/**
 * VNPT TP.HỒ CHÍ MINH — DESIGN SYSTEM 2026
 * File: assets/css/components.css
 * Thành phần giao diện nguyên tử: Buttons, Badges, Cards, Icon Boxes, Section Headers
 */

/* ==========================================================================
   1. SECTION HEADERS (TIÊU ĐỀ PHÂN KHU CHUẨN MỰC)
   ========================================================================== */
.vnpt-section-header {
  margin-bottom: clamp(32px, 4vw, 56px);
  position: relative;
}

.vnpt-section-header--center {
  text-align: center;
}

.vnpt-section-header__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--vnpt-bg-section-blue);
  color: var(--vnpt-primary-dark);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(0, 104, 255, 0.12);
}

.vnpt-section-header__badge i {
  font-size: 1rem;
  color: var(--vnpt-primary);
}

.vnpt-section-header__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--vnpt-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.vnpt-section-header__desc {
  font-size: var(--text-base);
  color: var(--vnpt-text-secondary);
  line-height: var(--line-height-body);
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 0;
}

.vnpt-section-header--left .vnpt-section-header__desc {
  margin-inline: 0;
}

.vnpt-section-header--dark .vnpt-section-header__title {
  color: #ffffff;
}

.vnpt-section-header--dark .vnpt-section-header__desc {
  color: rgba(234, 246, 255, 0.82);
}

.vnpt-section-header--dark .vnpt-section-header__badge {
  color: var(--vnpt-primary-dark);
  background: rgba(234, 244, 255, 0.96);
}

/* ==========================================================================
   2. CONVERSION CTA (KHỐI CTA DÙNG CHUNG)
   ========================================================================== */
.vnpt-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-6);
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid var(--vnpt-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
}

.vnpt-cta--dark {
  color: #ffffff;
  border-color: rgba(118, 207, 248, 0.22);
  background:
    radial-gradient(circle at 90% 20%, rgba(34, 184, 255, 0.18), transparent 35%),
    linear-gradient(120deg, rgba(8, 46, 107, 0.95), rgba(0, 82, 204, 0.92));
  box-shadow: var(--shadow-floating);
}

.vnpt-cta--light {
  background: var(--vnpt-gradient-card);
}

.vnpt-cta__content {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-4);
}

.vnpt-cta__icon {
  display: grid;
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  font-size: 1.25rem;
}

.vnpt-cta--light .vnpt-cta__icon {
  border-color: var(--vnpt-border);
  color: var(--vnpt-primary);
  background: var(--vnpt-bg-section-blue);
}

.vnpt-cta__eyebrow {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--vnpt-cyan);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vnpt-cta h3 {
  margin: 0;
  color: #ffffff;
  font-size: var(--text-xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.3;
}

.vnpt-cta--light h3 {
  color: var(--vnpt-text);
}

.vnpt-cta p {
  max-width: 68ch;
  margin: var(--space-2) 0 0;
  color: rgba(239, 249, 255, 0.82);
  font-size: var(--text-sm);
  line-height: var(--line-height-body);
}

.vnpt-cta--light p {
  color: var(--vnpt-text-secondary);
}

.vnpt-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

.vnpt-btn--ghost {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

@media (hover: hover) {
  .vnpt-btn--ghost:hover {
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.62);
    background: rgba(255, 255, 255, 0.16);
  }
}

.vnpt-cta--light .vnpt-btn--white {
  color: #ffffff !important;
  background: var(--vnpt-gradient-primary);
}

/* ==========================================================================
   2. BUTTONS (NÚT BẤM CHUẨN SAAS CÔNG NGHỆ - MỤC 9 AGENTS.MD)
   Chiều cao: 44-50px, bo góc 10-12px, cảm ứng >= 44px
   ========================================================================== */
.vnpt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 46px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.2s ease,
              border-color 0.2s ease,
              color 0.2s ease;
}

.vnpt-btn:focus-visible,
.vnpt-footer-action:focus-visible,
.vnpt-nav-hotline:focus-visible,
.vnpt-drawer-link:focus-visible,
.vnpt-drawer-sublink:focus-visible {
  outline: 0;
  box-shadow: var(--vnpt-focus-ring);
}

.vnpt-btn:disabled,
.vnpt-btn[aria-disabled="true"] {
  opacity: 0.6;
  pointer-events: none;
  cursor: not-allowed;
}

/* Nút chính: Gradient xanh VNPT */
.vnpt-btn--primary {
  color: #ffffff !important;
  background: var(--vnpt-gradient-primary);
  box-shadow: var(--shadow-btn);
  border-color: rgba(255, 255, 255, 0.15);
}

@media (hover: hover) {
  .vnpt-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
    color: #ffffff !important;
  }
}

.vnpt-btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(0, 104, 255, 0.3);
}

/* Nút phụ: Nền trắng viền xanh */
.vnpt-btn--secondary {
  color: var(--vnpt-primary) !important;
  background-color: #ffffff;
  border-color: var(--vnpt-border);
  box-shadow: var(--shadow-sm);
}

