/* Trimmed: legacy home/category/single layouts removed — see blog-archive.css, language-page.css, blog-single.css */

/**
 * LATINGLES BLOG DESIGN SYSTEM & STYLESHEET
 * All selectors namespaced with .ltb- prefix for WordPress theme compatibility.
 * Flat, modern, crisp editorial aesthetic (No shadows, no floating transforms).
 */

/* ==========================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ========================================================================== */
:root {
  /* Brand Core Colors — match frontpage Moodle blue */
  --ltb-primary: #004AAD;
  --ltb-primary-hover: #003888;
  --ltb-primary-light: #E8F1FA;

  --ltb-cta: #FF4A22;
  --ltb-cta-hover: #E03813;
  --ltb-cta-light: #FFF1EE;

  /* Dark Midnight Navy */
  --ltb-navy-dark: #0A1128;
  --ltb-navy-surface: #131C38;
  --ltb-navy-light: #1E294B;
  --ltb-navy-border: rgba(255, 255, 255, 0.12);

  /* Neutrals & Text */
  --ltb-text-primary: #0F172A;
  --ltb-text-secondary: #4B5563;
  --ltb-text-muted: #94A3B8;
  --ltb-text-light: #F8FAFC;
  --ltb-text-white: #FFFFFF;

  /* Surfaces & Backgrounds */
  --ltb-bg-page: #FFFFFF;
  --ltb-bg-subtle: #F8FAFC;
  --ltb-bg-tint-blue: #E8F1FA;
  --ltb-bg-tint-lavender: #E8F1FA;
  --ltb-bg-tint-pink: #FFF0F3;
  --ltb-bg-card: #FFFFFF;

  /* Crisp Borders */
  --ltb-border-color: #E2E8F0;
  --ltb-border-subtle: #F1F5F9;
  --ltb-border-dark: #CBD5E1;

  /* Category Badges */
  --ltb-badge-speaking: #EF4444;
  --ltb-badge-speaking-bg: #FEF2F2;
  --ltb-badge-grammar: #8B5CF6;
  --ltb-badge-grammar-bg: #F5F3FF;
  --ltb-badge-business: #10B981;
  --ltb-badge-business-bg: #ECFDF5;
  --ltb-badge-vocab: #06B6D4;
  --ltb-badge-vocab-bg: #ECFEFF;
  --ltb-badge-culture: #F59E0B;
  --ltb-badge-culture-bg: #FFFBEB;
  --ltb-badge-stories: #EC4899;
  --ltb-badge-stories-bg: #FDF2F8;

  /* Typography */
  --ltb-font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Border Radii */
  --ltb-radius-sm: 8px;
  --ltb-radius-md: 14px;
  --ltb-radius-lg: 20px;
  --ltb-radius-xl: 28px;
  --ltb-radius-pill: 9999px;

  /* Container */
  --ltb-container-width: 1500px;
  --ltb-container-padding: 24px;
  --ltb-transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* ==========================================================================
   2. RESET & BASE ELEMENTS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ltb-font-main);
  background-color: var(--ltb-bg-page);
  color: var(--ltb-text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--ltb-transition);
}

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   3. LAYOUT & UTILITIES
   ========================================================================== */
.ltb-container {
  width: 100%;
  max-width: var(--ltb-container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--ltb-container-padding);
  padding-right: var(--ltb-container-padding);
}

.ltb-highlight-blue {
  color: var(--ltb-primary);
  font-weight: inherit;
}

.ltb-highlight-coral {
  color: var(--ltb-cta);
  font-weight: inherit;
}

/* Grid Layouts */
.ltb-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.ltb-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ltb-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Section Header */
.ltb-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.ltb-section-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ltb-see-all {
  font-size: 14px;
  font-weight: 500;
  color: var(--ltb-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--ltb-radius-pill);
  background: var(--ltb-primary-light);
  border: 1px solid rgba(0, 74, 173, 0.15);
  transition: var(--ltb-transition);
}

