:root {
  /* Extracted from the live site via browser text capture where possible; direct computed-style crawl was blocked locally. */
  --arti-white: #ffffff;
  --arti-ink: #333333;
  --arti-muted: #666666;
  --arti-border: #d7d7d7;
  --arti-soft: #f4f4f4;
  --arti-brand: #006699;
  --arti-brand-dark: #004d73;
}

body {
  min-height: 100vh;
  color: var(--arti-ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: var(--arti-white);
}

a {
  color: var(--arti-brand);
}

a:hover,
a:focus {
  color: var(--arti-brand-dark);
}

.site-header {
  background: var(--arti-white);
  border-bottom: 1px solid var(--arti-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
}

.navbar-brand img {
  display: block;
  max-width: 190px;
  height: auto;
}

.navbar .nav-link {
  color: var(--arti-ink);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: 0;
  padding-inline: .9rem;
}

.navbar .nav-link.active,
.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--arti-brand);
}

.btn-language,
.btn-primary {
  border-color: var(--arti-brand);
  background: var(--arti-brand);
  color: var(--arti-white);
  font-weight: 700;
}

.btn-language:hover,
.btn-language:focus,
.btn-primary:hover,
.btn-primary:focus {
  border-color: var(--arti-brand-dark);
  background: var(--arti-brand-dark);
  color: var(--arti-white);
}

.hero {
  position: relative;
  min-height: clamp(420px, 56vh, 520px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--arti-soft);
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 31, 47, .82) 0%, rgba(0, 31, 47, .48) 48%, rgba(0, 31, 47, .08) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 3.5rem;
  color: var(--arti-white);
}

h1,
h2 {
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.section {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.narrow {
  max-width: 850px;
}

.product-card {
  position: relative;
  height: 100%;
  padding: 1.25rem;
  border: 1px solid var(--arti-border);
  border-radius: 8px;
  background: var(--arti-white);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.product-card:hover {
  border-color: var(--arti-brand);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .08);
}

.product-card-media {
  aspect-ratio: 16 / 9;
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid var(--arti-border);
  border-radius: 6px;
  background: var(--arti-soft);
}

.product-card-detail {
  min-height: 100%;
}

.accordion-button {
  color: var(--arti-ink);
  font-weight: 700;
}

.accordion-button:not(.collapsed) {
  color: var(--arti-white);
  background: var(--arti-brand);
}

.accordion-button:focus,
.form-control:focus,
.form-check-input:focus {
  border-color: var(--arti-brand);
  box-shadow: 0 0 0 .2rem rgba(0, 102, 153, .18);
}

.download-table {
  border: 1px solid var(--arti-border);
}

.download-icon {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--arti-brand);
  color: var(--arti-white);
  font-size: 1.15rem;
}

.download-icon:hover,
.download-icon:focus {
  background: var(--arti-brand-dark);
  color: var(--arti-white);
}

.contact-block {
  padding: 1.5rem;
  border-left: 4px solid var(--arti-brand);
  background: var(--arti-soft);
}

.static-form,
.auth-card {
  padding: 1.5rem;
  border: 1px solid var(--arti-border);
  border-radius: 8px;
  background: var(--arti-white);
}

.auth-section {
  display: grid;
  place-items: center;
  padding-inline: 1rem;
}

.auth-card {
  width: min(100%, 430px);
}

.form-status {
  min-height: 1.5rem;
  margin-top: 1rem;
  color: var(--arti-muted);
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--arti-border);
  background: var(--arti-soft);
  color: var(--arti-muted);
  font-size: .95rem;
}

.site-footer p {
  margin-bottom: .5rem;
}

@media (max-width: 991.98px) {
  .navbar-nav {
    padding-block: 1rem;
  }

  .btn-language {
    margin-top: .5rem;
  }
}

.hero-content h1 {
  max-width: 760px;
  font-size: clamp(2.5rem, 5vw, 4.75rem);
}

.hero-kicker {
  margin-bottom: .75rem;
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 620px;
  margin: 1.25rem 0 1.75rem;
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.hero-cta {
  display: inline-flex;
  gap: .65rem;
  align-items: center;
  padding: .8rem 1.1rem;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--arti-white);
}

.language-menu .dropdown-menu {
  min-width: 10rem;
}

.language-menu .dropdown-item.active,
.language-menu .dropdown-item:active {
  background: var(--arti-brand);
}

@media (max-width: 575.98px) {
  .hero {
    min-height: 430px;
  }

  .hero::after {
    background: rgba(0, 31, 47, .72);
  }
}
.product-nav {
  display: flex;
  align-items: center;
}

.product-nav .product-main-link { padding-right: .25rem; }
.product-nav:hover > .product-dropdown-menu,
.product-nav:focus-within > .product-dropdown-menu {
  display: block;
}

.product-dropdown-menu {
  top: 100% !important;
  right: auto !important;
  bottom: auto !important;
  left: 0 !important;
  inset: 100% auto auto 0 !important;
  transform: none !important;
  width: min(92vw, 620px);
  margin-top: 0;
  padding: 1rem;
  column-count: 3;
  column-gap: 1.5rem;
}

