/* Duck-il Industry To-be Modernization Design System & Style Sheets */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Premium Light Mode Theme */
  --cobalt-primary: #002165;       /* Deep Blue Primary Main Color */
  --cobalt-dark: #00123A;          /* Darker Blue */
  --cobalt-light: #1A408F;         /* Royal Blue Accent */
  --cobalt-glow: #2BB34B;          /* Green Accent / Glow */
  
  /* Modern Theme Variables */
  --navy-primary: #002165;
  --cyan-blue: #1A408F;
  --mint-accent: #2BB34B;
  
  /* Neutral Light Archetype (Premium Light Theme) */
  --bg-dark: #F8F9FA;              /* Light gray background */
  --bg-surface: #FFFFFF;           /* Surface background - White */
  --bg-card: rgba(255, 255, 255, 0.85); /* Translucent White card */
  --border-glass: rgba(0, 0, 0, 0.08);   /* Light border for cards */
  --border-glass-hover: rgba(43, 179, 75, 0.4); /* Green border on hover */
  
  /* Typography Colors */
  --text-primary: #111111;         /* Dark charcoal for active/headings */
  --text-secondary: #48484A;       /* Slate grey description */
  --text-muted: #8E8E93;           /* Light gray description */
  
  /* Layout Guide-lines */
  --card-radius: 12px;             /* Mandated 12px rounding card */
  --pill-radius: 100px;            /* Mandated 100px pill button */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: 'Inter', 'Pretendard', sans-serif;
  --font-display: 'Outfit', sans-serif;
}

/* Base Resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  font-family: var(--font-sans);
  color: var(--text-primary);
  overflow-x: hidden;
}

body {
  line-height: 1.6;
  background-color: var(--bg-dark);
  position: relative;
}

/* Gradient Background Blob decoration */
body::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: none;
  display: none;
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: absolute;
  bottom: 20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: none;
  display: none;
  z-index: -1;
  pointer-events: none;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Navigation bar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 8%;
  background: #ffffff;
  border-bottom: 1px solid #e5e5ea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 12px 8%;
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 33, 101, 0.05);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cobalt-primary);
  cursor: pointer;
}

.logo span {
  color: var(--cobalt-glow);
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
  margin-left: auto;
  margin-right: 40px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
  transition: var(--transition-smooth);
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cobalt-glow, #2BB34B);
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Button Component - 100px Pill Guideline */
.btn-pill {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--pill-radius); /* 100px pill shape */
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--cobalt-light);
  opacity: 0;
  z-index: -1;
  transition: var(--transition-smooth);
}

.btn-pill-primary {
  background: var(--cobalt-primary);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.3);
}

.btn-pill-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.5), 0 0 10px rgba(0, 210, 196, 0.5);
}

.btn-pill-primary:hover::before {
  opacity: 1;
}

.btn-pill-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-pill-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cobalt-glow);
  transform: translateY(-2px);
}

/* Specific contrast override for buttons in the dark Hero section */
.hero .btn-pill-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero .btn-pill-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #ffffff;
  color: #ffffff;
}

/* Card Component - 12px Rounded Guideline */
.card-premium {
  border-radius: var(--card-radius); /* 12px card border radius */
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 30px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  display: none;
  pointer-events: none;
}

.card-premium:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 210, 196, 0.2);
}

/* Section Common Styles */
section {
  padding: 100px 8%;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--cobalt-glow);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 40px;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-image: url('../img/hero_bg.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 11, 25, 0.68); /* Dark translucent navy/charcoal overlay */
  z-index: 1;
}

.hero-content {
  max-width: 750px;
  z-index: 10;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 24px;
  font-family: var(--font-display);
  color: #ffffff;
}

.hero-title span {
  color: var(--cobalt-glow);
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: 40px;
  color: #e5e5ea;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

/* Core Values Section */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.value-card {
  text-align: left;
}

.value-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--card-radius);
  background: rgba(30, 91, 168, 0.15);
  border: 1px solid rgba(0, 210, 196, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cobalt-glow);
  margin-bottom: 24px;
}

.value-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.value-desc {
  font-size: 0.95rem;
}

/* Products Section */
.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 50px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.product-card {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.product-img-wrapper {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
  border-top-left-radius: 11px;
  border-top-right-radius: 11px;
  border-bottom: 1px solid var(--border-glass);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-body {
  padding: 30px;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.product-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--cobalt-glow);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  font-weight: 600;
}

