:root {
  --ink: #242b32;
  --muted: #59636c;
  --line: #cbd2d6;
  --link: #245c79;
  --paper: #fafaf8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.5 Georgia, "Times New Roman", serif;
}

.site-width { width: 90%; margin: 0 auto; }
a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }

.site-header { border-bottom: 1px solid var(--line); padding: 13px 0; }
.site-title { color: var(--muted); font-size: 1rem; font-weight: normal; text-decoration: none; }
.site-header p { margin: 1px 0 0; color: var(--muted); font-size: .95rem; }

main { padding: 30px 0 70px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 38px 0 12px; border-bottom: 1px solid var(--line); padding-bottom: 5px; }
h3 { font-size: 1.05rem; margin: 22px 0 4px; }
p { margin: 10px 0; }
.intro { max-width: 75ch; }
.muted, .breadcrumb { color: var(--muted); }
.breadcrumb { font-size: .9rem; margin: 0 0 20px; }

.details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; max-width: 900px; }
.row { display: grid; grid-template-columns: 180px 1fr; gap: 28px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.row-label { color: var(--muted); }

@media (max-width: 600px) {
  .site-width { width: calc(100% - 36px); }
  .details { grid-template-columns: 1fr; }
  .row { display: block; }
  .row-label { display: block; margin-bottom: 3px; }
}