.ltb-see-all:hover {
  background: var(--ltb-primary);
  color: var(--ltb-text-white);
  border-color: var(--ltb-primary);
}

.ltb-see-all svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ==========================================================================
   4. BUTTONS (DESIGN GUIDELINES: BLACK STROKE ON FILLED, RED STROKE SECONDARY)
   ========================================================================== */
.ltb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--ltb-radius-pill);
  transition: var(--ltb-transition);
  white-space: nowrap;
  border: 1.5px solid #0F172A;
  cursor: pointer;
}

/* Primary CTA Button (Coral Filled with Black Stroke) */
.ltb-btn-cta {
  background-color: var(--ltb-cta);
  color: var(--ltb-text-white);
  border: 1.5px solid #0F172A;
}

.ltb-btn-cta:hover {
  background-color: var(--ltb-cta-hover);
  border-color: #0F172A;
  color: var(--ltb-text-white);
}

/* Primary Brand Blue Button (Filled with Black Stroke) */
.ltb-btn-primary {
  background-color: var(--ltb-primary);
  color: var(--ltb-text-white);
  border: 1.5px solid #0F172A;
}

.ltb-btn-primary:hover {
  background-color: var(--ltb-primary-hover);
  border-color: #0F172A;
  color: var(--ltb-text-white);
}

/* Secondary Button (Not filled: Red/Coral Stroke + Red/Coral Text) */
.ltb-btn-secondary,
.ltb-btn-outline {
  background: transparent;
  border: 1.5px solid var(--ltb-cta);
  color: var(--ltb-cta);
}

.ltb-btn-secondary:hover,
.ltb-btn-outline:hover {
  background: var(--ltb-cta-light);
  border-color: var(--ltb-cta);
  color: var(--ltb-cta-hover);
}

/* Secondary Button (Neutral Black Outline) */
.ltb-btn-outline-dark {
  background: transparent;
  border: 1.5px solid #0F172A;
  color: #0F172A;
}

.ltb-btn-outline-dark:hover {
  background: var(--ltb-bg-subtle);
  border-color: #0F172A;
}

/* Secondary Outline Button (Dark Surface) */
.ltb-btn-outline-white {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: var(--ltb-text-white);
}

.ltb-btn-outline-white:hover {
  border-color: var(--ltb-text-white);
  background: rgba(255, 255, 255, 0.12);
}

.ltb-btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.ltb-btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ==========================================================================
   5. STICKY HEADER & NAVBAR
   ========================================================================== */
.ltb-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #FFFFFF;
  border-bottom: 1px solid var(--ltb-border-color);
  transition: var(--ltb-transition);
}

.ltb-header--static {
  position: relative;
  top: auto;
}

.ltb-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  height: auto;
  box-sizing: border-box;
  padding-top: 10px;
  padding-bottom: 10px;
}

.ltb-nav-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  margin-left: auto;
}

.ltb-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ltb-brand .custom-logo-link {
  display: flex;
  align-items: center;
}

.ltb-brand .custom-logo {
  display: block;
  height: var(--ltb-logo-height, 36px);
  width: auto;
  max-width: var(--ltb-logo-max-width, 200px);
}

.ltb-footer .ltb-brand .custom-logo {
  height: var(--ltb-footer-logo-height, 36px);
  max-width: var(--ltb-logo-max-width, 200px);
  filter: brightness(0) invert(1);
}

/* Brand Logo */
.ltb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ltb-text-primary);
  letter-spacing: -0.03em;
}

.ltb-logo__icon {
  width: var(--ltb-logo-height, 34px);
  height: var(--ltb-logo-height, 34px);
  border-radius: 10px;
  background: var(--ltb-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: calc(var(--ltb-logo-height, 34px) * 0.53);
}

.ltb-footer .ltb-logo__icon {
  width: var(--ltb-footer-logo-height, 34px);
  height: var(--ltb-footer-logo-height, 34px);
  font-size: calc(var(--ltb-footer-logo-height, 34px) * 0.53);
}