.product-desc {
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.product-action {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--cobalt-glow);
}

.product-action i {
  transition: transform 0.3s ease;
}

.product-card:hover .product-action i {
  transform: translateX(4px);
}

/* R&D and Technology */
.rnd {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.rnd-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.rnd-visual-wrapper {
  position: relative;
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.rnd-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.rnd-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 33, 101, 0.55);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
}

.rnd-overlay-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.rnd-tabs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tab-btn {
  text-align: left;
  padding: 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn.active {
  background: rgba(30, 91, 168, 0.15);
  border-color: var(--cobalt-glow);
}

.tab-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tab-title i {
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.tab-btn.active .tab-title i {
  color: var(--cobalt-glow);
  transform: rotate(45deg);
}

.tab-desc {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
}

.tab-btn.active .tab-desc {
  max-height: 100px;
  opacity: 1;
  margin-top: 10px;
}

/* Global Network Section */
.network-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
}

.map-container {
  position: relative;
  background: var(--bg-surface);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-glass);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Interactive Map dots and lines representing globe */
.world-map-svg {
  width: 90%;
  height: 90%;
  opacity: 0.25;
}

.map-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--cobalt-glow);
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 0 12px var(--cobalt-glow);
}

.map-dot::before {
  content: '';
  position: absolute;
  top: -6px; left: -6px;
  right: -6px; bottom: -6px;
  border: 2px solid var(--cobalt-glow);
  border-radius: 50%;
  animation: mapPulse 2s infinite ease-out;
}

/* Key positions for dots based on container dimensions */
.dot-korea { top: 38%; left: 74%; }
.dot-china { top: 40%; left: 66%; }
.dot-vietnam { top: 58%; left: 68%; }
.dot-usa { top: 42%; left: 24%; }

@keyframes mapPulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

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

.network-item {
  cursor: pointer;
}

.network-item.active {
  border-color: var(--cobalt-glow);
  background: rgba(30, 91, 168, 0.05);
}

.network-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.network-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.network-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
}

.network-item.active .network-tag {
  background: rgba(30, 91, 168, 0.2);
  border-color: var(--cobalt-glow);
  color: var(--cobalt-glow);
}

.network-details {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: none;
  padding-top: 10px;
  border-top: 1px dashed var(--border-glass);
}

.network-item.active .network-details {
  display: block;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 40px;
}

.channel {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.channel-icon {
  width: 50px;
  height: 50px;
  background: rgba(30, 91, 168, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--cobalt-glow);
}

.channel-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.channel-value {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Contact Form Grid */
.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group-full {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--card-radius); /* 12px rounded input */
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus {
  background: #ffffff;
  border-color: var(--cobalt-glow);
  box-shadow: 0 0 10px rgba(43, 179, 75, 0.15);
}

textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

/* Footer Section */
footer {
  background: #04060d;
  padding: 80px 8% 40px;
  border-top: 1px solid var(--border-glass);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-info-desc {
  margin-top: 20px;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-title {
  font-size: 1.15rem;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--cobalt-glow);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-icon:hover {
  background: var(--cobalt-primary);
  color: #fff;
  border-color: var(--cobalt-glow);
}

/* Interactive Modal Styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 11, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius); /* 12px card border radius */
  width: 90%;
  max-width: 680px;
  padding: 40px;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-title {
  font-size: 1.8rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-title span {
  font-size: 0.8rem;
  text-transform: uppercase;
  background: rgba(30, 91, 168, 0.15);
  padding: 4px 10px;
  border-radius: 100px;
  color: var(--cobalt-glow);
  font-weight: 600;
}

.modal-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 24px 0;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-glass);
}

.spec-item-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-item-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--cobalt-glow);
  border-radius: var(--card-radius); /* 12px card border radius */
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.5);
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--cobalt-glow);
  font-size: 1.25rem;
}

/* Micro interaction Reveal animations on Scroll */
.reveal-el {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-el.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsiveness (100% Responsive Grid/Flexbox) */
@media (max-width: 1024px) {
  section {
    padding: 80px 5%;
  }
  header {
    padding: 20px 5%;
  }
  header.scrolled {
    padding: 12px 5%;
  }
  
