.ai-hero{
  position:relative;
  min-height:720px;
  overflow-x:clip;
  border-bottom:1px solid var(--color-ink-line);
}
.ai-hero-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(var(--color-grid-dot) 1px,transparent 1px),
    linear-gradient(90deg,var(--color-grid-dot) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,var(--color-ink),transparent);
  pointer-events:none;
}
.ai-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-220px;
  width:620px;
  height:620px;
  border-radius:50%;
  background:radial-gradient(circle,var(--color-glow),transparent 68%);
  pointer-events:none;
}
.ai-hero-layout{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);
  align-items:center;
  gap:clamp(42px,7vw,96px);
  min-height:720px;
  padding-top:72px;
  padding-bottom:84px;
}
.ai-hero-copy{
  min-width:0;
}
.ai-hero-badge{
  margin-bottom:22px;
  border-color:var(--color-ink-line);
  background:var(--color-ink-panel);
  color:var(--color-ink-muted);
}
.ai-hero h1{
  max-width:760px;
  color:var(--color-ink-text);
}
.ai-hero h1 .no-break{
  color:var(--color-accent);
}
.ai-hero-lead{
  max-width:720px;
  margin:24px 0 0;
  color:var(--color-ink-muted);
  font-size:19px;
}
.ai-trust-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  margin:24px 0 0;
  padding:0;
  color:var(--color-ink-muted);
  font-size:13px;
  list-style:none;
}
.ai-trust-list li{
  display:flex;
  align-items:center;
  gap:8px;
}
.ai-trust-list li::before{
  content:"";
  width:6px;
  height:6px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--color-accent);
  box-shadow:0 0 9px var(--color-glow-strong);
}
.ai-route-console{
  min-width:0;
  padding:18px;
  border:1px solid var(--color-ink-line);
  border-radius:var(--radius-md);
  background:var(--color-ink-panel);
  box-shadow:var(--shadow-ink);
}
.ai-console-head{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:34px;
  padding-bottom:14px;
  border-bottom:1px solid var(--color-ink-line);
  color:var(--color-ink-muted);
  font-size:11px;
  letter-spacing:.08em;
}
.ai-console-dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--color-accent);
  box-shadow:0 0 10px var(--color-glow-strong);
}
.ai-console-state{
  margin-left:auto;
  color:var(--color-accent);
  font-family:var(--font-mono);
}
.ai-route-flow{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:9px;
  padding:28px 0;
}
.ai-route-node{
  display:flex;
  min-width:0;
  min-height:136px;
  padding:15px 11px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  border:1px solid var(--color-ink-line);
  border-radius:var(--radius-sm);
  background:var(--color-ink);
  text-align:center;
}
.ai-route-node.is-active{
  border-color:var(--color-accent);
  box-shadow:0 0 22px var(--color-glow);
}
.ai-route-node strong{
  margin-top:11px;
  color:var(--color-ink-text);
  font-size:14px;
}
.ai-route-node small{
  margin-top:4px;
  color:var(--color-ink-muted);
  font-size:10px;
}
.ai-node-mark{
  display:grid;
  min-width:38px;
  min-height:30px;
  padding:5px 7px;
  place-items:center;
  border:1px solid var(--color-ink-line);
  border-radius:var(--radius-xs);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:9px;
}
.ai-route-arrow{
  color:var(--color-accent);
  font-family:var(--font-mono);
}
.ai-inspect-list{
  display:grid;
  gap:0;
  margin:0;
  border-top:1px solid var(--color-ink-line);
}
.ai-inspect-list div{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:12px;
  padding:12px 4px;
  border-bottom:1px solid var(--color-ink-line);
}
.ai-inspect-list div:last-child{
  border-bottom:0;
}
.ai-inspect-list dt{
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.08em;
}
.ai-inspect-list dd{
  margin:0;
  color:var(--color-ink-muted);
  font-size:12px;
}
.ai-content{
  min-width:0;
}
.ai-principle-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  overflow:hidden;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-border);
}
.ai-principle{
  min-width:0;
  padding:30px;
  background:var(--color-panel);
}
.ai-principle-key{
  display:block;
  margin-bottom:17px;
  color:var(--color-accent-dark);
  font-size:11px;
  letter-spacing:.12em;
}
.ai-principle h3{
  font-size:23px;
}
.ai-principle p{
  margin:14px 0 0;
  color:var(--color-muted);
}
.ai-tool-section{
  background:var(--color-panel-soft);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.ai-tool-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.ai-tool-card{
  min-width:0;
  padding:26px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