.ltb-logo__badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--ltb-cta-light);
  color: var(--ltb-cta);
  padding: 2px 8px;
  border-radius: var(--ltb-radius-pill);
  margin-left: 2px;
  border: 1px solid rgba(255, 74, 34, 0.2);
}

/* WordPress Primary Navigation & Dropdown Sub-menus */
.ltb-nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ltb-nav-menu li {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ltb-nav-menu a,
.ltb-nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  position: relative;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.15s ease;
  text-decoration: none;
}

.ltb-nav-menu a:hover,
.ltb-nav-link:hover,
.ltb-nav-menu li.current-menu-item > a,
.ltb-nav-menu li.current_page_item > a,
.ltb-nav-menu li.current-category-ancestor > a,
.ltb-nav-link.active {
  color: var(--ltb-primary);
}

.ltb-nav-menu li.current-menu-item > a::after,
.ltb-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  background: var(--ltb-primary);
  border-radius: var(--ltb-radius-pill);
}

/* Submenu Arrow Indicator */
.ltb-nav-menu .menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  margin-left: 2px;
  transition: transform 0.2s ease;
}

.ltb-nav-menu .menu-item-has-children:hover > a::after {
  transform: rotate(-135deg);
  margin-top: 3px;
}

/* Dropdown Sub-menu Container (Clean Flat Border, Zero Shadows) */
.ltb-nav-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #FFFFFF;
  border: 1.5px solid #0F172A;
  border-radius: var(--ltb-radius-md);
  padding: 8px 0;
  margin: 8px 0 0 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease 0.45s, visibility 0s linear 0.6s;
  z-index: 1000;
}

.ltb-nav-menu > li > .sub-menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 12px;
}

.ltb-nav-menu li:hover > .sub-menu,
.ltb-nav-menu li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.ltb-nav-menu .sub-menu li {
  width: 100%;
}

.ltb-nav-menu .sub-menu a {
  display: block;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  width: 100%;
  box-sizing: border-box;
  transition: background 0.15s ease, color 0.15s ease;
}

.ltb-nav-menu .sub-menu a:hover,
.ltb-nav-menu .sub-menu li.current-menu-item > a {
  background: var(--ltb-primary-light);
  color: var(--ltb-primary);
}

.ltb-nav-menu .sub-menu a::after {
  display: none !important;
}

/* Secondary Nested Sub-menu */
.ltb-nav-menu .sub-menu .sub-menu {
  top: 0;
  left: 100%;
  margin-left: 4px;
  margin-top: -8px;
}

/* Header Actions */
.ltb-header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ltb-search-trigger {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ltb-bg-subtle);
  border: 1px solid var(--ltb-border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ltb-text-secondary);
}

.ltb-search-trigger:hover {
  background: var(--ltb-primary-light);
  color: var(--ltb-primary);
  border-color: var(--ltb-primary);
}

.ltb-hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  position: relative;
  z-index: 1200;
  background: transparent;
  border: 0;
  padding: 0;
}

.ltb-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ltb-text-primary);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ltb-hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.ltb-hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.ltb-hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.ltb-sub-toggle {
  display: none;
}

/* ==========================================================================
   9. CATEGORY POSTS GRID (STANDARD 3-COLUMN CARD)
   ========================================================================== */
.ltb-category-section {
  padding: 40px 0;
  border-top: 1px solid var(--ltb-border-subtle);
}

.ltb-post-card {
  background: var(--ltb-bg-card);
  border-radius: var(--ltb-radius-md);
  border: 1px solid var(--ltb-border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--ltb-transition);
}

.ltb-post-card:hover {
  border-color: var(--ltb-primary);
}

.ltb-post-card__thumb-link {
  display: block;
  position: relative;
  width: 100%;
  padding-top: 60%; /* 5:3 Aspect ratio */
  overflow: hidden;
  background: #f8fafc;
  border-bottom: 1px solid var(--ltb-border-subtle);
}