  .hero-title {
    font-size: 3.2rem;
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .rnd-container,
  .network-container,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .rnd-visual-wrapper {
    order: -1;
  }
  .rnd-img {
    height: 380px;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 100px 40px;
    align-items: flex-start;
    gap: 30px;
    transition: var(--transition-smooth);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-btn-header {
    width: 100%;
  }
  
  .hero {
    background-image: url('../img/hero_bg.jpg');
    background-color: rgba(255, 255, 255, 0.85);
    background-blend-mode: overlay;
    background-size: cover;
    background-position: center;
    text-align: center;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .values-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .product-img-wrapper {
    height: 240px;
  }
  
  .map-container {
    height: 300px;
  }
  
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .form-group-full {
    grid-column: span 1;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-pill {
    width: 100%;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ==========================================================================
   Section 2: Key Stats & Core Values
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 50px;
}

.stat-card {
  text-align: center;
  padding: 30px 20px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--cobalt-primary);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Section 3: Business & Product Technology (Vehicle Cutaway)
   ========================================================================== */
.business-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

/* Horizontal Tabs for Product Categories */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.product-tab {
  background: #ffffff;
  border: 1px solid #e5e5ea;
  border-radius: 100px;
  padding: 12px 24px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #4e4e52;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 10px rgba(0, 33, 101, 0.02);
}

.product-tab:hover {
  border-color: #2BB34B;
  color: #2BB34B;
}

.product-tab.active {
  background: #2BB34B;
  border-color: #2BB34B;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(43, 179, 75, 0.15);
}

.tab-icon {
  font-size: 1rem;
}

.vehicle-cutaway-container {
  position: relative;
  overflow: hidden;
  height: 100%;
}
}

.spec-info-panel {
  padding: 24px;
  min-height: 200px;
}

.spec-header {
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 12px;
}

.spec-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.spec-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(43, 179, 75, 0.1);
  color: var(--cobalt-glow);
  border: 1px solid rgba(43, 179, 75, 0.2);
  font-weight: 600;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

.spec-list-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.spec-label {
  color: var(--text-secondary);
}

.spec-val {
  font-weight: 600;
}

/* ==========================================================================
   Section 4: Global Map coordinates (6 pins)
   ========================================================================== */
.dot-korea { top: 38%; left: 76%; }
.dot-china { top: 39%; left: 73%; }
.dot-vietnam { top: 48%; left: 72%; }
.dot-philippines { top: 52%; left: 75%; }
.dot-usa { top: 36%; left: 20%; }
.dot-mexico { top: 46%; left: 19%; }

/* ==========================================================================
   Section 6: ESG & Ethics Cyber Wizard
   ========================================================================== */
.esg-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 50px;
  margin-top: 40px;
}

.esg-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.esg-card {
  padding: 24px;
}

.esg-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.esg-card-title span {
  font-family: var(--font-display);
  font-weight: 850;
  color: var(--cobalt-glow);
}

.esg-card-desc {
  font-size: 0.9rem;
  line-height: 1.6;
}

.wizard-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 30px;
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.wizard-title {
  font-size: 1.4rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wizard-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: 30px;
  padding: 0 10px;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--border-glass);
  transform: translateY(-50%);
  z-index: 1;
}

.wizard-progress-bar {
  position: absolute;
  top: 50%;
  left: 10px;
  width: 0%;
  height: 2px;
  background: var(--cobalt-glow);
  transform: translateY(-50%);
  z-index: 1;
  transition: width 0.4s ease;
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 2;
  transition: var(--transition-smooth);
}

.step-dot.active {
  border-color: var(--cobalt-glow);
  color: #ffffff;
  background: var(--cobalt-primary);
  box-shadow: 0 0 10px rgba(43, 179, 75, 0.3);
}

.step-dot.completed {
  border-color: var(--cobalt-glow);
  background: var(--cobalt-glow);
  color: #ffffff;
}

.wizard-step {
  display: none;
  flex-direction: column;
  flex-grow: 1;
  animation: fadeIn 0.4s ease;
}

.wizard-step.active {
  display: flex;
}

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

.wizard-consent-box {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  height: 140px;
  overflow-y: auto;
  margin-bottom: 20px;
  line-height: 1.6;
}

.wizard-agree-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.wizard-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--cobalt-glow);
}

.wizard-label {
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.wizard-success-screen {
  text-align: center;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-grow: 1;
}

