:root {
  color-scheme: light;
  --ink: #173247;
  --ink-soft: #29475b;
  --muted: #5a6f7d;
  --blue: #347cb2;
  --blue-dark: #276797;
  --green: #5c8068;
  --paper: #f5f7f5;
  --line: #dce4e1;
  --white: #fff;
  --page-width: 72rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--blue-dark);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--green);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid #93c9e6;
  outline-offset: 3px;
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-160%);
  border-radius: 0.25rem;
  background: var(--white);
  color: var(--ink);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 2;
  background: var(--white);
}

.header-inner,
.footer-inner,
.section,
.hero-inner,
.methods-inner,
.contact-inner,
.article-main {
  width: min(100% - 3rem, var(--page-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 5.6rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: block;
  width: 13.6rem;
  flex: 0 0 auto;
}

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

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}

.primary-nav a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 580;
  text-decoration: none;
}

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

.primary-nav .nav-contact {
  padding: 0.68rem 1.1rem;
  border: 1px solid var(--blue);
  border-radius: 0.28rem;
  color: var(--blue-dark);
}

.primary-nav .nav-contact:hover {
  background: var(--blue);
  color: var(--white);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 91% 6%, rgb(61 132 174 / 32%), transparent 29rem),
    linear-gradient(112deg, #142f43 0%, #183b51 63%, #214e63 100%);
  color: var(--white);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 35rem;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.75fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: 5rem 5.5rem;
}

.hero-copy {
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #c7dce8;
  font-size: 0.76rem;
  font-weight: 720;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
}

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

.eyebrow-blue {
  color: var(--blue-dark);
}

.eyebrow-light {
  color: #a8d0de;
}

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

.hero h1 {
  max-width: 16ch;
  margin-bottom: 1.3rem;
  font-size: clamp(2.7rem, 5.2vw, 4.75rem);
  font-weight: 630;
  letter-spacing: -0.06em;
  line-height: 1.04;
}

.hero-intro {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: #e0e9ed;
  font-size: clamp(1.08rem, 1.7vw, 1.24rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.3rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 680;
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}

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

.button-light:hover {
  background: #e8f2f2;
  color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--blue-dark);
  font-weight: 650;
  text-decoration-thickness: 1px;
  text-decoration-color: transparent;
}

.text-link:hover {
  color: var(--blue-dark);
  text-decoration-color: currentColor;
}

.text-link-light {
  color: var(--white);
}

.text-link-light:hover {
  color: var(--white);
}

.hero-aside {
  position: relative;
  padding: 1.5rem 0 0 1.6rem;
  border-left: 1px solid rgb(222 237 239 / 32%);
}

.aside-label {
  margin-bottom: 1.4rem;
  color: #b6ccd6;
  font-size: 0.76rem;
  font-weight: 680;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.focus-item {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid rgb(222 237 239 / 19%);
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 560;
}

.focus-index {
  color: #a9d1be;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.aside-note {
  max-width: 18rem;
  margin: 1.3rem 0 0;
  color: #c4d5dc;
  font-size: 0.91rem;
}

.hero-rule {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  height: 0.24rem;
}

.hero-rule span:nth-child(1) {
  width: 42%;
  background: var(--green);
}

.hero-rule span:nth-child(2) {
  width: 38%;
  background: var(--blue);
}

.hero-rule span:nth-child(3) {
  flex: 1;
  background: #a4c7d4;
}

.section {
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.section-heading h2,
.news-heading h2,
.methods-copy h2,
.product-copy h2,
.contact-copy h2,
.news-page-heading h1,
.news-article h1 {
  margin-bottom: 0;
  font-size: clamp(2.15rem, 4.4vw, 3.5rem);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.section-intro {
  padding-top: 0.1rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-intro p:last-child {
  margin-bottom: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.service-card {
  min-height: 15.5rem;
  padding: 1.5rem 1.55rem 1.7rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  background: var(--white);
}

.service-card:nth-child(2) {
  border-top-color: var(--blue);
}

.service-card:nth-child(3) {
  border-top-color: #94a3a6;
}

.service-index {
  margin-bottom: 2rem;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 720;
  letter-spacing: 0.16em;
}