.ltb-post-card__thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ltb-post-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.ltb-post-card__badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.ltb-post-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  line-height: 1.35;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.ltb-post-card:hover .ltb-post-card__title {
  color: var(--ltb-primary);
}

.ltb-post-card__excerpt {
  font-size: 13.5px;
  color: var(--ltb-text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ltb-post-card__meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--ltb-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ltb-text-muted);
}

/* Category Badge Variants */
.badge-speaking {
  color: var(--ltb-badge-speaking);
  background: var(--ltb-badge-speaking-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.badge-grammar {
  color: var(--ltb-badge-grammar);
  background: var(--ltb-badge-grammar-bg);
  border: 1px solid rgba(139, 92, 246, 0.2);
}
.badge-business {
  color: var(--ltb-badge-business);
  background: var(--ltb-badge-business-bg);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-vocab {
  color: var(--ltb-badge-vocab);
  background: var(--ltb-badge-vocab-bg);
  border: 1px solid rgba(6, 182, 212, 0.2);
}
.badge-culture {
  color: var(--ltb-badge-culture);
  background: var(--ltb-badge-culture-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-stories {
  color: var(--ltb-badge-stories);
  background: var(--ltb-badge-stories-bg);
  border: 1px solid rgba(236, 72, 153, 0.2);
}
.ltb-ebook-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
}

.ltb-ebook-input {
  flex-grow: 1;
  padding: 14px 20px;
  border-radius: var(--ltb-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  outline: none;
}

.ltb-ebook-input::placeholder {
  color: #94A3B8;
}

.ltb-ebook-input:focus {
  border-color: var(--ltb-cta);
  background: rgba(255, 255, 255, 0.12);
}
   16. SEARCH MODAL POPUP
   ========================================================================== */
.ltb-search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 17, 40, 0.7);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 100px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.ltb-search-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.ltb-search-dialog {
  width: 100%;
  max-width: 640px;
  background: #FFFFFF;
  border-radius: var(--ltb-radius-lg);
  border: 1px solid var(--ltb-border-color);
  padding: 24px;
}

.ltb-search-input-group {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 2px solid var(--ltb-border-color);
  padding-bottom: 12px;
}

.ltb-search-input {
  flex-grow: 1;
  border: none;
  font-family: inherit;
  font-size: 18px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  outline: none;
}

.ltb-search-quick-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.ltb-quick-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  background: var(--ltb-bg-subtle);
  border-radius: var(--ltb-radius-sm);
  color: var(--ltb-text-secondary);
  border: 1px solid var(--ltb-border-color);
}

.ltb-quick-tag:hover {
  border-color: var(--ltb-primary);
  color: var(--ltb-primary);
}

.ltb-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ltb-text-muted);
  margin-bottom: 12px;
}

.ltb-breadcrumb a {
  color: var(--ltb-text-secondary);
}

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

.ltb-breadcrumb-separator {
  color: var(--ltb-border-color);
  font-size: 11px;
}

.ltb-category-hero {
  padding: 40px 0 24px;
  background: #FFFFFF;
}

.ltb-category-hero__title {
  font-size: 48px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.ltb-category-hero__desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ltb-text-secondary);
  max-width: 640px;
  margin-bottom: 8px;
}

.ltb-subcategory-pills {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: none;
}

.ltb-subcategory-pills::-webkit-scrollbar {
  display: none;
}

.ltb-subcat-pill {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--ltb-radius-pill);
  background: var(--ltb-bg-subtle);
  color: var(--ltb-text-secondary);
  border: 1px solid var(--ltb-border-color);
  white-space: nowrap;
  transition: var(--ltb-transition);
}

.ltb-subcat-pill:hover,
.ltb-subcat-pill.active {
  background: var(--ltb-primary-light);
  color: var(--ltb-primary);
  border-color: var(--ltb-primary);
}