.wizard-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(43, 179, 75, 0.1);
  border: 2px solid var(--cobalt-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--cobalt-glow);
  margin-bottom: 24px;
  animation: scaleBounce 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleBounce {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   Section 7: Careers & Talent
   ========================================================================== */
.career-container {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.talent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.talent-card {
  padding: 30px;
}

.talent-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 33, 101, 0.05);
  border: 1px solid rgba(0, 33, 101, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--cobalt-primary);
  margin-bottom: 20px;
}

.talent-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.talent-desc {
  font-size: 0.9rem;
}

.career-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.welfare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.welfare-card {
  background: rgba(0, 0, 0, 0.015);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 20px;
  transition: var(--transition-smooth);
}

.welfare-card:hover {
  border-color: var(--border-glass-hover);
  background: rgba(43, 179, 75, 0.04);
}

.welfare-icon {
  font-size: 1.3rem;
  color: var(--cobalt-glow);
  margin-bottom: 12px;
}

.welfare-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.welfare-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.openings-card {
  padding: 30px;
}

.openings-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.opening-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.015);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.opening-item:hover {
  border-color: var(--border-glass-hover);
  background: rgba(43, 179, 75, 0.04);
}

.opening-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.opening-dept {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.opening-badge {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(43, 179, 75, 0.1);
  color: var(--cobalt-glow);
  font-weight: 600;
}

/* ==========================================================================
   Section 8: Contact locations and tabs
   ========================================================================== */
.location-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.location-tab {
  padding: 10px 20px;
  border-radius: var(--pill-radius);
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.location-tab.active {
  background: var(--cobalt-primary);
  border-color: var(--cobalt-glow);
  color: #fff;
}

.location-tab:hover:not(.active) {
  background: rgba(0, 0, 0, 0.06);
  border-color: var(--border-glass-hover);
}

.location-info-panel {
  animation: fadeIn 0.4s ease;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .business-container,
  .esg-grid,
  .career-info-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .talent-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .welfare-grid {
    grid-template-columns: 1fr;
  }
  .wizard-progress {
    margin-bottom: 20px;
  }
  .step-dot {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   BASE RESPONSIVE UTILITY CLASSES (Concept B Theme)
   ========================================================================== */

/* Layout & Container */
.container-custom {
  width: 100%;
  max-width: var(--container-width, 1280px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4, 1rem);
  padding-right: var(--space-4, 1rem);
}

/* Display Utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-inline-flex { display: inline-flex !important; }

/* Flexbox Utilities */
.flex-row { flex-direction: row !important; }
.flex-col { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }

/* Grid Columns Utility */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }

.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; } /* 4px */
.gap-2 { gap: 0.5rem !important; }  /* 8px */
.gap-3 { gap: 0.75rem !important; } /* 12px */
.gap-4 { gap: 1rem !important; }    /* 16px */
.gap-6 { gap: 1.5rem !important; }  /* 24px */
.gap-8 { gap: 2rem !important; }    /* 32px */
.gap-12 { gap: 3rem !important; }   /* 48px */

/* Spacing Helpers (Margins) */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mr-0 { margin-right: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }

.m-1 { margin: 0.25rem !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mb-1 { margin-bottom: 0.25rem !important; }

.m-2 { margin: 0.5rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }

.m-3 { margin: 0.75rem !important; }
.mt-3 { margin-top: 0.75rem !important; }
.mb-3 { margin-bottom: 0.75rem !important; }

.m-4 { margin: 1rem !important; }
.mt-4 { margin-top: 1rem !important; }
.mb-4 { margin-bottom: 1rem !important; }

.m-6 { margin: 1.5rem !important; }
.mt-6 { margin-top: 1.5rem !important; }
.mb-6 { margin-bottom: 1.5rem !important; }

.m-8 { margin: 2rem !important; }
.mt-8 { margin-top: 2rem !important; }
.mb-8 { margin-bottom: 2rem !important; }

.m-12 { margin: 3rem !important; }
.mt-12 { margin-top: 3rem !important; }
.mb-12 { margin-bottom: 3rem !important; }

.m-16 { margin: 4rem !important; }
.mt-16 { margin-top: 4rem !important; }
.mb-16 { margin-bottom: 4rem !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Spacing Helpers (Paddings) */
.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }

.p-1 { padding: 0.25rem !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pb-1 { padding-bottom: 0.25rem !important; }

.p-2 { padding: 0.5rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }

.p-3 { padding: 0.75rem !important; }
.pt-3 { padding-top: 0.75rem !important; }
.pb-3 { padding-bottom: 0.75rem !important; }

