/**
 * TDZ Group - Superside-Inspired Design System (Crisp White / Light Aesthetic)
 * Primary Color Palette extracted from TDZ Logo:
 * - Electric Cyan: #00B4D8 / #00F0FF
 * - Ocean Cerulean: #0077B6 / #0284C7
 * - Crisp White Background: #FFFFFF
 * - Slate Neutral Background: #F8FAFC / #F1F5F9
 * - Deep Slate Navy (Typography & High Contrast): #0F172A / #1E293B
 * - Soft Ice Highlight: #E0F7FA / #CAF0F8
 */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;1,600;1,700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&subset=vietnamese&display=swap');

:root {
  --tdz-primary: #00B4D8;
  --tdz-primary-hover: #0096C7;
  --tdz-primary-deep: #0077B6;
  --tdz-accent: #00B4D8;
  --tdz-accent-bright: #00F0FF;
  --tdz-accent-glow: rgba(0, 180, 216, 0.25);
  
  --tdz-bg-white: #FFFFFF;
  --tdz-bg-light: #F8FAFC;
  --tdz-bg-subtle: #F1F5F9;
  --tdz-bg-card: #FFFFFF;
  --tdz-bg-card-hover: #FFFFFF;
  
  --tdz-border-light: #E2E8F0;
  --tdz-border-subtle: #F1F5F9;
  --tdz-border-cyan: rgba(0, 180, 216, 0.22);
  --tdz-border-glow: rgba(0, 180, 216, 0.4);
  
  --tdz-text-main: #0F172A;
  --tdz-text-heading: #0F172A;
  --tdz-text-body: #334155;
  --tdz-text-muted: #64748B;
  --tdz-text-dim: #94A3B8;
  --tdz-text-white: #FFFFFF;
  
  --tdz-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --tdz-font-serif: 'Playfair Display', Georgia, serif;
  
  --tdz-radius-sm: 8px;
  --tdz-radius-md: 14px;
  --tdz-radius-lg: 24px;
  --tdz-radius-pill: 9999px;
  
  --tdz-shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
  --tdz-shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --tdz-shadow-card-hover: 0 20px 40px -15px rgba(0, 180, 216, 0.18), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --tdz-shadow-glow: 0 10px 30px -8px rgba(0, 180, 216, 0.35);
  --tdz-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Resets (White Background)
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body.tdz-superside-body {
  font-family: var(--tdz-font-sans);
  background-color: var(--tdz-bg-white);
  color: var(--tdz-text-body);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.tdz-scroll-locked {
  overflow: hidden !important;
  touch-action: none;
}

.tdz-serif-italic {
  font-family: var(--tdz-font-serif);
  font-style: italic;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #0077B6 0%, #00B4D8 50%, #0284C7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tdz-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 640px) {
  .tdz-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================================================
   Header Navigation (Crisp White & Transparent Blur)
   ========================================================================== */
.tdz-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
  padding: 20px 0;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.tdz-header.scrolled {
  padding: 12px 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--tdz-border-light);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
}

.tdz-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.tdz-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--tdz-text-heading);
}

.tdz-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.tdz-logo-link:hover .tdz-logo-img {
  transform: scale(1.04);
  filter: drop-shadow(0 0 10px rgba(0, 180, 216, 0.4));
}

.tdz-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0F172A 0%, #0077B6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tdz-nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tdz-nav-item {
  position: relative;
}

.tdz-nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #1E293B;
  text-decoration: none;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
  position: relative;
}

.tdz-active-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--tdz-primary);
  display: inline-block;
  opacity: 0;
  transform: scale(0);
  transition: all 0.2s ease;
}

.tdz-has-megamenu:hover .tdz-active-dot,
.tdz-has-megamenu.is-open .tdz-active-dot {
  opacity: 1;
  transform: scale(1);
}

.tdz-nav-link:hover,
.tdz-has-megamenu:hover .tdz-nav-link,
.tdz-has-megamenu.is-open .tdz-nav-link {
  color: var(--tdz-primary-deep);
}

.tdz-nav-item.tdz-has-megamenu {
  position: static !important;
}

.tdz-nav-chevron {
  display: inline-block;
  font-size: 0.75rem;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
  margin-left: 4px;
  color: #64748B;
}

.tdz-has-megamenu:hover .tdz-nav-chevron,
.tdz-has-megamenu.is-open .tdz-nav-chevron {
  transform: rotate(180deg);
  color: var(--tdz-primary);
}

/* ==========================================================================
   FULL-WIDTH TDZ MEGA MENU (Crisp White UI & TDZ Cyan Highlights)
   ========================================================================== */
.tdz-full-megamenu {
  position: absolute !important;
  top: 100% !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  background: #FFFFFF !important;
  color: var(--tdz-text-body) !important;
  border-top: 1px solid rgba(0, 180, 216, 0.3) !important;
  border-bottom: 3px solid #00B4D8 !important;
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.15), 0 0 30px rgba(0, 180, 216, 0.08) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(-8px) !important;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease !important;
  z-index: 999999 !important;
  max-height: calc(100vh - 75px);
  overflow-y: auto;
}

/* Seamless bridge preventing mouse gap between header and mega menu */
.tdz-full-megamenu::before {
  content: '';
  position: absolute;
  top: -24px;
  left: 0;
  width: 100%;
  height: 24px;
  background: transparent;
}

/* Open State on Hover or Click */
.tdz-has-megamenu:hover .tdz-full-megamenu,
.tdz-has-megamenu.is-open .tdz-full-megamenu {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

.tdz-megamenu-inner {
  max-width: 1380px;
  margin: 0 auto;
  padding: 32px 32px 28px;
}

.tdz-megamenu-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--tdz-border-light);
  flex-wrap: wrap;
  gap: 16px;
}

.tdz-megamenu-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tdz-primary-deep);
}

.tdz-megamenu-stats {
  font-size: 0.8125rem;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 16px;
}

.tdz-megamenu-stats strong {
  color: #0F172A;
}

.tdz-megamenu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

@media (max-width: 1200px) {
  .tdz-megamenu-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}

@media (max-width: 640px) {
  .tdz-megamenu-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Category Pills - Clean Light Palette */
.tdz-cat-pill {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 16px;
  border-radius: 10px;
  font-family: var(--tdz-font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  line-height: 1.3;
}

.tdz-cat-pill:hover {
  transform: translateY(-2px);
  filter: brightness(0.97);
}

/* Pill 1: TDZ Electric Cyan */
.tdz-pill-cyan, .tdz-pill-lime {
  background: linear-gradient(135deg, #E0F7FA 0%, #CAF0F8 100%);
  color: #0077B6;
  border: 1px solid rgba(0, 180, 216, 0.35);
  box-shadow: 0 2px 8px rgba(0, 180, 216, 0.12);
}

/* Pill 2: TDZ Ocean Cerulean */
.tdz-pill-blue {
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  color: #0284C7;
  border: 1px solid rgba(2, 132, 199, 0.35);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.12);
}

/* Pill 3: TDZ Tech Indigo */
.tdz-pill-indigo {
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
  color: #4338CA;
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
}

/* Pill 4: TDZ Teal */
.tdz-pill-teal {
  background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
  color: #0F766E;
  border: 1px solid rgba(20, 184, 166, 0.35);
  box-shadow: 0 2px 8px rgba(20, 184, 166, 0.12);
}

/* Menu Item List */
.tdz-megamenu-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tdz-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  border-bottom: 1px solid var(--tdz-border-subtle);
  text-decoration: none;
  position: relative;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.tdz-menu-item:last-child {
  border-bottom: none;
}

.tdz-menu-item:hover {
  background: #F8FAFC;
  transform: translateX(4px);
}

.tdz-item-text {
  display: flex;
  flex-direction: column;
  padding-right: 12px;
  position: relative;
}

.tdz-item-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F172A !important;
  position: relative;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tdz-menu-item:hover .tdz-item-title {
  color: var(--tdz-primary-deep) !important;
}

.tdz-item-desc {
  font-size: 0.75rem;
  color: #64748B !important;
  margin-top: 3px;
  line-height: 1.4;
}

.tdz-item-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tdz-primary);
  flex-shrink: 0;
  font-size: 0.875rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.tdz-menu-item:hover .tdz-item-icon {
  color: var(--tdz-primary-deep);
  transform: scale(1.15);
}

/* TDZ Cyan Accent Badge Mới */
.tdz-pill-badge-new {
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%);
  color: #070B14;
  font-size: 0.625rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
  display: inline-block;
  box-shadow: 0 2px 6px rgba(0, 180, 216, 0.25);
  line-height: 1.2;
}

