.viewing-intro{
  position:relative;
  padding-top:56px;
  padding-bottom:56px;
  text-align:center;
}
.viewing-intro h1{
  margin-top:24px;
  font-size:clamp(52px,4.6vw,var(--fs-h1));
  letter-spacing:var(--tracking-heading);
}
.viewing-intro__lead{
  max-width:680px;
  margin-inline:auto;
  font-size:var(--fs-lead);
  color:var(--muted);
  line-height:1.8;
}
.viewing-intro__actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top:24px;
}
.viewing-intro__facts{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  margin-top:28px;
  margin-bottom:16px;
}
.viewing-intro>.muted{
  max-width:720px;
  margin-inline:auto;
  font-size:var(--fs-sm);
  line-height:1.8;
}
.viewing-document{
  max-width:1100px;
}
.viewing-chapter{
  min-width:0;
}
.viewing-chapter+.viewing-chapter{
  margin-top:64px;
  padding-top:48px;
  border-top:1px solid var(--border);
}
.viewing-chapter .prose{
  max-width:880px;
}
.viewing-chapter .prose:last-child>p:last-child{
  margin-bottom:0;
}
.viewing-pair{
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-bottom:28px;
}
.viewing-pair h3{
  margin-top:18px;
}
.viewing-pair p{
  color:var(--muted);
  line-height:1.85;
}
.viewing-matrix{
  min-width:840px;
}
.viewing-matrix th[scope="row"]{
  white-space:nowrap;
}
.viewing-end{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
@media(max-width:768px){
  .viewing-intro{
    padding-top:36px;
    padding-bottom:40px;
  }
  .viewing-intro h1{
    font-size:var(--fs-mobile-h1);
    line-height:1.2;
  }
  .viewing-intro__lead{
    font-size:var(--fs-body);
  }
  .viewing-pair{
    grid-template-columns:minmax(0,1fr);
  }
  .viewing-chapter+.viewing-chapter{
    margin-top:44px;
    padding-top:36px;
  }
}