/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
  /* Color Palette */
  --primary: #0A65DD;                     /* Main Blue */
  --primary-hover: #0852B3;
  --primary-light: #87E3FD;                /* Accent Cyan */
  --primary-gradient: linear-gradient(135deg, #0A65DD, #87E3FD);
  --primary-alpha: rgba(10, 101, 221, 0.08);
  --dark-slate: hsl(222, 47%, 12%);       /* Dark Neutral #101827 */
  --dark-gray: hsl(220, 9%, 30%);         /* Muted text */
  --light-gray: hsl(210, 20%, 98%);       /* Backgrounds */
  --border-color: hsl(210, 16%, 93%);
  --white: hsl(0, 0%, 100%);
  --error: hsl(354, 70%, 54%);

  /* Typography */
  --font-family-sans: "Inter", sans-serif;
  --font-family-heading: "Inter", sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 20px -5px rgba(16, 24, 39, 0.04), 0 3px 8px -1px rgba(16, 24, 39, 0.02);
  --shadow-lg: 0 20px 40px -15px rgba(16, 24, 39, 0.08), 0 1px 3px rgba(16, 24, 39, 0.04);
  --shadow-primary: 0 15px 30px -10px rgba(10, 101, 221, 0.25), 0 1px 3px rgba(10, 101, 221, 0.05);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-family-sans);
  color: var(--dark-slate);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

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

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.main-header.scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.menu-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--light-gray);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--dark-slate);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dark-slate);
}

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

.logo-svg {
  height: 30px;
  width: auto;
  color: var(--primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-slate);
}

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

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-btn {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-slate);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.dropdown-btn:hover {
  color: var(--primary);
}

.chevron-icon {
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .chevron-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 240px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark-slate);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover {
  background-color: var(--light-gray);
  color: var(--primary);
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.4rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: background-color var(--transition-fast);
}

.lang-selector:hover {
  background-color: var(--light-gray);
}

.globe-icon {
  color: var(--dark-slate);
}

.search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 50%;
  color: var(--dark-slate);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.search-btn:hover {
  background-color: var(--light-gray);
  color: var(--primary);
}

/* ==========================================================================
   MOBILE DRAWER
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: -320px;
  width: 300px;
  height: 100vh;
  background-color: var(--white);
  z-index: 1002;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transition: left var(--transition-normal);
}

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

.drawer-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-family: var(--font-family-heading);
  font-weight: 700;
  font-size: 1.25rem;
}

.close-drawer-btn {
  font-size: 2rem;
  line-height: 1;
  color: var(--dark-gray);
}

.drawer-content {
  padding: 1.5rem;
  flex: 1;
  overflow-y: auto;
}

.drawer-section {
  margin-bottom: 2rem;
}

.drawer-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--dark-gray);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.drawer-section ul {
  list-style: none;
}

.drawer-section ul li {
  margin-bottom: 0.75rem;
}

.drawer-section ul li a {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 0;
}

.drawer-section ul li a:hover {
  color: var(--primary);
}

.drawer-lang-options {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.lang-option {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

.lang-option.active {
  background-color: var(--primary-alpha);
  border-color: var(--primary);
  color: var(--primary);
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(16, 24, 39, 0.4);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: 130px; /* Offset for Header */
  padding-bottom: 60px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  display: flex;
  align-items: center;
}

.hero-left-content {
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  max-width: 650px;
}

.hero-title {
  font-family: var(--font-family-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--white);
  color: var(--dark-slate);
  padding: 0.9rem 1.8rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.hero-cta-btn svg {
  transition: transform var(--transition-fast);
}

.hero-cta-btn:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.hero-cta-btn:hover svg {
  transform: translateX(4px);
}

.hero-download-block {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.hero-download-text {
  font-family: var(--font-family-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-download-buttons {
  display: flex;
  gap: 0.8rem;
}

.hero-download-buttons img {
  height: 38px;
  width: auto;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.hero-download-buttons a:hover img {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

