:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --ink: #111820;
  --muted: #5a6673;
  --line: #d7dde6;
  --teal: #0b625d;
  --teal-dark: #123b42;
  --red: #b4413b;
  --gold: #b08a22;
  --blue: #244c9a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.62 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--teal);
  font-weight: 760;
  text-decoration: none;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(215, 221, 230, .86);
  background: rgba(247, 248, 251, .92);
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--ink);
  font-size: .92rem;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}

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

.nav a {
  color: var(--muted);
  font-size: .9rem;
}

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

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 34px);
}

section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}

.hero {
  min-height: calc(100vh - 62px);
  display: grid;
  align-content: center;
  padding-top: 70px;
}

.page-hero {
  padding: 72px 0 46px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(4.7rem, 14vw, 10.4rem);
  line-height: .84;
  letter-spacing: 0;
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(3.1rem, 8vw, 6.8rem);
  line-height: .9;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 4.8vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: 1.05rem;
}

p {
  max-width: 78ch;
  margin: 0 0 14px;
}

ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

li {
  margin: 8px 0;
}

.lead {
  max-width: 800px;
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.4vw, 1.42rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--teal-dark);
  border-radius: 6px;
  background: var(--teal-dark);
  color: white;
  font-weight: 850;
}

.button.secondary {
  background: var(--surface);
  color: var(--teal-dark);
  border-color: var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.card {
  min-height: 160px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 0 white, 0 10px 28px rgba(17, 24, 32, .06);
}

.card p,
.panel-row span {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(280px, .58fr);
  gap: 28px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.panel-row {
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 14px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-row:last-child {
  border-bottom: 0;
}

.panel-row strong {
  color: var(--teal-dark);
}

.callout {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  background: #fffdf7;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}

pre {
  margin: 22px 0 0;
  padding: 18px;
  overflow: auto;
  border-radius: 8px;
  background: #111820;
  color: #f7f8fb;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px clamp(18px, 4vw, 34px);
  color: var(--muted);
  font-size: .92rem;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

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

  .panel-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}