:root {
  --ink: #1f2328;
  --muted: #57606a;
  --paper: #ffffff;
  --band: #f4f1ea;
  --accent: #b4261a;
  --line: #d8dee4;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
}

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

nav a {
  color: var(--ink);
  margin-left: 16px;
}

nav a:first-child {
  margin-left: 0;
}

main {
  padding: 32px 0 48px;
}

h1 {
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 32px 0 8px;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
}

.note {
  background: var(--band);
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
}

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

a:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 4px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 32px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--muted);
}