space-4);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kc-newsletter-section h2 {
  font-family: var(--kc-font-heading);
  font-size: var(--kc-text-h2);
  font-weight: 700;
  color: var(--kc-text);
  margin-bottom: var(--kc-space-3);
}

.kc-newsletter-section p {
  font-size: var(--kc-text-small);
  color: var(--kc-text-muted);
  line-height: var(--kc-leading-relaxed);
  margin-bottom: var(--kc-space-8);
}

.kc-newsletter-section .kc-newsletter-form {
  display: flex;
  gap: var(--kc-space-3);
  max-width: 480px;
  margin: 0 auto;
}

.kc-newsletter-section .kc-newsletter-form input {
  flex: 1;
  padding: var(--kc-space-3) var(--kc-space-5);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius-lg);
  font-family: var(--kc-font);
  font-size: var(--kc-text-small);
  color: var(--kc-text);
  background: var(--kc-bg);
  transition: border-color var(--kc-transition), box-shadow var(--kc-transition);
  outline: none;
}

.kc-newsletter-section .kc-newsletter-form input::placeholder {
  color: var(--kc-text-light);
}

.kc-newsletter-section .kc-newsletter-form input:focus {
  border-color: var(--kc-primary);
  box-shadow: 0 0 0 3px var(--kc-primary-light);
}

.kc-newsletter-section .kc-newsletter-form button {
  padding: var(--kc-space-3) var(--kc-space-6);
  background: var(--kc-primary);
  color: #fff;
  border: none;
  border-radius: var(--kc-radius-lg);
  font-family: var(--kc-font);
  font-size: var(--kc-text-small);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--kc-transition);
  white-space: nowrap;
}

.kc-newsletter-section .kc-newsletter-form button:hover {
  background: var(--kc-primary-dark);
  transform: translateY(-1px);
}

.kc-newsletter-section .kc-newsletter-form button:focus-visible {
  outline: 2px solid var(--kc-primary);
  outline-offset: 2px;
}

.kc-newsletter-section .kc-newsletter-note {
  font-size: var(--kc-text-xs);
  color: var(--kc-text-light);
  margin-top: var(--kc-space-4);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .kc-three-col-row {
    gap: 24px;
  }

  .kc-left-col {
    width: 25%;
  }

  .kc-center-col {
    width: 75%;
  }

  .kc-right-col {
    width: 100%;
    margin-top: 40px;
  }

  .kc-toc-sidebar {
    position: static;
  }

  .kc-mobile-toc {
    display: none;
  }

  .kc-article-body {
    max-width: 100%;
  }

  .kc-related-section .kc-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .kc-article-hero {
    padding: var(--kc-space-8) 0 var(--kc-space-6);
    margin-top: 50px;
  }

  .kc-article-hero .kc-article-title {
    font-size: calc(var(--kc-text-h1) * 0.85);
  }

  .kc-article-hero .kc-article-summary {
    font-size: var(--kc-text-body);
  }

  .kc-article-hero .kc-meta-row {
    gap: var(--kc-space-2);
  }

  .kc-article-hero .kc-meta-item {
    font-size: 0.8125rem;
  }

  .kc-featured-image-wrapper .kc-featured-image {
    max-height: none;
    border-radius: var(--kc-radius-lg);
  }

  .kc-blog-main-wrapper {
    padding: var(--kc-space-8) 0;
  }

  .kc-left-col {
    display: none;
  }

  .kc-center-col {
    width: 100%;
  }

  .kc-right-col {
    width: 100%;
    margin-top: 30px;
  }

  .kc-mobile-toc {
    display: block;
  }

  .kc-article-body h2 {
    font-size: calc(var(--kc-text-h2) * 0.9);
    margin-top: var(--kc-space-12);
  }

  .kc-article-body h3 {
    font-size: calc(var(--kc-text-h3) * 0.95);
  }

  .kc-article-body p,
  .kc-article-body li {
    font-size: 1rem;
  }

  .kc-insight,
  .kc-tip,
  .kc-warning {
    padding: var(--kc-space-5);
  }

  .kc-stat-card {
    padding: var(--kc-space-6);
  }

  .kc-stat-card .kc-stat-number {
    font-size: 2rem;
  }

  .kc-summary {
    padding: var(--kc-space-5);
  }

  .kc-mid-cta {
    padding: var(--kc-space-8) var(--kc-space-6);
  }

  .kc-mid-cta h3 {
    font-size: var(--kc-text-h3);
  }

  .kc-author-section {
    flex-direction: column;
    text-align: center;
    padding: var(--kc-space-6);
  }

  .kc-post-nav {
    grid-template-columns: 1fr;
  }

  .kc-related-section {
    padding: var(--kc-space-12) 0;
  }

  .kc-related-section .kc-related-title {
    font-size: calc(var(--kc-text-h2) * 0.9);
  }

  .kc-related-section .kc-related-grid {
    grid-template-columns: 1fr;
    gap: var(--kc-space-4);
  }

