.document-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: clamp(1rem, 2vw, 2rem);
}

.document-page {
  border: 3px solid var(--line);
  background: rgba(248, 248, 245, 0.95);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.document-page header {
  display: grid;
  gap: 0.7rem;
  border-bottom: 2px solid var(--line);
  padding-bottom: 1.2rem;
  margin-bottom: 1.5rem;
}

.document-page h1 {
  max-width: none;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
}

.document-page h2 {
  margin-top: 1.8rem;
  margin-bottom: 0.65rem;
}

.document-page p,
.document-page li {
  color: var(--text);
  line-height: 1.65;
}

.document-page ul {
  display: grid;
  gap: 0.45rem;
  padding-left: 1.3rem;
}

.document-page .summary {
  max-width: 66ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.back-link {
  display: inline-flex;
  width: fit-content;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--pastel-blue);
  color: var(--black-02);
  padding: 0.55rem 0.9rem;
  font-weight: 700;
}

.back-link:hover,
.back-link:focus-visible {
  background: var(--pastel-yellow);
  color: var(--black-02);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .document-page {
    background: rgba(23, 25, 28, 0.94);
  }
}