/* Mega Menu Bottom Bar */
.tdz-megamenu-bottombar {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--tdz-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.tdz-megamenu-contact-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.875rem;
  color: #475569;
}

.tdz-megamenu-contact-info a {
  color: var(--tdz-primary-deep);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tdz-megamenu-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tdz-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.tdz-btn-ghost {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F172A;
  background: #F1F5F9;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: var(--tdz-radius-pill);
  transition: var(--tdz-transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tdz-btn-ghost:hover {
  color: var(--tdz-primary-deep);
  background: #E2E8F0;
}

.tdz-btn-primary,
a.tdz-btn-primary,
button.tdz-btn-primary {
  font-size: 0.875rem;
  font-weight: 700;
  color: #070B14 !important;
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%);
  text-decoration: none;
  padding: 10px 22px;
  border-radius: var(--tdz-radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 18px rgba(0, 180, 216, 0.35);
  transition: var(--tdz-transition);
  border: none;
  cursor: pointer;
}

.tdz-btn-primary *,
a.tdz-btn-primary *,
button.tdz-btn-primary * {
  color: #070B14 !important;
}

.tdz-btn-primary:hover,
a.tdz-btn-primary:hover,
button.tdz-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 180, 216, 0.5);
  background: linear-gradient(135deg, #38E1FF 0%, #00C6FF 100%);
  color: #000000 !important;
}

.tdz-btn-primary:hover *,
a.tdz-btn-primary:hover *,
button.tdz-btn-primary:hover * {
  color: #000000 !important;
}

.tdz-mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #0F172A;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.tdz-mobile-toggle:hover {
  background: #F1F5F9;
  color: var(--tdz-primary-deep);
}

@media (max-width: 1024px) {
  .tdz-nav-menu, .tdz-btn-ghost {
    display: none;
  }
  .tdz-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .tdz-header-actions {
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .tdz-header-actions .tdz-btn-primary {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }
  .tdz-header-actions .tdz-btn-primary i {
    display: none;
  }
  .tdz-brand-title {
    font-size: 1.05rem;
  }
  .tdz-logo-img {
    height: 36px;
    width: 36px;
  }
}

@media (max-width: 380px) {
  .tdz-header-actions .tdz-btn-primary {
    display: none;
  }
}

/* ==========================================================================
   Mobile Navigation Drawer & Overlay
   ========================================================================== */
.tdz-mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.tdz-mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.tdz-mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 86vw;
  max-width: 380px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 999999;
  box-shadow: -10px 0 40px rgba(15, 23, 42, 0.2);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tdz-mobile-drawer.open {
  transform: translateX(0);
}

.tdz-mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--tdz-border-light);
  background: #FFFFFF;
  flex-shrink: 0;
}

.tdz-mobile-close,
button.tdz-mobile-close {
  background: #F1F5F9 !important;
  border: none !important;
  color: #0F172A !important;
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  max-width: 38px !important;
  min-height: 38px !important;
  max-height: 38px !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  font-size: 1.125rem !important;
  line-height: 1 !important;
  letter-spacing: normal !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  transition: var(--tdz-transition);
}

.tdz-mobile-close:hover,
button.tdz-mobile-close:hover {
  background: #E2E8F0 !important;
  color: var(--tdz-primary-deep) !important;
}

.tdz-mobile-drawer-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px;
}

.tdz-mobile-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid var(--tdz-border-cyan);
  border-radius: var(--tdz-radius-pill);
  color: var(--tdz-primary-deep);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.tdz-mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tdz-mobile-nav-item {
  border-bottom: 1px solid #F1F5F9;
  padding-bottom: 4px;
}

.tdz-mobile-nav-item:last-child {
  border-bottom: none;
}

.tdz-mobile-nav-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tdz-mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  color: #0F172A;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  flex: 1;
  transition: color 0.2s ease;
}

.tdz-mobile-nav-link i {
  color: var(--tdz-primary-deep);
  width: 20px;
  text-align: center;
  font-size: 1.05rem;
}

.tdz-mobile-nav-link:hover,
.tdz-mobile-nav-link:active {
  color: var(--tdz-primary-deep);
}

.tdz-mobile-accordion-toggle,
button.tdz-mobile-accordion-toggle {
  background: #F8FAFC !important;
  border: 1px solid #E2E8F0 !important;
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  min-height: 36px !important;
  max-height: 36px !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 8px !important;
  aspect-ratio: 1 / 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  color: #475569 !important;
  line-height: 1 !important;
  letter-spacing: normal !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  transition: transform 0.25s ease, background 0.2s ease;
}

.tdz-mobile-has-submenu.is-expanded .tdz-mobile-accordion-toggle {
  transform: rotate(180deg);
  background: rgba(0, 180, 216, 0.12);
  color: var(--tdz-primary-deep);
}

.tdz-mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-in-out;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 20px;
  margin-top: 0;
}

.tdz-mobile-has-submenu.is-expanded .tdz-mobile-submenu {
  max-height: 500px;
  margin-top: 6px;
  margin-bottom: 10px;
}

.tdz-mobile-sublink {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.84375rem;
  color: #475569;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.tdz-mobile-sublink i {
  color: var(--tdz-primary-deep);
  width: 16px;
  font-size: 0.875rem;
}

.tdz-mobile-sublink:hover {
  background: #F1F5F9;
  color: var(--tdz-primary-deep);
}

.tdz-mobile-sublink.tdz-sublink-all {
  font-weight: 700;
  color: var(--tdz-primary-deep);
  background: rgba(0, 180, 216, 0.06);
}

.tdz-mobile-contact-card {
  background: #F8FAFC;
  border: 1px solid var(--tdz-border-light);
  border-radius: var(--tdz-radius-md);
  padding: 16px;
  margin-top: 10px;
}

.tdz-mobile-contact-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #0F172A;
  margin-bottom: 10px;
}

.tdz-mobile-contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84375rem;
  color: #475569;
  margin-bottom: 8px;
}

.tdz-mobile-contact-row:last-child {
  margin-bottom: 0;
}

.tdz-mobile-contact-row i {
  color: var(--tdz-primary-deep);
  width: 16px;
  text-align: center;
}

.tdz-mobile-contact-row a {
  color: #0F172A;
  text-decoration: none;
  font-weight: 600;
}

.tdz-mobile-drawer-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--tdz-border-light);
  background: #FFFFFF;
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.tdz-mobile-call-btn {
  flex: 0 0 auto;
  padding: 12px 18px;
  font-size: 0.875rem;
}

.tdz-mobile-demo-btn {
  flex: 1;
  justify-content: center;
  padding: 12px 18px;
  font-size: 0.875rem;
}

/* ==========================================================================
   Hero Section (Crisp White with Subtle Cyan Mesh Glow)
   ========================================================================== */
.tdz-hero-section {
  position: relative;
  padding: 160px 0 100px;
  background: radial-gradient(circle at 50% 0%, rgba(0, 180, 216, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 85% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
              #FFFFFF;
  overflow: hidden;
  text-align: center;
}

.tdz-hero-glow-blob {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(0, 180, 216, 0.12), rgba(0, 240, 255, 0.04), transparent 70%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

.tdz-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: var(--tdz-radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-cyan);
  box-shadow: 0 4px 14px rgba(0, 180, 216, 0.12);
  margin-bottom: 28px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tdz-primary-deep);
  position: relative;
  z-index: 1;
}

.tdz-pulse-dot {
  width: 8px !important;
  height: 8px !important;
  min-width: 8px !important;
  max-width: 8px !important;
  min-height: 8px !important;
  max-height: 8px !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  background: var(--tdz-primary);
  box-shadow: 0 0 10px var(--tdz-primary);
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
}

.tdz-hero-title {
  font-size: clamp(1.95rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  max-width: 1050px;
  margin: 0 auto 24px;
  color: var(--tdz-text-heading);
  position: relative;
  z-index: 1;
}

.tdz-hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--tdz-text-muted);
  max-width: 760px;
  margin: 0 auto 40px;
  position: relative;
  z-index: 1;
}

.tdz-hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .tdz-hero-section {
    padding: 120px 0 60px;
  }
}

@media (max-width: 540px) {
  .tdz-hero-section {
    padding: 100px 0 45px;
  }
  .tdz-hero-cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    gap: 12px;
  }
  .tdz-hero-cta-group a {
    width: 100%;
    justify-content: center;
  }
}

.tdz-btn-large {
  padding: 14px 34px;
  font-size: 1rem;
}

.tdz-btn-secondary {
  font-size: 1rem;
  font-weight: 600;
  color: #0F172A;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: var(--tdz-radius-pill);
  transition: var(--tdz-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.tdz-btn-secondary:hover {
  background: #FFFFFF;
  border-color: var(--tdz-primary);
  color: var(--tdz-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 180, 216, 0.15);
}

