:root {
  --blue: #0b4fa8;
  --deep: #062c63;
  --navy: #061a32;
  --ink: #111927;
  --muted: #5f6c7b;
  --line: rgba(11, 79, 168, 0.16);
  --soft: #f4f7fb;
  --white: #ffffff;
  --silver: #dbe3ee;
  --shadow: 0 22px 65px rgba(6, 44, 99, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--soft);
}

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

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

.container {
  width: min(1180px, calc(100% - 36px));
  margin: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.navbar {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  height: 58px;
  width: auto;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: linear-gradient(145deg, #ffffff, #d9e5f5);
  border: 2px solid var(--blue);
  font-weight: 900;
}

.brand span:last-child {
  color: var(--deep);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #263241;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--blue);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--deep);
  font-size: 24px;
  padding: 8px 12px;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -18px;
  min-width: 230px;
  display: none;
  gap: 4px;
  padding: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  display: grid;
}

.dropdown-menu a {
  padding: 11px 12px;
  border-radius: 6px;
}

.dropdown-menu a:hover {
  background: #edf5ff;
}

.hero {
  min-height: 720px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 16, 32, 1) 0%, rgba(3, 16, 32, 1) 30%, rgba(3, 16, 32, 0.55) 58%, rgba(3, 16, 32, 0.12) 100%),
    var(--hero-image, none) center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 130px;
  background: linear-gradient(0deg, var(--soft), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin-left: max(36px, calc((100vw - 1180px) / 2));
  margin-right: auto;
  padding: 96px 0;
}

.hero-logo {
  width: min(420px, 82vw);
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero .eyebrow,
.dark-band .eyebrow {
  color: #9cc5ff;
}

h1,
h2,
h3 {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 10px;
  font-size: 23px;
}

.lead {
  margin: 0;
  color: #485566;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
}

.hero .lead,
.dark-band .lead {
  color: #dce9f8;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--deep));
}

.secondary {
  color: var(--deep);
  background: var(--white);
  border-color: var(--line);
}

.section {
  padding: 92px 0;
}

.white {
  background: var(--white);
}

.soft {
  background: var(--soft);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 72px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 116px;
}

.faq-intro .btn {
  margin-top: 30px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 35px rgba(6, 44, 99, 0.07);
}

.faq-list summary {
  position: relative;
  padding: 22px 64px 22px 24px;
  color: var(--deep);
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 24px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "\2212";
}

.faq-list details[open] summary {
  padding-bottom: 14px;
}

.faq-list details p {
  margin: 0;
  padding: 0 64px 24px 24px;
  color: var(--muted);
  line-height: 1.7;
}

.dark-band {
  color: var(--white);
  background: linear-gradient(135deg, var(--deep), #04172f);
}

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

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

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

.card:not(.category-card):not(.media-card) {
  padding: 26px;
}

.card-body,
.product-card-body,
.contact-card {
  padding: 26px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  color: var(--deep);
  font-weight: 900;
}

.instagram-mark {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 8px;
  background: radial-gradient(circle at 30% 105%, #fdf497 0 18%, #fd5949 42%, #d6249f 62%, #285aeb 100%);
}

.instagram-mark::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 2px solid var(--white);
  border-radius: 6px;
}

.instagram-mark::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 4px;
  height: 4px;
  background: var(--white);
  border-radius: 50%;
}

.card p,
.product-card p,
.muted {
  color: var(--muted);
  line-height: 1.7;
}

.media-card img,
.product-card img,
.category-visual {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.product-card img {
  object-position: center top;
}

.category-card .category-visual {
  height: 165px;
  object-position: center;
}

.category-card .banner-fit {
  object-fit: contain;
  padding: 10px;
  background: linear-gradient(145deg, #eef4fb, #ffffff);
}

.wide-image {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.model-title {
  font-size: clamp(64px, 11vw, 132px);
  letter-spacing: -0.06em;
}

.category-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.category-card strong,
.product-card strong {
  color: var(--blue);
  font-weight: 900;
}

