:root {
  --ink: #17212b;
  --muted: #5d6975;
  --line: #dfe7ee;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --blue: #1769aa;
  --green: #16875b;
  --orange: #d96c20;
  --teal: #147b83;
  --shadow: 0 18px 50px rgba(28, 44, 60, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--blue);
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav .nav-cta {
  color: var(--ink);
  background: var(--soft);
}

.site-nav .nav-cta {
  color: #fff;
  background: var(--green);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(42px, 6vw, 84px) clamp(18px, 5vw, 70px) 40px;
}

.hero h1,
.page-hero h1,
.detail-hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-text,
.page-hero p,
.detail-hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
}

.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--orange);
}

.button.secondary {
  color: var(--blue);
  background: #eef6fc;
  border-color: #cfe4f4;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.hero-metrics span {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
}

.hero-metrics strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.hero-media img,
.detail-hero img,
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.hero-media {
  min-height: 520px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.section,
.page-hero,
.detail-hero {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 70px);
}

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

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section h2,
.band h2,
.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.08;
}

.section-heading a {
  color: var(--blue);
  font-weight: 800;
}

.category-grid,
.advantage-grid,
.service-grid,
.capability-grid,
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.category-grid {
  grid-template-columns: repeat(4, 1fr);
}

.category-card,
.service-grid article,
.capability-grid article,
.spec-grid article,
.quote-panel,
.contact-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.category-card h3,
.service-grid h2,
.capability-grid h2,
.spec-grid h2 {
  margin: 14px 0 8px;
}

.category-card p,
.service-grid p,
.capability-grid p,
.spec-grid dd,
.quote-panel li,
.contact-panel p {
  color: var(--muted);
}

.chip {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.chip.blue { background: var(--blue); }
.chip.green { background: var(--green); }
.chip.orange { background: var(--orange); }
.chip.teal { background: var(--teal); }

.band {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 5vw, 70px);
  background: #102030;
  color: #fff;
}

.band p,
.band span {
  color: #cbd6df;
}

.band-content {
  max-width: 1120px;
}

.split,
.detail-hero,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
}

.process-list,
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li,
.timeline li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.process-list span,
.timeline strong {
  color: var(--blue);
}

.timeline li {
  grid-template-columns: 150px 1fr;
  border-color: rgba(255, 255, 255, 0.18);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-card img {
  aspect-ratio: 1;
}

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

.detail-hero img {
  min-height: 380px;
}

dl {
  margin: 0;
}

dt {
  margin-top: 12px;
  font-weight: 800;
}

dd {
  margin: 0;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.inquiry-form.compact {
  box-shadow: none;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #cfd9e2;
  border-radius: 8px;
  padding: 12px;
  font: inherit;
}

.full,
.form-status {
  grid-column: 1 / -1;
}

.form-status {
  margin: 0;
  color: var(--green);
  font-weight: 800;
}

.contact-panel {
  align-self: start;
}

.contact-link {
  display: block;
  padding: 14px 0;
  color: var(--blue);
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}

.quote-panel ul {
  margin: 0;
  padding-left: 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 5vw, 70px);
  color: #cbd6df;
  background: #102030;
}

.site-footer strong,
.site-footer a {
  color: #fff;
}

.site-footer p {
  margin: 6px 0 0;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 71px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px 18px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

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

  .hero,
  .split,
  .detail-hero,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-media {
    min-height: 360px;
  }

  .hero-metrics,
  .category-grid,
  .advantage-grid,
  .service-grid,
  .capability-grid,
  .spec-grid,
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand {
    min-width: 0;
  }

  .hero h1,
  .page-hero h1,
  .detail-hero h1 {
    font-size: 38px;
  }

  .hero-metrics,
  .category-grid,
  .advantage-grid,
  .service-grid,
  .capability-grid,
  .spec-grid,
  .product-grid,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

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

  .section-heading,
  .site-footer {
    display: block;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }
}