.doc-opening{
  max-width:100%;
  text-align:center;
  padding:48px;
}
.doc-opening h1{
  margin:20px 0 24px;
}
.doc-title-tail{
  color:var(--accent);
}
.doc-summary{
  max-width:680px;
  margin-inline:auto;
  margin-bottom:20px;
  font-size:var(--size-h3);
  line-height:1.65;
}
.doc-opening>.muted{
  max-width:720px;
  margin-inline:auto;
}
.doc-opening a{
  text-decoration:underline;
  text-underline-offset:4px;
}
.doc-facts{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.doc-content{
  margin-top:36px;
}
.doc-body{
  margin-inline:auto;
}
.doc-chapter{
  padding-top:56px;
  padding-bottom:40px;
  border-bottom:1px solid var(--border);
}
.doc-chapter:last-child{
  border-bottom:0;
}
.doc-chapter>.eyebrow{
  margin:0 0 12px;
}
.doc-chapter h2{
  margin:0 0 28px;
}
.doc-chapter h3{
  margin-bottom:18px;
}
.doc-chapter p{
  line-height:1.95;
}
.doc-chapter .table-scroll{
  margin-block:28px;
}
.doc-chapter .callout{
  line-height:1.85;
}
@media(max-width:768px){
  .doc-opening{
    padding:32px 24px;
  }
  .doc-summary{
    font-size:var(--size-body);
  }
  .doc-content{
    margin-top:24px;
  }
  .doc-chapter{
    padding-top:40px;
    padding-bottom:28px;
  }
}
@media(max-width:640px){
  .doc-opening{
    padding:28px 20px;
  }
  .doc-facts{
    gap:8px;
  }
}