.setup-intro{
  display:grid;
  grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);
  align-items:center;
  gap:40px;
}
.setup-intro-copy{
  min-width:0;
}
.setup-intro-copy h1{
  margin-top:14px;
}
.setup-summary{
  max-width:650px;
  margin-top:22px;
  margin-bottom:16px;
  font-size:19px;
  color:var(--muted);
}
.setup-intro-copy a{
  color:var(--accent-dark);
  text-decoration:underline;
  text-underline-offset:3px;
}
.setup-preflight{
  background:linear-gradient(145deg,var(--panel-hi),var(--panel-tint));
}
.setup-preflight h2{
  margin-top:18px;
  font-size:24px;
}
.setup-preflight p{
  margin-top:12px;
  margin-bottom:18px;
  color:var(--muted);
}
.setup-guide{
  padding-bottom:72px;
}
.setup-interface-note{
  margin-top:24px;
  margin-bottom:0;
}
.setup-step{
  min-width:0;
  padding-top:42px;
  padding-bottom:36px;
  border-bottom:1px solid var(--border);
}
.setup-step:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.setup-section-label{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent-dark);
}
.setup-step h2{
  margin-top:12px;
}
.setup-step>p{
  max-width:940px;
}
.setup-step h3[id]{
  scroll-margin-top:var(--toc-landing);
}
.setup-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:24px;
  margin-bottom:20px;
}
.setup-actions a{
  text-decoration:none;
}
.setup-actions .btn-primary{
  color:var(--white);
}
.setup-actions .btn-ghost{
  color:var(--text);
}
.setup-step .setup-checkpoint{
  max-width:none;
  margin-top:24px;
  margin-bottom:0;
  padding:16px 20px;
  border-radius:var(--r-sm);
  background:var(--panel-2);
  color:var(--muted);
  font-size:14px;
}
.setup-checkpoint strong{
  color:var(--text);
}
.setup-platform-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:20px;
  margin-bottom:24px;
}
.setup-platform-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 16px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  background:var(--panel);
  font-family:var(--font-mono);
  font-size:13px;
  text-decoration:none;
}
.setup-platform-links a:hover{
  background:var(--panel-hi);
  border-color:var(--accent);
}
@media(max-width:768px){
  .setup-intro{
    grid-template-columns:1fr;
    gap:28px;
  }
  .setup-summary{
    font-size:17px;
  }
  .setup-guide{
    padding-bottom:48px;
  }
  .setup-step{
    padding-top:32px;
    padding-bottom:28px;
  }
}
@media(max-width:640px){
  .setup-actions{
    align-items:stretch;
  }
  .setup-actions .btn{
    min-width:0;
    max-width:100%;
    padding-inline:20px;
  }
  .setup-step .setup-checkpoint{
    padding:14px 16px;
  }
}