.guide-hero{
  position:relative;
  overflow-x:clip;
  background:var(--color-panel-soft);
  border-bottom:1px solid var(--color-line);
}

.guide-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(var(--color-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--color-line) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.34;
}

.guide-hero::after{
  content:"";
  position:absolute;
  width:min(50vw,680px);
  aspect-ratio:1;
  left:-14%;
  top:-40%;
  border-radius:var(--radius-pill);
  background:radial-gradient(closest-side,var(--color-glow),transparent);
  pointer-events:none;
}

.guide-hero-inner{
  position:relative;
  z-index:1;
  min-height:clamp(570px,75svh,760px);
  padding-top:clamp(68px,8vw,112px);
  padding-bottom:clamp(72px,8vw,112px);
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(360px,.72fr);
  align-items:center;
  gap:clamp(48px,7vw,104px);
}

.guide-hero-copy{
  max-width:720px;
}

.guide-hero-copy h1{
  margin:22px 0 20px;
}

.guide-hero-copy .lead{
  max-width:650px;
  margin-bottom:28px;
}

.guide-facts{
  display:flex;
  flex-wrap:wrap;
  gap:9px 20px;
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--color-line);
  color:var(--color-muted);
  font-size:13px;
}

.guide-facts span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}

.guide-facts span::before{
  content:"";
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:var(--radius-pill);
  background:var(--color-accent);
}

.guide-path{
  overflow:hidden;
  background:var(--color-dark);
  color:var(--color-dark-text);
  border:1px solid var(--color-dark-line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-window);
  transform:rotate(1deg);
}

.path-chrome{
  min-height:44px;
  padding-inline:16px;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--color-dark-panel);
  border-bottom:1px solid var(--color-dark-line);
}

.path-light{
  width:10px;
  height:10px;
  flex:0 0 auto;
  border-radius:var(--radius-pill);
}

.path-light-error{
  background:var(--color-error);
}

.path-light-warning{
  background:var(--color-warning);
}

.path-light-success{
  background:var(--color-success);
}

.path-caption{
  margin-left:8px;
  color:var(--color-dark-muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
}

.path-list{
  list-style:none;
  margin:0;
  padding:24px;
  display:grid;
  gap:9px;
  background-image:radial-gradient(var(--color-dark-line) 1px,transparent 1.4px);
  background-size:13px 13px;
}

.path-item{
  min-height:66px;
  padding:12px 14px;
  display:grid;
  grid-template-columns:38px minmax(0,1fr) auto;
  align-items:center;
  gap:12px;
  color:var(--color-dark-muted);
  border:1px solid var(--color-dark-line);
  border-radius:var(--radius-sm);
  background:var(--color-dark-panel);
}

.path-item.is-current{
  color:var(--color-dark-text);
  border-color:var(--color-accent);
  box-shadow:inset 3px 0 0 var(--color-accent);
}

.path-index{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:var(--radius-xs);
  background:var(--color-dark-raised);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-weight:800;
}

.path-label{
  font-family:var(--font-display);
  font-weight:800;
}

.path-state{
  font-family:var(--font-mono);
  font-size:11px;
}

.guide-article{
  position:relative;
  padding-top:34px;
  padding-bottom:var(--section-space);
}

.guide-article > .toc-tabs{
  top:10px;
  z-index:45;
  margin-bottom:clamp(48px,7vw,86px);
  box-shadow:var(--shadow-card);
}

.guide-reading{
  width:100%;
  max-width:920px;
  margin-inline:auto;
}

.guide-callout{
  margin-bottom:clamp(56px,8vw,92px);
}

.guide-callout a,
.guide-step a:not(.btn-primary):not(.btn-secondary),
.next-reading a{
  color:var(--color-accent-deep);
  font-weight:800;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}

.guide-step{
  padding-top:clamp(26px,4vw,52px);
  padding-bottom:clamp(64px,8vw,104px);
  border-bottom:1px solid var(--color-line);
}

.step-heading{
  display:grid;
  grid-template-columns:58px minmax(0,1fr);
  gap:20px;
  align-items:start;
  margin-bottom:28px;
}

