/**
 * Tín Quang Industrial Core Design System
 * Based on DESIGN.md specification
 */

:root {
  /* Colors */
  --color-surface: #f9f9ff;
  --color-surface-dim: #cfdaf2;
  --color-surface-bright: #f9f9ff;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f0f3ff;
  --color-surface-container: #e7eeff;
  --color-surface-container-high: #dee8ff;
  --color-surface-container-highest: #d8e3fb;
  --color-surface-variant: #d8e3fb;

  --color-on-surface: #111c2d;
  --color-on-surface-variant: #5d403b;
  --color-inverse-surface: #263143;
  --color-inverse-on-surface: #ecf1ff;

  --color-outline: #916f6a;
  --color-outline-variant: #e6bdb7;
  --color-surface-tint: #bf080b;

  --color-primary: #da251d;
  --color-primary-dark: #b40006;
  --color-on-primary: #ffffff;
  --color-primary-container: #da251d;
  --color-on-primary-container: #fff3f1;
  --color-inverse-primary: #ffb4a9;

  --color-secondary: #3a5f94;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #9fc2fe;
  --color-on-secondary-container: #294f83;

  --color-tertiary: #55595b;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #6e7173;
  --color-on-tertiary-container: #f4f6f8;

  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #93000a;

  --color-primary-fixed: #ffdad5;
  --color-primary-fixed-dim: #ffb4a9;
  --color-on-primary-fixed: #410001;
  --color-on-primary-fixed-variant: #930004;

  --color-secondary-fixed: #d5e3ff;
  --color-secondary-fixed-dim: #a7c8ff;
  --color-on-secondary-fixed: #001b3c;
  --color-on-secondary-fixed-variant: #1f477b;

  --color-tertiary-fixed: #e0e3e5;
  --color-tertiary-fixed-dim: #c4c7c9;
  --color-on-tertiary-fixed: #191c1e;
  --color-on-tertiary-fixed-variant: #444749;

  --color-background: #f9f9ff;
  --color-on-background: #111c2d;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-icon: 'Material Symbols Outlined';

  /* Spacing (8px grid) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 48px;
  --spacing-xxl: 80px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-technical: 0 4px 6px -1px rgba(0, 51, 102, 0.1), 0 2px 4px -1px rgba(0, 51, 102, 0.06);
  --shadow-card-hover: 0 8px 30px -4px rgba(0, 51, 102, 0.12);
  --shadow-button: 0 4px 14px 0 rgba(218, 37, 29, 0.3);

  /* Container */
  --container-max-width: 1280px;
}

/* Reset & Base Setup */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-on-surface);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--color-on-surface);
  background-color: var(--color-background);
  font-family: var(--font-family-base);
  overflow-x: hidden;
}

/* Typography styles matching DESIGN.md */
.font-display-lg {
  font-family: var(--font-family-base);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.font-headline-lg {
  font-family: var(--font-family-base);
  font-size: 32px;
  font-weight: 700;
  line-height: 40px;
}

.font-headline-md {
  font-family: var(--font-family-base);
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
}

.font-body-lg {
  font-family: var(--font-family-base);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
}

.font-body-md {
  font-family: var(--font-family-base);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
}

.font-label-md {
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  letter-spacing: 0.05em;
}

.font-caption {
  font-family: var(--font-family-base);
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
}

@media (max-width: 768px) {
  .font-display-lg {
    font-size: 32px;
    line-height: 1.2;
  }

  .font-headline-lg {
    font-size: 26px;
    line-height: 34px;
  }

  .font-headline-md {
    font-size: 20px;
    line-height: 28px;
  }
}

/* Material Icons */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* Container */
.tq-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

/* Layout Elements */
.site-main {
  flex: 1 0 auto;
  width: 100%;
  padding-top: 136px;
  background-color: var(--color-background);
}

@media (max-width: 1024px) {
  .site-main {
    padding-top: 120px;
  }
}

/* Header & Topbar */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-surface-container-lowest);
  border-bottom: 1px solid rgba(216, 227, 251, 0.4);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.site-topbar {
  background-color: var(--color-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}

.site-topbar .tq-container {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-contact {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s ease;
}

.topbar-item:hover {
  color: #ffffff;
}

.topbar-item .material-symbols-outlined {
  font-size: 16px;
}

.topbar-lang {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  color: rgba(255, 255, 255, 0.88) !important;
  font-size: 13px !important;
  line-height: 1 !important;
}