/* Outline dùng cho các CTA trên nền sáng và menu mobile. */
.vnpt-btn--outline {
  color: var(--vnpt-primary-dark) !important;
  background: var(--vnpt-bg);
  border-color: var(--vnpt-primary);
  box-shadow: none;
}

@media (hover: hover) {
  .vnpt-btn--outline:hover {
    color: var(--vnpt-primary-dark) !important;
    background: var(--vnpt-bg-light-blue);
    border-color: var(--vnpt-primary-dark);
  }
}

@media (hover: hover) {
  .vnpt-btn--secondary:hover {
    border-color: var(--vnpt-primary);
    background-color: var(--vnpt-bg-soft);
    color: var(--vnpt-primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 104, 255, 0.1);
  }
}

/* Nút trắng tinh khiết (nằm trên nền tối hoặc nền gradient) */
.vnpt-btn--white {
  color: var(--vnpt-primary-dark) !important;
  background-color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

@media (hover: hover) {
  .vnpt-btn--white:hover {
    background-color: var(--vnpt-bg-soft);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  }
}

/* Nút Text Link có mũi tên */
.vnpt-btn--link {
  min-height: auto;
  padding: 0;
  border-radius: 0;
  border: none;
  background: none;
  color: var(--vnpt-primary) !important;
  font-weight: var(--font-weight-bold);
  font-size: var(--text-base);
}

.vnpt-btn--link i {
  transition: transform 0.2s ease;
}

@media (hover: hover) {
  .vnpt-btn--link:hover i {
    transform: translateX(4px);
  }
}

/* Kích thước nút */
.vnpt-btn--sm {
  min-height: 38px;
  padding: 8px 16px;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

.vnpt-btn--lg {
  min-height: 52px;
  padding: 14px 28px;
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
}

.vnpt-btn--pill {
  border-radius: var(--radius-pill);
}

.vnpt-btn--full {
  width: 100%;
}

/* ==========================================================================
   3. BADGES (NHÃN DÁN THÔNG TIN NGẮN GỌN - MỤC 9 AGENTS.MD)
   ========================================================================== */
.vnpt-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  white-space: nowrap;
  background-color: var(--vnpt-bg-section-blue);
  color: var(--vnpt-primary-dark);
}

.vnpt-badge--success {
  background-color: var(--vnpt-success-bg);
  color: var(--vnpt-success);
  border: 1px solid var(--vnpt-success-border);
}

.vnpt-badge--warning {
  background-color: var(--vnpt-warning-bg);
  color: var(--vnpt-warning);
  border: 1px solid var(--vnpt-warning-border);
}

.vnpt-badge--danger {
  background-color: var(--vnpt-danger-bg);
  color: var(--vnpt-danger);
  border: 1px solid var(--vnpt-danger-border);
}

/* ==========================================================================
   4. CARDS (THẺ GIAO DIỆN CHUẨN SOFT UI - MỤC 9 AGENTS.MD)
   Bề mặt trắng, viền 1px subtle, bo góc 16-24px, đổ bóng nhẹ nhàng
   ========================================================================== */
.vnpt-card {
  position: relative;
  background-color: var(--vnpt-bg-card);
  border: 1px solid var(--vnpt-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .vnpt-card {
    padding: var(--space-8);
  }
}

@media (hover: hover) {
  .vnpt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0, 104, 255, 0.28);
  }
}

.vnpt-card--soft {
  background-color: var(--vnpt-bg-soft);
  border-color: var(--vnpt-border-subtle);
}

/* Khung hình ảnh 16:9 bên trong Card */
.vnpt-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
  background-color: var(--vnpt-bg-soft);
}

.vnpt-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

@media (hover: hover) {
  .vnpt-card:hover .vnpt-card__thumb img {
    transform: scale(1.04);
  }
}

.vnpt-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--vnpt-text);
  margin-bottom: var(--space-2);
  line-height: 1.35;
}

.vnpt-card__desc {
  font-size: var(--text-sm);
  color: var(--vnpt-text-secondary);
  line-height: var(--line-height-body);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

/* ==========================================================================
   5. ICON BOXES (KHỐI BIỂU TƯỢNG CÔNG NGHỆ)
   ========================================================================== */
.vnpt-icon-box {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--vnpt-bg-section-blue);
  color: var(--vnpt-primary);
  font-size: 1.35rem;
  flex-shrink: 0;
  transition: transform 0.25s ease, background 0.25s ease;
}

.vnpt-icon-box--primary {
  background: var(--vnpt-gradient-primary);
  color: #ffffff;
  box-shadow: var(--shadow-btn);
}

.vnpt-icon-box--circle {
  border-radius: var(--radius-pill);
}

@media (hover: hover) {
  .vnpt-card:hover .vnpt-icon-box {
    transform: scale(1.08);
  }
}

/* ==========================================================================
   6. BREADCRUMB (THANH ĐIỀU HƯỚNG VẾT BÁNH MÌ)
   ========================================================================== */
.vnpt-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  list-style: none;
}

.vnpt-breadcrumb a {
  color: var(--vnpt-text-muted);
  text-decoration: none;
}

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

.vnpt-breadcrumb__separator {
  color: var(--vnpt-text-light);
}

.vnpt-breadcrumb__current {
  color: var(--vnpt-text);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   7. HEADER & NAVIGATION SYSTEM (CHUẨN 72-80PX DESKTOP - MỤC 10 AGENTS.MD)
   ========================================================================== */
.vnpt-header {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 1030;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--vnpt-border);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