/* ==========================================================================
   Simple Category Archive & Pagination
   ========================================================================== */
.ltb-category-archive-posts {
  padding: 24px 0 60px;
}

.ltb-category-empty-state {
  padding: 60px 0;
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.ltb-pagination {
  margin: 48px auto 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.ltb-pagination .nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.ltb-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--ltb-radius-pill);
  background: #ffffff;
  color: var(--ltb-text-secondary);
  border: 1px solid var(--ltb-border-color);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--ltb-transition);
}

.ltb-pagination .page-numbers:hover {
  background: var(--ltb-primary-light);
  color: var(--ltb-primary);
  border-color: var(--ltb-primary);
  transform: translateY(-1px);
}

.ltb-pagination .page-numbers.current {
  background: var(--ltb-primary);
  color: #ffffff;
  border-color: var(--ltb-primary);
  box-shadow: 0 4px 12px rgba(0, 74, 173, 0.2);
}

.ltb-pagination .page-numbers.dots {
  background: transparent;
  border-color: transparent;
  color: var(--ltb-text-muted);
  cursor: default;
}

.ltb-pagination .page-numbers.dots:hover {
  background: transparent;
  border-color: transparent;
  color: var(--ltb-text-muted);
  transform: none;
}

.ltb-pagination .prev.page-numbers,
.ltb-pagination .next.page-numbers {
  font-size: 13px;
  font-weight: 600;
  gap: 6px;
}

.ltb-pagination .prev.page-numbers svg,
.ltb-pagination .next.page-numbers svg {
  display: inline-block;
  vertical-align: middle;
}

/* Cluster Sub-Sections */
.ltb-cluster-section {
  padding: 36px 0;
  border-top: 1px solid var(--ltb-border-subtle);
}

.ltb-cluster-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.ltb-cluster-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.02em;
}

/* Back to Top Floating Button */
.ltb-back-to-top {
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid var(--ltb-border-color);
  color: var(--ltb-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--ltb-transition);
  z-index: 998;
}

.ltb-back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.ltb-back-to-top:hover {
  background: var(--ltb-primary);
  color: #FFFFFF;
  border-color: var(--ltb-primary);
}
/* ==========================================================================
   20. SEARCH RESULTS PAGE & CORPORATE BANNER STYLES
   ========================================================================== */
.ltb-search-page-header {
  padding: 40px 0 24px;
  background: #FFFFFF;
}

.ltb-search-page-title {
  font-size: 46px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 10px 0 20px;
}

.ltb-search-filter-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--ltb-border-subtle);
  padding-bottom: 12px;
  margin-bottom: 32px;
}

.ltb-search-tab {
  font-size: 14px;
  font-weight: 500;
  color: var(--ltb-text-secondary);
  padding: 6px 14px;
  border-radius: var(--ltb-radius-pill);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--ltb-transition);
}

.ltb-search-tab:hover {
  color: var(--ltb-primary);
  background: var(--ltb-primary-light);
}

.ltb-search-tab.active {
  color: var(--ltb-primary);
  background: var(--ltb-primary-light);
  border-color: var(--ltb-primary);
}

/* Corporate Language Training Banner (Dark Navy with Tutor Stack) */
.ltb-corporate-banner {
  background: var(--ltb-navy-dark);
  border: 1.5px solid #0F172A;
  border-radius: var(--ltb-radius-xl);
  padding: 48px 56px;
  margin: 50px 0 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.ltb-corporate-banner__left {
  max-width: 520px;
}

.ltb-corporate-banner__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #94A3B8;
  margin-bottom: 14px;
}

.ltb-corporate-banner__brand strong {
  color: #FFFFFF;
  font-size: 16px;
}

.ltb-corporate-banner__brand span {
  color: var(--ltb-cta);
  font-size: 11px;
  text-transform: uppercase;
  background: rgba(255, 74, 34, 0.2);
  padding: 2px 8px;
  border-radius: var(--ltb-radius-pill);
  border: 1px solid rgba(255, 74, 34, 0.4);
}