.p-4 { padding: 1rem !important; }
.pt-4 { padding-top: 1rem !important; }
.pb-4 { padding-bottom: 1rem !important; }

.p-6 { padding: 1.5rem !important; }
.pt-6 { padding-top: 1.5rem !important; }
.pb-6 { padding-bottom: 1.5rem !important; }

.p-8 { padding: 2rem !important; }
.pt-8 { padding-top: 2rem !important; }
.pb-8 { padding-bottom: 2rem !important; }

.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-4 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-6 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.py-8 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
.py-12 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.py-16 { padding-top: 4rem !important; padding-bottom: 4rem !important; }

.px-2 { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
.px-4 { padding-left: 1rem !important; padding-right: 1rem !important; }
.px-6 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
.px-8 { padding-left: 2rem !important; padding-right: 2rem !important; }

/* Text Alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Typography Colors & Accents */
.text-navy { color: var(--navy-primary) !important; }
.text-cyan { color: var(--cyan-blue) !important; }
.text-mint { color: var(--mint-accent) !important; }
.text-primary-color { color: var(--color-primary) !important; }
.text-white { color: #ffffff !important; }
.text-muted { color: var(--text-secondary) !important; }

/* Backgrounds */
.bg-navy { background-color: var(--navy-primary) !important; }
.bg-navy-dark { background-color: var(--cobalt-dark) !important; }
.bg-cyan { background-color: var(--cyan-blue) !important; }
.bg-mint { background-color: var(--mint-accent) !important; }
.bg-dark { background-color: var(--bg-dark) !important; }
.bg-surface { background-color: var(--bg-surface) !important; }
.bg-white { background-color: #ffffff !important; }

/* Responsive Breakpoints & Utilities */

/* Small Devices (sm: max-width 640px) */
@media (max-width: 640px) {
  .sm-d-none { display: none !important; }
  .sm-d-block { display: block !important; }
  .sm-flex-col { flex-direction: column !important; }
  .sm-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
  .sm-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .sm-text-center { text-align: center !important; }
  .sm-p-4 { padding: 1rem !important; }
}

/* Medium Devices (md: max-width 768px) */
@media (max-width: 768px) {
  .md-d-none { display: none !important; }
  .md-d-block { display: block !important; }
  .md-flex-col { flex-direction: column !important; }
  .md-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
  .md-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .md-text-center { text-align: center !important; }
  .md-py-8 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
}

/* Desktop Devices (lg: min-width 769px and above) */
@media (min-width: 769px) {
  .lg-d-none { display: none !important; }
  .lg-d-block { display: block !important; }
  .lg-flex-row { flex-direction: row !important; }
  .lg-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .lg-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .lg-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}

/* Border Radius Utilities */
.rounded-card {
  border-radius: var(--card-radius, 12px) !important;
}

.rounded-pill {
  border-radius: var(--pill-radius, 100px) !important;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: 10px;
}

.lang-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--pill-radius, 100px);
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lang-btn:hover {
  border-color: var(--border-glass-hover);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--cobalt-primary);
  border-color: var(--cobalt-glow);
  color: #fff;
}

/* ==========================================================================
   GNB Dropdown Menu & Navigation Styles
   ========================================================================== */
.gnb-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 16px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
  box-shadow: 0 8px 30px rgba(0, 33, 101, 0.08);
  z-index: var(--z-popup, 200);
}

.nav-item {
  position: relative;
  padding: 15px 0;
}

.nav-item:hover .gnb-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.gnb-dropdown-link {
  color: var(--text-secondary);
  font-size: var(--size-sm, 0.875rem) !important;
  padding: 8px 12px !important;
  border-radius: var(--radius-sm, 8px);
  transition: all 0.2s ease-in-out;
  display: block;
  text-align: left;
  font-weight: 500;
}

.gnb-dropdown-link:hover {
  color: var(--mint-accent, #2BB34B) !important;
  background: rgba(30, 91, 168, 0.15);
  padding-left: 16px !important;
}

/* Language Selection Pill */
.lang-selector {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--pill-radius, 100px);
  padding: 2px;
  margin-left: 16px;
  align-items: center;
}

.lang-selector .lang-btn {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--pill-radius, 100px);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.lang-selector .lang-btn.active {
  background: var(--cyan-blue, #1E5BA8);
  color: #ffffff;
}