/* Hero Showcase Grid / Interactive Reel */
.tdz-hero-showcase {
  position: relative;
  max-width: 1140px;
  margin: 0 auto;
  border-radius: var(--tdz-radius-lg);
  border: 1px solid var(--tdz-border-cyan);
  background: #FFFFFF;
  padding: 24px;
  box-shadow: 0 30px 80px -20px rgba(15, 23, 42, 0.1), 0 0 40px -10px rgba(0, 180, 216, 0.1);
  z-index: 1;
}

.tdz-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .tdz-showcase-grid {
    grid-template-columns: 1fr;
  }
}

.tdz-showcase-card {
  position: relative;
  border-radius: var(--tdz-radius-md);
  overflow: hidden;
  background: #090E1A;
  border: 1px solid rgba(0, 180, 216, 0.15);
  height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: var(--tdz-transition);
}

.tdz-showcase-card:hover {
  transform: translateY(-5px);
  border-color: var(--tdz-primary);
  box-shadow: 0 15px 35px -5px rgba(0, 180, 216, 0.25);
}

.tdz-showcase-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  z-index: 0;
  opacity: 0.7;
}

.tdz-showcase-card:hover .tdz-showcase-card-bg {
  transform: scale(1.08);
  opacity: 0.88;
}

.tdz-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 11, 20, 0.95) 15%, rgba(7, 11, 20, 0.25) 70%, transparent 100%);
  z-index: 1;
}

.tdz-showcase-info {
  position: relative;
  z-index: 2;
  text-align: left;
}

.tdz-showcase-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #00F0FF;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 4px 10px;
  border-radius: var(--tdz-radius-pill);
  margin-bottom: 8px;
}

.tdz-showcase-info h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: #FFFFFF;
}

.tdz-showcase-info p {
  font-size: 0.8125rem;
  color: #E2E8F0;
  margin: 0;
}

/* Floating Metrics Badges (Light Card) */
.tdz-floating-stat {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-cyan);
  padding: 10px 18px;
  border-radius: var(--tdz-radius-pill);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #0F172A;
  z-index: 3;
}

.tdz-floating-stat-1 {
  top: -18px;
  right: 40px;
}

.tdz-floating-stat-2 {
  bottom: -18px;
  left: 40px;
}

@media (max-width: 640px) {
  .tdz-floating-stat {
    display: none;
  }
}

/* ==========================================================================
   Marquee Ticker Section (Slate Off-White Background)
   ========================================================================== */
.tdz-ticker-section {
  padding: 40px 0;
  border-top: 1px solid var(--tdz-border-light);
  border-bottom: 1px solid var(--tdz-border-light);
  background: #F8FAFC;
  overflow: hidden;
  position: relative;
}

.tdz-ticker-label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tdz-text-muted);
  margin-bottom: 24px;
}

.tdz-ticker-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: marquee-slide 28s linear infinite;
}

.tdz-ticker-track:hover {
  animation-play-state: paused;
}

.tdz-ticker-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  font-weight: 700;
  color: #334155;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.tdz-ticker-item:hover {
  color: var(--tdz-primary-deep);
}

@keyframes marquee-slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   Interactive Capabilities (Tab System)
   ========================================================================== */
.tdz-section {
  padding: 100px 0;
  position: relative;
  background-color: #FFFFFF;
}

.tdz-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.tdz-section-tag {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tdz-primary-deep);
  display: block;
  margin-bottom: 12px;
}

.tdz-section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--tdz-text-heading);
}

.tdz-section-desc {
  font-size: 1.0625rem;
  color: var(--tdz-text-muted);
  line-height: 1.6;
  margin: 0;
}

.tdz-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

@media (max-width: 900px) {
  .tdz-tabs-nav {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 6px 12px 14px;
    margin: 0 -16px 24px -16px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tdz-tabs-nav::-webkit-scrollbar {
    display: none;
  }
  .tdz-tab-btn {
    flex-shrink: 0;
    scroll-snap-align: start;
    white-space: nowrap;
    padding: 10px 18px;
    font-size: 0.875rem;
  }
}

.tdz-tab-btn {
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-light);
  color: var(--tdz-text-muted);
  padding: 12px 24px;
  border-radius: var(--tdz-radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--tdz-transition);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
}

.tdz-tab-btn:hover {
  color: var(--tdz-primary-deep);
  border-color: var(--tdz-primary);
  background: #F8FAFC;
}

.tdz-tab-btn.active {
  background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
  border-color: #0077B6;
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.tdz-tab-pane {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-light);
  border-radius: var(--tdz-radius-lg);
  padding: 40px;
  box-shadow: var(--tdz-shadow-card);
  animation: fadeIn 0.4s ease forwards;
}

.tdz-tab-pane.active {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .tdz-tab-pane.active {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

.tdz-tab-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--tdz-text-heading);
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
}

.tdz-tab-content p {
  font-size: 1rem;
  color: var(--tdz-text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.tdz-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 640px) {
  .tdz-feature-list {
    grid-template-columns: 1fr;
  }
}

.tdz-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #1E293B;
}

.tdz-feature-item svg,
.tdz-feature-item i {
  color: var(--tdz-primary-deep);
  flex-shrink: 0;
}

.tdz-tab-preview {
  position: relative;
  border-radius: var(--tdz-radius-md);
  overflow: hidden;
  border: 1px solid var(--tdz-border-light);
  box-shadow: 0 15px 35px -10px rgba(15, 23, 42, 0.1);
  aspect-ratio: 16 / 10;
  background: #F1F5F9;
}

.tdz-tab-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tdz-tab-preview:hover img {
  transform: scale(1.04);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Comparison Matrix & ROI Calculator (White & Slate Theme)
   ========================================================================== */
.tdz-compare-table-wrapper {
  overflow-x: auto;
  border-radius: var(--tdz-radius-lg);
  border: 1px solid var(--tdz-border-light);
  background: #FFFFFF;
  box-shadow: var(--tdz-shadow-card);
}

.tdz-compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.tdz-compare-table th,
.tdz-compare-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--tdz-border-light);
}

.tdz-compare-table th {
  font-size: 1rem;
  font-weight: 700;
  background: #F1F5F9;
  color: #0F172A;
}

.tdz-compare-table td {
  color: #334155;
}

.tdz-compare-highlight {
  background: rgba(0, 180, 216, 0.05) !important;
  color: var(--tdz-primary-deep) !important;
  border-left: 1px solid var(--tdz-border-cyan);
  border-right: 1px solid var(--tdz-border-cyan);
}

.tdz-compare-table tr:last-child td {
  border-bottom: none;
}

/* Calculator Box */
.tdz-calc-card {
  margin-top: 50px;
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-cyan);
  border-radius: var(--tdz-radius-lg);
  padding: 40px;
  box-shadow: 0 20px 50px -10px rgba(0, 180, 216, 0.12);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .tdz-calc-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

.tdz-calc-slider-wrap {
  margin-bottom: 24px;
}

.tdz-calc-slider-wrap label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 10px;
  color: #0F172A;
}

.tdz-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #E2E8F0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.tdz-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--tdz-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.4);
}

.tdz-calc-result-box {
  background: rgba(0, 180, 216, 0.06);
  border: 1px solid var(--tdz-border-cyan);
  border-radius: var(--tdz-radius-md);
  padding: 30px;
  text-align: center;
}

.tdz-calc-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--tdz-primary-deep);
  line-height: 1.1;
  margin: 10px 0;
}

/* ==========================================================================
   Pricing Section (Crisp White Cards)
/* ==========================================================================
   Pricing Section (Crisp White Cards - Anti-Wrap & Balanced Layout)
   ========================================================================== */
.tdz-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 992px) {
  .tdz-pricing-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
    gap: 32px;
  }
}

.tdz-price-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  padding: 34px 26px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.06);
}

.tdz-price-card:hover {
  transform: translateY(-6px);
  border-color: #00B4D8;
  box-shadow: 0 20px 40px -10px rgba(0, 180, 216, 0.18);
}

.tdz-price-card.featured {
  background: #FFFFFF;
  border: 2px solid #00B4D8;
  box-shadow: 0 20px 45px -10px rgba(0, 180, 216, 0.22);
}

@media (min-width: 993px) {
  .tdz-price-card.featured {
    transform: scale(1.02);
  }
  .tdz-price-card.featured:hover {
    transform: scale(1.02) translateY(-6px);
  }
}

.tdz-badge-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%);
  color: #070B14;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 16px;
  border-radius: 9999px;
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
  white-space: nowrap;
  z-index: 2;
}