.ltb-corporate-banner__title {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.25;
  color: #FFFFFF;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.ltb-corporate-banner__text {
  font-size: 15px;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 28px;
}

.ltb-corporate-banner__right {
  flex-shrink: 0;
  width: 360px;
}

.ltb-tutor-profile-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ltb-tutor-profile-card {
  background: #FFFFFF;
  border: 1px solid var(--ltb-border-color);
  border-radius: var(--ltb-radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ltb-text-primary);
}

.ltb-tutor-profile-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--ltb-border-color);
  flex-shrink: 0;
}

.ltb-tutor-profile-details {
  flex-grow: 1;
}

.ltb-tutor-profile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.ltb-tutor-profile-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ltb-text-primary);
}

.ltb-tutor-profile-rating {
  font-size: 11px;
  font-weight: 700;
  color: var(--ltb-cta);
}

.ltb-tutor-profile-role {
  font-size: 11.5px;
  color: var(--ltb-text-secondary);
  line-height: 1.3;
}

.ltb-tutor-profile-lang {
  font-size: 11px;
  color: var(--ltb-text-muted);
  margin-top: 2px;
}

/* ==========================================================================
   21. AUTHOR POSTS PAGE STYLES
   ========================================================================== */
.ltb-author-hero {
  padding: 50px 0 36px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--ltb-border-subtle);
}

.ltb-author-profile {
  display: flex;
  align-items: flex-start;
  gap: 36px;
  max-width: 980px;
}

.ltb-author-avatar-lg {
  width: 120px;
  height: 120px;
  border-radius: var(--ltb-radius-lg);
  object-fit: cover;
  border: 1.5px solid var(--ltb-border-color);
  flex-shrink: 0;
}

.ltb-author-info-lg {
  flex-grow: 1;
}

.ltb-author-name-lg {
  font-size: 38px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.ltb-author-credentials {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.ltb-author-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--ltb-radius-pill);
  background: var(--ltb-primary-light);
  color: var(--ltb-primary);
  border: 1px solid rgba(0, 74, 173, 0.2);
}

.ltb-author-badge.badge-coral {
  background: var(--ltb-cta-light);
  color: var(--ltb-cta);
  border-color: rgba(255, 74, 34, 0.2);
}

.ltb-author-bio-lg {
  font-size: 15.5px;
  color: var(--ltb-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.ltb-author-socials {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.ltb-author-social-link {
  font-size: 12px;
  font-weight: 700;
  color: var(--ltb-text-primary);
  padding: 4px 12px;
  border-radius: var(--ltb-radius-pill);
  border: 1px solid var(--ltb-border-color);
  background: var(--ltb-bg-subtle);
  transition: var(--ltb-transition);
}

.ltb-author-social-link:hover {
  border-color: var(--ltb-primary);
  color: var(--ltb-primary);
  background: #FFFFFF;
}

.ltb-author-count-header {
  padding: 40px 0 24px;
}

.ltb-author-count-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ltb-text-primary);
  letter-spacing: -0.02em;
}

/* ==========================================================================
   22. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1080px) {
  .ltb-author-profile {
    gap: 28px;
  }
  .ltb-single-layout {
    grid-template-columns: 240px 1fr;
    gap: 36px;
  }
  .ltb-corporate-banner {
    flex-direction: column;
    padding: 40px 32px;
  }
  .ltb-corporate-banner__right {
    width: 100%;
  }
  .ltb-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .ltb-footer-top {
    grid-template-columns: repeat(3, 1fr);
  }
  .ltb-footer-brand {
    grid-column: span 3;
  }
}