.service-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.25rem;
  font-weight: 640;
  letter-spacing: -0.02em;
}

.service-card > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.methods-section {
  overflow: hidden;
  background: #eef3f1;
}

.methods-inner {
  display: grid;
  min-height: 24rem;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(3rem, 9vw, 9rem);
  padding-block: 5rem;
}

.methods-flow {
  display: grid;
  width: min(100%, 23rem);
  justify-self: center;
  gap: 0.65rem;
}

.flow-step {
  display: flex;
  min-height: 4.3rem;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid #cfddda;
  background: rgb(255 255 255 / 74%);
  color: var(--ink);
}

.flow-step span {
  width: 1.9rem;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.flow-step strong {
  font-weight: 620;
}

.flow-arrow {
  padding-left: 1.45rem;
  color: var(--blue-dark);
  font-size: 1.1rem;
  line-height: 0.85;
}

.methods-copy {
  max-width: 41rem;
}

.methods-copy h2 {
  max-width: 12ch;
  margin-bottom: 1.25rem;
}

.methods-copy > p:not(.eyebrow):not(.methods-statement) {
  max-width: 39rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.methods-statement {
  max-width: 34rem;
  margin-bottom: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--green);
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 620;
}

.product-section {
  padding-block: clamp(4rem, 8vw, 6.5rem);
}

.product-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  background: linear-gradient(138deg, #f5f7f4, #eef3f4);
}

.product-copy h2 {
  margin-bottom: 1rem;
}

.product-intro {
  max-width: 39rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.product-dates {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.product-dates p {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 590;
}

.date-marker {
  position: relative;
  top: -0.1rem;
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
}

.product-note {
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.product-logo-wrap {
  display: grid;
  min-height: 16rem;
  align-content: center;
  justify-items: center;
  padding: 1.8rem;
  background: var(--white);
  text-align: center;
}

.product-logo {
  display: block;
  width: min(100%, 20rem);
  height: auto;
}

.product-logo-wrap p {
  margin: -0.4rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.field-test-callout {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.field-test-copy {
  max-width: 48rem;
}

.field-test-copy h3 {
  margin-bottom: 0.6rem;
  font-size: 1.28rem;
  font-weight: 640;
  letter-spacing: -0.02em;
}

.field-test-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.button-field-test {
  flex: 0 0 auto;
  background: var(--blue-dark);
  color: var(--white);
}

.button-field-test:hover {
  background: var(--ink);
  color: var(--white);
}

.news-section {
  padding-top: 0;
  padding-bottom: clamp(4.5rem, 9vw, 7.5rem);
}

.news-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.news-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

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

.news-card {
  display: flex;
  min-height: 17rem;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.45rem 1.5rem 1.55rem;
  border: 1px solid var(--line);
  background: var(--white);
}

.news-date {
  margin-bottom: 0.9rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 690;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.news-card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.25rem;
  font-weight: 630;
  line-height: 1.3;
}

.news-card h3 a,
.news-list-item h2 a {
  color: var(--ink);
  text-decoration: none;
}

.news-card h3 a:hover,
.news-list-item h2 a:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.news-card > p:not(.news-date) {
  margin-bottom: 1.4rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.news-card .text-link {
  margin-top: auto;
  font-size: 0.9rem;
}

.news-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px solid var(--line);
  color: var(--muted);
}

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

.contact-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: clamp(4rem, 8vw, 6rem);
}

.contact-copy h2 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
}

.contact-copy > p:not(.eyebrow):not(.email-alternative) {
  max-width: 26rem;
  color: #d0dee3;
  font-size: 1.04rem;
}

.email-alternative {
  margin-top: 2rem;
  color: #d0dee3;
  font-size: 0.9rem;
}

.email-alternative a {
  color: var(--white);
  font-weight: 620;
}

.contact-form-wrap {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgb(230 241 242 / 22%);
  background: rgb(255 255 255 / 5%);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row label {
  color: #edf3f5;
  font-size: 0.88rem;
  font-weight: 600;
}

