.narrow {
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
}
.page-head {
  padding: 96px 0 56px;
  border-bottom: 1px solid var(--rule);
}
.page-head h1 {
  font-family: inherit;
  font-weight: 400;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}
.page-head .updated {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.content {
  padding: 56px 0 96px;
  counter-reset: section;
}
.content h2 {
  font-family: inherit;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin-top: 48px;
  margin-bottom: 14px;
  color: var(--ink);
}
.content h2::before {
  counter-increment: section;
  content: counter(section) ". ";
  color: var(--muted);
  margin-right: 4px;
}
.content h2:first-of-type {
  margin-top: 0;
}
.content p {
  color: var(--muted);
  margin-bottom: 1em;
}
.content p strong {
  color: var(--ink);
  font-weight: 600;
}
.content ul {
  color: var(--muted);
  margin: 0 0 1em 0;
  padding-left: 22px;
}
.content ul li {
  margin-bottom: 8px;
}
.content a.inline-link {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}
.content a.inline-link:hover {
  opacity: 0.7;
}

.definitions {
  margin: 12px 0 1em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}
.definitions li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
}
.definitions li .term {
  color: var(--ink);
  font-weight: 600;
  margin-right: 6px;
}

.meta-block {
  margin-top: 28px;
  padding: 26px 30px;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.meta-block p {
  margin-bottom: 4px;
  color: var(--ink);
}
.meta-block p.faint {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .page-head {
    padding: 60px 0 36px;
  }
  .content {
    padding: 40px 0 64px;
  }
  .meta-block {
    padding: 22px;
  }
}