.nodes-hero{
  position:relative;
  overflow-x:clip;
  padding-top:clamp(48px,7vw,88px);
  padding-bottom:clamp(58px,8vw,96px);
  border-bottom:1px solid var(--color-line);
  background:var(--color-page);
}
.nodes-hero::before{
  content:"";
  position:absolute;
  top:-28%;
  right:-12%;
  width:68%;
  aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle,var(--color-brand-soft),transparent 68%);
  pointer-events:none;
}
.nodes-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(480px,1.08fr);
  align-items:center;
  gap:clamp(42px,7vw,88px);
}
.nodes-hero-copy{
  min-width:0;
}
.nodes-hero h1{
  max-width:680px;
  margin:22px 0 20px;
}
.nodes-hero .lead{
  max-width:650px;
  margin-bottom:0;
}
.nodes-hero-actions{
  margin-top:30px;
}
.nodes-facts{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:24px;
}
.region-browser{
  min-width:0;
  overflow:hidden;
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  background:var(--color-page);
  box-shadow:var(--shadow-window);
}
.region-browser-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:58px;
  padding:12px 18px;
  border-bottom:1px solid var(--color-line);
  background:var(--color-panel);
}
.region-browser-title{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.region-browser-title strong{
  font-family:var(--font-display);
  font-size:.92rem;
}
.region-browser-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--color-line);
}
.region-tile{
  display:flex;
  min-width:0;
  min-height:150px;
  flex-direction:column;
  justify-content:center;
  padding:22px;
  background:var(--color-page);
  transition:background-color var(--motion-fast),transform var(--motion-fast);
}
.region-tile:hover{
  position:relative;
  z-index:1;
  background:var(--color-panel);
  transform:translateY(-1px);
}
.region-code{
  margin-bottom:10px;
  color:var(--color-brand-deep);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.08em;
}
.region-tile strong{
  margin-bottom:7px;
  font-family:var(--font-display);
  font-size:1.15rem;
}
.region-tile small{
  color:var(--color-muted);
  line-height:1.6;
}
.region-browser-foot{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  padding:13px 18px;
  border-top:1px solid var(--color-line);
  color:var(--color-muted);
  font-size:.75rem;
}
.region-browser-foot span{
  position:relative;
  padding-left:12px;
}
.region-browser-foot span::before{
  content:"";
  position:absolute;
  top:.62em;
  left:0;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--color-route);
}
.route-directory{
  box-shadow:var(--shadow-card);
}
.route-directory .route-group{
  scroll-margin-top:var(--toc-offset);
}
.route-note{
  max-width:920px;
  margin:24px auto 0;
  color:var(--color-muted);
}
.route-note strong{
  color:var(--color-ink);
}
.route-types-section{
  border-top:1px solid var(--color-line);
  border-bottom:1px solid var(--color-line);
  background:var(--color-panel);
}
.route-type-list{
  display:grid;
  gap:22px;
}
.route-type-card{
  display:grid;
  grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);
  gap:clamp(28px,5vw,66px);
  align-items:center;
  padding:clamp(26px,4vw,46px);
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-page);
  box-shadow:var(--shadow-card);
  transform-style:preserve-3d;
}
.route-type-card-reverse .route-type-mark{
  order:2;
}
.route-type-mark{
  display:flex;
  min-width:0;
  min-height:220px;
  flex-direction:column;
  justify-content:space-between;
  padding:24px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-panel);
}
.route-type-mark .badge{
  align-self:flex-start;
}
.route-type-mark svg{
  width:100%;
  margin-top:28px;
}
.diagram-base,
.diagram-accent{
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.diagram-base{
  stroke:var(--color-line);
  stroke-width:9;
}
.diagram-accent{
  stroke:var(--color-brand);
  stroke-width:3;
}
.diagram-dashed{
  stroke-dasharray:8 9;
}
.diagram-node{
  fill:var(--color-brand);
  stroke:var(--color-page);
  stroke-width:4;
}
.diagram-middle{
  fill:var(--color-route);
  stroke:var(--color-page);
  stroke-width:4;
}
.route-type-copy{
  min-width:0;
}
.route-type-copy h3{
  margin-bottom:16px;
}
.route-type-copy p{
  color:var(--color-muted);
}
.route-type-copy p:last-child{
  margin-bottom:0;
}
.use-case-list{
  max-width:980px;
  margin-inline:auto;
  border-top:1px solid var(--color-line);
}
.use-case-row{
  display:grid;
  grid-template-columns:minmax(190px,.38fr) minmax(0,1.62fr);
  gap:clamp(28px,5vw,72px);
  padding-top:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--color-line);
}
.use-case-label{
  min-width:0;
}
.use-case-label h3{
  margin:14px 0 0;
  font-size:1.25rem;
}
.use-case-symbol{
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  border:1px solid var(--color-brand);
  border-radius:var(--radius-pill);
  background:var(--color-brand-soft);
  color:var(--color-brand-deep);
  font-family:var(--font-mono);
  font-size:.82rem;
  font-weight:800;
}
.use-case-content{
  min-width:0;
}
.use-case-content p{
  color:var(--color-muted);
}
.use-case-content p:last-child{
  margin-bottom:0;
}
.route-process-section{
  border-top:1px solid var(--color-line);
  border-bottom:1px solid var(--color-line);
  background:var(--color-panel);
}
.route-process-layout{
  display:grid;
  grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr);
  gap:clamp(42px,7vw,90px);
  align-items:start;
}
.route-process-intro{
  position:sticky;
  top:calc(var(--header-height) + 24px);
}
.route-process-intro h2{
  margin:22px 0 18px;
}
.route-process-intro p{
  margin-bottom:26px;
  color:var(--color-muted);
}
.route-process-steps{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:route-process;
}
.route-process-steps li{
  position:relative;
  min-height:116px;
  padding:0 0 34px 62px;
  counter-increment:route-process;
}
.route-process-steps li:not(:last-child)::after{
  content:"";
  position:absolute;
  top:40px;
  bottom:4px;
  left:19px;
  width:1px;
  background:var(--color-line);
}
.route-process-steps li::before{
  content:counter(route-process);
  position:absolute;
  top:0;
  left:0;
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border:1px solid var(--color-brand);
  border-radius:50%;
  background:var(--color-page);
  color:var(--color-brand-deep);
  font-family:var(--font-mono);
  font-weight:800;
}
.route-process-steps strong{
  display:block;
  margin-bottom:7px;
  font-family:var(--font-display);
  font-size:1.08rem;
}
.route-process-steps p{
  margin-bottom:0;
  color:var(--color-muted);
}
.nodes-support-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  max-width:860px;
  margin:34px auto 0;
  padding:22px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-panel);
}
.nodes-support-row p{
  margin:0;
  color:var(--color-muted);
}