@media (max-width: 992px) {
  .hero-download-block {
    align-items: center;
    text-align: center;
  }
}





/* ==========================================================================
   SERVICES & TABS SECTION
   ========================================================================== */
.services-section {
  padding: 5rem 0;
  background-color: var(--white);
}

.services-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-family: var(--font-family-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 3rem;
  max-width: 800px;
}

.tab-navigation {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  gap: 2.5rem;
  margin-bottom: 3rem;
  overflow-x: auto;
  scrollbar-width: none; /* Hide scrollbar Firefox */
}

.tab-navigation::-webkit-scrollbar {
  display: none; /* Hide scrollbar Chrome/Safari */
}

.tab-btn {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-gray);
  padding: 1rem 0;
  position: relative;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  font-weight: 700;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-panels {
  position: relative;
}

.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Services Grid Layout */
.services-grid {
  display: flex;
  flex-direction: column;
}

.service-category {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1.5px solid var(--border-color);
  align-items: flex-start;
}

.service-category:last-child {
  border-bottom: none;
}

.category-title {
  font-family: var(--font-family-heading);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--dark-slate);
  line-height: 1.2;
}

.category-items {
  display: flex;
  flex-direction: column;
}

.service-item {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1.5px solid var(--border-color);
  transition: transform var(--transition-fast);
}

.service-item:first-child {
  padding-top: 0;
}

.service-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.service-item:hover {
  transform: translateY(-2px);
}

.service-icon-bg {
  width: 48px;
  height: 48px;
  background-color: var(--primary-alpha);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.service-icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.service-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.service-info p {
  font-size: 0.9rem;
  color: var(--dark-gray);
  line-height: 1.4;
}

.more-services-link {
  margin-top: 3.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.more-services-link a {
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.more-services-link a:hover {
  color: var(--primary-hover);
}

.more-services-link .plus {
  font-size: 1.2rem;
}

/* ==========================================================================
   CONTRIBUTIONS SECTION (CAROUSEL)
   ========================================================================== */
.contributions-section {
  padding: 6rem 0;
  background-color: var(--light-gray);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.contributions-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.contributions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.contributions-header .section-title {
  margin-bottom: 0;
}

.carousel-controls {
  display: flex;
  gap: 0.75rem;
}

.ctrl-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background-color: var(--white);
  color: var(--dark-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.ctrl-btn:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.carousel-track-wrapper {
  overflow: visible; /* To allow slide cut-offs beautifully */
}

.carousel-track {
  display: flex;
  gap: 1.75rem;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel-card {
  flex: 0 0 calc((100% - 3.5rem) / 3);
  min-width: 320px;
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.carousel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--dark-slate), var(--dark-gray));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-img-placeholder.g1 {
  background: linear-gradient(135deg, hsl(215, 60%, 30%), hsl(215, 100%, 15%));
}

.card-img-placeholder.g2 {
  background: linear-gradient(135deg, hsl(210, 80%, 40%), hsl(220, 60%, 20%));
}

.card-img-placeholder.g3 {
  background: linear-gradient(135deg, hsl(280, 50%, 40%), hsl(300, 60%, 20%));
}

.accent-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background-color: var(--primary);
}

.card-content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-content h3 {
  font-family: var(--font-family-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.4;
  color: var(--dark-slate);
}

.card-content p {
  font-size: 0.9rem;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  flex-grow: 1;
}

.learn-more-link {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.learn-more-link:hover {
  color: var(--primary-hover);
}

/* ==========================================================================
   NEWS CENTER SECTION
   ========================================================================== */
.news-section {
  padding: 6rem 0;
  background-color: var(--white);
}

.news-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.news-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-img {
  height: 160px;
  background-color: var(--light-gray);
  background-size: cover;
  background-position: center;
}