.lang-btn {
  cursor: pointer !important;
  background: none !important;
  border: none !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: rgba(255, 255, 255, 0.7) !important;
  transition: color 0.2s !important;
  padding: 0 !important;
  margin: 0 !important;
  text-decoration: none !important;
  line-height: 1 !important;
  display: inline-block !important;
}

.lang-btn.active,
.lang-btn:hover {
  color: #ffffff !important;
  text-decoration: none !important;
}

.lang-sep {
  opacity: 0.5 !important;
  line-height: 1 !important;
  display: inline-block !important;
  font-size: 13px !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Main Navigation Bar */
.main-header-row {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 1024px) {
  .main-header-row {
    height: 80px;
  }
}

.site-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo-img,
.woocommerce img.site-logo-img,
.woocommerce-page img.site-logo-img {
  height: 70px !important;
  width: auto !important;
  object-fit: contain !important;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  height: 100%;
  margin: 0;
  padding: 0;
}

@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
}

.desktop-nav>li {
  position: relative;
  display: block;
  margin: 0;
}

.desktop-nav a {
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-on-surface);
  text-decoration: none;
  letter-spacing: 0.05em;
  padding: 30px 0;
  display: block;
  position: relative;
  transition: color 0.2s ease;
  text-transform: uppercase;
}

.desktop-nav a:hover,
.desktop-nav .current-menu-item>a,
.desktop-nav .current-menu-ancestor>a {
  color: var(--color-primary);
}

/* Active indicator for top-level menu items (using ::before to prevent conflicts with dropdown indicators) */
.desktop-nav>li.current-menu-item>a::before,
.desktop-nav>li.current-menu-ancestor>a::before {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

/* Menu items with dropdown indicator */
.desktop-nav .menu-item-has-children>a {
  padding-right: 12px;
}

.desktop-nav .menu-item-has-children>a::after {
  content: '';
  display: inline-block;
  margin-left: 6px;
  vertical-align: middle;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  transition: transform 0.2s ease;
}

.desktop-nav .menu-item-has-children:hover>a::after {
  transform: rotate(180deg);
}

/* Sub-menu Dropdown Styling */
.desktop-nav .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 230px;
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-surface-variant);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-radius: 6px;
  list-style: none;
  padding: 8px 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 999;
}

.desktop-nav li:hover>.sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

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

.desktop-nav .sub-menu a {
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  display: block;
  transition: all 0.2s ease;
}

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

.desktop-nav .sub-menu a:hover {
  background-color: var(--color-surface-container-low);
  color: var(--color-primary);
  padding-left: 24px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-action-btn,
.tq-header-action-btn {
  width: 40px !important;
  height: 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: transparent !important;
  border: none !important;
  color: var(--color-on-surface) !important;
  cursor: pointer !important;
  border-radius: 4px !important;
  padding: 0 !important;
  margin: 0 !important;
  transition: color 0.2s ease, background-color 0.2s ease !important;
  box-shadow: none !important;
}

.header-action-btn:hover,
.tq-header-action-btn:hover {
  color: var(--color-primary) !important;
  background-color: var(--color-surface-container) !important;
}

.tq-header-action-btn svg {
  width: 24px !important;
  height: 24px !important;
  display: inline-block !important;
  fill: none !important;
  stroke: currentColor !important;
}

.mobile-menu-toggle {
  display: none !important;
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex !important;
  }
}

/* Mobile Nav Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background-color: #ffffff;
  z-index: 2000;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-surface-variant);
  margin-bottom: var(--spacing-md);
}

.mobile-drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-on-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.mobile-drawer-close:hover {
  background-color: var(--color-surface-container);
}

.mobile-drawer-close svg {
  width: 24px;
  height: 24px;
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.mobile-nav-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-on-surface);
  text-decoration: none;
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-surface-container-low);
  transition: color 0.2s;
}

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

/* Mobile Submenu Styling */
.mobile-nav .sub-menu {
  list-style: none !important;
  padding-left: var(--spacing-lg) !important;
  margin: var(--spacing-xs) 0 0 0 !important;
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  border-left: 2px solid var(--color-surface-variant);
}

.mobile-nav .sub-menu li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.mobile-nav .sub-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  display: block;
  padding: 6px 0;
  border-bottom: none !important;
  transition: color 0.2s;
}

.mobile-nav .sub-menu a:hover {
  color: var(--color-primary);
}

/* Parent items padding right adjustment */
.mobile-nav .menu-item-has-children {
  position: relative;
}

.mobile-nav .menu-item-has-children > a {
  padding-right: 48px !important;
}

/* Submenu Toggle Button */
.sub-menu-toggle-btn {
  position: absolute;
  right: 0;
  top: 0;
  height: 40px;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  z-index: 5;
  transition: transform 0.2s ease, color 0.2s ease;
  border-radius: 4px;
  padding: 0;
}

