:root {
  --navy: #0c2340;
  --blue: #1b74d1;
  --teal: #18b6bd;
  --graphite: #5d636b;
  --steel: #eaeef2;
  --ink: #14202e;
  --line: #d3dae1;
  --bs-font-sans-serif: "Barlow", system-ui, sans-serif;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body {
  font-family: "Barlow", system-ui, sans-serif;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.6;
}
h1,
h2,
h3,
h4,
.brand-font {
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
  color: var(--navy);
}
h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 2.9rem);
}
h3 {
  font-size: 1.5rem;
}
a {
  color: var(--blue);
}
a:hover {
  color: var(--navy);
}
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}
.btn {
  border-radius: 2px;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
}
.btn-brand {
  background: var(--blue);
  color: #fff;
  border: 2px solid var(--blue);
}
.btn-brand:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.btn-line {
  border: 2px solid #fff;
  color: #fff;
}
.btn-line:hover {
  background: #fff;
  color: var(--navy);
}
.btn-line-dark {
  border: 2px solid var(--navy);
  color: var(--navy);
}
.btn-line-dark:hover {
  background: var(--navy);
  color: #fff;
}
.section {
  padding: 5rem 0;
}
.section-alt {
  background: var(--steel);
}
.section-head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}
.section-head p {
  color: var(--graphite);
}
/* header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: box-shadow 0.2s;
}
.site-header.scrolled {
  box-shadow: 0 2px 14px rgba(12, 35, 64, 0.12);
}
.site-header .navbar-brand img {
  height: 70px;
  width: auto;
}
.site-header .nav-link {
  color: var(--navy);
  font-weight: 600;
  padding: 0.6rem 0.9rem;
}
.site-header .nav-link:hover,
.site-header .nav-link.active {
  color: var(--blue);
  box-shadow: inset 0 -3px 0 var(--blue);
}
.dropdown-menu {
  border-radius: 2px;
  border: 1px solid var(--line);
}
/* hero: blueprint grid */
.hero {
  background: var(--navy);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  color: #fff;
  padding: 4.5rem 0;
}
.hero h1 {
  color: #fff;
}
.hero p.lead {
  color: #cfdbe8;
  max-width: 34rem;
}
.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
  padding: 0;
  list-style: none;
}
.spec-tags li {
  background-color: #000000a1;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 0.25rem 0.7rem;
  font-size: 0.95rem;
}
.spec-tags b {
  color: white;
}
.hero-plate {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.hero-plate figure {
  margin: 0;
  background: #fff;
  border: 1px solid #fff;
  position: relative;
}
.hero-plate figure:first-child {
  grid-row: span 2;
}
.hero-plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-plate figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  padding: 0.15rem 0.6rem;
}
.page-banner {
  background: var(--navy);
  color: #fff;
  padding: 3rem 0;
}
.page-banner h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
}
.page-banner p {
  color: #cfdbe8;
  margin: 0.5rem 0 0;
}
.page-banner .breadcrumb a {
  color: #9fc4ee;
}
.page-banner .breadcrumb-item.active,
.breadcrumb-item + .breadcrumb-item::before {
  color: #cfdbe8;
}
/* cards */
.card-item {
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
  height: -webkit-fill-available;
}
.card-item:hover {
  border-color: var(--blue);
}
.card-item .thumb {
  aspect-ratio: 4/3;
  background: var(--steel);
  overflow: hidden;
}
.card-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-item .body {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-item .body p {
  color: var(--graphite);
  font-size: 0.98rem;
  flex: 1;
}
.cat-label {
  font-size: 0.85rem;
  color: var(--blue);
  font-weight: 600;
}
.icon-box {
  display: flex;
  gap: 1rem;
}
.icon-box i {
  font-size: 2rem;
  color: var(--blue);
  line-height: 1;
}
.stat {
  border-left: 4px solid var(--teal);
  padding-left: 1rem;
}
.stat .n {
  font-family: "Barlow Condensed";
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1;
}
.cta-band {
  background: var(--blue);
  color: #fff;
  padding: 3.5rem 0;
}
.cta-band h2 {
  color: #fff;
}
/* filters */
.filter-bar .btn {
  margin: 0 0.4rem 0.5rem 0;
  padding: 0.4rem 1rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
}
.filter-bar .btn.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.spec-table th {
  width: 38%;
  background: var(--steel);
  font-weight: 600;
}
.detail-img {
  background: var(--steel);
  border: 1px solid var(--line);
  padding: 1rem;
  text-align: center;
}
.detail-img img {
  max-width: 100%;
  max-height: 460px;
}
/* gallery */
.gallery-grid {
  columns: 3 240px;
  column-gap: 14px;
}
.gallery-grid button {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--line);
  background: #fff;
  margin-bottom: 14px;