.news-img.n1 {
  background: linear-gradient(135deg, hsl(215, 20%, 92%), hsl(215, 40%, 80%));
}
.news-img.n2 {
  background: linear-gradient(135deg, hsl(200, 20%, 92%), hsl(200, 40%, 80%));
}
.news-img.n3 {
  background: linear-gradient(135deg, hsl(35, 30%, 92%), hsl(35, 50%, 80%));
}
.news-img.n4 {
  background: linear-gradient(135deg, hsl(280, 20%, 92%), hsl(280, 40%, 80%));
}

.news-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-date {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
  display: block;
}

.news-body h3 {
  font-family: var(--font-family-heading);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.25rem;
  color: var(--dark-slate);
  flex-grow: 1;
}

.news-link {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.85rem;
}

.news-link:hover {
  color: var(--primary-hover);
}

.more-news-btn-wrapper {
  text-align: center;
}

.more-news-btn {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  padding: 0.75rem 2rem;
  border-radius: 25px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.more-news-btn:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.main-footer {
  background-color: var(--light-gray);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-top-row {
  display: flex;
  gap: 4rem;
  margin-bottom: 4rem;
}

.brand-column {
  flex: 0 0 320px;
}

.footer-logo {
  height: 35px;
  width: auto;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.motto {
  display: block;
  font-family: var(--font-family-heading);
  font-style: italic;
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.company-details {
  font-size: 0.78rem;
  color: var(--dark-gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.company-details p {
  margin-bottom: 0.4rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  font-size: 1.1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.social-links a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
}

.social-links a svg {
  width: 16px;
  height: 16px;
  fill: var(--dark-gray);
  transition: fill var(--transition-fast);
}

.social-links a:hover svg {
  fill: var(--primary);
}

.links-columns {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.links-columns h4 {
  font-family: var(--font-family-heading);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--dark-slate);
}

.links-columns ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.links-columns ul a {
  font-size: 0.85rem;
  color: var(--dark-gray);
}

.links-columns ul a:hover {
  color: var(--primary);
}

.footer-divider {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 2.5rem 0;
}

/* Bottom Compliance Row */
.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-left-bottom {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 750px;
}

.footer-lang-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background-color: var(--white);
  cursor: pointer;
}

.footer-lang-picker .flag {
  font-size: 1rem;
}

.service-notice {
  font-size: 0.78rem;
  color: var(--dark-gray);
  line-height: 1.5;
  flex: 1;
  min-width: 250px;
}

.bocongthuong-badge {
  background-color: var(--white);
  border: 1px dashed var(--error);
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--error);
  font-weight: 700;
  line-height: 1.1;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.bocongthuong-badge .star {
  font-size: 0.75rem;
}

.bocongthuong-badge .text {
  font-size: 0.68rem;
}

.bocongthuong-badge .subtext {
  font-size: 0.55rem;
}

/* Under Footer copyright + download link */
.under-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.legal-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--dark-gray);
}

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

.legal-links .dot {
  color: var(--border-color);
}

.legal-links .copyright {
  margin-left: 0.5rem;
}

.footer-download-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-download-badges img {
  height: 32px;
  width: auto;
}

.app-gallery-badge {
  background-color: #000;
  color: #fff;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.55rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
  height: 32px;
}

.app-gallery-badge strong {
  font-size: 0.68rem;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

/* 1. Large Screens & Desktop (Up to 1200px) */
@media (max-width: 1200px) {
  .hero-container {
    gap: 1.5rem;
  }
  .hero-title {
    font-size: 3rem;
  }
  .service-category {
    gap: 2rem;
  }
}

/* 2. Tablet Screen (Up to 992px) */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-left-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .service-category {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 0;
  }
  .category-title {
    font-size: 1.5rem;
  }
  .carousel-card {
    flex: 0 0 calc((100% - 1.75rem) / 2);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-row {
    flex-direction: column;
    gap: 3rem;
  }
  .brand-column {
    flex: none;
    max-width: 500px;
  }
}