.sub-menu-toggle-btn:hover {
  background-color: var(--color-surface-container);
  color: var(--color-primary);
}

.sub-menu-toggle-btn.active {
  transform: rotate(180deg);
}

.sub-menu-toggle-btn svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 27, 60, 0.5);
  backdrop-filter: blur(2px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* TQ Fullscreen Search Modal */
.tq-search-modal {
  position: fixed !important;
  inset: 0 !important;
  background-color: rgba(0, 15, 35, 0.96) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  z-index: 2200 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.3s ease, visibility 0.3s ease !important;
}

.tq-search-modal.open {
  opacity: 1 !important;
  visibility: visible !important;
}

.tq-search-box {
  width: 90% !important;
  max-width: 750px !important;
  position: relative !important;
  text-align: left !important;
  padding: 20px !important;
}

.tq-search-form {
  display: flex !important;
  align-items: center !important;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3) !important;
  padding-bottom: 12px !important;
  margin-bottom: 20px !important;
  transition: border-color 0.3s ease !important;
  background: transparent !important;
  box-shadow: none !important;
  border-top: none !important;
  border-left: none !important;
  border-right: none !important;
  border-radius: 0 !important;
}

.tq-search-form:focus-within {
  border-bottom-color: var(--color-primary) !important;
}

.tq-search-input {
  flex: 1 !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  color: #ffffff !important;
  font-size: 26px !important;
  height: 56px !important;
  font-family: var(--font-family-base) !important;
  padding: 0 !important;
  margin: 0 !important;
  box-shadow: none !important;
  min-height: 0 !important;
  line-height: 56px !important;
}

.tq-search-input::placeholder {
  color: rgba(255, 255, 255, 0.45) !important;
}

.tq-search-submit {
  background: transparent !important;
  border: none !important;
  color: rgba(255, 255, 255, 0.7) !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 12px !important;
  height: 56px !important;
  transition: color 0.2s ease, transform 0.2s ease !important;
  min-height: 0 !important;
  box-shadow: none !important;
  margin: 0 !important;
}

.tq-search-submit:hover {
  color: var(--color-primary) !important;
  transform: scale(1.08) !important;
  background: transparent !important;
}

.tq-search-submit svg {
  width: 28px !important;
  height: 28px !important;
  stroke: currentColor !important;
  stroke-width: 2.5px !important;
  fill: none !important;
  display: inline-block !important;
}

/* Nút close ở góc trên bên phải */
.tq-search-close {
  position: absolute !important;
  top: -80px !important;
  /* Đặt lơ lửng phía trên form ở màn hình nhỏ hoặc tùy biến */
  right: 0 !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  background-color: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: rgba(255, 255, 255, 0.8) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  z-index: 2210 !important;
  padding: 0 !important;
  margin: 0 !important;
  min-height: 0 !important;
  box-shadow: none !important;
}

@media (min-width: 1024px) {
  .tq-search-close {
    position: fixed !important;
    top: 40px !important;
    right: 40px !important;
  }
}

.tq-search-close:hover {
  background-color: rgba(255, 255, 255, 0.18) !important;
  color: #ffffff !important;
  transform: rotate(90deg) !important;
}

.tq-search-close svg {
  width: 20px !important;
  height: 20px !important;
  stroke: currentColor !important;
  stroke-width: 2.5px !important;
  fill: none !important;
  display: inline-block !important;
}

/* Từ khóa gợi ý */
.tq-search-suggestions {
  margin-top: 16px !important;
  font-size: 14px !important;
  color: rgba(255, 255, 255, 0.5) !important;
  font-family: var(--font-family-base) !important;
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 8px !important;
}

.tq-search-suggestions span {
  margin-right: 4px !important;
}

.tq-suggestion-link {
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none !important;
  padding: 4px 10px !important;
  background-color: rgba(255, 255, 255, 0.06) !important;
  border-radius: 4px !important;
  transition: all 0.2s ease !important;
  cursor: pointer !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.tq-suggestion-link:hover {
  background-color: rgba(255, 255, 255, 0.15) !important;
  color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
}

/* Footer Section */
.site-footer {
  width: 100%;
  background-color: var(--color-on-secondary-fixed);
  color: var(--color-on-secondary);
  padding-top: var(--spacing-xxl);
  padding-bottom: var(--spacing-lg);
  border-top: 6px solid var(--color-primary);
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 4fr 2fr 2fr 4fr;
  }
}

