:root {
  --ink: #14212a;
  --muted: #52616b;
  --line: #d9e2e5;
  --paper: #f6f9f8;
  --white: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0a4f4a;
  --blue: #1f5e8c;
  --amber: #b7791f;
  --shadow: 0 18px 45px rgba(20, 33, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid rgba(217, 226, 229, 0.9);
  backdrop-filter: blur(12px);
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--teal-dark);
  color: var(--white);
  font-weight: 800;
  border-radius: 6px;
}

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

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

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

.site-nav a {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

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

.site-nav .nav-cta {
  color: var(--white);
  background: var(--teal);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  background: linear-gradient(90deg, rgba(4, 24, 31, 0.86) 0%, rgba(4, 24, 31, 0.66) 42%, rgba(4, 24, 31, 0.16) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding: 56px 0;
  color: var(--white);
}

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

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

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 12px 0 10px;
  font-size: 21px;
  line-height: 1.18;
}

.hero-copy {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin-top: 34px;
}

.hero-stats div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
}

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

.hero-stats strong {
  font-size: 18px;
}

.hero-stats span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.section {
  padding: clamp(58px, 9vw, 104px) clamp(18px, 4vw, 56px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.intro-band {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.split p {
  margin-top: 0;
  color: var(--muted);
  font-size: 17px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

.section-heading .note {
  color: var(--muted);
}

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

.product-card {
  min-height: 292px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(20, 33, 42, 0.05);
}

.card-code {
  display: inline-flex;
  min-width: 42px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  padding: 5px 8px;
  color: var(--teal-dark);
  background: #e3f4f0;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 800;
}

.product-card p,
.product-card li {
  color: var(--muted);
}

.product-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.applications {
  background: #e8f1f0;
}

.application-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.application-list a {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  min-height: 82px;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
  text-decoration: none;
}

.application-list a:hover {
  border-color: var(--teal);
}

.application-list strong,
.application-list span {
  display: block;
}

.application-list span {
  max-width: 330px;
  color: var(--muted);
  font-size: 14px;
  text-align: right;
}

.specs {
  background: var(--white);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--white);
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--teal-dark);
  background: #eef7f4;
  font-size: 13px;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

td:first-child {
  color: var(--ink);
  font-weight: 800;
}

.compliance {
  background: #f1f5f1;
}

.compliance-panel {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: 8px;
}

.about {
  background: var(--white);
}

.sample {
  background: var(--ink);
  color: var(--white);
}

.sample-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 70px);
}

.sample-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card {
  display: grid;
  gap: 4px;
  margin-top: 28px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.contact-card a {
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
}

.contact-card span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.sample-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.sample-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.sample-form label:nth-last-of-type(1),
.sample-form label:nth-last-of-type(2),
.form-button,
.form-status {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fbfdfd;
  border: 1px solid #cbd8dc;
  border-radius: 6px;
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.72);
  background: #0b171c;
}

.site-footer p {
  margin: 4px 0 0;
}

.site-footer a,
.site-footer span {
  display: block;
  color: rgba(255, 255, 255, 0.84);
  text-align: right;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 18px 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

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

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

  .product-grid,
  .application-list,
  .split,
  .sample-layout {
    grid-template-columns: 1fr;
  }

  .application-list a {
    display: block;
  }

  .application-list span {
    max-width: none;
    margin-top: 6px;
    text-align: left;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: block;
  }

  .site-footer a,
  .site-footer span {
    margin-top: 6px;
    text-align: left;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-overlay {
    background: rgba(4, 24, 31, 0.78);
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 auto;
    padding: 78px 0 54px;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }

  .sample-form {
    grid-template-columns: 1fr;
    padding: 18px;
  }
}