.tutorial-hero{
  position:relative;
  max-width:100%;
  overflow-x:clip;
  padding-top:72px;
  padding-bottom:80px;
  border-bottom:1px solid var(--color-border);
  background:linear-gradient(180deg,var(--color-hero-top),var(--color-hero-bottom));
}
.tutorial-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(var(--color-grid) 1px,transparent 1px),linear-gradient(90deg,var(--color-grid) 1px,transparent 1px);
  background-size:32px 32px;
}
.tutorial-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);
  gap:72px;
  align-items:center;
}
.tutorial-hero-copy{max-width:720px}
.tutorial-hero-copy h1{margin:20px 0 18px}
.tutorial-hero-copy .lead{margin-bottom:0}
.tutorial-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.tutorial-route{
  display:flex;
  min-height:300px;
  flex-direction:column;
  justify-content:center;
  padding:32px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  background:var(--color-panel);
  box-shadow:inset 0 1px 0 var(--color-highlight),var(--shadow-panel);
}
.tutorial-route-node{
  display:flex;
  min-height:62px;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:14px 16px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-panel-sunk);
}
.tutorial-route-node span{
  color:var(--color-muted);
  font-size:11px;
  letter-spacing:.06em;
}
.tutorial-route-node strong{font-size:15px}
.tutorial-route-node.is-source{background:var(--color-panel)}
.tutorial-route-node.is-live{
  border-color:var(--color-success);
  box-shadow:inset 3px 0 0 var(--color-success);
}
.tutorial-route-line{
  display:flex;
  min-height:44px;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.tutorial-route-line span{
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--color-border);
}
.tutorial-route-line span:last-child{background:var(--color-success)}
.tutorial-article{
  padding-top:56px;
  padding-bottom:var(--section-space);
}
.tutorial-article > .callout{margin-top:0}
.tutorial-article > .toc-tabs{margin-top:32px}
.tutorial-layout{
  display:grid;
  grid-template-columns:minmax(220px,.52fr) minmax(0,1.48fr);
  gap:64px;
  align-items:start;
  margin-top:64px;
}
.tutorial-summary{
  position:sticky;
  top:calc(var(--header-height) + 84px);
  padding:28px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel-sunk);
  box-shadow:inset 0 1px 0 var(--color-highlight);
}
.tutorial-summary > p:nth-child(2){
  margin-bottom:28px;
  font-size:18px;
  line-height:1.55;
}
.tutorial-summary dl{margin:0}
.tutorial-summary dl div{
  padding:13px 0;
  border-top:1px solid var(--color-border);
}
.tutorial-summary dt{
  margin-bottom:3px;
  color:var(--color-muted);
  font-size:12px;
}
.tutorial-summary dd{
  margin:0;
  overflow-wrap:anywhere;
  color:var(--color-text);
  font-size:13px;
  font-weight:600;
}
.tutorial-content{min-width:0}
.tutorial-step{
  padding-top:72px;
  padding-bottom:72px;
  border-top:1px solid var(--color-border);
}
.tutorial-step:first-child{padding-top:0;border-top:0}
.tutorial-step:last-child{padding-bottom:0}
.tutorial-step-head{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:18px;
  align-items:start;
  margin-bottom:28px;
}
.tutorial-step-index{
  display:flex;
  width:48px;
  height:48px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-panel);
  box-shadow:inset 0 1px 0 var(--color-highlight);
  color:var(--color-muted);
  font-size:10px;
  letter-spacing:.04em;
}
.tutorial-step-head .mono-label{margin-bottom:7px}
.tutorial-step-head h2{
  margin-bottom:0;
  font-size:clamp(28px,3vw,40px);
}
.tutorial-step > p{
  max-width:820px;
  color:var(--color-muted);
  font-size:16px;
  line-height:1.85;
}
.tutorial-step > p strong{color:var(--color-text)}
.tutorial-action-panel,
.tutorial-complete{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:center;
  margin-top:32px;
  padding:24px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:inset 0 1px 0 var(--color-highlight),0 10px 30px var(--color-shadow-soft);
}
.tutorial-action-panel div{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.tutorial-action-panel strong{color:var(--color-text)}
.tutorial-action-panel span{color:var(--color-muted);font-size:13px}
.platform-instructions{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 32px;
  margin-top:36px;
  border-bottom:1px solid var(--color-border);
}
.platform-instruction{
  min-width:0;
  padding-top:30px;
  padding-bottom:30px;
  border-top:1px solid var(--color-border);
}
.platform-instruction:nth-child(5){grid-column:1 / -1}
.platform-instruction h3{
  margin-bottom:14px;
  font-size:22px;
}
.platform-instruction p:not(.mono-label){
  color:var(--color-muted);
  line-height:1.8;
}
.platform-instruction p:last-child{margin-bottom:0}
.tutorial-complete{
  margin-top:36px;
  background:linear-gradient(135deg,var(--color-accent-dark),var(--color-accent-companion));
  color:var(--color-panel);
}
.tutorial-complete h3{margin-bottom:8px;color:var(--color-panel)}
.tutorial-complete p:not(.mono-label){margin:0;color:var(--color-border)}
.tutorial-complete .mono-label{color:var(--color-border)}
.tutorial-complete .btn-secondary{
  border-color:var(--color-panel);
  background:var(--color-panel);
}
@media (max-width:900px){
  .tutorial-hero-inner{grid-template-columns:1fr;gap:44px}
  .tutorial-hero-copy{margin-inline:auto;text-align:center}
  .tutorial-hero-copy .lead{margin-inline:auto}
  .tutorial-hero-actions{justify-content:center}
  .tutorial-route{
    width:100%;
    max-width:620px;
    min-height:0;
    margin-inline:auto;
  }
  .tutorial-layout{grid-template-columns:1fr;gap:44px}
  .tutorial-summary{position:static}
}
@media (max-width:768px){
  .tutorial-hero{
    padding-top:52px;
    padding-bottom:60px;
  }
  .tutorial-hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .tutorial-route{padding:20px}
  .tutorial-article{
    padding-top:40px;
    padding-bottom:72px;
  }
  .tutorial-layout{margin-top:48px}
  .tutorial-step{
    padding-top:56px;
    padding-bottom:56px;
  }
  .platform-instructions{grid-template-columns:1fr}
  .platform-instruction:nth-child(5){grid-column:auto}
}
@media (max-width:640px){
  .tutorial-route-node{
    align-items:flex-start;
    flex-direction:column;
    gap:4px;
  }
  .tutorial-step-head{
    grid-template-columns:42px minmax(0,1fr);
    gap:12px;
  }
  .tutorial-step-index{
    width:38px;
    height:38px;
  }
  .tutorial-step > p{font-size:15px}
  .tutorial-action-panel,
  .tutorial-complete{
    grid-template-columns:1fr;
    padding:20px;
  }
  .tutorial-action-panel .btn,
  .tutorial-complete .btn{width:100%}
}