.explorer-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}

.product-search {
  display: grid;
  gap: 8px;
  width: min(100%, 440px);
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 800;
}

.product-search input {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cad2dd;
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
  font: inherit;
  font-weight: 500;
  padding: 0 15px;
}

.product-search input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(181, 31, 45, 0.12);
  outline: none;
}

.search-status {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 18px;
}

.related-models-section + .product-explorer {
  padding-top: 24px;
}

.category-card span,
.model-tag {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.product-card > span,
.product-card > h3,
.product-card > p,
.product-card > strong {
  margin-left: 26px;
  margin-right: 26px;
}

.product-card > span {
  margin-top: 24px;
}

.product-card > strong {
  margin-top: auto;
  margin-bottom: 24px;
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.product-card-body strong {
  margin-top: auto;
}

.image-placeholder {
  min-height: 210px;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  color: var(--deep);
  background: linear-gradient(145deg, #eef3f9, #ffffff 42%, #c4cfdd);
  border-bottom: 1px solid var(--line);
  font-weight: 900;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.product-gallery {
  display: grid;
  gap: 14px;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: 96px minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 22px;
  align-items: start;
}

.product-detail-layout .product-thumbs {
  grid-template-columns: 1fr;
}

.product-gallery-main {
  width: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--line);
  background: var(--white);
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.product-thumb {
  min-height: 92px;
  padding: 0;
  overflow: hidden;
  background: var(--white);
  border: 2px solid transparent;
  cursor: pointer;
}

.product-thumb.active {
  border-color: var(--blue);
}

.product-thumb img {
  width: 100%;
  height: 92px;
  object-fit: cover;
  object-position: center top;
}

.product-thumb-placeholder {
  min-height: 92px;
  display: grid;
  place-items: center;
  padding: 8px;
  color: var(--deep);
  background: linear-gradient(145deg, #eef3f9, #ffffff 42%, #c4cfdd);
  font-size: 11px;
  font-weight: 900;
  text-align: center;
}

.product-detail-layout > .image-placeholder {
  min-height: 560px;
}

.gallery-grid .image-placeholder:first-child {
  min-height: 430px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
}

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

.table th {
  color: var(--deep);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 22px 0;
}

.spec {
  padding: 14px;
  background: #fbfdff;
  border: 1px solid var(--line);
}

.spec strong {
  display: block;
  color: var(--deep);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dimension-converter {
  padding: 18px;
  background: #fbfdff;
  border: 1px solid var(--line);
}

.unit-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.unit-toggle button {
  padding: 8px 12px;
  color: var(--deep);
  background: var(--white);
  border: 1px solid var(--line);
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.unit-toggle button.active {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.dimension-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dimension-grid strong {
  display: block;
  margin-top: 4px;
  color: var(--deep);
  font-size: 18px;
}

.disclaimer-link {
  display: inline-flex;
  margin-top: 18px;
  padding: 0;
  color: var(--blue);
  background: transparent;
  border: 0;
  border-bottom: 1px solid currentColor;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(3, 16, 32, 0.68);
}

.modal.active {
  display: grid;
}

.modal-card {
  width: min(620px, 100%);
  padding: 28px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.modal-card h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.modal-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.modal-close {
  float: right;
  width: 34px;
  height: 34px;
  color: var(--deep);
  background: #eef5ff;
  border: 1px solid var(--line);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.notice {
  padding: 18px;
  color: #26313b;
  line-height: 1.7;
  background: #eef5ff;
  border-left: 4px solid var(--blue);
}

.model-hero,
.banner-hero {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  display: flex;
  align-items: end;
  color: var(--white);
  background: var(--navy);
}

.banner-hero::before,
.model-hero::before {
  content: "";
  position: absolute;
  inset: -4px;
  opacity: 0.8;
  filter: blur(0.3px) saturate(0.95);
  transform: scale(1.01);
  background: var(--banner-image, none) var(--banner-position, center) / cover no-repeat;
}