.tdz-price-badge-top {
  margin-bottom: 12px;
}

.tdz-price-tier-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
  background: #F1F5F9;
  color: #475569;
}

.tdz-price-tier-tag.tdz-tag-featured {
  background: rgba(0, 180, 216, 0.12);
  color: #0077B6;
}

.tdz-price-plan {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 8px 0;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.tdz-price-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #475569;
  margin: 0 0 20px 0;
  min-height: 48px;
}

.tdz-price-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 22px;
}

.tdz-price-card.featured .tdz-price-box {
  background: linear-gradient(135deg, #F0FDFA 0%, #FFFFFF 100%);
  border-color: rgba(0, 180, 216, 0.35);
  box-shadow: 0 2px 10px rgba(0, 180, 216, 0.06);
}

.tdz-price-tagline {
  font-size: 1.125rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.3;
}

.tdz-price-subtext {
  font-size: 0.8125rem;
  color: #64748B;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tdz-price-discount {
  background: rgba(0, 180, 216, 0.15);
  color: #0077B6;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(0, 180, 216, 0.25);
  white-space: nowrap;
}

.tdz-price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 26px 0;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tdz-price-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: #334155;
  line-height: 1.5;
}

.tdz-price-feature-item i {
  color: #0077B6;
  font-size: 0.875rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.tdz-price-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 46px;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: 10px;
  box-sizing: border-box;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* ==========================================================================
   FAQ Looping Slide Carousel (Trải đều & Chạy vòng như slide)
   ========================================================================== */
.tdz-faq-slider-section {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.tdz-faq-header-wrapper {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tdz-faq-header-info {
  flex: 1;
  min-width: 300px;
}

.tdz-faq-header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.tdz-faq-loop-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--tdz-radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-cyan);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--tdz-primary-deep);
  box-shadow: 0 2px 8px rgba(0, 180, 216, 0.08);
  user-select: none;
}

.tdz-faq-live-dot {
  width: 8px !important;
  height: 8px !important;
  min-width: 8px !important;
  max-width: 8px !important;
  min-height: 8px !important;
  max-height: 8px !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
  background: #00F0FF;
  box-shadow: 0 0 10px #00F0FF;
  animation: pulse-dot 1.8s infinite ease-in-out;
}

.tdz-faq-nav-btns {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tdz-faq-nav-btn,
button.tdz-faq-nav-btn,
.tdz-faq-nav-btns button {
  width: 46px !important;
  height: 46px !important;
  min-width: 46px !important;
  max-width: 46px !important;
  min-height: 46px !important;
  max-height: 46px !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  font-size: 1rem !important;
  line-height: 1 !important;
  letter-spacing: normal !important;
  border: 1px solid #CBD5E1 !important;
  background: #FFFFFF !important;
  color: #0F172A !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05) !important;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
}

.tdz-faq-nav-btn:hover,
button.tdz-faq-nav-btn:hover,
.tdz-faq-nav-btns button:hover {
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%) !important;
  border-color: #00B4D8 !important;
  color: #070B14 !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.35) !important;
}

.tdz-faq-nav-btn:hover i,
button.tdz-faq-nav-btn:hover i {
  color: #070B14 !important;
}

.tdz-faq-nav-btn:active,
button.tdz-faq-nav-btn:active {
  transform: translateY(0) !important;
}

.tdz-faq-nav-btn i,
button.tdz-faq-nav-btn i {
  font-size: 1rem !important;
  color: inherit !important;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1 !important;
}

/* Viewport & Track */
.tdz-faq-slider-viewport {
  width: 100%;
  overflow: hidden;
  padding: 12px 4px 24px;
  margin: 0 -4px;
  cursor: grab;
}

.tdz-faq-slider-viewport.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.tdz-faq-slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* Cards */
.tdz-faq-slide-card {
  flex: 0 0 calc((100% - 48px) / 3);
  margin-right: 24px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 20px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  box-sizing: border-box;
}

.tdz-faq-slide-card:last-child {
  margin-right: 0;
}

.tdz-faq-slide-card:hover {
  transform: translateY(-6px);
  border-color: var(--tdz-primary);
  box-shadow: 0 16px 36px -10px rgba(0, 180, 216, 0.22), 0 0 0 1px rgba(0, 180, 216, 0.15);
}

.tdz-faq-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.tdz-faq-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--tdz-radius-pill);
  background: #E0F7FA;
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: #0077B6;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tdz-faq-pill i {
  font-size: 0.8125rem;
  color: #00B4D8;
}

.tdz-faq-card-num {
  font-size: 1.125rem;
  font-weight: 800;
  font-family: monospace, sans-serif;
  color: #CBD5E1;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.tdz-faq-slide-card:hover .tdz-faq-card-num {
  color: #00B4D8;
}

.tdz-faq-slide-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.4;
  margin: 0 0 14px 0;
  letter-spacing: -0.01em;
}

.tdz-faq-slide-answer {
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.tdz-faq-slide-answer strong {
  color: #0F172A;
  font-weight: 700;
}

.tdz-faq-slide-answer p {
  margin: 0;
}

.tdz-faq-card-foot {
  padding-top: 18px;
  border-top: 1px dashed #E2E8F0;
  margin-top: auto;
}

.tdz-faq-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--tdz-primary-deep);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.tdz-faq-link i {
  font-size: 0.8125rem;
  transition: transform 0.2s ease;
}

.tdz-faq-slide-card:hover .tdz-faq-link {
  color: #00B4D8;
}

.tdz-faq-slide-card:hover .tdz-faq-link i {
  transform: translateX(4px);
}

/* Footer / Progress & Pagination Dots */
.tdz-faq-slider-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #E2E8F0;
  flex-wrap: wrap;
}

.tdz-faq-progress-wrap {
  flex: 1;
  max-width: 240px;
  height: 4px;
  background: #E2E8F0;
  border-radius: 9999px;
  overflow: hidden;
}

.tdz-faq-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #00B4D8 0%, #00F0FF 100%);
  border-radius: 9999px;
  transition: width 0.1s linear;
}

.tdz-faq-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tdz-faq-dots button,
button.tdz-faq-dot,
.tdz-faq-dot {
  width: 10px !important;
  height: 10px !important;
  min-width: 10px !important;
  max-width: 10px !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  background: #CBD5E1 !important;
  border: none !important;
  cursor: pointer !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  letter-spacing: 0 !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.tdz-faq-dots button:hover,
button.tdz-faq-dot:hover,
.tdz-faq-dot:hover {
  background: #94A3B8 !important;
  transform: scale(1.15) !important;
}

.tdz-faq-dots button.active,
button.tdz-faq-dot.active,
.tdz-faq-dot.active {
  width: 28px !important;
  height: 10px !important;
  min-width: 28px !important;
  max-width: 28px !important;
  border-radius: 9999px !important;
  aspect-ratio: auto !important;
  background: linear-gradient(135deg, #00B4D8 0%, #00F0FF 100%) !important;
  box-shadow: 0 2px 8px rgba(0, 180, 216, 0.4) !important;
}

.tdz-faq-slide-counter {
  font-size: 0.875rem;
  font-weight: 700;
  color: #64748B;
  font-family: monospace, sans-serif;
}

.tdz-faq-slide-counter .tdz-faq-curr-idx {
  color: #0F172A;
  font-weight: 800;
  font-size: 1rem;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .tdz-faq-slide-card {
    flex: 0 0 calc((100% - 20px) / 2);
    margin-right: 20px;
    padding: 26px 22px;
  }
}

@media (max-width: 640px) {
  .tdz-faq-slide-card {
    flex: 0 0 100%;
    margin-right: 16px;
    padding: 24px 20px;
  }
  .tdz-faq-header-wrapper {
    gap: 20px;
    margin-bottom: 32px;
  }
  .tdz-faq-header-controls {
    width: 100%;
    justify-content: space-between;
  }
  .tdz-faq-progress-wrap {
    order: 3;
    max-width: 100%;
    flex: 0 0 100%;
  }
  .tdz-faq-slider-footer {
    justify-content: space-between;
  }
}

/* Legacy FAQ Accordion Compatibility */
.tdz-faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.tdz-faq-item {
  background: #FFFFFF;
  border: 1px solid var(--tdz-border-light);
  border-radius: var(--tdz-radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--tdz-transition);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
}

.tdz-faq-item.active {
  border-color: var(--tdz-primary);
  box-shadow: 0 8px 25px -5px rgba(0, 180, 216, 0.15);
}

.tdz-faq-trigger {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: #0F172A;
  font-size: 1.0625rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.tdz-faq-trigger svg,
.tdz-faq-trigger i {
  width: 20px;
  height: 20px;
  color: var(--tdz-primary-deep);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.tdz-faq-item.active .tdz-faq-trigger svg,
.tdz-faq-item.active .tdz-faq-trigger i {
  transform: rotate(180deg);
}