@media (max-width: 991.98px) {
  table:not(.vnpt-comparison-table) {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
}

.vnpt-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(7, 31, 70, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

/* Top Bar Desktop */
.vnpt-topbar {
  background: linear-gradient(100deg, var(--vnpt-dark-navy) 0%, var(--vnpt-navy) 60%, var(--vnpt-primary-dark) 100%);
  color: #eaf6ff;
  font-size: var(--text-xs);
  letter-spacing: 0.01em;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.vnpt-topbar a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.2s ease;
}

.vnpt-topbar a:hover {
  color: #ffe082;
}

.vnpt-topbar i {
  color: var(--vnpt-cyan);
}

/* Thanh Navbar chính */
.vnpt-navbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.vnpt-navbar__brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  flex-shrink: 0;
}

.vnpt-navbar__brand img {
  height: 44px;
  width: auto;
  max-width: min(180px, 42vw);
  object-fit: contain;
}

/* Menu điều hướng Desktop */
.vnpt-nav-menu {
  display: none;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 1200px) {
  .vnpt-nav-menu {
    display: flex;
  }
}

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

.vnpt-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 8px 12px !important;
  border-radius: var(--radius-md);
  color: var(--vnpt-text) !important;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.vnpt-nav-link i.bi-chevron-down {
  font-size: 0.7rem;
  color: var(--vnpt-text-muted);
  transition: transform 0.2s ease;
}

.vnpt-nav-link:hover,
.vnpt-nav-link:focus-visible {
  color: var(--vnpt-primary) !important;
  background-color: var(--vnpt-bg-soft);
}

.vnpt-nav-link.active,
.vnpt-nav-link[aria-current="page"] {
  color: var(--vnpt-primary) !important;
  background-color: var(--vnpt-bg-section-blue);
}

/* Dropdown Menu trên Desktop */
.vnpt-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 250px;
  width: max-content;
  max-width: min(380px, 90vw);
  padding: var(--space-2);
  border: 1px solid var(--vnpt-border);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  list-style: none;
  z-index: 1040;
}

/* Canh phải cho các mục dropdown gần mép phải màn hình tránh tràn ngang */
.vnpt-nav-item:last-child > .vnpt-dropdown-menu,
.vnpt-nav-item:nth-last-child(2) > .vnpt-dropdown-menu {
  left: auto;
  right: 0;
}

/* Tạo cầu nối hover để chuột không bị rơi ra ngoài dropdown */
.vnpt-nav-item.has-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 12px;
}

@media (min-width: 1200px) {
  .vnpt-nav-item.has-dropdown:hover > .vnpt-dropdown-menu,
  .vnpt-nav-item.has-dropdown:focus-within > .vnpt-dropdown-menu,
  .vnpt-nav-item.has-dropdown.is-open > .vnpt-dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
  .vnpt-nav-item.has-dropdown:hover > .vnpt-nav-link i.bi-chevron-down,
  .vnpt-nav-item.has-dropdown:focus-within > .vnpt-nav-link i.bi-chevron-down,
  .vnpt-nav-item.has-dropdown.is-open > .vnpt-nav-link i.bi-chevron-down {
    transform: rotate(180deg);
  }
}

.vnpt-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 42px;
  padding: 9px 13px;
  border-radius: var(--radius-md);
  color: var(--vnpt-text-secondary) !important;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.vnpt-dropdown-item:hover {
  color: var(--vnpt-primary) !important;
  background-color: var(--vnpt-bg-soft);
  transform: translateX(3px);
}

.vnpt-dropdown-item i {
  font-size: 1.1rem;
  color: var(--vnpt-primary);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* Cụm hành động bên phải Header */
.vnpt-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 575.98px) {
  .vnpt-header-actions .vnpt-btn {
    display: none !important;
  }
}

/* Nút Hotline nhanh trên Header */
.vnpt-nav-hotline {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--vnpt-bg-section-blue);
  color: var(--vnpt-primary-dark) !important;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--text-sm);
  border: 1px solid rgba(0, 104, 255, 0.15);
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

@media (min-width: 1280px) {
  .vnpt-nav-hotline {
    display: inline-flex;
  }
}

@media (min-width: 1200px) and (max-width: 1279.98px) {
  .vnpt-navbar {
    gap: var(--space-2);
  }
  .vnpt-nav-link {
    padding: 8px 8px !important;
    font-size: 0.85rem;
    gap: 4px;
  }
}


.vnpt-nav-hotline:hover {
  background: #dfeeff;
  transform: translateY(-1px);
}

.vnpt-nav-hotline i {
  color: var(--vnpt-primary);
  font-size: 1rem;
}

/* Nút Hamburger điều khiển Mobile Drawer */
.vnpt-hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--vnpt-bg-soft);
  color: var(--vnpt-primary);
  font-size: 1.5rem;
  border: 1px solid var(--vnpt-border);
  cursor: pointer;
}