.banner-hero::after,
.model-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 18, 37, 0.98) 0%, rgba(4, 18, 37, 0.9) 34%, rgba(4, 18, 37, 0.45) 68%, rgba(4, 18, 37, 0.2) 100%);
}

.model-hero .container,
.banner-hero .container {
  position: relative;
  z-index: 3;
  padding: 70px 0;
}

.model-hero .lead,
.banner-hero .lead {
  max-width: 760px;
  color: #e0ebf8;
}

.breadcrumbs {
  margin-bottom: 16px;
  color: #cfe2fa;
  font-size: 13px;
}

.breadcrumbs a {
  color: #ffffff;
  font-weight: 800;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.feature-list span,
.capability {
  padding: 15px 16px;
  color: var(--deep);
  background: #eef5ff;
  border: 1px solid var(--line);
  font-weight: 800;
}

.comparison-table {
  width: 100%;
  margin-top: 28px;
  border-collapse: collapse;
  background: var(--white);
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.comparison-table th {
  color: var(--deep);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.steel-callout {
  margin-top: 28px;
  padding: 28px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--deep));
}

.steel-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.steel-blocks article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 60px;
  align-items: start;
}

.form-card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field.full-span {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--deep);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  border: 1px solid var(--line);
  font: inherit;
}

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

.hidden-field {
  display: none;
}

.enquiry-strip {
  margin-top: 28px;
  padding: 28px;
  color: var(--white);
  background: linear-gradient(135deg, var(--deep), #04172f);
}

.enquiry-strip h3 {
  color: var(--white);
}

.enquiry-strip p {
  max-width: 760px;
  color: #dce9f8;
}

.full {
  width: 100%;
  margin-top: 12px;
}

.footer {
  padding: 34px 0;
  color: #dce7f5;
  background: #061326;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(260px, 1fr);
  align-items: center;
  gap: 24px;
  font-size: 14px;
}

.footer-legal {
  justify-self: start;
  max-width: 380px;
  line-height: 1.6;
}

.footer-tagline {
  justify-self: center;
  text-align: center;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 10px;
  flex-wrap: wrap;
  text-align: right;
}

.footer-links a {
  color: #dce7f5;
  font-weight: 800;
}

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

.legal-content {
  max-width: 920px;
}

.legal-content h2 {
  margin-top: 34px;
  font-size: 26px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--muted);
  line-height: 1.8;
}

.legal-content ul {
  padding-left: 22px;
}

.catalogue-tool {
  display: grid;
  grid-template-columns: minmax(360px, 0.85fr) minmax(420px, 1.15fr);
  gap: 34px;
  align-items: start;
}

.catalogue-form {
  display: grid;
  gap: 28px;
}

.catalogue-preview-wrap {
  position: sticky;
  top: 104px;
  padding: 16px;
  overflow: auto;
  background: #eef3f9;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

#catalogueCanvas {
  width: 100%;
  height: auto;
  display: block;
  background: var(--white);
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 82px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .dropdown-menu {
    position: static;
    display: grid;
    min-width: 0;
    padding: 6px 0 0;
    border: 0;
    box-shadow: none;
  }

  .hero {
    min-height: 620px;
  }

  .section {
    padding: 64px 0;
  }

  .grid-3,
  .grid-4,
  .steel-blocks,
  .split,
  .contact-grid,
  .feature-list,
  .gallery-grid,
  .specs,
  .dimension-grid,
  .product-thumbs,
  .catalogue-tool,
  .faq-layout,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .faq-intro {
    position: static;
  }

  .catalogue-preview-wrap {
    position: static;
  }

  .form-field.full-span {
    grid-column: auto;
  }

  .brand img {
    height: 50px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .product-detail-layout {
    grid-template-columns: 1fr;
  }

  .explorer-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .product-search {
    width: 100%;
  }

  .footer-legal,
  .footer-tagline,
  .footer-links {
    justify-self: center;
    text-align: center;
  }
}