.tdz-faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 28px;
  color: var(--tdz-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.tdz-faq-item.active .tdz-faq-body {
  max-height: 500px;
  transition: max-height 0.4s ease-in-out;
  padding-bottom: 24px;
}

/* ==========================================================================
   Pre-Footer CTA & Modern Light Footer
   ========================================================================== */
.tdz-cta-section {
  padding: 100px 0;
  background: radial-gradient(circle at center, rgba(0, 180, 216, 0.1) 0%, transparent 70%),
              #FFFFFF;
  text-align: center;
  position: relative;
  border-top: 1px solid var(--tdz-border-light);
}

.tdz-footer {
  background: #F8FAFC;
  border-top: 1px solid var(--tdz-border-light);
  padding: 80px 0 40px;
  color: var(--tdz-text-muted);
}

.tdz-footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
  gap: 36px;
  margin-bottom: 60px;
}

@media (max-width: 900px) {
  .tdz-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 540px) {
  .tdz-footer-grid {
    grid-template-columns: 1fr;
  }
}

.tdz-footer-brand p {
  margin: 16px 0 24px;
  max-width: 320px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #475569;
}

.tdz-footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.tdz-footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tdz-footer-menu li {
  margin-bottom: 12px;
}

.tdz-footer-menu a:not(.tdz-btn-primary) {
  color: var(--tdz-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.tdz-footer-menu a:not(.tdz-btn-primary):hover {
  color: var(--tdz-primary-deep);
}

.tdz-footer .tdz-btn-primary,
.tdz-footer .tdz-btn-primary *,
.tdz-footer-menu .tdz-btn-primary,
.tdz-footer-menu .tdz-btn-primary * {
  color: #070B14 !important;
  font-weight: 700 !important;
}

.tdz-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--tdz-border-light);
  padding-top: 32px;
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 16px;
  color: #64748B;
}

/* ==========================================================================
   Sub-Pages Specific Helpers (White Aesthetic)
   ========================================================================== */
.tdz-single-service-main,
.tdz-archive-main {
  background-color: #FFFFFF !important;
}

.tdz-post-content h1,
.tdz-post-content h2,
.tdz-post-content h3,
.tdz-post-content h4 {
  color: #0F172A;
}

.tdz-post-content p,
.tdz-post-content li {
  color: #334155;
  line-height: 1.8;
}

.tdz-post-content a {
  color: var(--tdz-primary-deep);
  text-decoration: underline;
}

/* ==========================================================================
   Responsive Utilities & Sub-Pages Layouts
   ========================================================================== */
.tdz-services-grid,
.tdz-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 28px;
}

.tdz-contact-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: flex-start;
}

.tdz-form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 992px) {
  .tdz-contact-split-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .tdz-form-row-2col {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .tdz-compare-table {
    min-width: 620px;
  }
  .tdz-compare-table th,
  .tdz-compare-table td {
    padding: 14px 16px;
    font-size: 0.84375rem;
  }
}

/* ==========================================================================
   TDZ Single Service Detail Page - High-Tech Enterprise UI
   ========================================================================== */
.tdz-single-service-main {
  background-color: #F8FAFC !important;
  color: #1E293B;
  min-height: 100vh;
  padding-top: 130px;
  padding-bottom: 90px;
}

/* Strict layout resets: strip intrusive Astra theme padding & margins */
.tdz-single-service-main article,
.tdz-single-service-main .ast-article-single,
.tdz-single-service-main .entry-content,
.tdz-service-content-col article,
.tdz-service-content-col .tdz-post-content,
.tdz-post-content {
  padding: 0 !important;
  margin: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  width: 100% !important;
  max-width: 100% !important;
}

.tdz-service-hero-header {
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 32px;
  margin-bottom: 36px;
}

.tdz-service-breadcrumb-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  font-size: 0.875rem;
}

.tdz-service-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #64748B;
}

.tdz-service-breadcrumb a {
  color: #64748B;
  text-decoration: none;
  transition: color 0.2s;
}

.tdz-service-breadcrumb a:hover {
  color: #0077B6;
}

.tdz-service-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 180, 216, 0.08);
  color: #0077B6;
  border: 1px solid rgba(0, 180, 216, 0.3);
  padding: 5px 14px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tdz-service-headline {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 800;
  color: #0F172A;
  line-height: 1.25;
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
}

.tdz-service-meta-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: #64748B;
  font-size: 0.875rem;
}

.tdz-service-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tdz-service-rating-stars {
  color: #F59E0B;
}

/* 2-Column Grid Layout: Symmetrical & Prevents Grid Blowout */
.tdz-service-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 36px;
  align-items: flex-start;
  width: 100%;
}

.tdz-service-content-col {
  min-width: 0;
  width: 100%;
}

.tdz-service-sidebar-col {
  min-width: 0;
  width: 100%;
  position: sticky;
  top: 96px;
}

@media (max-width: 1024px) {
  .tdz-service-layout-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .tdz-service-sidebar-col {
    position: static;
  }
}

/* Content Column Cards */
.tdz-service-section-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tdz-service-section-card:hover {
  border-color: rgba(0, 180, 216, 0.3);
  box-shadow: 0 10px 30px rgba(0, 180, 216, 0.06);
}

.tdz-service-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 20px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.tdz-service-card-title i {
  color: #0077B6;
  font-size: 1.25rem;
}

/* Checklist items */
.tdz-feature-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tdz-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #F8FAFC;
  border: 1px solid #F1F5F9;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #334155;
  transition: all 0.2s ease;
}

.tdz-feature-item:hover {
  background: #F0FDFA;
  border-color: rgba(0, 180, 216, 0.25);
  transform: translateX(3px);
}

.tdz-feature-icon {
  color: #0077B6;
  font-size: 1.15rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Core Web Vitals KPI Badges */
/* Core Web Vitals KPI Badges - Grid Matrix */
.tdz-cwv-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(0, 180, 216, 0.25);
  border: 1px solid rgba(0, 180, 216, 0.35);
  border-radius: 14px;
  overflow: hidden;
  margin: 24px 0;
}

@media (max-width: 768px) {
  .tdz-cwv-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tdz-cwv-kpi-card {
  background: linear-gradient(135deg, #F0FDFA 0%, #FFFFFF 100%);
  padding: 18px 14px;
  text-align: center;
  transition: background 0.2s ease;
}

.tdz-cwv-kpi-card:hover {
  background: #E0F7FA;
}

.tdz-cwv-kpi-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0077B6;
  line-height: 1.1;
  margin-bottom: 4px;
  font-family: monospace, sans-serif;
  letter-spacing: -0.02em;
}

.tdz-cwv-kpi-metric {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 3px;
}

.tdz-cwv-kpi-desc {
  font-size: 0.75rem;
  color: #64748B;
  font-weight: 500;
}

/* ==========================================================================
   Bento Grid Ô Lưới Tính Năng (Modern Bordered Grid Matrix)
   ========================================================================== */
.tdz-bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: #E2E8F0;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

@media (max-width: 768px) {
  .tdz-bento-grid {
    grid-template-columns: 1fr;
  }
}

.tdz-bento-cell {
  background: #FFFFFF;
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  position: relative;
}

.tdz-bento-cell:hover {
  background: #F8FDFF;
}

.tdz-bento-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.tdz-bento-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: #0077B6;
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.25);
  padding: 2px 10px;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.tdz-bento-icon {
  font-size: 1.35rem;
  color: #0077B6;
  transition: transform 0.2s ease, color 0.2s ease;
}

.tdz-bento-cell:hover .tdz-bento-icon {
  color: #00B4D8;
  transform: scale(1.1);
}

.tdz-bento-item-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 8px 0;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.tdz-bento-item-desc {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.65;
  margin: 0;
}

.tdz-bento-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #0284C7;
  margin-top: 14px;
  background: #F1F5F9;
  padding: 3px 8px;
  border-radius: 6px;
  width: fit-content;
}

/* ==========================================================================
   Bảng Ma Trận Hạng Mục Kỹ Thuật (Enterprise Specification Grid Table)
   ========================================================================== */
.tdz-matrix-table-wrapper {
  overflow-x: auto;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  background: #FFFFFF;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
  margin: 24px 0;
}

.tdz-matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
  line-height: 1.55;
}

.tdz-matrix-table th {
  background: #F8FAFC;
  color: #0F172A;
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid #E2E8F0;
  border-right: 1px solid #E2E8F0;
  white-space: nowrap;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tdz-matrix-table th:last-child {
  border-right: none;
}