.product-dropdown-menu > .product-group {
  display: inline-block;
  width: 100%;
  break-inside: avoid;
}

.product-dropdown-menu ul,
.product-tree,
.product-tree ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.product-dropdown-menu .product-group-link {
  display: block;
  margin-bottom: .35rem;
  color: var(--arti-ink);
  font-weight: 700;
  text-decoration: none;
}

.product-dropdown-menu ul a {
  display: block;
  padding: .22rem 0;
  color: var(--arti-muted);
  font-size: .9rem;
  text-decoration: none;
}

.product-dropdown-menu a:hover,
.product-dropdown-menu a:focus,
.product-dropdown-menu a.active { color: var(--arti-brand); }

.product-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.product-sidebar {
  position: sticky;
  top: 105px;
  border-top: 3px solid var(--arti-brand);
}

.product-sidebar h2 {
  margin: 0;
  padding: 1rem 0 .75rem;
  font-size: 1.05rem;
  text-transform: uppercase;
}

.product-tree > .product-group { border-top: 1px solid var(--arti-border); }

.product-tree a {
  display: block;
  padding: .48rem .4rem;
  color: var(--arti-muted);
  font-size: .92rem;
  text-decoration: none;
}

.product-tree .product-group-link {
  padding-top: .8rem;
  color: var(--arti-ink);
  font-weight: 700;
}

.product-tree ul { padding: 0 0 .65rem .75rem; }

.product-tree a:hover,
.product-tree a:focus,
.product-tree a.active { color: var(--arti-brand); }

.product-tree a.active {
  border-left: 3px solid var(--arti-brand);
  background: var(--arti-soft);
}

.product-detail-header { margin-bottom: 2rem; }

.product-detail-header img {
  width: 100%;
  max-height: 360px;
  margin-top: 1.5rem;
  object-fit: contain;
  border: 1px solid var(--arti-border);
  background: var(--arti-white);
}

.product-copy { max-width: 820px; }
.product-copy h2 { margin-top: 2rem; }
.feature-list li { margin-bottom: .45rem; }
.spec-table { font-size: .9rem; }
.breadcrumb { margin-bottom: 1.25rem; font-size: .88rem; }

@media (max-width: 991.98px) {
  .product-nav { flex-wrap: wrap; }
  .product-dropdown-menu { width: 100%; column-count: 1; }
  .product-layout { grid-template-columns: 1fr; }
  .product-sidebar { position: static; }
}
.content-image {
  display: block;
  width: min(100%, 720px);
  max-height: 420px;
  margin: 2rem 0;
  object-fit: contain;
  border: 1px solid var(--arti-border);
  background: var(--arti-white);
}
.category-quote-form {
  max-width: 900px;
}

.quote-field {
  display: grid;
  grid-template-columns: minmax(170px, 280px) minmax(220px, 1fr);
  gap: 1rem;
  align-items: center;
  margin-bottom: .75rem;
}

.quote-field legend {
  width: auto;
  margin: 0;
  font-size: 1rem;
}

.quote-input-wrap {
  display: flex;
  gap: .5rem;
  align-items: center;
}

.input-suffix {
  min-width: 3rem;
  color: var(--arti-muted);
}

.quote-message {
  align-items: start;
  margin-top: 1.25rem;
}

.quote-quantities {
  align-items: start;
}

.quantity-list {
  display: grid;
  gap: .5rem;
}

.quantity-list label {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: .75rem;
  align-items: center;
}

.flange-size-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0 2rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--arti-border);
}

.flange-size-matrix > legend {
  grid-column: 1 / -1;
  font-size: 1rem;
}

.size-column h2 {
  min-height: 2.5rem;
  margin: 0;
  font-size: 1rem;
}

.size-column-head,
.size-column label {
  display: grid;
  grid-template-columns: 1fr 88px;
  gap: .6rem;
  align-items: center;
}

.size-column-head {
  min-height: 3rem;
  color: var(--arti-muted);
  font-size: .8rem;
}

.size-column label {
  margin-bottom: .4rem;
}

.size-column .form-control {
  min-width: 0;
}

@media (max-width: 767.98px) {
  .quote-field {
    grid-template-columns: 1fr;
    gap: .35rem;
  }

  .flange-size-matrix {
    grid-template-columns: 1fr;
  }

  .flange-size-matrix > legend {
    grid-column: auto;
  }

  .size-column h2 {
    min-height: auto;
    margin-top: 1rem;
  }
}
.footer-backlinks {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--arti-border);
  font-size: .85rem;
}

.footer-backlinks span {
  color: var(--arti-ink);
  font-weight: 700;
}

.footer-backlinks a {
  color: var(--arti-muted);
  text-decoration: none;
}

.footer-backlinks a:hover,
.footer-backlinks a:focus {
  color: var(--arti-brand);
  text-decoration: underline;
}