:root {
  --bg: #f5f6f4;
  --surface: #ffffff;
  --ink: #1d2328;
  --muted: #5d6872;
  --line: #d9dee3;
  --steel: #26313f;
  --steel-light: #334150;
  --red: #c20e18;
  --red-dark: #8d0c13;
  --gold: #d5a70f;
  --green: #68725f;
  --shadow: 0 12px 34px rgba(21, 26, 32, 0.10);
  --radius: 6px;
  color-scheme: light;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.58;
}

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

a {
  color: #1164a8;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--red);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 10px 14px;
  color: #fff;
  background: var(--steel);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brandbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 86px;
  height: 61px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  color: var(--red);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0;
}

.brand span span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.quick-contact {
  display: grid;
  gap: 4px;
  text-align: right;
  font-size: 14px;
  color: var(--muted);
}

.quick-contact a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.site-nav {
  background: var(--steel);
}

.nav-inner {
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 21px;
  height: 2px;
  background: currentColor;
  content: "";
}

.nav-toggle-bars {
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -7px;
}

.nav-toggle-bars::after {
  top: 7px;
}

.nav-list {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 15px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: #fff;
  background: var(--red);
}

.nav-list:has(.nav-link:hover) .nav-link.is-active:not(:hover),
.nav-list:has(.nav-link:focus-visible) .nav-link.is-active:not(:focus-visible) {
  background: transparent;
}

.subnav {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 10;
  display: none;
  width: 300px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.nav-item:hover .subnav,
.nav-item:focus-within .subnav {
  display: block;
}

.subnav a {
  display: block;
  padding: 10px 14px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.subnav a:hover,
.subnav a:focus-visible {
  color: var(--red);
  background: #f4f6f8;
}

.hero {
  background: var(--steel);
  color: #fff;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 34px;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  min-height: 540px;
  margin: 0 auto;
  padding: 42px 0 50px;
}

.hero-copy {
  display: grid;
  gap: 22px;
}

.title-strip {
  width: min(100%, 680px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.18);
}

.hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.06;
  font-weight: 700;
}

.hero p {
  max-width: 620px;
  margin: 0;
  color: #dfe5eb;
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: #fff;
  background: var(--red);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  color: #fff;
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.button-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.46);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.hero-gallery {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  background: #111922;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 450ms ease;
}

.hero-gallery img.is-active {
  opacity: 1;
}

.gallery-controls {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: flex;
  gap: 8px;
}

.gallery-controls button {
  width: 38px;
  height: 38px;
  color: #fff;
  background: rgba(0, 0, 0, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.page-title {
  background: #e9ecef;
  border-bottom: 1px solid var(--line);
}

.page-title-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}

.breadcrumbs {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
}

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

.page-title h1 {
  max-width: 980px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 286px;
  gap: 34px;
  align-items: start;
}

.content {
  min-width: 0;
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.content > :last-child {
  margin-bottom: 0;
}

.content p {
  margin: 0 0 16px;
}

.content h2,
.content h3 {
  margin: 28px 0 14px;
  line-height: 1.2;
}

.content ul,
.content ol {
  padding-left: 24px;
}

.content li {
  margin: 7px 0;
}

.pdf-preview-card {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: min(100%, 360px);
  margin: 10px 0 14px;
  padding: 10px;
  color: var(--ink);
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
}

.pdf-preview-card:hover,
.pdf-preview-card:focus-visible {
  color: var(--ink);
  border-color: #aeb8c2;
  box-shadow: 0 6px 18px rgba(21, 26, 32, 0.10);
}

.pdf-preview-img {
  width: 82px;
  height: 116px;
  object-fit: cover;
  object-position: top center;
  background: #fff;
  border: 1px solid #c7cfd7;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(21, 26, 32, 0.12);
  cursor: pointer;
}

.pdf-preview-text {
  display: grid;
  gap: 4px;
}

.pdf-preview-text span {
  color: #1164a8;
  font-weight: 700;
}

.content table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}

.content caption {
  padding: 0 0 12px;
  color: var(--steel);
  font-weight: 700;
  text-align: left;
}

.content th,
.content td {
  padding: 9px 10px;
  border: 1px solid #cbd2d9;
  vertical-align: top;
}

.content th {
  background: #f0f3f6;
  font-weight: 700;
}

.table-scroll {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.table-scroll table {
  margin: 0;
  border: 0;
}

.center_h,
.center_img {
  text-align: center;
}

.center_img img {
  display: inline-block;
  width: min(100%, 540px);
  margin: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(28, 35, 42, 0.10);
}

.section_image_list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0;
}

.img_inline_block {
  margin: 0;
}

.img_inline_block img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.img_inline_block p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  display: inline-block;
  padding: 10px 12px;
  color: #6f4d00;
  background: #fff4d6;
  border: 1px solid #e7cf86;
  border-radius: var(--radius);
}

.content img:not(.pdf-icon) {
  cursor: zoom-in;
}

.sidebar {
  display: grid;
  gap: 20px;
}

.side-block {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-block h2 {
  margin: 0 0 12px;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.25;
}

.side-menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-menu a {
  display: block;
  padding: 9px 0;
  border-top: 1px solid #eef1f3;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.side-menu li:first-child a {
  border-top: 0;
}

.side-menu a.is-active {
  color: var(--red);
  font-weight: 700;
}

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

.banner-list img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-card {
  color: var(--muted);
  font-size: 14px;
}

.contact-card a {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 22px;
}

.contact-map-grid {
  grid-template-columns: 1fr;
  gap: 28px;
}

.contact-section {
  padding: 18px;
  background: #f7f8fa;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-map-grid .contact-section {
  padding: 0 0 28px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.contact-map-grid .contact-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-section h2 {
  margin-top: 0;
  font-size: 18px;
}

.static-map {
  margin: 16px 0 0;
}

.static-map img {
  display: block;
  width: 100%;
  aspect-ratio: 65 / 36;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.static-map figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.fireproofing-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0 0;
}

.fireproofing-item {
  margin: 0;
}

.fireproofing-item img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.site-footer {
  color: #dce2e7;
  background: var(--steel);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0;
  font-size: 14px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-nav a,
.site-footer a {
  color: #fff;
  text-decoration: none;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 15, 20, 0.86);
  border: 0;
  cursor: zoom-out;
}

.image-lightbox img {
  max-width: min(100%, 1180px);
  max-height: 92vh;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}

@media (max-width: 900px) {
  .brandbar,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .brandbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .quick-contact {
    text-align: left;
  }

  .nav-inner {
    display: block;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding-bottom: 10px;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-link {
    justify-content: space-between;
    min-height: 42px;
    padding: 0;
  }

  .subnav {
    position: static;
    display: block;
    width: auto;
    padding: 0 0 8px 14px;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .subnav a {
    color: #e9eef3;
  }

  .hero-inner,
  .content-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: 0;
  }

  .hero-gallery {
    min-height: 300px;
  }

  .content {
    padding: 22px;
  }

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

@media (max-width: 620px) {
  .brand img {
    width: 68px;
    height: 48px;
  }

  .brand strong {
    font-size: 31px;
  }

  .brand span span {
    font-size: 12px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-gallery {
    min-height: 230px;
  }

  .page-title-inner,
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .content {
    padding: 18px;
  }

  .section_image_list,
  .fireproofing-gallery,
  .sidebar {
    grid-template-columns: 1fr;
  }

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

@media print {
  .site-nav,
  .hero-gallery,
  .sidebar,
  .gallery-controls,
  .site-footer {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .content,
  .page-title {
    border: 0;
  }

  a {
    color: #000;
  }
}