.nodes-hero{
  position:relative;
  overflow:hidden;
  padding-top:clamp(54px,8vw,94px);
  padding-bottom:clamp(66px,9vw,110px);
  border-bottom:1px solid var(--color-border);
}
.nodes-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);
  gap:clamp(36px,6vw,78px);
  align-items:center;
}
.nodes-hero-copy,
.route-index{
  min-width:0;
}
.nodes-hero-copy h1{
  max-width:760px;
}
.nodes-hero-lead{
  max-width:720px;
  margin-top:24px;
  color:var(--color-muted);
  font-size:18px;
}
.nodes-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.nodes-facts{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:28px;
}
.route-index{
  position:relative;
  padding:28px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:var(--shadow-device);
  transform:rotate(-1deg);
}
.route-index::before{
  position:absolute;
  top:0;
  right:22px;
  width:70px;
  height:4px;
  border-radius:0 0 var(--radius-xs) var(--radius-xs);
  content:"";
  background:var(--color-accent);
}
.route-index-label{
  margin-bottom:18px;
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
}
.route-index-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.route-index-grid a{
  display:grid;
  min-width:0;
  min-height:92px;
  align-content:center;
  gap:4px;
  padding:16px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-bg);
  transition:transform var(--transition-fast),background-color var(--transition-fast);
}
.route-index-grid a:hover{
  transform:translateY(-2px);
  background:var(--color-panel-alt);
}
.route-index-grid span{
  font-weight:900;
}
.route-index-grid small{
  color:var(--color-muted);
  font-size:12px;
}
.route-index-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--color-border);
  color:var(--color-muted);
  font-size:13px;
}
.nodes-dot-band{
  position:absolute;
  right:-30px;
  bottom:18px;
  left:-30px;
  height:92px;
  opacity:.3;
  background-image:radial-gradient(var(--color-accent) 1.1px,transparent 1.2px);
  background-size:15px 15px;
}
.route-table-note{
  margin-top:24px;
}
.stream-state{
  display:inline-flex;
  max-width:100%;
  min-height:28px;
  align-items:center;
  padding:4px 10px;
  overflow:hidden;
  border-radius:var(--radius-pill);
  color:var(--color-success);
  background:var(--color-success-soft);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:800;
}
.stream-state-conditional{
  color:var(--color-warning);
  background:var(--color-warning-soft);
}
.line-type-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.line-type-card{
  min-width:0;
  padding:28px;
  border:1px solid var(--color-border);
  border-top:4px solid var(--color-accent);
  border-radius:var(--radius-sm);
  background:var(--color-panel);
  transition:transform var(--transition-fast),background-color var(--transition-fast);
}
.line-type-card:hover{
  transform:translateY(-3px);
  background:var(--color-bg);
}
.line-type-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:20px;
}
.line-number{
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
}
.line-type-card h3{
  font-size:24px;
}
.line-type-card p{
  margin-top:16px;
  color:var(--color-muted);
}
.type-summary{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  margin-top:28px;
  overflow:hidden;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-panel-alt);
}
.type-summary div{
  min-width:0;
  padding:20px;
  border-left:1px solid var(--color-border);
}
.type-summary div:first-child{
  border-left:0;
}
.type-summary strong{
  display:block;
}
.type-summary p{
  margin-top:4px;
  color:var(--color-muted);
  font-size:14px;
}
.use-case-list{
  display:grid;
  border-top:3px solid var(--color-accent);
}
.use-case-item{
  display:grid;
  grid-template-columns:minmax(130px,.28fr) minmax(0,1fr);
  gap:clamp(24px,5vw,70px);
  padding-top:34px;
  padding-bottom:34px;
  border-bottom:1px solid var(--color-border);
  transition:background-color var(--transition-fast),transform var(--transition-fast);
}
.use-case-item:hover{
  transform:translateX(-2px);
  background:var(--color-panel-alt);
}
.use-case-label{
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
}
.use-case-item h3{
