:root {
  --ink: #112231;
  --muted: #4f6473;
  --line: #dbe5ea;
  --surface: #f3f8fa;
  --white: #ffffff;
  --blue: #136a93;
  --blue-dark: #0b4967;
  --green: #2b775f;
  --gold: #b8832f;
  --shadow: 0 18px 50px rgba(17, 34, 49, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: var(--white);
}

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

a {
  color: var(--blue-dark);
  text-underline-offset: 0.18em;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue-dark);
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 24px;
}

.brand img {
  width: 150px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 0.78rem;
  font-weight: 800;
}

.language-switcher a {
  min-width: 32px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--blue-dark);
  text-align: center;
  text-decoration: none;
  background: var(--white);
}

.language-switcher a[aria-current="page"] {
  color: var(--white);
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 6px;
  color: var(--white);
  background: var(--blue-dark);
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  color: var(--blue-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

.hero {
  padding: 48px 0 34px;
  background: linear-gradient(180deg, #eef7f9 0%, #ffffff 100%);
}

.hero-grid,
.two-column,
.market-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(280px, 0.78fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
}

h1 {
  max-width: 760px;
  font-size: 3rem;
}

h2 {
  font-size: 2.45rem;
}

h3 {
  font-size: 1.25rem;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-media {
  margin: 0;
  justify-self: end;
}

.hero-media img {
  width: min(100%, 370px);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.proof-band {
  border-block: 1px solid var(--line);
  background: var(--white);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid div {
  padding: 22px 20px;
  border-left: 1px solid var(--line);
}

.proof-grid div:last-child {
  border-right: 1px solid var(--line);
}

.proof-grid strong {
  display: block;
  color: var(--blue-dark);
  font-size: 1.55rem;
  line-height: 1.1;
}

.proof-grid span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 76px 0;
}

.section-muted {
  background: var(--surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p,
.two-column p,
.market-grid p,
.contact-grid p {
  color: var(--muted);
}

.product-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-grid {
  grid-template-columns: repeat(4, 1fr);
}

.product-card,
.article-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--surface);
}

.card-body,
.article-card {
  padding: 22px;
}

.card-body p,
.article-card p {
  color: var(--muted);
}

.product-card ul,
.check-list {
  padding-left: 20px;
}

.product-card li,
.check-list li {
  margin: 6px 0;
}

.reverse {
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1fr);
}

.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.image-pair img,
.quality-figure img,
.map-panel img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.image-pair .wide {
  grid-column: span 2;
  max-height: 330px;
  object-fit: cover;
}

.quality-figure {
  margin: 0;
}

.map-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 16px;
  align-items: center;
}

.article-card {
  min-height: 230px;
  color: var(--ink);
  text-decoration: none;
}

.article-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.article-card:hover,
.article-card:focus {
  border-color: var(--blue);
  box-shadow: var(--shadow);
}

.contact-section {
  padding: 72px 0;
  color: var(--white);
  background: var(--blue-dark);
}

.contact-grid {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
}

.contact-grid .eyebrow,
.contact-grid p {
  color: #d7edf4;
}

.contact-card {
  display: grid;
  gap: 6px;
  padding: 26px;
  color: var(--ink);
  font-style: normal;
}

.contact-card a {
  font-weight: 700;
}

.certificate-callout {
  display: grid;
  grid-template-columns: 65px 1fr;
  gap: 16px;
  align-items: center;
  margin: 22px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.certificate-callout p {
  margin: 0;
}

.operations-grid {
  display: grid;
  gap: 18px;
}

.operations-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.operations-gallery figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}

.operations-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.operations-gallery figcaption {
  margin: 0;
  padding: 12px 14px 14px;
}

.site-footer {
  padding: 52px 0 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.65);
}

.footer-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo-link img {
  width: 130px;
  filter: brightness(0) invert(1);
  opacity: 0.82;
}

.footer-address {
  font-size: 0.88rem;
  font-style: normal;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
}