@media (min-width: 1200px) {
  .vnpt-hamburger {
    display: none !important;
  }
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER (ACCESSIBLE OFFCANVAS)
   ========================================================================== */
.vnpt-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1045;
  background: rgba(7, 31, 70, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.vnpt-nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.vnpt-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1050;
  width: min(340px, 86vw);
  background: #ffffff;
  box-shadow: -10px 0 40px rgba(7, 31, 70, 0.16);
  display: none;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  -webkit-overflow-scrolling: touch;
}

.vnpt-nav-drawer.is-open {
  display: flex;
  animation: vnptDrawerSlideIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes vnptDrawerSlideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.vnpt-nav-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--vnpt-border);
}

.vnpt-nav-drawer__body {
  padding: var(--space-4);
  flex-grow: 1;
}

.vnpt-nav-drawer__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.vnpt-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--vnpt-text) !important;
  font-weight: var(--font-weight-bold);
  font-size: 0.95rem;
  text-decoration: none;
  background: transparent;
  width: 100%;
}

.vnpt-drawer-link:hover,
.vnpt-drawer-link.active {
  background: var(--vnpt-bg-soft);
  color: var(--vnpt-primary) !important;
}

.vnpt-drawer-submenu {
  display: none;
  padding: 6px 6px 6px 14px;
  margin: 2px 0 6px;
  background: var(--vnpt-bg-soft);
  border-radius: var(--radius-md);
  list-style: none;
}

.vnpt-drawer-submenu.is-expanded {
  display: block;
  animation: siteSlideDown 0.2s ease both;
}

.vnpt-drawer-sublink {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--vnpt-text-secondary) !important;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.vnpt-drawer-sublink:hover {
  color: var(--vnpt-primary) !important;
  background: #ffffff;
}

.vnpt-drawer-link[aria-expanded="true"] i.bi-chevron-down {
  transform: rotate(180deg);
}

@keyframes siteSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   8. FOOTER SYSTEM (NỀN DARK NAVY CAO CẤP - MỤC 10 AGENTS.MD)
   ========================================================================== */
.vnpt-site-footer,
.vnpt-footer {
  position: relative;
  margin-top: clamp(3.5rem, 7vw, 6.5rem);
  color: #eaf6ff;
  background:
    radial-gradient(circle at 8% 8%, rgba(34, 184, 255, 0.13), transparent 27%),
    radial-gradient(circle at 92% 35%, rgba(0, 104, 255, 0.14), transparent 28%),
    linear-gradient(145deg, #082b54 0%, var(--vnpt-dark-navy) 55%, #061a36 100%);
  border-top: 1px solid rgba(127, 205, 244, 0.16);
  isolation: isolate;
}

.vnpt-site-footer::before,
.vnpt-footer::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  content: '';
  pointer-events: none;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

.vnpt-footer-shell {
  width: min(100% - 2rem, 1200px);
  margin-inline: auto;
}

/* Khối Kicker Tư vấn trước Footer */
.vnpt-footer-consult {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.25rem;
  align-items: center;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgba(118, 207, 248, 0.22);
  border-radius: var(--radius-2xl);
  background: linear-gradient(120deg, rgba(8, 46, 107, 0.92), rgba(0, 104, 255, 0.8));
  box-shadow: 0 18px 42px rgba(0, 31, 78, 0.22);
  transform: translateY(-50%);
  margin-bottom: clamp(-2.5rem, -3vw, -1.5rem);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.vnpt-footer-consult-copy,
.vnpt-footer-consult__content {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 1rem;
}

.vnpt-footer-consult-icon,
.vnpt-footer-consult__icon {
  display: grid;
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.12);
  font-size: 1.35rem;
  color: #ffffff;
}

.vnpt-footer-kicker,
.vnpt-footer-consult__kicker {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--vnpt-cyan);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.vnpt-footer-consult-title {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.vnpt-footer-consult p {
  margin: 0.35rem 0 0;
  color: rgba(239, 249, 255, 0.82);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.vnpt-footer-consult-actions,
.vnpt-footer-consult__actions {
  display: flex;
  gap: 0.65rem;
}

.vnpt-footer-action {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  gap: 0.65rem;
  padding: 0.62rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.vnpt-footer-action:hover {
  transform: translateY(-2px);
}

.vnpt-footer-action > i {
  font-size: 1.1rem;
}

.vnpt-footer-action span,
.vnpt-footer-action small,
.vnpt-footer-action strong {
  display: block;
  line-height: 1.15;
}

.vnpt-footer-action small {
  margin-bottom: 0.22rem;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  opacity: 0.8;
}

.vnpt-footer-action strong {
  font-size: 0.92rem;
  font-weight: var(--font-weight-extrabold);
  white-space: nowrap;
}

.vnpt-footer-action-primary {
  color: var(--vnpt-primary-dark);
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(1, 31, 54, 0.2);
}

.vnpt-footer-action-primary:hover {
  color: var(--vnpt-primary);
  box-shadow: 0 14px 30px rgba(1, 31, 54, 0.26);
}

.vnpt-footer-action-secondary {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.09);
}

.vnpt-footer-action-secondary:hover {
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