.step-number{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  border-radius:var(--radius-sm);
  background:var(--color-dark);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:800;
  box-shadow:inset 0 0 0 1px var(--color-dark-line);
}

.step-kicker{
  margin-bottom:8px;
  color:var(--color-accent-deep);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
}

.step-heading h2{
  margin-bottom:0;
  font-size:clamp(30px,4vw,46px);
}

.guide-step > p{
  margin-bottom:20px;
  color:var(--color-muted);
  font-size:17px;
  line-height:1.9;
}

.guide-step pre{
  margin:24px 0;
  border:1px solid var(--color-dark-line);
}

.step-action{
  margin-top:30px;
  padding:20px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 22px;
  background:var(--color-panel-soft);
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
}

.step-action span{
  flex:1 1 280px;
  color:var(--color-muted);
  font-size:14px;
}

.platform-instructions{
  margin:34px 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.platform-instruction{
  padding:26px;
  background:var(--color-panel);
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-card);
}

.platform-instruction h3{
  position:relative;
  margin-bottom:18px;
  padding-bottom:13px;
  font-size:24px;
}

.platform-instruction h3::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:42px;
  height:3px;
  border-radius:var(--radius-pill);
  background:var(--color-accent);
}

.platform-instruction p{
  margin-bottom:16px;
  color:var(--color-muted);
  line-height:1.82;
}

.platform-instruction p:last-child{
  margin-bottom:0;
}

.next-reading{
  margin-top:clamp(64px,8vw,104px);
  padding:clamp(28px,5vw,48px);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);
  gap:40px;
  background:var(--color-dark);
  color:var(--color-dark-text);
  border:1px solid var(--color-dark-line);
  border-radius:var(--radius-md);
  background-image:radial-gradient(var(--color-dark-line) 1px,transparent 1.4px);
  background-size:13px 13px;
}

.next-reading h2{
  margin-bottom:16px;
  color:var(--color-dark-text);
  font-size:clamp(30px,4vw,44px);
}

.next-reading p{
  margin-bottom:0;
  color:var(--color-dark-muted);
}

.next-links{
  display:grid;
  gap:12px;
}

.next-reading .next-links a{
  min-height:88px;
  padding:17px 18px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  color:var(--color-dark-text);
  text-decoration:none;
  background:var(--color-dark-panel);
  border:1px solid var(--color-dark-line);
  border-radius:var(--radius-sm);
  transition:transform var(--transition-fast),border-color var(--transition-fast);
}

.next-reading .next-links a:hover{
  transform:translateY(-2px);
  border-color:var(--color-accent);
}

.next-links strong{
  color:var(--color-accent);
}

.next-links span{
  color:var(--color-dark-muted);
  font-size:13px;
}

@media (max-width:980px){
  .guide-hero-inner{
    grid-template-columns:1fr;
  }

  .guide-path{
    width:min(620px,100%);
  }

  .next-reading{
    grid-template-columns:1fr;
  }
}

@media (max-width:768px){
  .guide-hero-inner{
    min-height:auto;
  }

  .guide-path{
    transform:none;
  }

  .platform-instructions{
    grid-template-columns:1fr;
  }

  .guide-article{
    padding-top:20px;
  }

  .guide-article > .toc-tabs{
    margin-inline:calc(var(--gutter) * -1);
    margin-bottom:52px;
  }
}

@media (max-width:520px){
  .guide-facts{
    display:grid;
  }

  .path-list{
    padding:16px;
  }

  .path-item{
    grid-template-columns:36px minmax(0,1fr);
  }

  .path-state{
    display:none;
  }

  .step-heading{
    grid-template-columns:44px minmax(0,1fr);
    gap:14px;
  }

  .step-number{
    width:42px;
    height:42px;
    font-size:16px;
  }

  .step-action{
    align-items:stretch;
  }

  .step-action .btn-primary,
  .step-action .btn-secondary{
    width:100%;
  }

  .platform-instruction{
    padding:22px 18px;
  }
}

@media (prefers-reduced-motion:reduce){
  .guide-path{
    transform:none;
  }
}