.tutorial-hero{
  position:relative;
  overflow-x:clip;
  padding-top:clamp(56px,8vw,96px);
  padding-bottom:clamp(58px,8vw,90px);
  border-bottom:1px solid var(--color-border);
}
.tutorial-hero::after{
  position:absolute;
  right:-32px;
  bottom:-20px;
  left:-32px;
  z-index:-1;
  height:94px;
  content:"";
  opacity:.24;
  background-image:radial-gradient(var(--color-accent) 1px,transparent 1.1px);
  background-size:15px 15px;
}
.tutorial-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);
  gap:clamp(34px,6vw,76px);
  align-items:center;
}
.tutorial-hero-copy{
  min-width:0;
  max-width:760px;
}
.tutorial-intro{
  max-width:680px;
  margin-top:24px;
  color:var(--color-muted);
  font-size:18px;
}
.tutorial-route-card{
  position:relative;
  min-width:0;
  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);
}
.tutorial-route-card::before{
  position:absolute;
  top:18px;
  right:18px;
  width:10px;
  height:10px;
  border-radius:var(--radius-pill);
  content:"";
  background:var(--color-success);
}
.tutorial-route-list{
  display:grid;
  gap:0;
  list-style:none;
  counter-reset:tutorial-route;
}
.tutorial-route-list li{
  position:relative;
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:16px;
  align-items:center;
  min-width:0;
  padding:15px 0 15px 28px;
  border-top:1px solid var(--color-border);
  counter-increment:tutorial-route;
}
.tutorial-route-list li:first-child{
  border-top:0;
}
.tutorial-route-list li::before{
  position:absolute;
  left:0;
  color:var(--color-accent);
  content:counter(tutorial-route,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:800;
}
.tutorial-route-list span{
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
}
.tutorial-route-list strong{
  min-width:0;
  font-size:14px;
}
.tutorial-main{
  padding-top:38px;
  padding-bottom:var(--section-space);
}
.tutorial-flow{
  width:100%;
  max-width:920px;
  margin-inline:auto;
}
.tutorial-section{
  padding-top:clamp(52px,7vw,84px);
  padding-bottom:clamp(52px,7vw,84px);
}
.tutorial-section h2,
.tutorial-step h2{
  margin-bottom:22px;
}
.tutorial-section > p + p,
.tutorial-step-content > p + p,
.platform-guide p + p{
  margin-top:18px;
}
.tutorial-section > p,
.tutorial-step-content > p{
  color:var(--color-muted);
  font-size:17px;
}
.tutorial-section a:not(.btn),
.tutorial-step a:not(.btn){
  color:var(--color-accent);
  font-weight:800;
  text-decoration:underline;
  text-underline-offset:3px;
}
.tutorial-section .callout{
  margin-bottom:24px;
}
.tutorial-steps{
  display:grid;
  gap:34px;
  counter-reset:tutorial-step;
}
.tutorial-step{
  display:grid;
  grid-template-columns:100px minmax(0,1fr);
  gap:28px;
  min-width:0;
  padding:clamp(26px,5vw,48px);
  border:1px solid var(--color-border);
  border-top:4px solid var(--color-accent);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
  counter-increment:tutorial-step;
}
.tutorial-step-mark{
  position:sticky;
  top:var(--toc-offset);
  display:grid;
  width:78px;
  height:78px;
  align-self:start;
  place-items:center;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  color:var(--color-accent);
  background:var(--color-panel-alt);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:800;
}
.tutorial-step-mark::before{
  position:absolute;
  transform:translateY(-44px);
  padding:2px 7px;
  border-radius:var(--radius-pill);
  content:"STEP " counter(tutorial-step,decimal-leading-zero);
  color:var(--color-white);
  background:var(--color-accent);
  font-size:9px;
  letter-spacing:.08em;
  white-space:nowrap;
}
.tutorial-step-content{
  min-width:0;
}
.tutorial-step-content pre{
  margin-top:18px;
  margin-bottom:18px;
}
.tutorial-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.platform-guide-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-top:30px;
  margin-bottom:28px;
}
.platform-guide{
  min-width:0;
  padding:24px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:var(--color-bg);
}
.platform-guide h3{
  position:relative;
  margin-bottom:16px;
  padding-bottom:12px;
  font-size:22px;
}
.platform-guide h3::after{
  position:absolute;
  bottom:0;
  left:0;
  width:42px;
  height:3px;
  content:"";
  background:var(--color-accent);
}
.platform-guide p{
  color:var(--color-muted);
  font-size:15px;
}
.tutorial-finish{
  padding-bottom:0;
}
.tutorial-finish .promo-block{
  margin-top:42px;
}
@media (max-width:900px){
  .tutorial-hero-grid{
    grid-template-columns:1fr;
  }
  .tutorial-route-card{
    max-width:680px;
    transform:none;
  }
  .tutorial-step{
    grid-template-columns:76px minmax(0,1fr);
    gap:20px;
  }
  .tutorial-step-mark{
    width:64px;
    height:64px;
  }
}
@media (max-width:700px){
  .tutorial-main{
    padding-top:24px;
  }
  .tutorial-route-card{
    padding:22px;
  }
  .tutorial-step{
    grid-template-columns:1fr;
    padding:24px 20px;
  }
  .tutorial-step-mark{
    position:relative;
    top:auto;
    width:auto;
    height:46px;
    justify-self:start;
    padding:0 18px;
  }
  .tutorial-step-mark::before{
    position:static;
    margin-right:10px;
    transform:none;
  }
  .platform-guide-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width:480px){
  .tutorial-intro{
    font-size:16px;
  }
  .tutorial-route-list li{
    grid-template-columns:58px minmax(0,1fr);
    gap:10px;
    padding-left:24px;
  }
  .tutorial-section > p,
  .tutorial-step-content > p{
    font-size:16px;
  }
  .tutorial-actions{
    display:grid;
  }
}
@media (prefers-reduced-motion:reduce){
  .tutorial-route-card{
    transform:none;
  }
}