/* Thân chính Footer */
.vnpt-footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) minmax(160px, 0.75fr) minmax(170px, 0.8fr) minmax(220px, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}

.vnpt-footer-logo-link {
  display: inline-block;
}

.vnpt-footer-logo {
  display: block;
  width: auto;
  max-width: 154px;
  height: 45px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.96;
}

.vnpt-footer-brand h2,
.vnpt-footer-brand h3,
.vnpt-footer-company-name {
  margin: 1rem 0 0.25rem;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.vnpt-footer-company-sub {
  max-width: 360px;
  margin: 0;
  color: #b4c9dc;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.vnpt-footer-contact-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.2rem 0 0;
  font-style: normal;
}

.vnpt-footer-contact-list > div {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
}

.vnpt-footer-contact-list > div > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--radius-sm);
  color: #38bdf8;
  background: rgba(14, 165, 233, 0.14);
  font-size: 0.88rem;
}

.vnpt-footer-contact-list p,
.vnpt-footer-contact-list small {
  display: block;
  margin: 0;
}

.vnpt-footer-contact-list p {
  color: #e2eef7;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.vnpt-footer-contact-list small {
  margin-bottom: 0.12rem;
  color: #8cb2ce;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.vnpt-footer-contact-list a {
  color: #e2eef7;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.18s ease;
}

.vnpt-footer-contact-list a:hover {
  color: #38bdf8;
}

.vnpt-footer-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.15rem;
}

.vnpt-footer-social a {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  color: #d1e2f0;
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
  transition: transform 0.18s ease, color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.vnpt-footer-social a:hover {
  color: #ffffff;
  background: var(--vnpt-primary);
  border-color: var(--vnpt-cyan);
  transform: translateY(-2px);
}

.vnpt-footer-social > span {
  margin-left: 0.35rem;
  color: #8cb2ce;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
}

.vnpt-footer-nav h3,
.vnpt-footer-service-desk > h3 {
  margin: 0.35rem 0 1rem;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.vnpt-footer-nav h3::after,
.vnpt-footer-service-desk > h3::after {
  display: block;
  width: 32px;
  height: 2px;
  margin-top: 0.55rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #38bdf8, transparent);
  content: '';
}

.vnpt-footer-nav ul {
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.vnpt-footer-nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #b4c9dc;
  font-size: var(--text-sm);
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.vnpt-footer-nav a i {
  flex: 0 0 auto;
  color: #38bdf8;
  font-size: 0.7rem;
  opacity: 0;
  transform: translate(-3px, 3px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.vnpt-footer-nav a:hover {
  padding-left: 0.35rem;
  color: #ffffff;
}

.vnpt-footer-nav a:hover i {
  opacity: 1;
  transform: translate(0, 0);
}

.vnpt-footer-service-desk {
  min-width: 0;
}

.vnpt-footer-desk-card {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 0.65rem;
  align-items: center;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: var(--radius-md);
  background: rgba(14, 45, 82, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.vnpt-footer-desk-card + .vnpt-footer-desk-card {
  margin-top: 0.6rem;
}

.vnpt-footer-desk-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius-sm);
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
}

.vnpt-footer-desk-card small,
.vnpt-footer-desk-card strong {
  display: block;
}

.vnpt-footer-desk-card small {
  color: #8cb2ce;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.vnpt-footer-desk-card strong {
  margin-top: 0.15rem;
  color: #ffffff;
  font-size: var(--text-sm);
  letter-spacing: 0.025em;
}

.vnpt-footer-coverage {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin: 0.75rem 0 0;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: #4ade80;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(74, 222, 128, 0.22);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  line-height: 1.45;
}

.vnpt-footer-coverage i {
  margin-top: 0.05rem;
  color: #4ade80;
}

/* Khối Thông tin Minh bạch Nhân sự (Thiết kế Soft Glassmorphism 2 cột thoáng đãng) */
.vnpt-footer-transparency {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem 1.35rem;
  border: 1px solid rgba(56, 189, 248, 0.24);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(8, 38, 74, 0.75) 0%, rgba(6, 26, 52, 0.9) 100%);
  box-shadow: 0 8px 24px rgba(0, 31, 78, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.vnpt-footer-transparency-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
  flex: 1 1 auto;
}

.vnpt-footer-transparency-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.vnpt-footer-transparency-title > span {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius-md);
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.28);
  font-size: 1.05rem;
}

.vnpt-footer-transparency-title small {
  display: block;
  color: #93c5fd;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vnpt-footer-transparency-title h2,
.vnpt-footer-transparency-title h3,
.vnpt-footer-transparency-heading {
  margin: 0.1rem 0 0;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.3;
}

.vnpt-footer-transparency p {
  margin: 0;
  color: #b8d0e5;
  font-size: 0.8125rem;
  line-height: 1.6;
}

.vnpt-footer-transparency p strong {
  color: #ffffff;
  font-weight: var(--font-weight-bold);
}

.vnpt-footer-transparency-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  flex: 0 0 auto;
}