  font-size:25px;
}
.use-case-item p{
  margin-top:13px;
  color:var(--color-muted);
}
.selection-layout{
  display:grid;
  grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);
  gap:clamp(40px,7vw,92px);
  align-items:start;
}
.selection-copy{
  position:sticky;
  top:var(--toc-offset);
  min-width:0;
}
.selection-copy p:last-child{
  margin-top:18px;
  color:var(--color-muted);
}
.selection-steps{
  display:grid;
  min-width:0;
  gap:16px;
  list-style:none;
  counter-reset:selection-step;
}
.selection-steps li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:18px;
  min-width:0;
  padding:24px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-panel);
  counter-increment:selection-step;
}
.selection-steps li::before{
  display:grid;
  width:42px;
  height:42px;
  place-items:center;
  border-radius:var(--radius-sm);
  content:counter(selection-step);
  color:var(--color-white);
  background:var(--color-accent);
  font-family:var(--font-mono);
  font-weight:900;
}
.selection-steps h3{
  font-size:22px;
}
.selection-steps p{
  margin-top:8px;
  color:var(--color-muted);
}
.region-note-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.region-note{
  position:relative;
  min-width:0;
  padding:28px;
  overflow:hidden;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
}
.region-note::after{
  position:absolute;
  right:0;
  bottom:0;
  width:82px;
  height:5px;
  content:"";
  background:var(--color-accent);
}
.region-mark{
  display:inline-flex;
  margin-bottom:16px;
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
}
.region-note h3{
  font-size:24px;
}
.region-note p{
  margin-top:12px;
  color:var(--color-muted);
}
.practical-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  border-top:1px solid var(--color-border);
  border-left:1px solid var(--color-border);
}
.practical-item{
  min-width:0;
  padding:28px;
  border-right:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
  background:var(--color-panel);
}
.practical-item h3{
  font-size:21px;
}
.practical-item p{
  margin-top:10px;
  color:var(--color-muted);
}
.nodes-closing{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  margin-top:48px;
  padding:34px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  color:var(--color-panel);
  background:var(--color-text);
  box-shadow:var(--shadow-card);
}
.nodes-closing h2{
  color:var(--color-panel);
  font-size:clamp(30px,4vw,44px);
}
.nodes-closing p:not(.kicker){
  margin-top:10px;
  color:var(--color-shadow-soft);
}
.nodes-closing-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.nodes-closing .btn-secondary{
  border-color:var(--color-panel);
  color:var(--color-panel);
}
.nodes-closing .btn-secondary:hover{
  color:var(--color-text);
  background:var(--color-panel);
}

@media (max-width:960px){
  .nodes-hero-grid{
    grid-template-columns:1fr;
  }
  .route-index{
    max-width:720px;
    transform:none;
  }
  .line-type-grid{
    grid-template-columns:1fr;
  }
  .type-summary{
    grid-template-columns:1fr;
  }
  .type-summary div{
    border-top:1px solid var(--color-border);
    border-left:0;
  }
  .type-summary div:first-child{
    border-top:0;
  }
  .selection-layout{
    grid-template-columns:1fr;
  }
  .selection-copy{
    position:static;
  }
  .nodes-closing{
    grid-template-columns:1fr;
  }
}
@media (max-width:768px){
  .use-case-item{
    grid-template-columns:1fr;
    gap:12px;
  }
  .region-note-grid,
  .practical-grid{
    grid-template-columns:1fr;
  }
  .nodes-closing-actions{
    display:grid;
  }
}
@media (max-width:640px){
  .nodes-hero{
    padding-top:42px;
    padding-bottom:66px;
  }
  .nodes-hero-lead{
    font-size:16px;
  }
  .nodes-hero-actions{
    display:grid;
  }
  .route-index{
    padding:20px;
  }
  .route-index-grid{
    grid-template-columns:1fr;
  }
  .route-index-grid a{
    min-height:76px;
  }
  .line-type-card,
  .region-note,
  .practical-item{
    padding:22px;
  }
  .selection-steps li{
    grid-template-columns:1fr;
    padding:20px;
  }
  .selection-steps li::before{
    width:38px;
    height:38px;
  }
  .nodes-closing{
    padding:24px;
  }
}