:root {
  color-scheme: light;
  --ink: #172018;
  --muted: #5f6a5d;
  --line: #d8ddcf;
  --paper: #fffdf5;
  --band: #f1ead8;
  --accent: #2f807a;
  --accent-dark: #215f5a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.58;
}

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

.shell {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: var(--band);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  font-size: 20px;
  font-weight: 750;
  letter-spacing: 0;
}

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

main {
  padding: 48px 0 72px;
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 700;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
  margin: 0 0 16px;
}

h2 {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-top: 36px;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-top: 24px;
  font-size: 18px;
  letter-spacing: 0;
}

p,
li {
  font-size: 16px;
}

.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 760px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.notice {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 28px 0;
}

ul {
  padding-left: 22px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  main {
    padding-top: 34px;
  }
}