.vnpt-footer-proof,
.vnpt-footer-proof-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.5rem 1.15rem;
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: var(--radius-pill);
  color: #ffffff;
  background: linear-gradient(135deg, rgba(0, 104, 255, 0.38) 0%, rgba(14, 165, 233, 0.38) 100%);
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.2);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vnpt-footer-proof:hover,
.vnpt-footer-proof-btn:hover {
  color: #ffffff;
  border-color: rgba(56, 189, 248, 0.85);
  background: linear-gradient(135deg, rgba(0, 104, 255, 0.68) 0%, rgba(14, 165, 233, 0.68) 100%);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.35);
  transform: translateY(-2px);
}

.vnpt-footer-proof:focus-visible,
.vnpt-footer-proof-btn:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.55);
  outline-offset: 3px;
}

.vnpt-footer-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 42px;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-pill);
  color: #4ade80;
  background: rgba(34, 197, 94, 0.12);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
}

.vnpt-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 1.5rem;
  color: #9cbacf;
  font-size: 0.8125rem;
}

.vnpt-footer-bottom p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
}

.vnpt-footer-bottom a {
  color: #c0d8ec;
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color 0.18s ease;
}

.vnpt-footer-bottom a:hover {
  color: #ffffff;
}

.vnpt-footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
  flex: 0 0 auto;
}

.vnpt-footer-admin {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   9. MOBILE DOCK & DESKTOP FLOATING CONTACT WIDGETS
   ========================================================================== */
.vnpt-mobile-contact,
.mobile-dock {
  display: none;
}

.vnpt-desktop-contact,
.desktop-widgets {
  position: fixed;
  z-index: 1040;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.vnpt-contact-fab {
  position: relative;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  color: #ffffff;
  box-shadow: 0 13px 28px rgba(15, 49, 73, 0.2);
  text-decoration: none;
  transition: transform 0.18s ease, border-radius 0.18s ease, box-shadow 0.18s ease;
}

.vnpt-contact-fab::before {
  position: absolute;
  right: calc(100% + 0.55rem);
  padding: 0.38rem 0.55rem;
  border-radius: var(--radius-sm);
  color: #ffffff;
  background: var(--vnpt-dark-navy);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
  content: attr(data-label);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-extrabold);
  opacity: 0;
  pointer-events: none;
  transform: translateX(5px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}

.vnpt-contact-fab:hover {
  border-radius: 13px;
  color: #ffffff;
  box-shadow: 0 17px 32px rgba(15, 49, 73, 0.27);
  transform: translateY(-3px);
}

.vnpt-contact-fab:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.vnpt-contact-fab-zalo {
  background: linear-gradient(135deg, #167ce9, #0561ca);
}

.vnpt-contact-fab-phone {
  background: linear-gradient(135deg, #16a36c, #07834f);
}

/* Nút Back to Top */
.vnpt-back-to-top {
  position: fixed;
  z-index: 1035;
  left: 24px;
  bottom: 24px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid #d6e4ee;
  border-radius: 14px;
  color: var(--vnpt-primary);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 25px rgba(20, 57, 83, 0.14);
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease, background 0.2s ease;
  backdrop-filter: blur(8px);
}

.vnpt-back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.vnpt-back-to-top:hover {
  color: #ffffff;
  background: var(--vnpt-primary);
}

/* ==========================================================================
   10. PROOF MODAL (CỬA SỔ XÁC MINH NHÂN SỰ CHUẨN A11Y)
   ========================================================================== */
.vnpt-proof-modal[hidden] {
  display: none !important;
}

.vnpt-proof-modal {
  position: fixed;
  z-index: 20000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--vnpt-text);
  font-family: var(--font-sans);
}

.vnpt-proof-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 31, 70, 0.74);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  cursor: pointer;
}

.vnpt-proof-dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  width: min(920px, 100%);
  height: min(94dvh, 980px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-2xl);
  background: #ffffff;
  box-shadow: 0 30px 90px rgba(3, 22, 52, 0.38);
  animation: siteModalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes siteModalPop {
  from { opacity: 0; transform: scale(0.96) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.vnpt-proof-header {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 44px;
  gap: 14px;
  align-items: center;
  padding: 20px 22px;
  border-bottom: 1px solid var(--vnpt-border);
  background: linear-gradient(135deg, #ffffff, #f4f8ff);
}

.vnpt-proof-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  color: #ffffff;
  background: var(--vnpt-gradient-primary);
  box-shadow: 0 9px 22px rgba(0, 104, 255, 0.2);
  font-size: 21px;
}

.vnpt-proof-badge {
  display: inline-flex;
  margin-bottom: 4px;
  color: var(--vnpt-primary-dark);
  font-size: 11px;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.vnpt-proof-header h3 {
  margin: 0;
  color: var(--vnpt-text);
  font-size: 21px;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.vnpt-proof-header p {
  margin: 4px 0 0;
  color: var(--vnpt-text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.vnpt-proof-close {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--vnpt-border);
  border-radius: 12px;
  color: var(--vnpt-text-secondary);
  background: #ffffff;
  font-size: 17px;
  cursor: pointer;
  transition: 0.2s ease;
}

.vnpt-proof-close:hover {
  border-color: #9cc8ff;
  color: var(--vnpt-primary);
  background: var(--vnpt-bg-light-blue);
}

