/* ============================================
   MILLENIUM RESEARCH - Presentation Site
   Light Clean Professional Theme
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-navy: #1B3A6B;
  --color-navy-light: #2A5298;
  --color-gold: #D4A843;
  --color-gold-light: #E8C976;
  --color-teal: #2E8B8B;
  --color-teal-light: #3AABAB;
  --color-red: #B22234;
  --color-red-light: #D44A5A;

  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-bg-card: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #717171;
  --color-border: #E2E8F0;

  --font-family: Verdana, Geneva, Tahoma, sans-serif;
  --font-size-base: 14px;
  --font-size-sm: 1.1rem;
  --font-size-xs: 0.95rem;
  --font-size-lg: 1.4rem;
  --font-size-xl: 1.875rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3.125rem;
  --font-size-4xl: 3.75rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --header-height: 200px;
  --container-max: 60%;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--color-teal-light);
}

a:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
  border-radius: 2px;
}

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 60px;
}

.section {
  padding: 140px 0;
}

.section:nth-child(even) {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-navy);
  text-align: center;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 72px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 20px 48px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-navy);
  color: #FFFFFF;
  border-color: var(--color-navy);
}

.btn-primary:hover {
  background: var(--color-navy-light);
  border-color: var(--color-navy-light);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-navy);
  background: var(--color-navy);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  color: var(--color-navy);
  flex-shrink: 0;
}

.logo-link:hover {
  color: var(--color-navy);
}

.logo-img {
  width: 140px;
  height: 140px;
  object-fit: contain;
}

.logo-text {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-navy);
}

/* --- Navigation --- */
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-navy);
  background: var(--color-bg-alt);
}

.nav-link.active {
  font-weight: 600;
}

.dropdown-arrow {
  transition: transform var(--transition);
}

.has-dropdown:hover .dropdown-arrow,
.has-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 24px;
  min-width: 500px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  pointer-events: none;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition);
}

.dropdown-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.dropdown-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 4px;
}

.dropdown-item strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.dropdown-item small {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: calc(var(--header-height) + 80px) 40px 80px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero-content {
  flex: 1;
  max-width: 65%;
}

.hero-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.15;
  margin-bottom: 30px;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
  text-align: justify;
}

.hero-visual {
  flex-shrink: 0;
}

.hero-logo {
  width: 400px;
  height: 400px;
  object-fit: contain;
  opacity: 0.9;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 36px;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card--active {
  border-color: var(--color-teal);
  border-width: 2px;
}

.product-card--active:hover {
  border-color: var(--color-teal);
}

.product-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.product-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 6px;
}

.product-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-navy);
}

.coming-soon-badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-gold);
  background: rgba(212, 168, 67, 0.12);
  padding: 6px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-description {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 24px;
  flex-grow: 1;
}

.product-featured {
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 24px;
}

.featured-badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-teal);
  background: rgba(46, 139, 139, 0.1);
  padding: 5px 14px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-navy);
  margin: 12px 0 6px;
}

.featured-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.product-subcategories {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.product-subcategories li {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-navy-light);
  background: var(--color-bg-alt);
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
}

.product-link {
  margin-top: auto;
  align-self: flex-start;
}

/* ============================================
   FEATURED PRODUCTS DETAIL
   ============================================ */
.featured-product {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 80px;
  padding: 56px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition);
}

.featured-product:hover {
  box-shadow: var(--shadow-lg);
}

.featured-product:last-child {
  margin-bottom: 0;
}

.featured-product--reverse {
  flex-direction: row-reverse;
}

.featured-product-content {
  flex: 1;
}

.featured-product-category {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-teal);
  margin-bottom: 12px;
}

.featured-product-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 24px;
}

.featured-product-desc {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  margin-bottom: 30px;
  line-height: 1.7;
}

.featured-product-features {
  margin-bottom: 36px;
  padding-left: 0;
}

.featured-product-features li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.featured-product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-teal);
}

.featured-product-visual {
  flex-shrink: 0;
  width: 280px;
}

.feature-highlights {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.highlight-item {
  text-align: center;
  padding: 30px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.highlight-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.2;
}

.highlight-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================
   PARTNERS BAND
   ============================================ */
.partners-band-track {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
}

.partners-band-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.partners-band-item:hover {
  opacity: 1;
}

.partners-band-item img {
  height: 80px;
  width: auto;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter var(--transition);
}

.partners-band-item:hover img {
  filter: grayscale(0%);
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: flex-start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.required {
  color: var(--color-red);
}

.form-input {
  padding: 20px 24px;
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(46, 139, 139, 0.15);
}

.form-input.error {
  border-color: var(--color-red);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(178, 34, 52, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 180px;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-red);
  min-height: 24px;
}

.btn-submit {
  align-self: flex-start;
  padding: 22px 56px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  background: rgba(46, 139, 139, 0.08);
  border: 1px solid var(--color-teal);
  border-radius: var(--radius-sm);
  color: var(--color-teal);
  font-weight: 500;
}