@media (max-width: 860px) {
  .ltb-nav-container {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: #FFFFFF;
    border-bottom: 1px solid var(--ltb-border-color);
    z-index: 1001;
    max-height: min(70vh, 520px);
    overflow-y: auto;
  }

  body.ltb-nav-open .ltb-nav-container {
    display: block;
  }

  .ltb-nav-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 16px;
  }

  .ltb-nav-menu > li {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    border-bottom: 1px solid var(--ltb-border-subtle);
  }

  .ltb-nav-menu > li > a {
    flex: 1;
    display: block;
    padding: 14px 0;
    min-width: 0;
  }

  .ltb-nav-menu li.current-menu-item > a::after,
  .ltb-nav-menu .menu-item-has-children > a::after {
    display: none !important;
  }

  .ltb-sub-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    margin-right: -8px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    color: var(--ltb-text-primary);
  }

  .ltb-sub-toggle::before {
    content: '';
    display: block;
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -3px;
    transition: transform 0.2s ease;
  }

  .menu-item-has-children.is-open > .ltb-sub-toggle::before {
    transform: rotate(-135deg);
    margin-top: 3px;
  }

  .ltb-nav-menu .sub-menu {
    display: none;
    position: static;
    flex-basis: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    min-width: 0;
    width: 100%;
    border: 0;
    border-radius: 0;
    padding: 0 0 10px 12px;
    margin: 0;
    background: transparent;
    transition: none;
  }

  .ltb-nav-menu > li > .sub-menu::before {
    display: none;
  }

  .ltb-nav-menu .menu-item-has-children.is-open > .sub-menu {
    display: block;
  }

  .ltb-nav-menu .sub-menu a {
    padding: 8px 0;
    font-size: 14px;
    font-weight: 600;
  }

  .ltb-hamburger {
    display: flex;
  }

  .ltb-single-layout {
    grid-template-columns: 1fr;
  }

  .ltb-single-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .ltb-sidebar {
    display: none;
  }

  .ltb-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .ltb-grid-2 {
    grid-template-columns: 1fr;
  }
  .ltb-dual-interstitial {
    grid-template-columns: 1fr;
  }
  .ltb-spotlight-card {
    flex-direction: row;
    align-items: center;
    padding: 16px;
    gap: 14px;
  }

  .ltb-spotlight-card__visual {
    width: 72px;
    height: 72px;
  }

  .ltb-spotlight-card__title {
    font-size: 15px;
    margin-bottom: 10px;
  }
  .ltb-interstitial-banner {
    flex-direction: column;
    padding: 32px 24px;
    text-align: center;
  }
  .ltb-interstitial-banner__actions {
    justify-content: center;
  }
  .ltb-calculator-banner {
    flex-direction: column;
  }
  .ltb-calculator-widget {
    min-width: 100%;
  }
  .ltb-ebook-banner {
    flex-direction: column;
    padding: 40px 24px;
    text-align: center;
  }
  .ltb-ebook-form {
    flex-direction: column;
    width: 100%;
  }
  .ltb-author-profile {
    flex-direction: column;
  }
  .ltb-article-meta-bar {
    flex-wrap: wrap;
    gap: 10px 16px;
  }
  .ltb-share-buttons {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  :root {
    --ltb-container-padding: 16px;
  }

  .ltb-single-container {
    padding-top: 24px;
    padding-bottom: 48px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .ltb-article-header .ltb-breadcrumb span:last-child,
  .ltb-article-header .ltb-breadcrumb .ltb-breadcrumb-separator:last-of-type {
    display: none;
  }

  .ltb-article-featured-img {
    margin-bottom: 24px;
  }

  .ltb-grid-3, .ltb-grid-4 {
    grid-template-columns: 1fr;
  }
  .ltb-hero__title,
  .ltb-category-hero__title,
  .ltb-article-title,
  .ltb-search-page-title,
  .ltb-author-count-title {
    font-size: 28px;
  }
  .ltb-post-nav {
    grid-template-columns: 1fr;
  }
  .ltb-author-bio-card {
    flex-direction: column;
    padding: 20px;
  }
  .ltb-footer-top {
    grid-template-columns: 1fr;
  }
  .ltb-footer-brand {
    grid-column: span 1;
  }
  .ltb-footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .ltb-footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }
  .ltb-header .ltb-btn-cta {
    padding: 8px 12px;
    font-size: 12px;
  }
  .ltb-brand .custom-logo {
    max-width: 140px;
    height: auto;
    max-height: 32px;
  }
  .ltb-search-modal {
    padding: 80px 16px 16px;
  }
}

