:root {
  color-scheme: dark light;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #12263f;
  background: #f8fafc;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  background: #f8fafc;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: #0f172a;
  font-weight: 700;
}
.brand img {
  width: 144px;
  height: auto;
  border-radius: 8px;
}
.brand span {
  display: none;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.main-nav a {
  color: #334155;
  text-decoration: none;
  font-weight: 500;
}
.main-nav a:hover {
  color: #0f172a;
}

/* Nested Navigation Menu */
.main-nav .nav-item {
  position: relative;
  display: inline-block;
}

.main-nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 15rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
  border-radius: 0.5rem;
  padding: 0.5rem 0;
  z-index: 20;
  list-style: none;
  margin: 0;
}

.main-nav .has-children:hover > .sub-menu {
  display: block;
}

.main-nav .sub-menu .sub-menu {
  top: 0;
  left: 100%;
  /* Removed margin-left to prevent the "dead zone" gap that caused the menu to disappear on hover */
}

.main-nav .sub-menu li {
  position: relative;
}

.main-nav .sub-menu li a {
  display: block;
  padding: 0.6rem 1rem;
  color: #334155;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.2s, color 0.2s;
}

.main-nav .sub-menu li a:hover {
  background: #f1f5f9;
  color: #0f172a;
}

/* Indicator for items with children */
.main-nav .has-children > a::after {
  content: ' ›';
  float: right;
  margin-left: 0.5rem;
  opacity: 0.6;
}

/* Mobile Adjustment */
@media (max-width: 768px) {
  .main-nav .sub-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid #e2e8f0;
    margin-left: 1rem;
    padding-left: 0;
  }
  .main-nav .nav-item.open > .sub-menu {
    display: block;
  }
  .main-nav .sub-menu .sub-menu {
    position: static;
    margin-left: 1rem;
  }
}

