:root {
  color-scheme: light;
  --ink: #18202a;
  --muted: #62707d;
  --line: #d9e0e6;
  --paper: #fbfcfd;
  --band: #eef3f6;
  --accent: #0d7c86;
  --accent-2: #b85f17;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.62;
}

a {
  color: var(--accent);
}

.button {
  background: var(--accent);
  color: #ffffff;
  display: inline-block;
  font-weight: 700;
  padding: 10px 14px;
  text-decoration: none;
}

.site-header {
  align-items: center;
  background: rgba(251, 252, 253, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  position: sticky;
  top: 0;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

main {
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 clamp(18px, 4vw, 56px) 64px;
}

.hero {
  padding: 72px 0 54px;
}

.eyebrow {
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(36px, 6vw, 68px);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 10px 0 18px;
  max-width: 950px;
}

h2 {
  font-size: 28px;
  letter-spacing: 0;
  line-height: 1.18;
  margin: 0 0 18px;
}

h3 {
  font-size: 20px;
  letter-spacing: 0;
  margin-top: 28px;
}

.lead {
  color: var(--muted);
  font-size: 20px;
  max-width: 760px;
}

.band {
  background: var(--band);
  border: 1px solid var(--line);
  margin: 28px calc(clamp(18px, 4vw, 56px) * -0.35);
  padding: 30px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--ink);
  display: block;
  min-height: 190px;
  padding: 18px;
  text-decoration: none;
}

.card span {
  color: var(--accent-2);
  display: block;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.card strong {
  display: block;
  font-size: 19px;
  line-height: 1.25;
}

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

.article {
  max-width: 820px;
  padding: 54px 0;
}

.article h1 {
  font-size: clamp(34px, 5vw, 56px);
}

.article p,
.article li {
  font-size: 17px;
}

code {
  background: #edf1f3;
  padding: 2px 5px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin: 0 auto;
  max-width: 1120px;
  padding: 24px clamp(18px, 4vw, 56px) 44px;
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    flex-wrap: wrap;
  }
}