.footer-address a {
  color: rgba(255, 255, 255, 0.8);
  text-underline-offset: 0.2em;
}

.footer-address a:hover {
  color: var(--white);
}

.footer-nav {
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
}

.footer-col strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.38);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom nav {
  display: flex;
  gap: 20px;
  white-space: nowrap;
}

.footer-bottom nav a {
  color: rgba(255, 255, 255, 0.38);
  text-decoration: none;
}

.footer-bottom nav a:hover {
  color: rgba(255, 255, 255, 0.7);
}

.article-page {
  background: linear-gradient(180deg, #eef7f9 0, #ffffff 240px);
}

.article-layout {
  max-width: 820px;
  padding: 64px 0 80px;
}

.article-layout h1 {
  font-size: 3.1rem;
}

.article-layout h2 {
  margin-top: 42px;
  font-size: 1.85rem;
}

.article-layout p {
  color: var(--muted);
  font-size: 1.04rem;
}

.article-meta {
  margin: 10px 0 0;
  font-size: 0.82rem !important;
  color: var(--muted) !important;
  opacity: 0.7;
}

.article-meta time {
  font-weight: 700;
}

.article-hero {
  width: 100%;
  max-height: 420px;
  margin: 34px 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  background: var(--surface);
}

.article-cta {
  margin-top: 44px;
}

.product-hero-section {
  padding: 58px 0 38px;
  background: linear-gradient(180deg, #eef7f9 0%, #ffffff 100%);
}

.product-hero-grid,
.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 44px;
  align-items: start;
}

.product-hero-media {
  margin: 0;
}

.product-hero-media img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--surface);
}

.product-detail {
  padding-block: 44px 82px;
}

.product-main-copy h2,
.product-side-panel h2 {
  margin-top: 34px;
  font-size: 1.55rem;
}

.product-main-copy h2:first-child,
.product-side-panel h2:first-child {
  margin-top: 0;
}

.product-main-copy p,
.product-side-panel {
  color: var(--muted);
}

.product-side-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.spec-table {
  width: 100%;
  margin: 18px 0 6px;
  border-collapse: collapse;
  background: var(--white);
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 32%;
  color: var(--blue-dark);
  background: var(--surface);
}

.related-links {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.related-links a,
.text-link {
  color: var(--blue-dark);
  font-weight: 800;
}

.product-card .text-link {
  display: inline-flex;
  margin-top: 10px;
}

@media (max-width: 900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .footer-nav {
    gap: 32px;
    flex-wrap: wrap;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .language-switcher {
    width: 100%;
    margin-left: 0;
  }

  .hero-grid,
  .two-column,
  .market-grid,
  .contact-grid,
  .reverse,
  .product-hero-grid,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .hero-media {
    justify-self: start;
  }

  .proof-grid,
  .product-grid,
  .article-grid,
  .operations-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .wrap {
    width: min(100% - 24px, 1120px);
  }

  .site-header {
    position: static;
  }

  .header-inner {
    min-height: auto;
    padding: 14px 0;
  }

  .nav {
    gap: 14px;
    font-size: 0.9rem;
  }

  .language-switcher {
    overflow-x: auto;
  }

  .brand img {
    width: 120px;
  }

  .hero,
  .section,
  .contact-section {
    padding: 30px 0;
  }

  .lead {
    font-size: 1.04rem;
  }

  h1,
  .article-layout h1 {
    font-size: 1.9rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .article-layout h2 {
    font-size: 1.5rem;
  }

  .hero-media img {
    width: 100%;
    max-height: 110px;
    object-fit: cover;
  }

  .hero-media {
    width: 100%;
  }

  .hero-media figcaption {
    display: none;
  }

  .proof-grid,
  .product-grid,
  .article-grid,
  .operations-gallery,
  .map-panel {
    grid-template-columns: 1fr;
  }

  .certificate-callout {
    grid-template-columns: 1fr;
  }

  .proof-grid div {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .image-pair {
    grid-template-columns: 1fr;
  }

  .image-pair .wide {
    grid-column: auto;
  }
}