@media (max-width:1080px){
  .nodes-hero-inner{
    grid-template-columns:1fr;
  }
  .nodes-hero-copy{
    max-width:780px;
    text-align:center;
    margin-inline:auto;
  }
  .nodes-hero h1,
  .nodes-hero .lead{
    margin-inline:auto;
  }
  .nodes-hero-actions,
  .nodes-facts{
    justify-content:center;
  }
  .region-browser{
    width:100%;
    max-width:820px;
    margin-inline:auto;
  }
}

@media (max-width:820px){
  .route-type-card{
    grid-template-columns:1fr;
  }
  .route-type-card-reverse .route-type-mark{
    order:0;
  }
  .route-type-mark{
    min-height:190px;
  }
  .route-process-layout{
    grid-template-columns:1fr;
  }
  .route-process-intro{
    position:static;
  }
}

@media (max-width:768px){
  .nodes-hero{
    padding-top:36px;
  }
  .region-browser-grid{
    grid-template-columns:1fr;
  }
  .region-tile{
    min-height:124px;
  }
  .use-case-row{
    grid-template-columns:1fr;
    gap:20px;
  }
  .use-case-label{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .use-case-label h3{
    margin:0;
  }
  .nodes-support-row{
    align-items:stretch;
    flex-direction:column;
  }
}

@media (max-width:640px){
  .nodes-hero-copy{
    text-align:left;
  }
  .nodes-hero-actions,
  .nodes-facts{
    justify-content:flex-start;
  }
  .region-browser-head{
    align-items:flex-start;
    flex-direction:column;
  }
  .region-tile{
    padding:19px;
  }
  .route-type-card{
    padding:20px;
  }
  .route-type-mark{
    min-height:160px;
    padding:18px;
  }
  .route-type-mark svg{
    margin-top:18px;
  }
  .use-case-row{
    padding-top:30px;
    padding-bottom:30px;
  }
  .route-process-steps li{
    padding-left:54px;
  }
  .nodes-support-row .btn{
    width:100%;
  }
}