.language-switcher {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.75rem;
}
.language-switcher a {
  font-size: 0.9rem;
  color: #334155;
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.language-switcher a:hover,
.language-switcher a.active {
  background: #eff6ff;
  color: #0f172a;
  border-color: #cbd5e1;
}
.menu-toggle {
  display: none;
  border: none;
  gap: 0.35rem;
  padding: 0.5rem;
  background: transparent;
}
.menu-toggle span {
  width: 1.4rem;
  height: 2px;
  background: #0f172a;
  display: block;
}
.section {
  padding: 4rem 0;
}
.section-hero {
  background: linear-gradient(125deg, #1b263b 0%, #28528c 100%);
  color: #ffffff;
}
.hero-grid,
.why-grid,
.story-grid,
.footer-grid,
.contact-grid,
.values-grid,
.cards-grid {
  display: grid;
  gap: 2rem;
}
.hero-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr);
  align-items: center;
  min-height: calc(100vh - 92px);
  padding: 3rem 0;
}
.hero-copy h1,
.section-header h2 {
  font-size: clamp(2.25rem, 3vw, 4rem);
  margin: 0.75rem 0 1rem;
  line-height: 1.05;
}
.hero-copy p,
.hero-section-header p,
.feature-box p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 58ch;
}
.section-intro p,
.product-card p,
.list-item p,
.contact-details p,
.contact-card p {
  color: #475569;
  max-width: 58ch;
}
.section-header {
  text-align: center;
}
.hero-section-header {
  background: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: 24px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}
.hero-section-header .eyebrow {
  color: #2563eb;
}
.hero-section-header h2 {
  color: #0f172a;
}
.hero-section-header p {
  color: #475569;
  max-width: 55ch;
  margin: 0 auto;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #cbd5e1;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.button:hover {
  transform: translateY(-1px);
}
.button-primary {
  background: #ffb703;
  color: #0f172a;
}
.button-secondary {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.section-list .button-secondary {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.12);
}
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  padding: 2rem;
}
.card-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 2rem;
}
.card-stats div {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1rem 1.2rem;
}
.card-stats strong {
  display: block;
  font-size: 2rem;
}
.card-stats span {
  color: rgba(255, 255, 255, 0.7);
}
.hero-feature h2 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  margin-bottom: 1rem;
}
.section-products,
.section-values,
.section-list,
.section-contact,
.section-story,
.section-why,
.section-contact-promo,
.section-corporate-logo {
  background: #ffffff;
  color: #0f172a;
}
.section-products {
  background: linear-gradient(to bottom, #ffffff 0%, #f9fafb 100%);
}
.section-product-hero {
  background: linear-gradient(125deg, #1b263b 0%, #28528c 100%);
  color: #ffffff;
}
.product-hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
  align-items: center;
}
.product-hero-copy h1 {
  color: #ffffff;
}
.product-hero-copy p {
  color: rgba(255, 255, 255, 0.86);
  max-width: 55ch;
}
.product-hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  padding: 2rem;
}
.product-hero-meta {
  margin-bottom: 1.5rem;
}
.product-hero-meta span {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #cbd5e1;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}
.product-hero-meta strong {
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  line-height: 1.05;
}
.section-product-pdf {
  background: #f8fbff;
  padding: 4rem 0;
}
.product-pdf-card {
  background: #ffffff;
  border: 1px solid #dbeafe;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.08);
  padding: 1rem;
}
.product-pdf-card iframe {
  width: 100%;
  min-height: 760px;
  border: none;
}
.cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.product-card,
.value-card,
.feature-box,
.list-item,
.contact-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 2rem;
  border-left: 5px solid #ffb703;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.contact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}
.product-card h3,
.value-card h3,
.list-item h2,
.contact-card h3 {
  margin-top: 0;
}
.product-card p,
.value-card p,
.feature-box p,
.list-item p {
  color: #475569;
}
.section-why {
  padding: 4rem 0;
}
.why-grid {
  grid-template-columns: 1.25fr 0.85fr;
  align-items: center;
}
.why-graphic {
  display: grid;
  gap: 1.5rem;
}
.feature-box {
  border-radius: 24px;
  padding: 1.8rem;
  background: #0f172a;
  color: #ffffff;
}
.feature-box-alt {
  background: #1e293b;
}
.checklist {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: grid;
  gap: 0.75rem;
}
.checklist li {
  position: relative;
  padding-left: 1.9rem;
  color: #334155;
}
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: #ffb703;
}
.section-contact-promo {
  background: #0f172a;
  color: #ffffff;
}
.contact-promo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: #17284d;
  border-radius: 28px;
  padding: 2rem;
}
.section-intro {
  padding-top: 5rem;
  padding-bottom: 3rem;
  background: #ffffff;
  color: #0f172a;
}
.section-intro-hero {
  background: linear-gradient(125deg, #1b263b 0%, #28528c 100%);
  color: #ffffff;
  padding-top: 5rem;
  padding-bottom: 3rem;
}
.section-intro-hero h1 {
  font-size: clamp(2.25rem, 3vw, 4rem);
  margin: 0.75rem 0 1rem;
  line-height: 1.05;
}
.section-intro-hero p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 58ch;
}
.section-story {
  padding: 4rem 0;
}
.section-story-alt {
  background: linear-gradient(to bottom, #f0f9ff 0%, #ffffff 100%);
  padding: 4rem 0;
}
.story-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: flex-start;
}
.story-image {
  display: grid;
  gap: 1.5rem;
}
.values-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.section-list {
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  padding: 4rem 0;
}
.section-list .product-list {
  display: grid;
  gap: 1.5rem;
}
.list-item {
  border-left: 5px solid #ffb703;
}
.section-contact {
  background: linear-gradient(135deg, #f0f9ff 0%, #f5f3ff 100%);
  padding: 4rem 0;
}
.contact-grid {
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: rgba(15, 23, 42, 0.03);
  border-radius: 24px;
  padding: 2rem;
}
.contact-form {
  display: grid;
  gap: 1rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 2rem;
}
.contact-form label {
  display: grid;
  gap: 0.65rem;
  font-weight: 600;
  color: #0f172a;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid #cbd5e1;
  font-family: inherit;
  font-size: 1rem;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #0f172a;
  box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.08);
}
.form-message {
  color: #065f46;
  font-weight: 600;
  min-height: 1.2rem;
}
.site-footer {
  border-top: 1px solid #e2e8f0;
  background: #ffffff;
  color: #475569;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr 0.9fr;
  gap: 2rem;
  padding: 3rem 0 1.5rem;
}
.footer-grid h4,
.site-footer h3 {
  margin-bottom: 1rem;
}
.footer-grid a {
  display: block;
  text-decoration: none;
  color: #475569;
  margin-bottom: 0.65rem;
}
.footer-bottom {
  border-top: 1px solid #e2e8f0;
  padding: 1.2rem 0;
  text-align: center;
  font-size: 0.95rem;
  color: #94a3b8;
}
@media (max-width: 980px) {
  .hero-grid,
  .why-grid,
  .story-grid,
  .footer-grid,
  .contact-grid,
  .values-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .contact-promo,
  .hero-card,
  .feature-box,
  .contact-form {
    padding: 1.75rem;
  }
}
@media (max-width: 768px) {
  .header-inner {
    gap: 0.5rem;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #ffffff;
    padding: 1rem 1.25rem;
    display: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .main-nav.open {
    display: flex;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .contact-promo {
    flex-direction: column;
    text-align: center;
  }
  .hero-grid {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}
@media (max-width: 520px) {
  .hero-copy h1,
  .section-header h2 {
    font-size: 2.5rem;
  }
  .button {
    width: 100%;
  }
}

/* Brands Section */
.section-brands {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  padding: 4rem 0;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.brand-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.brand-logo {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.brand-logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.brand-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1b263b;
  margin-bottom: 1rem;
}

.brand-products {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.brand-products li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9rem;
  color: #64748b;
}

.brand-products li:last-child {
  border-bottom: none;
}

.brand-products li:before {
  content: "✓";
  color: #ffb703;
  font-weight: bold;
  margin-right: 0.5rem;
}

@media (max-width: 768px) {
  .section-brands {
    padding: 3rem 0;
  }

  .brands-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .brand-card {
    padding: 1.5rem;
  }

  .brand-logo {
    height: 60px;
    margin-bottom: 1rem;
  }
}

/* Corporate Logo Section */
.section-corporate-logo {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  padding: 5rem 0;
}

.corporate-logo-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.corporate-logo {
  max-width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
}

.corporate-logo-box h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1b263b;
  margin: 0;
  letter-spacing: -0.02em;
}

.corporate-logo-box p {
  font-size: 1.1rem;
  color: #64748b;
  max-width: 60ch;
  margin: 0;
}

@media (max-width: 768px) {
  .section-corporate-logo {
    padding: 3rem 0;
  }

  .corporate-logo {
    max-height: 200px;
  }

  .corporate-logo-box h2 {
    font-size: 1.8rem;
  }

  .corporate-logo-box p {
    font-size: 1rem;
  }