}
.ai-tool-heading{
  display:flex;
  align-items:center;
  gap:13px;
  margin-bottom:18px;
}
.ai-tool-code{
  display:grid;
  width:44px;
  height:44px;
  flex:0 0 auto;
  place-items:center;
  border:1px solid var(--color-accent);
  border-radius:var(--radius-sm);
  background:var(--color-panel-soft);
  color:var(--color-accent-dark);
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
}
.ai-tool-card h3{
  font-size:22px;
}
.ai-tool-card p{
  color:var(--color-muted);
  font-size:15px;
}
.ai-tool-card p:last-child{
  margin-bottom:0;
}
.ai-compare-table td:first-child{
  color:var(--color-text);
}
.ai-dev-section{
  background:var(--color-ink);
  color:var(--color-ink-text);
}
.ai-dev-section h2,
.ai-dev-section h3{
  color:var(--color-ink-text);
}
.ai-dev-section .section-head p{
  color:var(--color-ink-muted);
}
.ai-dev-section .eyebrow{
  border-color:var(--color-ink-line);
  color:var(--color-ink-muted);
}
.ai-layer-layout{
  display:grid;
  grid-template-columns:130px minmax(0,1fr);
  gap:28px;
}
.ai-layer-rail{
  display:flex;
  align-self:start;
  flex-direction:column;
  position:sticky;
  top:92px;
  border:1px solid var(--color-ink-line);
  border-radius:var(--radius-sm);
  background:var(--color-ink-panel);
}
.ai-layer-rail span{
  padding:13px 14px;
  border-bottom:1px solid var(--color-ink-line);
  color:var(--color-ink-muted);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.08em;
}
.ai-layer-rail span:last-child{
  border-bottom:0;
}
.ai-layer-content{
  min-width:0;
  border-top:1px solid var(--color-ink-line);
}
.ai-layer-item{
  padding:30px 0;
  border-bottom:1px solid var(--color-ink-line);
}
.ai-layer-item h3{
  font-size:24px;
}
.ai-layer-item p{
  max-width:820px;
  color:var(--color-ink-muted);
}
.ai-layer-item p:last-child{
  margin-bottom:0;
}
.ai-guidance-grid .panel h3{
  margin-bottom:16px;
}
.ai-guidance-grid .panel p{
  color:var(--color-muted);
}
.ai-diagnostics-section{
  background:var(--color-panel-soft);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.ai-selection-grid{
  display:grid;
  gap:12px;
}
.ai-selection-item{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:20px;
  align-items:start;
  padding:24px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
}
.ai-selection-mark{
  display:grid;
  width:54px;
  height:54px;
  place-items:center;
  border-radius:var(--radius-sm);
  background:var(--color-ink);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-weight:700;
}
.ai-selection-item h3{
  font-size:21px;
}
.ai-selection-item p{
  margin:8px 0 0;
  color:var(--color-muted);
}
.ai-final-links{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:42px;
}
.ai-final-links>div{
  display:flex;
  min-width:0;
  padding:28px;
  flex-direction:column;
  align-items:flex-start;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel-soft);
}
.ai-final-links strong{
  font-family:var(--font-display);
  font-size:21px;
}
.ai-final-links p{
  color:var(--color-muted);
}
.ai-final-links .btn{
  margin-top:auto;
}
@media(max-width:1040px){
  .ai-hero-layout{
    grid-template-columns:minmax(0,1fr) minmax(360px,.85fr);
    gap:40px;
  }
  .ai-tool-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media(max-width:820px){
  .ai-hero{
    min-height:auto;
  }
  .ai-hero-layout{
    grid-template-columns:1fr;
    min-height:auto;
    padding-top:58px;
    padding-bottom:70px;
  }
  .ai-route-console{
    width:100%;
    max-width:620px;
    margin-inline:auto;
  }
  .ai-layer-layout{
    grid-template-columns:1fr;
  }
  .ai-layer-rail{
    position:static;
    flex-direction:row;
    overflow-x:auto;
  }
  .ai-layer-rail span{
    flex:1 0 auto;
    border-right:1px solid var(--color-ink-line);
    border-bottom:0;
  }
  .ai-layer-rail span:last-child{
    border-right:0;
  }
}
@media(max-width:640px){
  .ai-hero::after{
    right:-260px;
  }
  .ai-hero-lead{
    font-size:16px;
  }
  .ai-route-flow{
    grid-template-columns:1fr;
  }
  .ai-route-arrow{
    transform:rotate(90deg);
    justify-self:center;
  }
  .ai-route-node{
    min-height:108px;
  }
  .ai-inspect-list div{
    grid-template-columns:72px minmax(0,1fr);
  }
  .ai-principle-grid,
  .ai-tool-grid,
  .ai-final-links{
    grid-template-columns:1fr;
  }
  .ai-principle,
  .ai-tool-card{
    padding:22px;
  }
  .ai-selection-item{
    grid-template-columns:42px minmax(0,1fr);
    gap:14px;
    padding:20px;
  }
  .ai-selection-mark{
    width:42px;
    height:42px;
  }
}