/* TAC V1.0.7.16 — Progressive Proof Case Architecture
   Editorial hierarchy only. No new framework, no new interaction state. */
:root{
  --pp-line:rgba(245,245,245,.14);
  --pp-muted:rgba(245,245,245,.68);
}
.pp-proof-map{
  max-width:1180px;
  margin:clamp(18px,3vw,34px) auto clamp(48px,7vw,86px);
  padding:0 clamp(18px,4vw,44px);
}
.pp-proof-map__inner{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--pp-line);
  border-bottom:1px solid var(--pp-line);
}
.pp-proof-map a{
  position:relative;
  display:block;
  min-height:112px;
  padding:22px 22px 20px;
  color:inherit;
  text-decoration:none;
  border-right:1px solid var(--pp-line);
  background:linear-gradient(180deg,rgba(255,255,255,.025),transparent);
}
.pp-proof-map a:last-child{border-right:0}
.pp-proof-map a:focus-visible{
  outline:2px solid var(--case-accent,#d4af37);
  outline-offset:4px;
  z-index:2;
}
.pp-proof-map__kicker{
  display:block;
  margin-bottom:8px;
  font:600 11px/1.2 "JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--case-accent,#d4af37);
}
.pp-proof-map__title{
  display:block;
  margin-bottom:6px;
  font:700 clamp(18px,2vw,24px)/1.05 Inter,Arial,sans-serif;
  letter-spacing:-.025em;
}
.pp-proof-map__desc{
  display:block;
  max-width:30ch;
  font:400 13px/1.55 Inter,Arial,sans-serif;
  color:var(--pp-muted);
}
.pp-layer-intro{
  max-width:1180px;
  margin:clamp(58px,8vw,108px) auto clamp(22px,4vw,42px);
  padding:0 clamp(18px,4vw,44px);
  scroll-margin-top:100px;
}
.pp-layer-intro__line{
  display:grid;
  grid-template-columns:minmax(110px,.34fr) minmax(0,1fr);
  gap:clamp(20px,4vw,56px);
  align-items:start;
  padding-top:18px;
  border-top:1px solid var(--pp-line);
}
.pp-layer-intro__index{
  font:600 11px/1.2 "JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--case-accent,#d4af37);
}
.pp-layer-intro h2{
  margin:0 0 9px;
  font:700 clamp(27px,4vw,52px)/.98 "Clash Display",Inter,Arial,sans-serif;
  letter-spacing:-.04em;
}
.pp-layer-intro p{
  margin:0;
  max-width:62ch;
  color:var(--pp-muted);
  font:400 clamp(14px,1.35vw,17px)/1.65 Inter,Arial,sans-serif;
}
.pp-control-boundary{
  max-width:1180px;
  margin:clamp(30px,5vw,64px) auto clamp(62px,8vw,110px);
  padding:0 clamp(18px,4vw,44px);
}
.pp-control-boundary__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  padding-bottom:16px;
  border-bottom:1px solid var(--pp-line);
}
.pp-control-boundary__head h3{
  margin:0;
  font:700 clamp(21px,2.6vw,32px)/1.05 "Clash Display",Inter,Arial,sans-serif;
  letter-spacing:-.03em;
}
.pp-control-boundary__head p{
  margin:0;
  max-width:54ch;
  color:var(--pp-muted);
  font-size:13px;
  line-height:1.55;
}
.pp-control-boundary__grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-bottom:1px solid var(--pp-line);
}
.pp-control-boundary__item{
  min-height:182px;
  padding:24px 22px;
  border-right:1px solid var(--pp-line);
}
.pp-control-boundary__item:last-child{border-right:0}
.pp-control-boundary__label{
  display:block;
  margin-bottom:14px;
  font:600 11px/1.2 "JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--case-accent,#d4af37);
}
.pp-control-boundary__item p{
  margin:0;
  color:rgba(245,245,245,.82);
  font-size:14px;
  line-height:1.65;
}
.pp-control-boundary__item--human{
  background:linear-gradient(180deg,color-mix(in srgb,var(--case-accent,#d4af37) 8%,transparent),transparent 78%);
}
.pp-proof-boundary-note{
  max-width:1180px;
  margin:-18px auto clamp(52px,7vw,86px);
  padding:0 clamp(18px,4vw,44px);
}
.pp-proof-boundary-note p{
  margin:0;
  padding:14px 0;
  border-top:1px solid var(--pp-line);
  border-bottom:1px solid var(--pp-line);
  color:var(--pp-muted);
  font:500 12px/1.55 "JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
}
@media (max-width:780px){
  .pp-proof-map__inner{grid-template-columns:1fr}
  .pp-proof-map a{
    min-height:auto;
    border-right:0;
    border-bottom:1px solid var(--pp-line);
  }
  .pp-proof-map a:last-child{border-bottom:0}
  .pp-layer-intro__line{grid-template-columns:1fr;gap:10px}
  .pp-control-boundary__head{display:block}
  .pp-control-boundary__head p{margin-top:10px}
  .pp-control-boundary__grid{grid-template-columns:1fr}
  .pp-control-boundary__item{
    min-height:auto;
    border-right:0;
    border-bottom:1px solid var(--pp-line);
  }
  .pp-control-boundary__item:last-child{border-bottom:0}
}