:root {
  --page: #f5f6f8;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #24211d;
  --muted: #6b7280;
  --link: #9f3f20;
  --focus: #c5542d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

header,
main,
footer {
  width: min(760px, calc(100% - 32px));
  margin-inline: auto;
}

header {
  padding-block: 40px 24px;
}

.brand {
  display: block;
  width: min(290px, 72vw);
  height: auto;
}

main {
  padding: 32px clamp(20px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
}

h2 {
  margin: 32px 0 8px;
  font-size: 1.2rem;
}

p,
ul,
ol {
  margin-block: 8px 16px;
}

li + li {
  margin-top: 6px;
}

.effective,
.summary {
  color: var(--muted);
}

.callout {
  margin-block: 24px;
  padding: 16px;
  border-left: 4px solid var(--focus);
  background: #faf0ec;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-block: 24px 48px;
  color: var(--muted);
}

footer p {
  flex-basis: 100%;
  margin: 0;
}

@media (max-width: 560px) {
  header {
    padding-top: 24px;
  }

  main {
    padding: 24px 20px;
  }
}