/* Mobile responsive adjustments for GNB dropdown */
@media (max-width: 768px) {
  .gnb-dropdown {
    position: static;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 16px;
    display: none;
    opacity: 1;
    visibility: visible;
  }
  
  .nav-item:hover .gnb-dropdown {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
    padding: 10px 0;
    text-align: left;
  }
  
  .nav-links.active {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    background: rgba(255, 255, 255, 0.98);
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    overflow-y: auto;
    border-bottom: 1px solid var(--border-glass);
  }
}

/* ==========================================================================
   Mega Dropdown Styles
   ========================================================================== */
header:hover {
  background: rgba(255, 255, 255, 0.98);
}

@media (min-width: 1025px) {
  /* Hide individual dropdowns in desktop mode to avoid overlay conflict */
  .gnb-dropdown {
    display: none !important;
  }
  
  .mega-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 15px 30px rgba(0, 33, 101, 0.05);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .mega-dropdown.active {
    max-height: 380px;
  }

  .mega-dropdown-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 35px 4% 45px 4%;
    display: flex;
    gap: 40px;
  }

  .mega-promo-container {
    display: flex;
    flex-direction: row;
    gap: 16px;
    width: 38%;
    flex-shrink: 0;
    border-right: 1px solid #e5e5ea;
    padding-right: 30px;
  }

  .mega-promo-card {
    flex: 1;
    border-radius: 16px;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
    min-height: 230px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
  }

  .promo-mint {
    background: #f4faf8;
    border: 1px solid #e2f2ec;
  }

  .promo-blue {
    background: #f5f8fc;
    border: 1px solid #e5edf7;
  }

  .mega-promo-card h4 {
    font-size: 0.95rem;
    font-weight: 750;
    color: #111111;
    margin: 0 0 8px 0;
    line-height: 1.35;
  }

  .mega-promo-card p {
    font-size: 0.8rem;
    color: #666666;
    line-height: 1.45;
    margin: 0 0 16px 0;
    font-weight: 500;
  }

  .promo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
    transition: all 0.2s ease-in-out;
    width: 100%;
  }

  .btn-mint {
    background: #2BB34B;
    color: #ffffff !important;
  }

  .btn-mint:hover {
    background: #23943e;
  }

  .btn-blue {
    background: #002165;
    color: #ffffff !important;
  }

  .btn-blue:hover {
    background: #00123a;
  }

  .mega-grid-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    width: 62%;
  }

  .mega-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .mega-col-title {
    font-size: 0.875rem;
    font-weight: 800;
    color: #111111;
    margin-bottom: 16px;
    display: block;
  }

  .mega-link {
    font-size: 0.82rem;
    font-weight: 500;
    color: #666666;
    transition: all 0.2s ease-in-out;
    padding: 4px 0;
    text-align: left;
    display: block;
  }

  .mega-link:hover {
    color: #2BB34B !important;
    transform: translateX(3px);
  }
}

@media (max-width: 1024px) {
  /* Hide desktop mega dropdown in mobile mode */
  .mega-dropdown {
    display: none !important;
  }
}

/* ==========================================================================
   Language Dropdown Styles
   ========================================================================== */
.lang-dropdown {
  position: relative;
  display: inline-block;
}

.lang-dropdown-btn {
  background: none;
  border: 1px solid #e5e5ea;
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease-in-out;
}

.lang-dropdown-btn:hover {
  border-color: var(--cobalt-primary);
  color: var(--cobalt-primary);
  background: rgba(30, 91, 168, 0.04);
}

.lang-dropdown-content {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #ffffff;
  border: 1px solid #e5e5ea;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 33, 101, 0.06);
  min-width: 130px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1010;
  padding: 6px;
}

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

.lang-dropdown-content a {
  display: block;
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  border-radius: 8px;
  text-align: left;
  transition: all 0.2s ease-in-out;
}

.lang-dropdown-content a:hover {
  background: rgba(30, 91, 168, 0.05) !important;
  color: var(--cobalt-primary) !important;
}

/* Product Image Viewer Styles */
.product-image-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 33, 101, 0.06);
  border: 1px solid rgba(0, 33, 101, 0.08);
  background: #f4f7fc;
}

.product-viewer-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.03);
}

.product-viewer-img.active {
  opacity: 1;
  z-index: 2;
  transform: scale(1);
}