.tdz-matrix-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #E2E8F0;
  border-right: 1px solid #E2E8F0;
  color: #334155;
  vertical-align: middle;
}

.tdz-matrix-table td:last-child {
  border-right: none;
}

.tdz-matrix-table tr:last-child td {
  border-bottom: none;
}

.tdz-matrix-table tr:hover td {
  background: #F8FAFC;
}

.tdz-matrix-badge-ok {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(0, 180, 216, 0.1);
  color: #0077B6;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(0, 180, 216, 0.25);
}

/* ==========================================================================
   4-Step Connected Process Grid (Quy trình dạng ô lưới liên hoàn)
   ========================================================================== */
.tdz-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #E2E8F0;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  overflow: hidden;
  margin-top: 18px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

@media (max-width: 900px) {
  .tdz-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .tdz-process-grid {
    grid-template-columns: 1fr;
  }
}

.tdz-process-cell {
  background: #FFFFFF;
  padding: 22px 18px;
  transition: background 0.2s ease;
}

.tdz-process-cell:hover {
  background: #F0FDFA;
}

.tdz-pcell-num {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 32px !important;
  height: 32px !important;
  min-width: 32px !important;
  max-width: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  padding: 0 !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  flex-shrink: 0 !important;
  line-height: 1 !important;
  background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 800;
  margin-bottom: 12px;
  box-shadow: 0 3px 10px rgba(0, 119, 182, 0.25);
}

.tdz-pcell-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
}

.tdz-pcell-desc {
  font-size: 0.8125rem;
  color: #64748B;
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   Cam Kết Chất Lượng - Ma Trận Ô Lưới 2x2 (Guarantees Grid Matrix)
   ========================================================================== */
.tdz-guarantee-matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: #E2E8F0;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

@media (max-width: 640px) {
  .tdz-guarantee-matrix-grid {
    grid-template-columns: 1fr;
  }
}

.tdz-guarantee-matrix-cell {
  background: #FFFFFF;
  padding: 24px;
  transition: all 0.2s ease;
}

.tdz-guarantee-matrix-cell:hover {
  background: #F8FDFF;
}

.tdz-guarantee-matrix-cell i {
  color: #0077B6;
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: block;
}

.tdz-guarantee-matrix-cell h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
}

.tdz-guarantee-matrix-cell p {
  font-size: 0.84375rem;
  color: #64748B;
  margin: 0;
  line-height: 1.55;
}

.tdz-guarantee-item h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
}

.tdz-guarantee-item p {
  font-size: 0.8125rem;
  color: #64748B;
  margin: 0;
  line-height: 1.5;
}

/* Sticky Sidebar & Pricing Card */
.tdz-service-sidebar-col {
  position: sticky;
  top: 96px;
}

.tdz-sticky-pricing-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(0, 180, 216, 0.35);
  border-radius: 18px;
  padding: 24px 20px;
  box-shadow: 0 10px 30px -8px rgba(0, 180, 216, 0.12);
  margin-bottom: 24px;
  box-sizing: border-box;
}

.tdz-spc-badge-top {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(0, 180, 216, 0.1);
  color: #0077B6;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  text-transform: uppercase;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.tdz-spc-price-box {
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.08) 0%, rgba(2, 132, 199, 0.03) 100%);
  border: 1px solid rgba(0, 180, 216, 0.25);
  border-radius: 14px;
  padding: 16px 14px;
  margin-bottom: 20px;
  box-sizing: border-box;
  overflow: hidden;
}

.tdz-spc-price-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.75rem;
}

.tdz-spc-price-type {
  font-weight: 700;
  text-transform: uppercase;
  color: #0077B6;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
}

.tdz-spc-price-guarantee {
  color: #059669;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tdz-spc-amount-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0077B6;
  line-height: 1.25;
  letter-spacing: -0.02em;
  word-break: break-word;
}

.tdz-spc-amount-value.tdz-spc-range-layout {
  font-size: clamp(0.875rem, 1.05vw, 1.05rem);
  font-weight: 800;
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  justify-content: flex-start;
  gap: 4px;
  color: #0077B6;
  line-height: 1.3;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.tdz-spc-amount-value.tdz-spc-range-layout .tdz-price-num {
  font-weight: 800;
  white-space: nowrap;
}

.tdz-spc-amount-value.tdz-spc-range-layout .tdz-price-sep {
  color: #64748B;
  font-weight: 600;
  padding: 0 1px;
}

.tdz-spc-meta-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: #64748B;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 180, 216, 0.15);
}

.tdz-spc-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.tdz-spc-meta-divider {
  color: #CBD5E1;
}

.tdz-spc-action-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.tdz-spc-action-group .tdz-btn-primary {
  width: 100%;
  justify-content: center;
  padding: 14px 20px;
  font-size: 0.9375rem;
  font-weight: 700;
}

.tdz-spc-phone-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  background: #F8FAFC;
  color: #0077B6;
  border: 1px solid rgba(0, 180, 216, 0.35);
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.tdz-spc-phone-btn:hover {
  background: rgba(0, 180, 216, 0.1);
  color: #0284C7;
  border-color: #00B4D8;
}

.tdz-spc-quick-perks {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid #E2E8F0;
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tdz-spc-perk-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: #475569;
}

.tdz-spc-perk-item i {
  color: #0077B6;
  font-size: 0.875rem;
}

/* Sidebar Support Card */
.tdz-sidebar-support-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 20px;
  font-size: 0.875rem;
}

.tdz-ssc-title {
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 10px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tdz-ssc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #64748B;
  margin-bottom: 8px;
}

.tdz-ssc-row a {
  color: #0077B6;
  text-decoration: none;
  font-weight: 600;
}

/* ==========================================================================
   Customer Reviews & Rating System - TDZ Group Enterprise
   ========================================================================== */
.tdz-reviews-section {
  margin-top: 36px;
  background: #FFFFFF;
}

.tdz-reviews-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.tdz-trigger-review-btn {
  padding: 10px 22px;
  font-size: 0.875rem;
  border-radius: 9999px;
  cursor: pointer;
}

/* Rating Summary Card */
.tdz-reviews-summary-card {
  display: grid;
  grid-template-columns: 200px 1fr 220px;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, #F8FAFC 0%, #F0FDFA 100%);
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 24px 28px;
  margin-bottom: 28px;
}

@media (max-width: 900px) {
  .tdz-reviews-summary-card {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }
}

.tdz-rsc-score-col {
  text-align: center;
  border-right: 1px solid #E2E8F0;
  padding-right: 20px;
}

@media (max-width: 900px) {
  .tdz-rsc-score-col {
    border-right: none;
    border-bottom: 1px solid #E2E8F0;
    padding-right: 0;
    padding-bottom: 18px;
  }
}

.tdz-rsc-big-num {
  font-size: 3.25rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.tdz-rsc-stars-wrap {
  color: #F59E0B;
  font-size: 1.125rem;
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.tdz-rsc-count-text {
  font-size: 0.8125rem;
  color: #64748B;
  margin-bottom: 6px;
}

.tdz-rsc-satisfaction-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #059669;
  background: #ECFDF5;
  padding: 3px 10px;
  border-radius: 9999px;
  border: 1px solid rgba(5, 150, 105, 0.2);
}

/* Breakdown Bars */
.tdz-rsc-bars-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tdz-rbar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: #475569;
}

.tdz-rbar-label {
  width: 44px;
  font-weight: 600;
}

.tdz-rbar-track {
  flex: 1;
  height: 8px;
  background: #E2E8F0;
  border-radius: 9999px;
  overflow: hidden;
}

.tdz-rbar-fill {
  height: 100%;
  background: linear-gradient(90deg, #00B4D8 0%, #0077B6 100%);
  border-radius: 9999px;
  transition: width 0.6s ease;
}

.tdz-rbar-val {
  width: 36px;
  text-align: right;
  font-weight: 600;
  color: #64748B;
}

/* Trust Col */
.tdz-rsc-trust-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 1px solid #E2E8F0;
  padding-left: 20px;
}

@media (max-width: 900px) {
  .tdz-rsc-trust-col {
    border-left: none;
    border-top: 1px solid #E2E8F0;
    padding-left: 0;
    padding-top: 16px;
  }
}

.tdz-trust-badge-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tdz-trust-badge-item i {
  color: #0077B6;
  font-size: 1.15rem;
  margin-top: 2px;
}

.tdz-trust-badge-item strong {
  display: block;
  font-size: 0.84375rem;
  color: #0F172A;
  margin-bottom: 2px;
}

.tdz-trust-badge-item p {
  font-size: 0.75rem;
  color: #64748B;
  margin: 0;
  line-height: 1.4;
}

