:root {
  color-scheme: light;
  --ink: #152129;
  --muted: #52636f;
  --line: #d9e4e7;
  --panel: #ffffff;
  --wash: #f4f8f8;
  --teal: #047c7a;
  --blue: #1f5fbf;
  --amber: #d88619;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    linear-gradient(rgba(12, 70, 82, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 70, 82, 0.05) 1px, transparent 1px),
    var(--wash);
  background-size: 32px 32px;
}

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

.hero {
  min-height: 92vh;
  padding: 24px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  font-weight: 760;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 44px;
  align-items: center;
  max-width: 1180px;
  min-height: calc(92vh - 80px);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.98;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.05;
}

h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.lede {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 700;
}

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

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 60px rgba(21, 33, 41, 0.08);
}

.metric-value {
  display: block;
  color: var(--blue);
  font-size: 56px;
  font-weight: 820;
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 650;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 74px 24px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 30px;
}

.architecture {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 60px rgba(21, 33, 41, 0.08);
}

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

.card {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: white;
}

.card p,
.split p,
.checks {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 36px;
  align-items: start;
}

pre {
  overflow-x: auto;
  margin: 0;
  border: 1px solid #c9d9df;
  border-radius: 8px;
  padding: 22px;
  color: #e9fbff;
  background: #10242d;
  font-size: 14px;
  line-height: 1.6;
}

.safety {
  padding-bottom: 40px;
}

.checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checks li {
  border-left: 4px solid var(--amber);
  border-radius: 6px;
  padding: 16px 18px;
  background: white;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 24px 44px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.acknowledgement {
  padding-top: 20px;
  padding-bottom: 90px;
}

.acknowledgement p {
  max-width: 820px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.acknowledgement a {
  color: var(--teal);
  font-weight: 760;
}

@media (max-width: 860px) {
  .hero {
    min-height: auto;
  }

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

  .hero-grid,
  .split,
  .cards,
  .checks {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 46px;
  }
}