.vnpt-proof-close:focus-visible,
.vnpt-proof-footer button:focus-visible,
.vnpt-proof-preview:focus-visible {
  outline: 3px solid rgba(0, 104, 255, 0.3);
  outline-offset: 2px;
}

.vnpt-proof-notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 22px;
  border-bottom: 1px solid #cfe2ff;
  color: #294c67;
  background: var(--vnpt-bg-section-blue);
  font-size: 13px;
  line-height: 1.55;
}

.vnpt-proof-notice i {
  flex: 0 0 auto;
  margin-top: 1px;
  color: var(--vnpt-primary);
  font-size: 17px;
}

.vnpt-proof-preview {
  min-height: 0;
  overflow: auto;
  padding: 24px;
  background: #e9f0f7;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.vnpt-proof-preview picture {
  display: block;
  width: min(760px, 100%);
  margin: auto;
}

.vnpt-proof-preview img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #d7e2ec;
  background: #ffffff;
  box-shadow: 0 12px 34px rgba(8, 46, 107, 0.14);
  pointer-events: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
}

.vnpt-proof-footer {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-top: 1px solid var(--vnpt-border);
  background: #ffffff;
}

.vnpt-proof-footer p {
  display: flex;
  gap: 7px;
  align-items: center;
  margin: 0;
  color: var(--vnpt-text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.vnpt-proof-footer p i {
  color: var(--vnpt-primary);
}

.vnpt-proof-footer button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 16px;
  border: 0;
  border-radius: 11px;
  color: #ffffff;
  background: var(--vnpt-gradient-primary);
  font: inherit;
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
}

body.vnpt-proof-opened,
body.vnpt-modal-opened {
  overflow: hidden !important;
}

body.vnpt-nav-opened {
  overflow: hidden;
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS CHO FOOTER & FLOATING WIDGETS
   ========================================================================== */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .vnpt-footer-main {
    grid-template-columns: minmax(230px, 1.2fr) minmax(155px, 0.8fr) minmax(180px, 0.9fr) minmax(210px, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 991.98px) {
  .vnpt-cta {
    grid-template-columns: 1fr;
  }

  .vnpt-cta__actions {
    justify-content: flex-start;
  }

  .vnpt-footer-consult {
    grid-template-columns: 1fr;
    transform: translateY(-32%);
    margin-bottom: -3.5rem;
  }
  .vnpt-footer-consult-actions {
    justify-content: flex-start;
  }
  .vnpt-footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }
  .vnpt-footer-brand {
    grid-column: 1 / -1;
  }
  .vnpt-footer-company-sub {
    max-width: none;
  }
  .vnpt-footer-service-desk {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    align-items: start;
  }
  .vnpt-footer-service-desk > h3,
  .vnpt-footer-coverage {
    grid-column: 1 / -1;
  }
  .vnpt-footer-desk-card + .vnpt-footer-desk-card {
    margin-top: 0;
  }
  .vnpt-footer-transparency {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.15rem;
  }
  .vnpt-footer-transparency-actions {
    justify-content: flex-start;
    width: 100%;
  }
  .vnpt-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding-bottom: 3.5rem;
  }
  .vnpt-footer-bottom-links {
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
  }
}

@media (max-width: 767.98px) {
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }
  .vnpt-site-footer,
  .vnpt-footer {
    margin-top: 5rem;
  }
  .vnpt-footer-shell {
    width: min(100% - 1.25rem, 1180px);
  }
  .vnpt-footer-consult {
    gap: 1rem;
    padding: 1rem;
    border-radius: 19px;
    transform: translateY(-25%);
    margin-bottom: -2.4rem;
  }

  .vnpt-cta {
    gap: var(--space-4);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
  }

  .vnpt-cta__content {
    align-items: flex-start;
  }

  .vnpt-cta__icon {
    flex-basis: 44px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
  }

  .vnpt-cta h3 {
    font-size: var(--text-lg);
  }

  .vnpt-cta__actions {
    width: 100%;
  }

  .vnpt-cta__actions .vnpt-btn {
    flex: 1 1 180px;
  }
  .vnpt-footer-consult-copy {
    align-items: flex-start;
  }
  .vnpt-footer-consult-icon {
    flex-basis: 43px;
    width: 43px;
    height: 43px;
    border-radius: 13px;
    font-size: 1rem;
  }
  .vnpt-footer-consult-title {
    font-size: 1.15rem;
  }
  .vnpt-footer-consult p {
    font-size: var(--text-xs);
  }
  .vnpt-footer-consult-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .vnpt-footer-action {
    min-height: 48px;
    padding: 0.55rem 0.65rem;
  }
  .vnpt-footer-action > i {
    font-size: 0.9rem;
  }
  .vnpt-footer-action strong {
    font-size: 0.8125rem;
  }
  .vnpt-footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem 1rem;
    padding-top: 2.8rem;
  }
  .vnpt-footer-brand {
    grid-column: 1 / -1;
  }
  .vnpt-footer-service-desk {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
  }
  .vnpt-footer-service-desk > h3,
  .vnpt-footer-coverage {
    grid-column: 1 / -1;
  }
  .vnpt-footer-desk-card + .vnpt-footer-desk-card {
    margin-top: 0;
  }
  .vnpt-footer-nav h3,
  .vnpt-footer-service-desk > h3 {
    font-size: 0.95rem;
  }
  .vnpt-footer-nav a {
    min-height: 44px;
    font-size: var(--text-xs);
  }
  .vnpt-footer-transparency {
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    padding: 1rem;
  }
  .vnpt-footer-transparency-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.6rem;
  }
  .vnpt-footer-proof,
  .vnpt-footer-verified {
    width: 100%;
    justify-content: center;
  }
  .vnpt-footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 2rem;
  }
  .vnpt-footer-bottom-links {
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
  }