/* Review Form Card */
.tdz-review-form-card {
  background: #F8FAFC;
  border: 1.5px solid rgba(0, 180, 216, 0.3);
  border-radius: 14px;
  padding: 24px 28px;
  margin-bottom: 32px;
  box-shadow: 0 10px 25px -5px rgba(0, 180, 216, 0.08);
  animation: fadeIn 0.3s ease forwards;
}

.tdz-rfc-header {
  margin-bottom: 20px;
}

.tdz-rfc-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tdz-rfc-subtitle {
  font-size: 0.84375rem;
  color: #64748B;
  margin: 0;
}

/* Interactive Star Picker */
.tdz-rating-picker-group {
  margin-bottom: 18px;
}

.tdz-rating-stars-interactive {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.tdz-star-btn,
button.tdz-star-btn {
  background: transparent !important;
  border: none !important;
  padding: 4px 6px !important;
  margin: 0 !important;
  font-size: 1.5rem !important;
  color: #CBD5E1 !important;
  cursor: pointer !important;
  transition: transform 0.15s ease, color 0.15s ease;
  line-height: 1 !important;
  letter-spacing: normal !important;
  min-width: unset !important;
  box-shadow: none !important;
  box-sizing: border-box !important;
}

.tdz-star-btn:hover {
  transform: scale(1.2);
}

.tdz-star-btn.active {
  color: #F59E0B;
}

.tdz-rating-tooltip-label {
  font-size: 0.8125rem;
  color: #0284C7;
  font-weight: 600;
  margin-left: 12px;
}

/* Form inputs */
.tdz-form-group {
  margin-bottom: 16px;
}

.tdz-form-label {
  display: block;
  font-size: 0.84375rem;
  font-weight: 600;
  color: #1E293B;
  margin-bottom: 6px;
}

.tdz-form-row-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 640px) {
  .tdz-form-row-2col {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.tdz-form-input,
.tdz-form-textarea {
  width: 100%;
  padding: 12px 14px;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  font-size: 0.9375rem;
  color: #0F172A;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.tdz-form-input:focus,
.tdz-form-textarea:focus {
  outline: none;
  border-color: #00B4D8;
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.tdz-rfc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid #E2E8F0;
  margin-top: 8px;
}

.tdz-rfc-privacy-note {
  font-size: 0.75rem;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tdz-rfc-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tdz-review-status-box {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.tdz-review-status-box.success {
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.tdz-review-status-box.error {
  background: #FFF1F2;
  color: #9F1239;
  border: 1px solid #FECDD3;
}

/* Reviews List */
.tdz-reviews-list-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tdz-reviews-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tdz-review-item {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.02);
  transition: border-color 0.2s;
}

.tdz-review-item:hover {
  border-color: rgba(0, 180, 216, 0.3);
}

.tdz-ri-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.tdz-ri-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tdz-ri-avatar {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  max-width: 42px !important;
  min-height: 42px !important;
  max-height: 42px !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
  color: #FFFFFF;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0 !important;
}

.tdz-ri-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 2px 0;
}

.tdz-ri-org {
  display: block;
  font-size: 0.75rem;
  color: #64748B;
  margin-bottom: 2px;
}

.tdz-ri-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #059669;
  background: #ECFDF5;
  padding: 1px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.tdz-ri-meta {
  text-align: right;
}

.tdz-ri-stars {
  color: #E2E8F0;
  font-size: 0.875rem;
  display: flex;
  gap: 2px;
  justify-content: flex-end;
  margin-bottom: 3px;
}

.tdz-ri-stars .fa-star.active {
  color: #F59E0B;
}

.tdz-ri-date {
  font-size: 0.75rem;
  color: #94A3B8;
}

.tdz-ri-body p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #334155;
  margin: 0;
}

.tdz-ri-official-reply {
  margin-top: 14px;
  background: #F8FAFC;
  border-left: 3px solid #0077B6;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.84375rem;
  line-height: 1.55;
}

.tdz-rior-badge {
  color: #0077B6;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tdz-ri-official-reply p {
  color: #475569;
  margin: 0;
}

/* ==========================================================================
   MASTER TABLET & MOBILE RESPONSIVE OPTIMIZATION SYSTEM (TDZ GROUP)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. GLOBAL RESETS & OVERFLOW PREVENTIONS
   -------------------------------------------------------------------------- */
html, body {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
  position: relative;
}

#tdz-page-wrapper {
  overflow-x: hidden !important;
  width: 100% !important;
  position: relative;
}

img, video, iframe, table {
  max-width: 100%;
}

/* --------------------------------------------------------------------------
   2. TABLET OPTIMIZATIONS (Screen width: 768px - 1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) and (max-width: 1024px) {
  /* Header & Navigation on Tablet */
  .tdz-header {
    padding: 14px 0 !important;
  }
  .tdz-header.scrolled {
    padding: 10px 0 !important;
  }

  /* Main Content Top Offset on Tablet */
  #tdz-main-content,
  .tdz-single-service-main {
    padding-top: 110px !important;
    padding-bottom: 70px !important;
  }

  .tdz-hero-section {
    padding: 125px 0 60px !important;
  }

  /* Grid Layouts on Tablet */
  .tdz-pricing-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
    max-width: 100% !important;
  }

  .tdz-pricing-grid > .tdz-price-card:last-child {
    grid-column: span 2;
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .tdz-services-grid,
  .tdz-projects-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
  }

  .tdz-contact-split-grid {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }

  .tdz-service-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }

  .tdz-service-sidebar-col {
    position: static !important;
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
  }

  .tdz-process-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .tdz-guarantee-matrix-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .tdz-cwv-kpi-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }

  .tdz-footer-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 32px !important;
  }

  .tdz-calc-card {
    grid-template-columns: 1fr !important;
    padding: 32px 28px !important;
    gap: 28px !important;
  }
}

/* --------------------------------------------------------------------------
   3. MOBILE OPTIMIZATIONS (Screen width <= 767px)
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  /* Container Padding */
  .tdz-container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  /* Header on Mobile */
  .tdz-header {
    padding: 12px 0 !important;
  }
  .tdz-header.scrolled {
    padding: 8px 0 !important;
  }
  .tdz-logo-img {
    height: 36px !important;
    width: auto !important;
  }
  .tdz-brand-title {
    font-size: 1.1rem !important;
  }
  .tdz-header-actions .tdz-btn-primary {
    padding: 8px 14px !important;
    font-size: 0.8125rem !important;
  }

  /* Main Content Top Offset on Mobile */
  #tdz-main-content,
  .tdz-single-service-main {
    padding-top: 92px !important;
    padding-bottom: 50px !important;
  }

  .tdz-hero-section {
    padding: 95px 0 45px !important;
  }

  /* Section Spacing */
  .tdz-section {
    padding: 55px 0 !important;
  }
  .tdz-section-header {
    margin-bottom: 32px !important;
  }

  /* Typography Scaling */
  h1, .tdz-hero-title, .tdz-service-headline {
    font-size: clamp(1.65rem, 6.5vw, 2.25rem) !important;
    line-height: 1.25 !important;
    margin-bottom: 14px !important;
  }

  h2, .tdz-section-title {
    font-size: clamp(1.45rem, 5.5vw, 1.85rem) !important;
    line-height: 1.3 !important;
    margin-bottom: 12px !important;
  }

  .tdz-hero-subtitle, .tdz-section-desc {
    font-size: 0.9375rem !important;
    line-height: 1.6 !important;
    margin-bottom: 24px !important;
  }

  /* Hero Actions Group */
  .tdz-hero-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 12px !important;
    margin-bottom: 36px !important;
  }
  .tdz-hero-cta-group a {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 20px !important;
  }

  /* Showcase Grid in Hero */
  .tdz-hero-showcase {
    padding: 14px !important;
    border-radius: 14px !important;
  }
  .tdz-showcase-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .tdz-showcase-card {
    height: 220px !important;
    padding: 16px !important;
  }
  .tdz-floating-stat {
    display: none !important;
  }

  /* Horizontal Swipe Nav Rail for Tabs (Tabs, Categories, Filters) */
  .tdz-tabs-nav {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    justify-content: flex-start !important;
    padding: 4px 16px 12px 16px !important;
    margin: 0 -16px 24px -16px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }
  .tdz-tabs-nav::-webkit-scrollbar {
    display: none !important;
  }
  .tdz-tab-btn {
    flex-shrink: 0 !important;
    padding: 8px 16px !important;
    font-size: 0.8125rem !important;
    white-space: nowrap !important;
  }

