:root {
  --blue-900: #0b2742;
  --blue-800: #0d3b66;
  --blue-700: #145c9e;
  --blue-100: #e8f1f8;
  --steel-900: #18212b;
  --steel-700: #344253;
  --steel-500: #6a7786;
  --steel-300: #c9d2dc;
  --steel-100: #f4f7fa;
  --white: #ffffff;
  --line: #dbe3eb;
  --shadow: 0 18px 45px rgba(11, 39, 66, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--steel-900);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

.top-strip {
  background: var(--blue-900);
  color: var(--white);
  font-size: 0.88rem;
}

.top-strip__inner,
.site-header__inner,
.section,
.footer__inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.top-strip__inner {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
}

.contact-inline {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.contact-inline a {
  text-decoration: none;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 170px;
  text-decoration: none;
}

.brand img {
  width: 132px;
  height: auto;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--steel-300);
  border-radius: 6px;
  background: var(--white);
  color: var(--blue-900);
  font-size: 1.35rem;
  line-height: 1;
}

.site-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.site-nav a {
  padding: 10px 11px;
  border-radius: 6px;
  color: var(--steel-700);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue-800);
  background: var(--blue-100);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  color: var(--white);
  background: var(--blue-800);
}

.btn--primary:hover {
  background: var(--blue-700);
}

.btn--light {
  color: var(--blue-900);
  background: var(--white);
}

.btn--outline {
  color: var(--blue-800);
  border-color: var(--blue-800);
  background: transparent;
}

.btn--small {
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.hero {
  position: relative;
  min-height: 68svh;
  max-height: 720px;
  overflow: hidden;
  color: var(--white);
  background: var(--blue-900);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(8, 29, 49, 0.86) 0%, rgba(8, 29, 49, 0.66) 44%, rgba(8, 29, 49, 0.24) 100%),
    url("../assets/home/home_hero_product_group.png") center right / cover no-repeat;
}

.hero__inner {
  position: relative;
  width: min(var(--max), calc(100% - 32px));
  min-height: inherit;
  max-height: inherit;
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 56px 0;
}

.hero__content {
  width: min(650px, 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue-100);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p {
  max-width: 610px;
  margin: 18px 0 26px;
  color: #edf5fb;
  font-size: 1.06rem;
}

.section {
  padding: 64px 0;
}

.section--tight {
  padding: 42px 0;
}

.section--band {
  width: 100%;
  max-width: none;
  background: var(--steel-100);
}

.section--band > .section__inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head h2,
.page-hero h1 {
  color: var(--blue-900);
}

.section-head h2,
.compact-head h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-head p,
.compact-head p {
  margin: 0;
  color: var(--steel-700);
}

.compact-head {
  max-width: 760px;
  margin-bottom: 24px;
}

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

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(11, 39, 66, 0.06);
}

.card__media {
  aspect-ratio: 4 / 3;
  background: var(--steel-100);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__media--contain img {
  object-fit: contain;
  padding: 12px;
  background: #f8fafc;
}

.card__body {
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
  color: var(--blue-900);
  font-size: 1.08rem;
  line-height: 1.25;
}

.card p {
  margin: 0;
  color: var(--steel-700);
  font-size: 0.96rem;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  padding-bottom: 6px;
}

.product-card {
  min-width: 0;
}

.page-hero {
  background: linear-gradient(180deg, #f8fbfd 0%, #eef4f9 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero__inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 30px;
  align-items: center;
}

.page-hero p {
  margin: 16px 0 0;
  color: var(--steel-700);
  font-size: 1.03rem;
}

.page-hero__image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

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

.product-section {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.product-section:first-of-type {
  border-top: 0;
}

.product-section h2 {
  margin: 0 0 10px;
  color: var(--blue-900);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  letter-spacing: 0;
}

.product-section p {
  margin: 0 0 18px;
  color: var(--steel-700);
}

.image-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.image-strip img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: contain;
  background: #f8fafc;
  padding: 10px;
}

.download-list,
.rfq-list {
  display: grid;
  gap: 14px;
}

.download-item,
.info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.download-item h3,
.info-row h3 {
  margin: 0 0 4px;
  color: var(--blue-900);
}

.download-item p,
.info-row p {
  margin: 0;
  color: var(--steel-700);
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
}

.step {
  position: relative;
  padding: 18px 18px 18px 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.step::before {
  position: absolute;
  left: 18px;
  top: 18px;
  width: 30px;
  height: 30px;
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  font-weight: 800;
  background: var(--blue-800);
}

.step h3 {
  margin: 0 0 5px;
  color: var(--blue-900);
}

.step p {
  margin: 0;
  color: var(--steel-700);
}

.cta-band {
  color: var(--white);
  background: var(--blue-900);
}

.cta-band .section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.cta-band h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.cta-band p {
  margin: 0;
  color: #dfeaf3;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 22px;
}

.contact-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact-box h2,
.contact-box h3 {
  margin: 0 0 12px;
  color: var(--blue-900);
}

.contact-box p {
  margin: 0 0 10px;
  color: var(--steel-700);
}

.rfq-list {
  padding-left: 18px;
  color: var(--steel-700);
}

.site-footer {
  color: #dfeaf3;
  background: var(--blue-900);
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr) minmax(220px, 0.8fr);
  gap: 28px;
  padding: 42px 0;
}

.site-footer img {
  width: 112px;
  height: auto;
  margin-bottom: 14px;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 12px;
  color: var(--white);
  font-size: 1rem;
}

.site-footer p,
.site-footer a {
  color: #dfeaf3;
  text-decoration: none;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-bottom__inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0;
  color: #b7c7d7;
  font-size: 0.88rem;
}

@media (max-width: 960px) {
  .site-header__inner {
    min-height: 68px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
  }

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

  .site-nav a {
    padding: 12px;
  }

  .top-strip__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 8px 0;
  }

  .section-head,
  .page-hero__inner,
  .product-section,
  .contact-panel,
  .cta-band .section,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr 1fr;
  }

  .cta-band .btn-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .top-strip {
    font-size: 0.78rem;
    line-height: 1.28;
  }

  .top-strip__inner,
  .site-header__inner,
  .section,
  .section--band > .section__inner,
  .page-hero__inner,
  .footer__inner,
  .footer-bottom__inner {
    width: min(100% - 22px, var(--max));
  }

  .top-strip__inner {
    gap: 2px;
    min-height: 0;
    padding: 6px 0;
  }

  .contact-inline {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }

  .contact-inline a {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .site-header__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
  }

  .nav-toggle {
    justify-self: end;
  }

  .brand img {
    width: 112px;
  }

  .hero {
    min-height: 64svh;
  }

  .hero__inner {
    width: min(100% - 22px, var(--max));
    padding: 44px 0;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(8, 29, 49, 0.92) 0%, rgba(8, 29, 49, 0.72) 100%),
      url("../assets/home/home_hero_product_group.png") center / cover no-repeat;
  }

  .grid--3,
  .grid--2,
  .image-strip,
  .download-item,
  .info-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 44px 0;
  }

  .page-hero__inner {
    padding: 38px 0;
  }

  .btn {
    width: 100%;
  }

  p,
  h1,
  h2,
  h3,
  a {
    overflow-wrap: anywhere;
  }
}