.form-row label span {
  color: #b6c8cf;
  font-weight: 400;
}

.form-row input,
.form-row textarea {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #8ea5b0;
  border-radius: 0.22rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.form-row textarea {
  min-height: 7rem;
  resize: vertical;
}

.button-submit {
  justify-self: start;
  background: #a7c9b3;
  color: #142f43;
  cursor: pointer;
}

.button-submit:hover:not(:disabled) {
  background: #c2dfcd;
}

.button-submit:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.form-status {
  margin: 0;
  color: #d0dee3;
  font-size: 0.84rem;
}

.form-privacy-note {
  margin: 0;
  color: #d0dee3;
  font-size: 0.84rem;
  line-height: 1.5;
}

.form-privacy-note a {
  color: var(--white);
}

.site-footer {
  background: #102838;
  color: #c3d1d6;
}

.footer-inner {
  display: flex;
  min-height: 5.2rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.82rem;
}

.footer-inner p {
  margin: 0;
}

.footer-brand {
  color: var(--white);
  font-weight: 750;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.footer-inner > a:last-child {
  color: #e8f0f2;
}

.article-main {
  min-height: 65vh;
  padding-block: clamp(4rem, 8vw, 6rem);
}

.news-page-heading {
  max-width: 46rem;
  margin-bottom: 3rem;
}

.news-page-heading h1,
.news-article h1 {
  margin-bottom: 1rem;
}

.page-intro {
  color: var(--muted);
  font-size: 1.08rem;
}

.page-intro p:last-child {
  margin-bottom: 0;
}

.news-list {
  max-width: 52rem;
  border-top: 1px solid var(--line);
}

.news-list-item {
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.news-list-item h2 {
  margin-bottom: 0.5rem;
  font-size: 1.55rem;
  line-height: 1.3;
}

.news-list-item > p:not(.news-date) {
  max-width: 42rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
}

.news-article {
  max-width: 48rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2.5rem;
  color: var(--blue-dark);
  font-weight: 650;
  text-decoration: none;
}

.news-article .news-date {
  margin-bottom: 0.8rem;
}

.article-summary {
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: 1.2rem;
}

.article-content {
  max-width: 44rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.article-content p {
  margin-bottom: 1.3rem;
}

@media (max-width: 900px) {
  .hero-inner {
    min-height: 0;
    grid-template-columns: minmax(0, 1.2fr) minmax(14rem, 0.8fr);
    gap: 3rem;
  }

  .section-heading {
    gap: 3rem;
  }

  .product-panel {
    gap: 2rem;
  }

  .contact-inner {
    gap: 3rem;
  }
}

@media (max-width: 700px) {
  .header-inner,
  .footer-inner,
  .section,
  .hero-inner,
  .methods-inner,
  .contact-inner,
  .article-main {
    width: min(100% - 2rem, var(--page-width));
  }

  .header-inner {
    min-height: 5rem;
    flex-wrap: wrap;
    gap: 0.15rem 1rem;
    padding-block: 0.5rem;
  }

  .brand {
    width: 10.4rem;
  }

  .primary-nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.4rem;
    padding-bottom: 0.35rem;
  }

  .primary-nav a {
    font-size: 0.8rem;
  }

  .primary-nav .nav-contact {
    padding: 0.28rem 0.55rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-block: 4.5rem 4rem;
  }

  .hero h1 {
    max-width: 16ch;
    font-size: clamp(2.7rem, 9vw, 4.4rem);
  }

  .hero-aside {
    max-width: 31rem;
    padding-top: 1rem;
  }

  .section-heading,
  .methods-inner,
  .product-panel,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 1.5rem;
  }

  .service-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
  }

  .service-index {
    margin-bottom: 1.25rem;
  }

  .methods-inner {
    gap: 2.5rem;
  }

  .field-test-callout {
    align-items: flex-start;
    flex-direction: column;
  }

  .methods-flow {
    width: min(100%, 24rem);
  }

  .product-panel {
    padding: 1.5rem;
  }

  .product-logo-wrap {
    min-height: 12rem;
  }

  .news-heading {
    align-items: start;
    flex-direction: column;
    gap: 1rem;
  }

  .news-card {
    min-height: 0;
  }

  .contact-inner {
    gap: 2rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    padding-block: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}