.footer-logo-wrapper {
  background-color: var(--color-surface-container-lowest);
  display: inline-block;
  padding: var(--spacing-sm);
  border-radius: 6px;
  margin-bottom: var(--spacing-md);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-desc {
  font-size: 15px;
  line-height: 24px;
  color: var(--color-surface-variant);
  margin-bottom: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-sm);
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(213, 227, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface-variant);
  text-decoration: none;
  transition: all 0.25s ease;
}

.social-icon-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-heading {
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-fixed);
  margin-bottom: var(--spacing-lg);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-link-item a {
  font-size: 15px;
  color: var(--color-surface-variant);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: color 0.2s, transform 0.2s;
}

.footer-link-item a:hover {
  color: var(--color-primary-fixed-dim);
  transform: translateX(4px);
}

.footer-link-item .material-symbols-outlined {
  font-size: 16px;
  opacity: 0.5;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  font-size: 15px;
  color: var(--color-surface-variant);
}

.footer-contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.footer-contact-row .material-symbols-outlined {
  color: var(--color-primary-fixed-dim);
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-contact-row a {
  color: var(--color-surface-variant);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact-row a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(216, 227, 251, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  font-size: 13px;
  color: rgba(216, 227, 251, 0.7);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-bottom-links a {
  color: rgba(216, 227, 251, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Generic Button & UI Utilities */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 16px 48px;
  border-radius: 4px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px 0 rgba(218, 37, 29, 0.35);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--color-surface-tint);
  box-shadow: 0 6px 20px 0 rgba(218, 37, 29, 0.45);
  transform: translateY(-2px);
}

.btn-link-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s, transform 0.2s;
}

.btn-link-more:hover {
  color: var(--color-surface-tint);
}

.btn-link-more:hover .material-symbols-outlined {
  transform: translateX(4px);
}

.btn-link-more .material-symbols-outlined {
  transition: transform 0.2s ease;
}

/* ==========================================================================
   Holiday Notification Popup Modal
   ========================================================================== */
.holiday-popup-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.holiday-popup-modal.active {
  opacity: 1;
  visibility: visible;
}

.holiday-popup-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 27, 60, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.holiday-popup-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15);
  transform: scale(0.92) translateY(12px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  background-color: #ffffff;
}

.holiday-popup-modal.active .holiday-popup-container {
  transform: scale(1) translateY(0);
}

.holiday-popup-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 30;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.holiday-popup-close-btn:hover {
  background-color: var(--color-primary);
  transform: scale(1.1) rotate(90deg);
}

.holiday-popup-close-btn .material-symbols-outlined {
  font-size: 20px;
}

.holiday-popup-content {
  position: relative;
  width: 100%;
  line-height: 0;
  max-height: 85vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.holiday-popup-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Product Highlights Custom Styling */
.tinquang-highlights ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: var(--spacing-sm) !important;
}

.tinquang-highlights li {
  position: relative !important;
  padding-left: 28px !important;
  font-size: 16px !important;
  color: var(--color-on-surface-variant) !important;
  line-height: 24px !important;
}

.tinquang-highlights li::before {
  content: 'check_circle' !important;
  font-family: 'Material Symbols Outlined' !important;
  position: absolute !important;
  left: 0 !important;
  top: 2px !important;
  font-size: 20px !important;
  color: var(--color-primary) !important;
  font-weight: normal !important;
  font-style: normal !important;
  line-height: 1 !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  word-wrap: normal !important;
  white-space: nowrap !important;
  direction: ltr !important;
  -webkit-font-smoothing: antialiased !important;
}

/* TQ Back to Top Button */
.tq-back-to-top {
  position: fixed !important;
  bottom: 40px !important;
  /* Đẩy cao lên một chút để tránh đè các nút hotline/zalo nổi bên phải */
  right: 14px !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  background-color: var(--color-primary) !important;
  color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  box-shadow: 0 4px 12px rgba(218, 37, 29, 0.3) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease, background-color 0.2s ease !important;
  z-index: 999 !important;
  border: none !important;
  text-decoration: none !important;
}

.tq-back-to-top.show {
  opacity: 1 !important;
  visibility: visible !important;
}

.tq-back-to-top:hover {
  background-color: var(--color-primary-dark) !important;
  transform: translateY(-3px) !important;
  color: #ffffff !important;
}

.tq-back-to-top svg {
  width: 20px !important;
  height: 20px !important;
  stroke: #ffffff !important;
  stroke-width: 3px !important;
  fill: none !important;
  display: inline-block !important;
}