  break-inside: avoid;
}
.gallery-grid img {
  width: 100%;
  display: block;
}
/* footer */
.site-footer {
  background: var(--navy);
  color: #c3d0de;
  padding: 4rem 0 0;
}
.site-footer h3 {
  color: #fff;
  font-size: 2.25rem;
}
.site-footer a {
  color: #c3d0de;
  text-decoration: none;
}
.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer li {
  margin-bottom: 0.35rem;
}
.footer-logo {
  background: #fff;
  padding: 0.4rem 0.6rem;
  display: inline-block;
  margin-bottom: 1rem;
}
.footer-logo img {
  height: 70px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 3rem;
  padding: 1.1rem 0;
  font-size: 0.9rem;
}
#toTop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--navy);
  color: #fff;
  display: none;
  z-index: 1000;
}
#toTop.show {
  display: block;
}
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: 0.5s;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}
.img-fluid {
  max-width: 75%;
  height: auto;
}

/* ===== Catalog photography (ASSA ABLOY Catalog 2024 Door Group) =====
   Photos sit under a navy gradient so white text keeps contrast. Each image has a .webp twin (image-set)
   with a .jpg fallback, and a smaller -md version for phones. */
picture {
  display: contents;
}
.hero {
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.62) 100%
    ),
    url("../images/banners/home-banner.jpg");
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.62) 100%
    ),
    image-set(
      url("../images/banners/home-banner.webp") type("image/webp"),
      url("../images/banners/home-banner.jpg") type("image/jpeg")
    );
  background-size:
    40px 40px,
    40px 40px,
    cover,
    cover;
  background-position:
    0 0,
    0 0,
    center,
    center 45%;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
}
.page-banner {
  background-size: cover;
  background-repeat: no-repeat;
}
.page-banner.banner-about {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/about-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/about-banner.webp") type("image/webp"),
      url("../images/banners/about-banner.jpg") type("image/jpeg")
    );
  background-position: center 40%;
}
.page-banner.banner-products {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/products-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/products-banner.webp") type("image/webp"),
      url("../images/banners/products-banner.jpg") type("image/jpeg")
    );
  background-position: center 55%;
}
.page-banner.banner-services {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/services-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/services-banner.webp") type("image/webp"),
      url("../images/banners/services-banner.jpg") type("image/jpeg")
    );
  background-position: center 45%;
}
.page-banner.banner-projects {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/projects-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/projects-banner.webp") type("image/webp"),
      url("../images/banners/projects-banner.jpg") type("image/jpeg")
    );
  background-position: center 50%;
}
.page-banner.banner-gallery {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/gallery-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/gallery-banner.webp") type("image/webp"),
      url("../images/banners/gallery-banner.jpg") type("image/jpeg")
    );
  background-position: center 50%;
}
.page-banner.banner-contact {
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    url("../images/banners/cta-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(12, 35, 64, 0.92) 0%,
      rgba(12, 35, 64, 0.78) 55%,
      rgba(12, 35, 64, 0.6) 100%
    ),
    image-set(
      url("../images/banners/cta-banner.webp") type("image/webp"),
      url("../images/banners/cta-banner.jpg") type("image/jpeg")
    );
  background-position: center 40%;
}
.cta-band {
  background-size: cover;
  background-repeat: no-repeat;
  background-image:
    linear-gradient(
      90deg,
      rgba(27, 116, 209, 0.94) 0%,
      rgba(12, 35, 64, 0.88) 100%
    ),
    url("../images/banners/cta-banner.jpg");
  background-image:
    linear-gradient(
      90deg,
      rgba(27, 116, 209, 0.94) 0%,
      rgba(12, 35, 64, 0.88) 100%
    ),
    image-set(
      url("../images/banners/cta-banner.webp") type("image/webp"),
      url("../images/banners/cta-banner.jpg") type("image/jpeg")
    );
  background-position: center 40%;
}
/* product photos: show the whole door, blend white-background renders into the card */
.card-item .thumb img.fit-contain,
.card-item .thumb img.fit-cutout {
  object-fit: contain;
  object-position: center;
  padding: 0.6rem;
}
.card-item .thumb img.fit-cutout,
.detail-img img.fit-cutout {
  mix-blend-mode: multiply;
}
.hero-plate img {
  object-position: center;
}