/* Network Image Viewer and Tabs Styles */
.network-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.network-tab {
  background: #ffffff;
  border: 1px solid #e5e5ea;
  border-radius: 100px;
  padding: 12px 22px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #4e4e52;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 10px rgba(0, 33, 101, 0.02);
}

.network-tab:hover {
  border-color: #2BB34B;
  color: #2BB34B;
}

.network-tab.active {
  background: #2BB34B;
  border-color: #2BB34B;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(43, 179, 75, 0.15);
}

.net-viewer-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.03);
}

.net-viewer-img.active {
  opacity: 1;
  z-index: 2;
  transform: scale(1);
}

/* R&D Horizontal Tabs and Image Viewer Styles */
.rnd-tabs-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.rnd-tab {
  background: #ffffff;
  border: 1px solid #e5e5ea;
  border-radius: 100px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #4e4e52;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 10px rgba(0, 33, 101, 0.02);
}

.rnd-tab:hover {
  border-color: #2BB34B;
  color: #2BB34B;
}

.rnd-tab.active {
  background: #2BB34B;
  border-color: #2BB34B;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(43, 179, 75, 0.15);
}

.rnd-image-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 33, 101, 0.06);
  border: 1px solid rgba(0, 33, 101, 0.08);
  background: #f4f7fc;
}

.rnd-viewer-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.03);
}

.rnd-viewer-img.active {
  opacity: 1;
  z-index: 2;
  transform: scale(1);
}

.rnd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}

/* ==========================================================================
   10. Integrated Portal (Notice & Quick Banners)
   ========================================================================== */
.portal-section {
  padding: 100px 0;
  background: #ffffff;
  border-top: 1px solid #f4f5f9;
}

.portal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.news-board {
  display: flex;
  flex-direction: column;
}

.portal-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.portal-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent-green);
  border-radius: 2px;
}

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

.news-item {
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  border-bottom: 1px solid #f0f0f5;
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.news-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cobalt-glow);
  background: rgba(0, 33, 101, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.news-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color 0.2s ease;
}

.news-item:hover .news-item-title {
  color: var(--accent-green);
}

.portal-banners {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.portal-banner-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 146px;
  position: relative;
}

.portal-banner-card:hover {
  transform: translateY(-3px);
  background: #ffffff;
  border-color: var(--accent-green);
  box-shadow: 0 12px 30px rgba(43, 179, 75, 0.08);
}

.banner-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 33, 101, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--cobalt-glow);
  transition: all 0.3s ease;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.portal-banner-card:hover .banner-icon-wrap {
  background: rgba(43, 179, 75, 0.1);
  color: var(--accent-green);
}

.banner-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.banner-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.banner-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.banner-arrow {
  position: absolute;
  right: 24px;
  top: 24px;
  font-size: 0.9rem;
  color: #a0aec0;
  transition: all 0.3s ease;
}

.portal-banner-card:hover .banner-arrow {
  color: var(--accent-green);
  transform: translateX(4px);
}

@media (max-width: 991px) {
  .portal-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 575px) {
  .portal-banners {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   11. Footer Legibility & Contrast Overrides
   ========================================================================== */
footer#main-footer {
  background: #060913 !important; /* Slightly deeper navy for better visual structure */
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}

footer#main-footer p,
footer#main-footer span,
footer#main-footer li,
footer#main-footer div {
  color: rgba(255, 255, 255, 0.65) !important;
}

footer#main-footer a {
  color: rgba(255, 255, 255, 0.55) !important;
  text-decoration: none;
  transition: all 0.25s ease !important;
}

footer#main-footer a:hover {
  color: var(--accent-green) !important;
  transform: translateY(-1px);
}

footer#main-footer h4,
footer#main-footer h3 {
  color: #ffffff !important;
  font-weight: 800 !important;
}

footer#main-footer .social-icon {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

footer#main-footer .social-icon i {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: all 0.3s ease;
}

footer#main-footer .social-icon:hover {
  background: rgba(43, 179, 75, 0.15) !important;
  border-color: var(--accent-green) !important;
}

footer#main-footer .social-icon:hover i {
  color: var(--accent-green) !important;
}

footer#main-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  padding-top: 30px;
  color: rgba(255, 255, 255, 0.35) !important;
}

footer#main-footer .footer-bottom p {
  color: rgba(255, 255, 255, 0.45) !important;
}