/* Mobile: card rows become a 75/25 peek carousel */
@media (max-width: 860px) {
  .ltb-featured-section .ltb-grid-2,
  .ltb-spotlight-section .ltb-grid-2,
  .ltb-cluster-section .ltb-grid-2,
  .ltb-category-section .ltb-grid-3,
  .ltb-stories-section .ltb-grid-4,
  .ltb-cluster-section .ltb-grid-3,
  .ltb-search-row .ltb-grid-3 {
    display: flex;
    align-items: stretch;
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .ltb-featured-section .ltb-grid-2::-webkit-scrollbar,
  .ltb-spotlight-section .ltb-grid-2::-webkit-scrollbar,
  .ltb-cluster-section .ltb-grid-2::-webkit-scrollbar,
  .ltb-category-section .ltb-grid-3::-webkit-scrollbar,
  .ltb-stories-section .ltb-grid-4::-webkit-scrollbar,
  .ltb-cluster-section .ltb-grid-3::-webkit-scrollbar,
  .ltb-search-row .ltb-grid-3::-webkit-scrollbar {
    display: none;
  }

  .ltb-featured-section .ltb-grid-2 > *,
  .ltb-spotlight-section .ltb-grid-2 > *,
  .ltb-cluster-section .ltb-grid-2 > *,
  .ltb-category-section .ltb-grid-3 > *,
  .ltb-stories-section .ltb-grid-4 > *,
  .ltb-cluster-section .ltb-grid-3 > *,
  .ltb-search-row .ltb-grid-3 > * {
    flex: 0 0 75%;
    width: 75%;
    max-width: 75%;
    min-width: 0;
    height: auto;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .ltb-hero-card__content {
    padding: 12px 14px 14px;
  }

  .ltb-hero-card__title {
    font-size: 16px;
    -webkit-line-clamp: 2;
    margin-bottom: 6px;
  }

  .ltb-hero-card__excerpt {
    font-size: 13px;
    -webkit-line-clamp: 2;
    margin-bottom: 8px;
  }

  .ltb-hero-card__meta {
    padding-top: 8px;
  }
}

@media (max-width: 860px) {
  .ltb-search-filter-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    gap: 8px;
  }

  .ltb-search-filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .ltb-search-tab {
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  :root {
    --ltb-container-padding: 16px;
  }

  .ltb-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .ltb-featured-section .ltb-grid-2 > *,
  .ltb-spotlight-section .ltb-grid-2 > *,
  .ltb-cluster-section .ltb-grid-2 > *,
  .ltb-category-section .ltb-grid-3 > *,
  .ltb-stories-section .ltb-grid-4 > *,
  .ltb-cluster-section .ltb-grid-3 > *,
  .ltb-search-row .ltb-grid-3 > * {
    flex: 0 0 85%;
    width: 85%;
    max-width: 85%;
  }

  .ltb-hero-card__media {
    aspect-ratio: 16/10;
    height: auto;
    min-height: 180px;
  }

  .ltb-ebook-form {
    width: 100%;
  }

  .ltb-ebook-form .ltb-btn {
    width: 100%;
  }
}

/* Global responsive safety */
.ltb-main img,
.ltb-main video,
.ltb-main iframe,
.ltb-main embed,
.ltb-main object {
  max-width: 100%;
  height: auto;
}

.ltb-main pre,
.ltb-main code {
  max-width: 100%;
  overflow-x: auto;
}