:root {
  color-scheme: light;
  --ink: #12212b;
  --muted: #51616b;
  --line: #d8e0e4;
  --paper: #f7fafb;
  --white: #ffffff;
  --accent: #175d73;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
}

.shell {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 3rem;
}

header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  font-weight: 720;
}

h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.25rem;
}

.lede {
  max-width: 46rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.125rem;
}

main {
  padding: 0.5rem 0 2rem;
}

p,
ul {
  margin: 0.65rem 0;
}

ul {
  padding-left: 1.3rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.notice {
  margin: 2rem 0 0;
  padding: 1.25rem 1.35rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 0.35rem;
}

footer {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 1.25rem, 760px);
    padding-top: 2.5rem;
  }
}