/* 3. Small Screens & Mobile (Up to 768px) */
@media (max-width: 768px) {
  .header-right {
    display: none; /* Hide nav items, hamburger will open drawer */
  }
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.6rem;
    margin-bottom: 2rem;
  }
  .service-category {
    padding: 1.5rem 0;
  }
  .category-title {
    font-size: 1.35rem;
  }
  .carousel-card {
    flex: 0 0 100%;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .links-columns {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-bottom-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-left-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .under-footer {
    flex-direction: column-reverse;
    align-items: flex-start;
  }
}

/* 4. Very Small Screens (Up to 480px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .links-columns {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ABOUT PAGE STYLING
   ========================================================================== */
.about-hero {
  padding-top: 120px;
  padding-bottom: 4rem;
  background-color: var(--white);
  text-align: center;
}

.about-hero-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.about-hero-title {
  font-family: var(--font-family-heading);
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--dark-slate);
  margin-bottom: 2.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.about-hero-banner-box {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2.5rem;
  background-color: var(--light-gray);
  border: 1px solid var(--border-color);
}

.about-hero-banner-box svg {
  display: block;
  width: 100%;
  height: auto;
}

.about-hero-subtext {
  font-size: 1.25rem;
  color: var(--dark-gray);
  max-width: 750px;
  margin: 0 auto;
  line-height: 1.6;
}

.about-brand-bar {
  height: 8px;
  background: var(--primary-gradient);
  width: 100%;
}

.about-rows-section {
  padding: 3rem 0;
  background-color: var(--white);
}

.about-rows-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.about-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  padding: 4rem 0;
  border-bottom: 1.5px solid var(--border-color);
}

.about-row:last-child {
  border-bottom: none;
}

.about-row-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  padding-top: 0.4rem;
  font-family: var(--font-family-heading);
}

.about-row-main h2 {
  font-family: var(--font-family-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--dark-slate);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.about-row-link {
  display: inline-flex;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  transition: color var(--transition-fast);
}

.about-row-link:hover {
  color: var(--primary-hover);
}

.about-row-media {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  background-color: var(--light-gray);
}

.about-row-media svg {
  display: block;
  width: 100%;
  height: auto;
}

.about-investor-banner {
  background-color: var(--dark-slate);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
}

.investor-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.investor-container h2 {
  font-family: var(--font-family-heading);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.investor-btn {
  display: inline-block;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 0.8rem 2.2rem;
  border-radius: 25px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.investor-btn:hover {
  background-color: var(--white);
  color: var(--dark-slate);
}

.about-join-section {
  padding: 6rem 0;
  background-color: var(--light-gray);
  border-top: 1px solid var(--border-color);
}

.join-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.join-left h2 {
  font-family: var(--font-family-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-slate);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.join-left p {
  font-size: 1.15rem;
  color: var(--dark-gray);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.join-btn {
  display: inline-block;
  background-color: var(--primary);
  color: var(--white);
  padding: 0.9rem 2rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-primary);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.join-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.join-right {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.join-right svg {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .about-hero {
    padding-top: 100px;
    padding-bottom: 2.5rem;
  }
  .about-hero-title {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
  }
  .about-hero-subtext {
    font-size: 1.1rem;
  }
  .about-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 2.5rem 0;
  }
  .about-row-label {
    padding-top: 0;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 0.5rem;
  }
  .about-row-main h2 {
    font-size: 1.45rem;
    line-height: 1.3;
  }
  .about-row-link {
    margin-bottom: 1.5rem;
  }
  .investor-container h2 {
    font-size: 1.75rem;
  }
  .about-join-section {
    padding: 4rem 0;
  }
  .join-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .join-left h2 {
    font-size: 2rem;
  }
  .join-left p {
    font-size: 1.05rem;
  }
}

/* ==========================================================================
   LAZY LOAD & FADE-IN TRANSITIONS
   ========================================================================== */
.hkt-lazy-img {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
}

.hkt-lazy-img.loaded {
  opacity: 1;
}

.hkt-lazy-bg {
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
}

.hkt-lazy-bg.loaded {
  opacity: 1;
}