:root {
  --ink: #102235;
  --muted: #5d6d7a;
  --line: #d9e4ea;
  --blue: #379fd9;
  --blue-section: #70bde3;
  --blue-dark: #0c6da1;
  --cyan: #6bd3f2;
  --green: #2f9d7e;
  --paper: #ffffff;
  --soft: #f5f9fb;
  --deep: #1f97cf;
  --deep-soft: #dff1f8;
  --shadow: 0 24px 70px rgba(12, 50, 75, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
  padding: 13px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgba(217, 228, 234, 0.8);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 178px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.88rem;
  font-weight: 650;
}

.site-nav a {
  text-decoration: none;
  color: #31495b;
}

.site-nav a:hover {
  color: var(--blue-dark);
}

.nav-cta {
  padding: 10px 16px;
  color: #fff !important;
  background: var(--blue-dark);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(72px, 8vw, 116px) clamp(20px, 5vw, 80px) 56px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 47%, rgba(255, 255, 255, 0.38) 100%),
    linear-gradient(180deg, #fff 0%, #f5f9fb 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 24px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(2.45rem, 4.45vw, 4.3rem);
  font-stretch: normal;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.85rem, 3vw, 3rem);
  font-weight: 690;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
  font-weight: 720;
  line-height: 1.2;
}

.hero-lede {
  max-width: 630px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 720;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--blue-dark);
  box-shadow: 0 12px 28px rgba(12, 109, 161, 0.22);
}

.button.secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  max-width: 680px;
}

.hero-metrics div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-metrics dt {
  font-size: 1.08rem;
  font-weight: 760;
}

.hero-metrics dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

.product-card {
  margin: 0;
  padding: clamp(10px, 1.7vw, 16px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  height: min(43vw, 430px);
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
  background: #dff0f8;
}

.cert-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.cert-strip img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.cert-strip strong,
.cert-strip span {
  display: block;
}

.cert-strip span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: clamp(66px, 8vw, 104px) clamp(20px, 5vw, 80px);
  scroll-margin-top: 72px;
}

.section-heading {
  max-width: 850px;
  margin-bottom: clamp(28px, 5vw, 58px);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid article,
.availability-panel,
.accuracy-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.intro-grid article {
  padding: 28px;
}

.intro-grid p,
.application-list p,
.availability-panel p,
.accuracy-card p,
.quote-copy p {
  color: var(--muted);
}

.split-band {
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.22), transparent 46%),
    var(--blue-section);
}

.split-band .eyebrow,
.split-band p {
  color: #24495d;
}

.application-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: start;
}

.lab-figure {
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(55, 159, 217, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
}

.lab-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.application-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(55, 159, 217, 0.22);
  border-radius: 8px;
}

.application-list div {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 24px;
  background: rgba(255, 255, 255, 0.58);
}

.application-list h3,
.application-list p {
  margin-bottom: 0;
}

.application-list p {
  grid-column: 2;
}

.application-list span {
  color: var(--blue-dark);
  font-weight: 760;
}

.availability-panel {
  padding: 28px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
}

.availability-panel .eyebrow {
  color: var(--green);
}

.spec-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(12, 50, 75, 0.07);
}

th,
td {
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  width: 42%;
  color: #315066;
  background: #f8fbfd;
  font-weight: 720;
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

.accuracy-card {
  align-self: start;
  padding: 28px;
  background: linear-gradient(180deg, #fff, #f6fbfd);
}

.accuracy-card a {
  display: inline-flex;
  margin-top: 8px;
  color: var(--blue-dark);
  font-weight: 720;
  text-decoration: none;
}

.integration {
  background: var(--soft);
}

.diagram-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

figure {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

figure img {
  width: 100%;
  height: min(46vw, 470px);
  object-fit: contain;
  background: #fff;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.75fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.map-card {
  overflow: hidden;
  margin: 26px 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.map-card iframe {
  display: block;
  width: 100%;
  height: 240px;
  border: 0;
  filter: saturate(0.88);
}

.map-card a {
  display: block;
  padding: 12px 14px;
  color: var(--blue-dark);
  font-size: 0.9rem;
  font-weight: 720;
  text-decoration: none;
  background: #f7fbfd;
}

label {
  display: grid;
  gap: 7px;
  color: #31495b;
  font-size: 0.88rem;
  font-weight: 720;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cbd8df;
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 80px);
  color: #31566b;
  background: var(--deep-soft);
}

.site-footer img {
  width: 54px;
  height: 46px;
  object-fit: contain;
  border-radius: 4px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--blue-dark);
  text-decoration: none;
}

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

  .site-nav {
    position: fixed;
    inset: 72px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px;
  }

  .nav-cta {
    margin-top: 6px;
    text-align: center;
  }

  .hero,
  .application-layout,
  .spec-wrap,
  .diagram-grid,
  .quote-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .application-list div {
    grid-template-columns: 44px 1fr;
  }

  .application-list p {
    grid-column: 2;
  }

  .lab-figure img {
    height: 320px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
  }

  .brand img {
    width: 146px;
  }

  .site-nav {
    inset: 68px 16px auto 16px;
  }

  .hero {
    padding-top: 50px;
  }

  .hero-bg {
    opacity: 0.2;
  }

  .lab-figure img {
    height: 260px;
  }

  .product-card img {
    height: 300px;
  }

  .hero-metrics,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .quote-form .full {
    grid-column: auto;
  }

  th,
  td {
    display: block;
    width: 100%;
  }

  th {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  td {
    padding-top: 4px;
  }

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