.form-success[hidden] {
  display: none;
}

.form-success svg {
  flex-shrink: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-top: 12px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.contact-info-icon {
  flex-shrink: 0;
  color: var(--color-navy);
  margin-top: 4px;
  width: 40px;
  height: 40px;
}

.contact-info-item h3 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.contact-info-item p,
.contact-info-item a {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.contact-info-item a:hover {
  color: var(--color-teal);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-navy);
  color: #FFFFFF;
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  width: 260px;
  height: 260px;
  object-fit: contain;
  margin-bottom: 20px;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-links h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.9);
}

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

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer-social h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.9);
}

.social-icons {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.social-icon:hover {
  background: var(--color-teal);
  color: #FFFFFF;
}

.footer-bottom {
  padding: 30px 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   ABOUT US MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 35, 50, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay[hidden] {
  display: flex;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 64px;
  max-width: 1100px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-overlay.visible .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border: none;
  background: var(--color-bg-alt);
  border-radius: 50%;
  font-size: 1.6rem;
  color: var(--color-text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  line-height: 1;
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-navy);
}

.modal-close:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 32px;
}

.modal-logo {
  width: 180px;
  height: 180px;
  object-fit: contain;
  margin: 0 auto 32px;
}

.modal-body p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
  text-align: justify;
}

.modal-body p:last-child {
  margin-bottom: 0;
}

.modal-placeholder {
  font-style: italic;
  color: var(--color-text-muted) !important;
  font-size: var(--font-size-sm);
}

/* ============================================
   DOMAIN PAGES
   ============================================ */
.domain-page {
  padding-top: var(--header-height);
}

.domain-hero {
  padding: 80px 0 60px;
  text-align: center;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.domain-hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-bottom: 20px;
}

.domain-hero-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.domain-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-navy);
}

.domain-hero p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.domain-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color var(--transition);
}

.domain-back:hover {
  color: var(--color-navy);
}

/* Domain product cards */
.domain-products {
  padding: 100px 0;
}

.domain-product {
  display: flex;
  align-items: flex-start;
  gap: 64px;
  margin-bottom: 80px;
  padding: 56px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition);
}

.domain-product:hover {
  box-shadow: var(--shadow-lg);
}

.domain-product:last-child {
  margin-bottom: 0;
}

.domain-product--reverse {
  flex-direction: row-reverse;
}

.domain-product-content {
  flex: 1;
}

.domain-product-badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-teal);
  background: rgba(46, 139, 139, 0.1);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.domain-product-badge--soon {
  color: var(--color-gold);
  background: rgba(212, 168, 67, 0.12);
}

.domain-product-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 24px;
}

.domain-product-desc {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  margin-bottom: 30px;
  line-height: 1.7;
}

.domain-product-features {
  margin-bottom: 36px;
  padding-left: 0;
  list-style: none;
}

.domain-product-features li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.domain-product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-teal);
}

.domain-product-visual {
  flex-shrink: 0;
  width: 280px;
}

/* Under construction page */
.under-construction {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 40px;
}

.under-construction-img {
  max-width: 1100px;
  width: 100%;
  margin-bottom: 48px;
  opacity: 0.85;
}

.under-construction h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.under-construction p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    min-height: auto;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-cta {
    margin: 0 auto;
  }

  .hero-logo {
    width: 240px;
    height: 240px;
  }

  .featured-product,
  .featured-product--reverse {
    flex-direction: column;
    padding: 32px;
  }

  .featured-product-visual {
    width: 100%;
  }

  .feature-highlights {
    flex-direction: row;
  }

  .highlight-item {
    flex: 1;
  }

  .domain-product,
  .domain-product--reverse {
    flex-direction: column;
    padding: 40px;
  }

  .domain-product-visual {
    width: 100%;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 120px;
    --font-size-3xl: 2.25rem;
    --font-size-4xl: 2.75rem;
  }

  .logo-img {
    width: 80px;
    height: 80px;
  }

  .logo-text {
    font-size: 1.4rem;
  }

  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border);
  }

  .has-dropdown .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 16px;
    min-width: auto;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    background: transparent;
  }

  .has-dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-item {
    padding: 10px 12px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .section-subtitle {
    margin-bottom: 32px;
  }

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

  .feature-highlights {
    flex-direction: row;
    gap: 12px;
  }

  .highlight-item {
    padding: 14px 10px;
  }

  .highlight-number {
    font-size: var(--font-size-2xl);
  }


  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .modal-content {
    padding: 24px;
    margin: 16px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .logo-text {
    font-size: 1rem;
    letter-spacing: 0;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: var(--font-size-base);
  }

  .featured-product {
    padding: 20px;
  }

  .featured-product-title {
    font-size: var(--font-size-xl);
  }
}