.tutorial-hero{
  position:relative;
  overflow-x:clip;
  border-bottom:1px solid var(--color-line);
  background:var(--color-canvas);
}
.tutorial-hero::before{
  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:26px 26px;
  mask-image:linear-gradient(90deg,transparent,var(--color-ink),transparent);
  opacity:.42;
  content:"";
}
.tutorial-hero-grid{
  position:relative;
  z-index:1;
  min-height:calc(100svh - var(--header-height));
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(420px,.9fr);
  gap:clamp(48px,8vw,112px);
  align-items:center;
  padding-top:clamp(64px,8vw,108px);
  padding-bottom:clamp(64px,8vw,108px);
}
.tutorial-hero-copy{
  min-width:0;
}
.tutorial-hero-copy .eyebrow{
  margin-bottom:22px;
}
.tutorial-hero-copy .lead{
  margin-bottom:30px;
}
.tutorial-hero-copy .button-row{
  margin-bottom:34px;
}
.tutorial-facts{
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  margin:0;
  padding:22px 0 0;
  border-top:1px solid var(--color-line);
  list-style:none;
}
.tutorial-facts li{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--color-ink-soft);
  font-size:13px;
}
.tutorial-facts li>span:first-child{
  color:var(--color-signal);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
}
.tutorial-route{
  min-width:0;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-paper-warm);
}
.tutorial-route svg{
  width:100%;
  height:auto;
  padding:18px;
}
.route-guide{
  fill:none;
  stroke:var(--color-ink);
  stroke-width:1.4;
  stroke-linecap:round;
  stroke-linejoin:round;
  stroke-dasharray:7 7;
}
.route-guide-secondary{
  stroke:var(--color-ink-soft);
  stroke-width:1;
}
.route-module{
  fill:var(--color-canvas);
  stroke:var(--color-ink);
  stroke-width:1.4;
}
.route-node{
  fill:var(--color-canvas);
  stroke:var(--color-ink);
  stroke-width:1.4;
}
.route-node-signal{
  fill:var(--color-signal);
  stroke:var(--color-signal);
}
.route-check{
  fill:none;
  stroke:var(--color-white);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.route-label,
.route-note{
  fill:var(--color-ink-soft);
  font-family:var(--font-mono);
}
.route-label{
  font-size:11px;
  letter-spacing:.1em;
}
.route-label-accent{
  fill:var(--color-signal);
}
.route-note{
  font-size:8px;
  letter-spacing:.08em;
}
.tutorial-route-plate{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:8px 18px;
  padding:20px 24px;
  border-top:1px solid var(--color-line);
  background:var(--color-canvas);
}
.tutorial-route-plate span{
  color:var(--color-ink-soft);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.12em;
}
.tutorial-route-plate strong{
  color:var(--color-ink);
  font-size:13px;
  font-weight:500;
}
.tutorial-section{
  position:relative;
}
.tutorial-section-lined{
  border-block:1px solid var(--color-line);
  background:var(--color-paper-warm);
}
.tutorial-section-dark{
  background:var(--color-panel);
  color:var(--color-white);
}
.tutorial-section-dark h2,
.tutorial-section-dark h3{
  color:var(--color-white);
}
.tutorial-section-dark p{
  color:var(--color-dark-soft);
}
.tutorial-section-dark a:not(.btn){
  color:var(--color-white);
}
.tutorial-section-dark code{
  color:var(--color-white);
}
.tutorial-section .reading-wrap>p{
  color:var(--color-ink-soft);
}
.tutorial-section .reading-wrap>p+p{
  margin-top:20px;
}
.step-heading{
  display:grid;
  grid-template-columns:120px minmax(0,1fr);
  gap:24px;
  align-items:start;
  margin-bottom:28px;
}
.step-heading h2{
  margin:0;
}
.step-code{
  padding-top:10px;
  color:var(--color-signal);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
}
.step-action{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:center;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--color-line);
}
.step-action p{
  margin:0;
  color:var(--color-ink-soft);
  font-size:14px;
}
.tutorial-section-dark .step-action{
  border-color:var(--color-dark-line);
}
.tutorial-section-dark .step-action p{
  color:var(--color-dark-soft);
}
.client-instruction{
  position:relative;
  margin-top:46px;
  padding:30px 0 0 122px;
  border-top:1px solid var(--color-line);
}
.client-instruction h3{
  font-size:clamp(22px,3vw,28px);
}
.client-instruction p{
  color:var(--color-ink-soft);
}
.client-instruction p+p{
  margin-top:18px;
}
.client-label{
  position:absolute;
  top:38px;
  left:0;
  color:var(--color-signal) !important;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
}
.verification-plate{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:0;
  margin-top:36px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  background:var(--color-canvas);
}
.verification-plate span,
.verification-plate strong{
  padding:14px 18px;
  border-bottom:1px solid var(--color-line);
}
.verification-plate span{
  color:var(--color-signal);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.12em;
}
.verification-plate strong{
  border-left:1px solid var(--color-line);
  color:var(--color-ink);
  font-size:14px;
  font-weight:500;
}
.verification-plate span:nth-last-child(-n+2),
.verification-plate strong:nth-last-child(-n+2){
  border-bottom:0;
}
.tutorial-section a:not(.btn){
  text-decoration:underline;
  text-decoration-color:var(--color-signal);
  text-underline-offset:3px;
}
@media (max-width:1080px){
  .tutorial-hero-grid{
    min-height:auto;
    grid-template-columns:1fr;
  }
  .tutorial-route{
    max-width:720px;
  }
}
@media (max-width:768px){
  .tutorial-hero::before{
    display:none;
  }
  .tutorial-hero-grid{
    gap:44px;
    padding-top:48px;
    padding-bottom:56px;
  }
  .step-heading{
    grid-template-columns:1fr;
    gap:8px;
  }
  .step-code{
    padding-top:0;
  }
  .step-action{
    grid-template-columns:1fr;
  }
  .step-action .btn{
    width:100%;
  }
  .client-instruction{
    padding-left:0;
  }
  .client-label{
    position:static;
    margin-bottom:10px;
  }
}
@media (max-width:640px){
  .tutorial-facts{
    align-items:flex-start;
    flex-direction:column;
  }
  .tutorial-route svg{
    padding:8px;
  }
  .tutorial-route-plate{
    grid-template-columns:1fr;
    gap:5px;
    padding:18px;
  }
  .tutorial-route-plate strong+span{
    margin-top:9px;
  }
  .verification-plate{
    grid-template-columns:1fr;
  }
  .verification-plate span,
  .verification-plate strong{
    padding:12px 14px;
  }
  .verification-plate strong{
    border-left:0;
  }
  .verification-plate span:nth-last-child(-n+2){
    border-bottom:1px solid var(--color-line);
  }
}
@media (prefers-reduced-motion:reduce){
  .tutorial-route{
    transform:none;
  }
}