  .kc-related-section .kc-related-card .kc-card-img {
    height: 180px;
  }

  .kc-newsletter-section {
    padding: var(--kc-space-12) 0;
  }

  .kc-newsletter-section .kc-newsletter-form {
    flex-direction: column;
    gap: var(--kc-space-3);
  }

  .kc-newsletter-section .kc-newsletter-form input {
    text-align: center;
  }
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.kc-fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.kc-fade-in.kc-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section spacing for consistency */
.kc-related-section + *,
.kc-newsletter-section + *,
section + section {
  margin-top: 0;
}

/* ============================================
   FOLLOW US SOCIAL ICONS (Footer)
   ============================================ */
.kc-follow-social {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.kc-follow-social a.kc-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f0f2f5;
  color: #475569;
  font-size: 18px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.kc-follow-social a.kc-social-icon:hover {
  background: var(--kc-primary, #0D98FE);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ============================================
   FOOTER LINKS (replaces ElementsKit page-list)
   ============================================ */
.kc-footer-links {
  display: flex;
  flex-direction: column;
}

.kc-footer-links + .kc-footer-links {
  margin-left: 40px;
}

.kc-footer-links a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  transition: color 0.2s ease;
  cursor: pointer;
}

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

/* Small Mobile */
@media (max-width: 480px) {
  .kc-article-hero {
    padding: var(--kc-space-6) 0 var(--kc-space-4);
  }

  .kc-article-hero .kc-article-title {
    font-size: 1.5rem;
  }

  .kc-mid-cta {
    padding: var(--kc-space-6) var(--kc-space-4);
    border-radius: var(--kc-radius-xl);
  }

  .kc-related-section .kc-related-card .kc-card-img {
    height: 160px;
  }
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   Premium Multi-Purpose Contact Widget
   ============================================ */

.kc-floating-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.kc-wa-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: #25D366;
  color: #fff;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease,
              background 0.25s ease;
  outline: none;
}

.kc-wa-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  background: #20bd5a;
  color: #fff;
}

.kc-wa-button:focus-visible {
  outline: 3px solid var(--kc-primary, #0D98FE);
  outline-offset: 3px;
}

.kc-wa-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
}

.kc-wa-icon i {
  display: block;
}

.kc-wa-text {
  white-space: nowrap;
}

/* ---------- Pulse Animation ---------- */

.kc-floating-wa {
  animation: kc-wa-pulse 3s ease-in-out infinite;
}

@keyframes kc-wa-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
  }
}

/* ---------- Mobile ---------- */

@media (max-width: 768px) {
  .kc-floating-wa {
    bottom: 16px;
    right: 16px;
  }

  .kc-wa-button {
    padding: 12px 18px;
    font-size: 14px;
    gap: 8px;
  }

  .kc-wa-icon {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .kc-floating-wa {
    bottom: 16px;
    right: 16px;
  }

  .kc-wa-button {
    padding: 10px 16px;
    font-size: 13px;
    gap: 7px;
    box-shadow: 0 3px 12px rgba(37, 211, 102, 0.35);
  }

  .kc-wa-icon {
    font-size: 18px;
  }
}

/* ============================================
   CATEGORY ARCHIVE PAGE VISIBILITY FIX
   Ensures all sections visible at any zoom
   ============================================ */

/* Fix widget-area sticky positioning for all zoom levels */
.blog-details-area .widget-area {
  position: relative !important;
  top: auto !important;
}

/* Ensure the sidebar column is always visible */
.blog-details-area .col-lg-4 {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Ensure all sidebar widgets are visible */
.widget-area .kc-sidebar-widget {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  overflow: visible;
}

/* Fix blog content column visibility */
.blog-details-area .col-lg-8 {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Ensure blog description content is visible */
.blog-details-area .blog-description {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  overflow: visible;
}

/* Fix article items visibility */
.blog-details-area .item-single {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Ensure social links (Follow Us) are always visible */
.widget-area .kc-social-links {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Fix row container to not clip content */
.blog-details-area .row {
  overflow: visible !important;
}

/* Fix container overflow */
.blog-details-area .container {
  overflow: visible !important;
}

/* Prevent any transform issues at different zoom levels */
.blog-details-area,
.blog-details-area .row,
.blog-details-area .col-lg-8,
.blog-details-area .col-lg-4,
.widget-area {
  transform: none !important;
  backface-visibility: visible !important;
}

/* Large screen specific fixes (zoom out scenario) */
@media (min-width: 1400px) {
  .blog-details-area .widget-area {
    position: relative !important;
    top: auto !important;
  }
  
  .blog-details-area .row {
    flex-wrap: nowrap;
  }
  
  .blog-details-area .col-lg-8,
  .blog-details-area .col-lg-4 {
    flex-shrink: 0;
  }
}

/* Extra large screens (very zoomed out) */
@media (min-width: 1920px) {
  .blog-details-area .container {
    max-width: 1400px;
    margin: 0 auto;
  }
}