  /* Dock liên hệ trên Mobile */
  .vnpt-mobile-contact,
  .mobile-dock {
    position: fixed;
    z-index: 1050;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding: 0.42rem 0.55rem calc(0.42rem + env(safe-area-inset-bottom, 0px));
    background: rgba(250, 253, 255, 0.95);
    box-shadow: 0 -8px 30px rgba(21, 54, 78, 0.13);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }
  .vnpt-mobile-contact-inner {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 0.42rem;
    max-width: 540px;
    margin-inline: auto;
  }
  .vnpt-mobile-contact a {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.42rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 15px;
    text-decoration: none;
  }
  .vnpt-mobile-contact a > i {
    font-size: 1rem;
  }
  .vnpt-mobile-contact a span,
  .vnpt-mobile-contact a small,
  .vnpt-mobile-contact a strong {
    display: block;
    min-width: 0;
    line-height: 1.1;
  }
  .vnpt-mobile-contact a small {
    margin-bottom: 0.12rem;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    opacity: 0.78;
  }
  .vnpt-mobile-contact a strong {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-extrabold);
    white-space: nowrap;
  }
  .vnpt-mobile-contact-zalo {
    border-color: #c8def6 !important;
    color: #0965c0 !important;
    background: #edf6ff;
  }
  .vnpt-mobile-contact-phone {
    color: #ffffff !important;
    background: linear-gradient(135deg, #ee3c43, #d9202c);
    box-shadow: 0 7px 18px rgba(222, 35, 46, 0.22);
  }
  .vnpt-contact-status {
    position: absolute;
    top: 8px;
    right: 12px;
    width: 7px;
    height: 7px;
    border: 2px solid #edf6ff;
    border-radius: 50%;
    background: var(--vnpt-success);
    box-sizing: content-box;
  }
  .vnpt-desktop-contact,
  .desktop-widgets {
    display: none !important;
  }
  .vnpt-back-to-top {
    left: 12px;
    bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }
  .vnpt-proof-modal {
    padding: 8px;
  }
  .vnpt-proof-dialog {
    width: 100%;
    height: calc(100dvh - 16px);
    border-radius: 18px;
  }
  .vnpt-proof-header {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    gap: 10px;
    padding: 14px;
  }
  .vnpt-proof-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    font-size: 18px;
  }
  .vnpt-proof-header h3 {
    font-size: 17px;
  }
  .vnpt-proof-header p {
    font-size: 12px;
  }
  .vnpt-proof-close {
    width: 42px;
    height: 42px;
  }
  .vnpt-proof-notice {
    padding: 11px 14px;
    font-size: 12px;
  }
  .vnpt-proof-preview {
    padding: 12px;
  }
  .vnpt-proof-footer {
    gap: 10px;
    padding: 12px 14px;
  }
  .vnpt-proof-footer p {
    font-size: 11px;
  }
  .vnpt-proof-footer button {
    flex: 0 0 auto;
  }
}

@media (max-width: 419.98px) {
  .vnpt-footer-consult-actions {
    grid-template-columns: 1fr;
  }
  .vnpt-footer-main {
    grid-template-columns: 1fr;
  }
  .vnpt-footer-brand,
  .vnpt-footer-service-desk {
    grid-column: auto;
  }
  .vnpt-footer-service-desk {
    grid-template-columns: 1fr;
  }
  .vnpt-footer-service-desk > h3,
  .vnpt-footer-coverage {
    grid-column: auto;
  }
  .vnpt-mobile-contact a {
    padding-inline: 0.45rem;
  }
  .vnpt-mobile-contact a strong {
    font-size: var(--text-xs);
  }
  .vnpt-proof-footer p {
    align-items: flex-start;
  }
  .vnpt-proof-footer p i {
    margin-top: 2px;
  }
  .vnpt-proof-footer button {
    padding-right: 13px;
    padding-left: 13px;
  }
  .vnpt-proof-badge {
    font-size: 10px;
  }
  .vnpt-proof-header h3 {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vnpt-footer-action,
  .vnpt-footer-social a,
  .vnpt-footer-nav a,
  .vnpt-footer-nav a i,
  .vnpt-contact-fab,
  .vnpt-contact-fab::before,
  .vnpt-back-to-top {
    scroll-behavior: auto;
    transition: none !important;
  }
}

@media print {
  .vnpt-proof-modal,
  .vnpt-mobile-contact,
  .vnpt-desktop-contact,
  .vnpt-back-to-top {
    display: none !important;
  }
}