:root {
  --accent: #8b1e3f;
  --accent-light: #f7eef1;
  --text: #22252a;
  --muted: #5c636e;
  --max-width: 720px;
  --gutter: 1.25rem;
  --sanger-dark: #8b1e3f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 0 3rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}

.logo-bar {
  background: var(--sanger-dark);
  padding: 1.25rem var(--gutter);
}

.logo-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo-bar-inner a {
  display: block;
  background: none;
}

.logo {
  display: block;
  width: auto;
  height: clamp(34px, 7vw, 52px);
}

.site-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 1.5rem;
  border-bottom: 4px solid var(--accent);
}

.site-header h1 {
  margin: 0;
  font-size: 2.1rem;
  line-height: 1.2;
  color: var(--accent);
}

.tagline {
  margin: 0.75rem 0 0;
  font-size: 1.2rem;
  color: var(--muted);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  margin-top: 2.25rem;
}

h2 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
  color: var(--accent);
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

a {
  color: var(--accent);
  text-decoration: underline;
}

a:hover,
a:focus {
  text-decoration: none;
  background: var(--accent-light);
}

.logo-bar a:hover,
.logo-bar a:focus {
  background: none;
  opacity: 0.85;
}

.callout {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  padding: 1.25rem 1.5rem 0.5rem;
}

footer {
  max-width: var(--max-width);
  margin: 3rem auto 0;
  padding: 1.5rem var(--gutter) 0;
  border-top: 1px solid #e2e5ea;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .site-header h1 {
    font-size: 1.6rem;
  }
  body {
    font-size: 1rem;
  }
}