:root {
  --blue: #0038b8;
  --blue-dark: #081f4d;
  --green: #04964a;
  --ink: #172033;
  --muted: #5f6b7a;
  --line: #d9e1ea;
  --soft: #f4f7fa;
  --white: #ffffff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #ffffff;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 10px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 145px;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-dark);
}

.site-nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: 48px;
  min-height: calc(100vh - 72px);
  padding: 56px clamp(18px, 5vw, 72px) 40px;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(0, 56, 184, 0.08), rgba(4, 150, 74, 0.05) 44%, rgba(255, 255, 255, 0)),
    #fff;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.98;
  color: var(--blue-dark);
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(26px, 3.1vw, 42px);
  line-height: 1.08;
  color: var(--blue-dark);
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  color: var(--blue-dark);
}

.hero-lead {
  max-width: 660px;
  margin-bottom: 28px;
  color: #3e4b5d;
  font-size: 18px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 620px;
  margin-bottom: 16px;
  border: 1px solid rgba(0, 56, 184, 0.16);
  background: rgba(0, 56, 184, 0.16);
}

.hero-metrics div {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.8);
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--blue);
  background: white;
}

.identity-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 780px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.identity-strip div {
  min-height: 88px;
  padding: 14px;
  background: white;
}

dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 0;
  line-height: 1.35;
}

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 420px;
}

.hero-media img {
  width: min(100%, 500px);
  height: auto;
  display: block;
  filter: drop-shadow(0 28px 46px rgba(6, 24, 52, 0.18));
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--blue-dark);
  color: white;
}

.proof-band div {
  padding: 24px clamp(18px, 4vw, 48px);
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.proof-band strong,
.proof-band span {
  display: block;
}

.proof-band strong {
  margin-bottom: 6px;
  font-size: 18px;
}

.proof-band span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.45;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 20px;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 36px;
  align-items: start;
}

.section-copy p,
.section-heading p,
.visual-feature p,
.technical-feature p,
.contact-section p {
  color: var(--muted);
  line-height: 1.6;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.capability-grid div {
  padding: 18px;
  border-left: 4px solid var(--green);
  background: var(--soft);
  color: var(--blue-dark);
  font-weight: 800;
}

.visual-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 36px;
  align-items: center;
}

.visual-feature img,
.technical-feature img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
}

.technical-feature {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 12px 14px;
  border-left: 4px solid var(--green);
  background: var(--soft);
  color: var(--blue-dark);
  font-weight: 700;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 24px;
}

.product-tools {
  display: grid;
  grid-template-columns: minmax(260px, 520px) 1fr;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
}

.search-box span,
.result-count {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.search-box input {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
}

.search-box input:focus {
  border-color: var(--blue);
  outline: 2px solid rgba(0, 56, 184, 0.12);
}

.result-count {
  margin-bottom: 12px;
  text-align: right;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: white;
  color: var(--blue-dark);
  font-weight: 800;
  cursor: pointer;
}

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

.product-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.38fr) minmax(0, 0.62fr);
  gap: 20px;
  align-items: start;
}

.product-list {
  max-height: 720px;
  overflow: auto;
  border: 1px solid var(--line);
}

.product-item {
  width: 100%;
  padding: 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: white;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.product-item strong,
.product-item span {
  display: block;
}

.product-item strong {
  margin-bottom: 5px;
  color: var(--blue-dark);
  font-size: 14px;
}

.product-item span {
  color: var(--muted);
  font-size: 12px;
}

.product-item.active {
  background: #f0f6ff;
}

.product-detail {
  min-height: 520px;
  padding: 24px;
  border: 1px solid var(--line);
  background: white;
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 18px 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.detail-meta div {
  padding: 12px;
  background: var(--soft);
}

.detail-text {
  color: var(--muted);
  line-height: 1.55;
}

.data-table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table td,
.data-table th {
  padding: 9px 10px;
  border: 1px solid var(--line);
  vertical-align: top;
}

.data-table th {
  background: var(--soft);
  color: var(--blue-dark);
  text-align: left;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.application-grid article {
  border: 1px solid var(--line);
  background: white;
}

.application-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.application-grid h3,
.application-grid p {
  padding: 0 14px;
}

.application-grid h3 {
  margin-top: 14px;
}

.application-grid p {
  color: var(--muted);
  line-height: 1.5;
}

.brochure-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(0, 56, 184, 0.22);
  color: white;
  text-decoration: none;
  background: var(--blue-dark);
}

.brochure-download strong,
.brochure-download em,
.brochure-download b {
  display: block;
}

.brochure-download strong {
  margin-bottom: 4px;
  font-size: 18px;
}

.brochure-download em {
  color: rgba(255, 255, 255, 0.72);
  font-style: normal;
}

.brochure-download b {
  flex: 0 0 auto;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  font-size: 13px;
}

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

.download-link {
  padding: 14px;
  border: 1px solid var(--line);
  color: var(--blue-dark);
  text-decoration: none;
  background: white;
  font-weight: 800;
}



.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.download-mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.download-mini-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--blue);
  color: var(--blue);
  text-decoration: none;
  font-size: 12px;
  font-weight: 800;
}

.download-mini-actions a:first-child {
  background: var(--blue);
  color: white;
}

.download-link strong {
  display: block;
}

.download-link span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 40px;
  padding: 72px clamp(20px, 5vw, 72px);
  background: var(--blue-dark);
  color: white;
}

.contact-section h2 {
  color: white;
}

.contact-section p,
.contact-section .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
}

.contact-card dl {
  margin: 0;
}

.contact-card div {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-card dt {
  color: rgba(255, 255, 255, 0.68);
}

.contact-card a {
  color: white;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  padding: 22px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .hero,
  .about,
  .technical-feature,
  .visual-feature,
  .product-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .identity-strip,
  .proof-band,
  .hero-metrics,
  .detail-meta,
  .application-grid,
  .downloads-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 2px;
  }

  .brand {
    width: 135px;
  }

  h1 {
    font-size: 38px;
  }

  .identity-strip,
  .proof-band,
  .hero-metrics,
  .detail-meta,
  .application-grid,
  .downloads-list,
  .product-tools,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .result-count {
    text-align: left;
  }

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

  .product-detail {
    padding: 16px;
  }
}