:root {
  color-scheme: light;
  --ink: #162126;
  --muted: #53616a;
  --paper: #f7f8f5;
  --white: #ffffff;
  --line: #dce3df;
  --line-strong: #b9c7c2;
  --teal: #0b7b83;
  --teal-dark: #075960;
  --green: #2f7d4f;
  --amber: #d99a2b;
  --coral: #c85f4d;
  --shadow: 0 18px 50px rgba(21, 33, 38, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

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

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
  padding: 0.9rem 5vw;
  background: rgba(247, 248, 245, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 220px;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(135deg, var(--teal-dark), var(--green));
  font-weight: 800;
  font-size: 0.9rem;
}

.brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
}

.site-nav a,
.quote-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
  font-size: 0.92rem;
}

.site-nav a.active {
  color: var(--ink);
  background: #eaf0ed;
}

.quote-link {
  color: var(--white);
  background: var(--teal);
}

.quote-link:hover {
  color: var(--white);
  background: var(--teal-dark);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(560px, calc(100svh - 136px));
  padding: 4.2rem 5vw 3.2rem;
  color: var(--white);
  background-image:
    linear-gradient(90deg, rgba(11, 38, 43, 0.92) 0%, rgba(11, 38, 43, 0.78) 38%, rgba(11, 38, 43, 0.2) 72%),
    url("hero-lab-export.png");
  background-position: center;
  background-size: cover;
}

.hero-inner,
.container {
  width: min(1180px, 90vw);
  margin: 0 auto;
}

.hero-copy {
  width: min(680px, 100%);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--amber);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
}

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

h1 {
  margin-bottom: 1rem;
  font-size: 3rem;
  line-height: 1.05;
}

.hero h1 {
  font-size: 2.8rem;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: 2rem;
  line-height: 1.15;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.12rem;
  line-height: 1.25;
}

.lead {
  color: #dfe9e8;
  font-size: 1.12rem;
  max-width: 720px;
}

.page-lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 760px;
}

.hero-actions,
.section-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.15rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
}

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

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  color: var(--white);
  border-color: var(--white);
}

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

.button.light:hover {
  color: var(--teal-dark);
  border-color: var(--teal);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(720px, 100%);
  margin-top: 1.35rem;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-fact {
  padding: 0.8rem 0.9rem;
  background: rgba(7, 36, 39, 0.72);
}

.hero-fact strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1.18rem;
}

.hero-fact span {
  color: #dce8e7;
  font-size: 0.88rem;
}

.section {
  padding: 4.75rem 0;
}

.section.compact {
  padding: 3.5rem 0;
}

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

.section.tinted {
  background: #edf3ef;
}

.section.dark {
  color: var(--white);
  background: #182528;
}

.section.dark .page-lead,
.section.dark .muted {
  color: #c9d5d4;
}

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

.section-head p {
  margin-bottom: 0;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.card.accent {
  border-top: 4px solid var(--teal);
}

.card.amber {
  border-top: 4px solid var(--amber);
}

.card.coral {
  border-top: 4px solid var(--coral);
}

.card.green {
  border-top: 4px solid var(--green);
}

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

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

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #f9fbf9;
  font-size: 0.82rem;
  font-weight: 700;
}

.brand-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
}

.brand-tile {
  display: grid;
  min-height: 78px;
  place-items: center;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  text-align: center;
  font-weight: 800;
}

.brand-note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: start;
  gap: 2rem;
}

.list-clean {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.list-clean li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.35rem;
  border-bottom: 1px solid var(--line);
}

.list-clean li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}

.process {
  counter-reset: process;
}

.process-item {
  position: relative;
  padding-left: 3.1rem;
}

.process-item::before {
  counter-increment: process;
  content: counter(process);
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  font-weight: 800;
}

.page-hero {
  padding: 4.25rem 0 3.2rem;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.page-hero .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 2rem;
  align-items: end;
}

.page-kicker {
  margin-bottom: 0.75rem;
  color: var(--teal);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.page-hero h1 {
  color: var(--ink);
}

.aside-box {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7faf8;
}

.aside-box strong {
  display: block;
  margin-bottom: 0.35rem;
}

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

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.catalog-table th,
.catalog-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.catalog-table th {
  color: var(--ink);
  background: #edf3ef;
}

.catalog-table td {
  color: var(--muted);
}

.catalog-table tr:last-child td {
  border-bottom: 0;
}

.route-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
}

.route {
  min-height: 120px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.route strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--white);
}

.route span {
  color: #cbd6d5;
  font-size: 0.9rem;
}

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

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--ink);
  font-weight: 800;
  font-size: 0.92rem;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.8rem 0.85rem;
  color: var(--ink);
  background: var(--white);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 3px solid rgba(11, 123, 131, 0.18);
  border-color: var(--teal);
}

.form-status {
  min-height: 1.5rem;
  color: var(--teal-dark);
  font-weight: 700;
}

.site-footer {
  padding: 2.5rem 5vw;
  color: #d9e4e2;
  background: #111a1d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  gap: 2rem;
  width: min(1180px, 90vw);
  margin: 0 auto;
}

.site-footer a {
  color: #d9e4e2;
}

.site-footer a:hover {
  color: var(--amber);
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li {
  margin: 0.35rem 0;
}

.footer-title {
  margin-bottom: 0.65rem;
  color: var(--white);
  font-weight: 800;
}

.fine-print {
  width: min(1180px, 90vw);
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  color: #aebcba;
  font-size: 0.85rem;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .brand {
    min-width: 0;
  }

  .nav-toggle {
    display: inline-block;
    justify-self: end;
  }

  .site-nav {
    grid-column: 1 / -1;
    display: none;
    justify-content: stretch;
    flex-direction: column;
  }

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

  .site-nav a {
    justify-content: flex-start;
  }

  .quote-link {
    display: none;
  }

  .grid.four,
  .brand-strip,
  .route-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .page-hero .container {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 0.7rem 1rem;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: min(520px, calc(100svh - 110px));
    padding: 3.2rem 1rem 2.4rem;
    background-position: 62% center;
  }

  .hero-inner,
  .container {
    width: min(100% - 2rem, 1180px);
  }

  h1 {
    font-size: 2.25rem;
  }

  .hero h1 {
    font-size: 2.05rem;
  }

  .hero-facts {
    display: none;
  }

  h2 {
    font-size: 1.6rem;
  }

  .lead,
  .page-lead {
    font-size: 1rem;
  }

  .hero-facts,
  .grid.two,
  .grid.three,
  .grid.four,
  .brand-strip,
  .route-map,
  .field-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.25rem 0;
  }

  .section-head {
    display: block;
  }

  .catalog-table,
  .catalog-table thead,
  .catalog-table tbody,
  .catalog-table th,
  .catalog-table td,
  .catalog-table tr {
    display: block;
  }

  .catalog-table thead {
    display: none;
  }

  .catalog-table tr {
    border-bottom: 1px solid var(--line);
  }

  .catalog-table tr:last-child {
    border-bottom: 0;
  }

  .catalog-table td {
    border-bottom: 0;
  }

  .catalog-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.25rem;
    color: var(--ink);
    font-weight: 800;
  }
}