.doc-hero{
  position:relative;
  min-height:390px;
  padding-top:82px;
  padding-bottom:76px;
  border-bottom:1px solid var(--color-border);
  overflow-x:clip;
  background:linear-gradient(158deg,var(--color-accent-wash),var(--color-bg),var(--color-panel-recessed));
}
.doc-hero-inner{
  position:relative;
  z-index:2;
}
.doc-hero h1{
  max-width:780px;
  margin-top:18px;
}
.doc-hero-lead{
  max-width:720px;
  margin-top:22px;
  color:var(--color-muted);
  font-size:18px;
}
.doc-hero-links{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:22px;
}
.doc-hero-links a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  color:var(--color-accent);
  font-weight:750;
}
.doc-hero-diagram{
  position:absolute;
  right:max(var(--gutter),calc((100% - var(--content-width))/2));
  bottom:42px;
  width:min(38vw,520px);
  height:auto;
  color:var(--color-border);
  pointer-events:none;
}
.doc-hero-diagram path,
.doc-hero-diagram circle{
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.doc-hero-diagram circle{
  fill:var(--color-panel);
  stroke:var(--color-accent-soft);
}
.doc-layout{
  padding-top:34px;
  padding-bottom:72px;
}
.doc-layout > .toc-tabs{
  margin-bottom:52px;
}
.doc-prose{
  width:100%;
  max-width:var(--reading-width);
  margin-inline:auto;
}
.doc-intro{
  margin-bottom:58px;
  padding:26px;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
  color:var(--color-muted);
  font-size:17px;
}
.doc-intro p:last-child{
  margin-bottom:0;
}
.doc-intro a,
.doc-prose p a{
  color:var(--color-accent);
  font-weight:700;
  text-decoration:underline;
  text-decoration-color:var(--color-accent-soft);
  text-underline-offset:3px;
}
.doc-section{
  padding-top:34px;
  padding-bottom:54px;
  border-bottom:1px solid var(--color-border);
}
.doc-section:last-of-type{
  border-bottom:0;
}
.doc-section h2{
  margin-bottom:28px;
}
.doc-section h3{
  margin-top:32px;
}
.doc-section p{
  color:var(--color-muted);
  font-size:16px;
  line-height:1.86;
}
.doc-section .callout{
  margin-top:28px;
  margin-bottom:28px;
}
.doc-section .table-scroll{
  margin-top:30px;
  margin-bottom:16px;
}
.doc-section pre{
  margin-top:20px;
  margin-bottom:22px;
}
.route-notes{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:30px;
}
.route-notes article{
  min-width:0;
  padding:19px;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
}
.route-notes strong{
  display:block;
  margin-bottom:8px;
  color:var(--color-accent);
  font-size:17px;
}
.route-notes p{
  margin:0;
  font-size:14px;
  line-height:1.7;
}
.decision-summary{
  margin-top:34px;
  padding:26px;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  background:var(--color-panel-recessed);
  box-shadow:inset 0 1px 0 var(--color-paper);
}
.decision-summary h3{
  margin-top:0;
}
.decision-summary ol{
  display:grid;
  gap:12px;
  margin-bottom:0;
  padding-left:24px;
  color:var(--color-muted);
}
.decision-summary li{
  padding-left:5px;
}
.doc-prose > .promo-block{
  margin-top:58px;
}

@media (max-width:900px){
  .doc-hero-diagram{
    opacity:.48;
  }
}
@media (max-width:768px){
  .doc-hero{
    min-height:0;
    padding-top:54px;
    padding-bottom:54px;
  }
  .doc-hero-diagram{
    display:none;
  }
  .doc-hero-lead{
    font-size:16px;
  }
  .doc-layout{
    padding-top:24px;
  }
  .route-notes{
    grid-template-columns:1fr;
  }
}
@media (max-width:640px){
  .doc-layout > .toc-tabs{
    margin-bottom:34px;
  }
  .doc-intro{
    margin-bottom:36px;
    padding:20px;
    font-size:15px;
  }
  .doc-section{
    padding-top:26px;
    padding-bottom:42px;
  }
  .doc-section h3{
    margin-top:26px;
  }
  .doc-section p{
    font-size:15px;
    line-height:1.78;
  }
  .decision-summary{
    padding:20px;
  }
}