  /* Grids Stack to 1 Column */
  .tdz-pricing-grid,
  .tdz-services-grid,
  .tdz-projects-grid,
  .tdz-contact-split-grid,
  .tdz-service-layout-grid,
  .tdz-bento-grid,
  .tdz-process-grid,
  .tdz-guarantee-matrix-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  /* Service Card Padding on Mobile */
  .tdz-service-section-card {
    padding: 20px 16px !important;
    border-radius: 14px !important;
    margin-bottom: 20px !important;
  }
  .tdz-service-card-title {
    font-size: 1.15rem !important;
    margin-bottom: 16px !important;
  }

  /* Bento Grid Cells on Mobile */
  .tdz-bento-cell {
    padding: 18px 16px !important;
  }
  .tdz-bento-item-title {
    font-size: 0.95rem !important;
  }
  .tdz-bento-item-desc {
    font-size: 0.8125rem !important;
  }

  /* Core Web Vitals 2x2 Matrix on Mobile */
  .tdz-cwv-kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    margin: 18px 0 !important;
  }
  .tdz-cwv-kpi-val {
    font-size: 1.5rem !important;
  }
  .tdz-cwv-kpi-metric {
    font-size: 0.75rem !important;
  }

  /* Sticky Pricing Card on Mobile */
  .tdz-sticky-pricing-card {
    padding: 20px 16px !important;
    border-radius: 14px !important;
  }
  .tdz-spc-amount-value:not(.tdz-spc-range-layout) {
    font-size: 1.5rem !important;
  }
  .tdz-spc-amount-value.tdz-spc-range-layout {
    font-size: clamp(0.8125rem, 3.8vw, 1.05rem) !important;
    white-space: nowrap !important;
  }

  /* Pricing Cards on Pricing Page */
  .tdz-price-card {
    padding: 24px 18px !important;
    border-radius: 16px !important;
  }
  .tdz-price-plan {
    font-size: 1.15rem !important;
  }
  .tdz-price-desc {
    min-height: auto !important;
    margin-bottom: 16px !important;
  }
  .tdz-price-btn {
    min-height: 44px !important;
    font-size: 0.875rem !important;
  }

  /* Calculator on Mobile */
  .tdz-calc-card {
    grid-template-columns: 1fr !important;
    padding: 22px 18px !important;
    gap: 20px !important;
    margin-top: 40px !important;
  }
  .tdz-calc-number {
    font-size: 2rem !important;
  }

  /* Tables: Smooth Horizontal Scroll & Touch */
  .tdz-compare-table-wrapper,
  .tdz-matrix-table-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 18px 0 !important;
    border-radius: 12px !important;
  }
  .tdz-compare-table,
  .tdz-matrix-table {
    min-width: 580px !important;
  }
  .tdz-compare-table th,
  .tdz-compare-table td,
  .tdz-matrix-table th,
  .tdz-matrix-table td {
    padding: 10px 12px !important;
    font-size: 0.8125rem !important;
  }

  /* Forms & Inputs: 16px to prevent iOS auto-zoom */
  input, select, textarea {
    font-size: 16px !important;
  }
  .tdz-form-row-2col {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* Footer on Mobile */
  .tdz-footer {
    padding: 50px 0 30px !important;
  }
  .tdz-footer-grid {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
    margin-bottom: 36px !important;
  }
  .tdz-footer-bottom {
    flex-direction: column !important;
    gap: 12px !important;
    text-align: center !important;
    font-size: 0.8125rem !important;
  }
  .tdz-footer-bottom > div:last-child {
    justify-content: center !important;
  }

  /* CTA Banner on Mobile */
  .tdz-cta-section {
    padding: 60px 0 !important;
  }
}

/* --------------------------------------------------------------------------
   4. EXTRA SMALL PHONES (Screen width <= 400px - iPhone SE, small Androids)
   -------------------------------------------------------------------------- */
@media (max-width: 400px) {
  .tdz-header-actions .tdz-btn-primary {
    padding: 6px 10px !important;
    font-size: 0.75rem !important;
  }
  .tdz-brand-title {
    font-size: 0.95rem !important;
  }
  .tdz-logo-img {
    height: 32px !important;
  }
  .tdz-cwv-kpi-val {
    font-size: 1.3rem !important;
  }
  .tdz-pcell-num {
    width: 26px !important;
    height: 26px !important;
    font-size: 0.75rem !important;
  }
}

/* ==========================================================================
   TDZ CIRCULAR PAGINATION (CÁC Ô TRÒN CHUYỂN TRANG CHUẨN NHẬN DIỆN TDZ)
   ========================================================================== */
.tdz-pagination-wrapper,
.navigation.pagination,
.ast-pagination {
  margin-top: 50px !important;
  margin-bottom: 30px !important;
  text-align: center !important;
  width: 100% !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.tdz-pagination-wrapper .screen-reader-text,
.navigation.pagination .screen-reader-text,
.ast-pagination .screen-reader-text {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
}

.tdz-pagination-wrapper .nav-links,
.navigation.pagination .nav-links,
.ast-pagination .nav-links {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 auto !important;
}

/* Base Circular Button: Perfect Circle */
.tdz-pagination-wrapper .page-numbers,
.navigation.pagination .nav-links .page-numbers,
.ast-pagination .page-numbers {
  width: 46px !important;
  height: 46px !important;
  min-width: 46px !important;
  max-width: 46px !important;
  min-height: 46px !important;
  max-height: 46px !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 50% !important;
  aspect-ratio: 1 / 1 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  font-family: 'Plus Jakarta Sans', sans-serif !important;
  font-size: 0.9375rem !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  letter-spacing: 0 !important;
  color: #1E293B !important;
  background: #FFFFFF !important;
  border: 1.5px solid #CBD5E1 !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05) !important;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
  cursor: pointer !important;
  vertical-align: middle !important;
  flex-shrink: 0 !important;
}

/* Hover effect on page numbers */
.tdz-pagination-wrapper a.page-numbers:hover,
.navigation.pagination .nav-links a.page-numbers:hover,
.ast-pagination a.page-numbers:hover {
  background: #E0F7FA !important;
  color: #0077B6 !important;
  border-color: #00B4D8 !important;
  transform: translateY(-2px) scale(1.06) !important;
  box-shadow: 0 8px 18px -2px rgba(0, 180, 216, 0.3) !important;
}

/* Active / Current Page Circle (Electric Cyan Gradient) */
.tdz-pagination-wrapper .page-numbers.current,
.navigation.pagination .nav-links .page-numbers.current,
.ast-pagination .page-numbers.current {
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%) !important;
  color: #000000 !important;
  border-color: transparent !important;
  font-weight: 800 !important;
  box-shadow: 0 4px 16px rgba(0, 180, 216, 0.45) !important;
  transform: scale(1.08) !important;
  cursor: default !important;
}

/* Prev and Next Arrow Circles */
.tdz-pagination-wrapper .prev.page-numbers,
.tdz-pagination-wrapper .next.page-numbers,
.navigation.pagination .nav-links .prev.page-numbers,
.navigation.pagination .nav-links .next.page-numbers,
.ast-pagination .prev.page-numbers,
.ast-pagination .next.page-numbers {
  background: #FFFFFF !important;
  border-color: #CBD5E1 !important;
  color: #0077B6 !important;
  font-size: 0.875rem !important;
}

.tdz-pagination-wrapper .prev.page-numbers:hover,
.tdz-pagination-wrapper .next.page-numbers:hover,
.navigation.pagination .nav-links .prev.page-numbers:hover,
.navigation.pagination .nav-links .next.page-numbers:hover,
.ast-pagination .prev.page-numbers:hover,
.ast-pagination .next.page-numbers:hover {
  background: linear-gradient(135deg, #00F0FF 0%, #00B4D8 100%) !important;
  color: #000000 !important;
  border-color: transparent !important;
  transform: translateY(-2px) scale(1.06) !important;
  box-shadow: 0 8px 18px -2px rgba(0, 180, 216, 0.35) !important;
}

/* Dots (...) Separator */
.tdz-pagination-wrapper .page-numbers.dots,
.navigation.pagination .nav-links .page-numbers.dots,
.ast-pagination .page-numbers.dots {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #94A3B8 !important;
  width: 28px !important;
  min-width: 28px !important;
  max-width: 28px !important;
  height: 46px !important;
  min-height: 46px !important;
  cursor: default !important;
  font-size: 1.125rem !important;
  letter-spacing: 2px !important;
}

/* Responsive adjustment for Mobile screens */
@media (max-width: 600px) {
  .tdz-pagination-wrapper .nav-links,
  .navigation.pagination .nav-links,
  .ast-pagination .nav-links {
    gap: 8px !important;
  }
  .tdz-pagination-wrapper .page-numbers,
  .navigation.pagination .nav-links .page-numbers,
  .ast-pagination .page-numbers {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    font-size: 0.875rem !important;
  }
}