:root {
  color-scheme: light;
  --ink: #18202b;
  --muted: #5f6d7c;
  --line: #d9e1ea;
  --panel: #ffffff;
  --band: #f4f7fa;
  --brand: #0e6f6d;
  --brand-dark: #0a4f59;
  --accent: #b05c2b;
  --ok: #168057;
  --warn: #a16207;
  --shadow: 0 18px 45px rgba(24, 32, 43, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.55;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: var(--brand-dark);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.brand-mark svg {
  width: 23px;
  height: 23px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
}

.nav-links a {
  color: #344253;
}

.hero {
  background: linear-gradient(180deg, #eef5f5 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 1120px;
  min-height: 520px;
  margin: 0 auto;
  padding: 72px 22px 54px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(42px, 7vw, 72px);
  max-width: 680px;
}

h2 {
  font-size: 30px;
}

h3 {
  font-size: 19px;
}

p {
  margin: 0;
}

.lead {
  margin-top: 22px;
  font-size: 19px;
  color: #415062;
  max-width: 650px;
}

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

.button {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  background: #fff;
  font-weight: 700;
  box-shadow: 0 1px 0 rgba(24, 32, 43, 0.04);
}

.button.primary {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.network-visual {
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(14, 111, 109, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(14, 111, 109, 0.1) 1px, transparent 1px),
    #ffffff;
  background-size: 34px 34px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.node {
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--brand);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px rgba(14, 111, 109, 0.3), 0 10px 20px rgba(14, 111, 109, 0.22);
}

.node.a { left: 13%; top: 24%; }
.node.b { left: 36%; top: 58%; }
.node.c { left: 58%; top: 28%; }
.node.d { left: 78%; top: 66%; }
.node.e { left: 82%; top: 22%; background: var(--accent); }

.link {
  position: absolute;
  height: 2px;
  background: rgba(10, 79, 89, 0.34);
  transform-origin: left center;
}

.link.one { left: 16%; top: 27%; width: 170px; transform: rotate(34deg); }
.link.two { left: 39%; top: 60%; width: 170px; transform: rotate(-33deg); }
.link.three { left: 60%; top: 31%; width: 150px; transform: rotate(25deg); }
.link.four { left: 61%; top: 31%; width: 112px; transform: rotate(-5deg); }

.visual-label {
  position: absolute;
  left: 24px;
  bottom: 22px;
  right: 24px;
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.section {
  padding: 64px 22px;
}

.section.band {
  background: var(--band);
  border-block: 1px solid var(--line);
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head p {
  color: var(--muted);
  max-width: 560px;
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 22px;
  min-height: 168px;
}

.card p,
.copy p,
.status-list p {
  color: var(--muted);
  margin-top: 10px;
}

.icon {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: #e6f1f0;
  color: var(--brand-dark);
  margin-bottom: 16px;
}

.icon svg {
  width: 20px;
  height: 20px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 42px;
  align-items: start;
}

.copy {
  display: grid;
  gap: 18px;
}

.list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.list li {
  padding-left: 24px;
  position: relative;
}

.list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  position: absolute;
  left: 2px;
  top: 0.72em;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.table th,
.table td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  vertical-align: top;
}

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

.table th {
  color: #344253;
  font-size: 13px;
  background: #f8fafc;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  color: var(--ok);
}

.status-pill::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: currentColor;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 22px;
  background: #fff;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.page-title {
  padding: 58px 22px 42px;
  background: #eef5f5;
  border-bottom: 1px solid var(--line);
}

.page-title .wrap {
  display: grid;
  gap: 16px;
}

.page-title p {
  color: var(--muted);
  max-width: 720px;
  font-size: 18px;
}

.contact-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: #fff;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-inner,
  .two-col {
    grid-template-columns: 1fr;
  }

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

  .section-head {
    display: grid;
    align-items: start;
  }

  .network-visual {
    min-height: 300px;
  }
}

@media (max-width: 520px) {
  .nav-links {
    gap: 12px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-inner {
    padding-top: 48px;
  }

  .table {
    display: block;
    overflow-x: auto;
  }
}