/* FAIM Technology Show: Anatomy layer. Full component on /tech/ (#anatomy), compact strip on /c/<id>/.
   Uses the shell tokens (exp.css) so light and dark follow the site switch. No animation loops. */
.anat{--anat-acc:var(--go);--anat-on:var(--go-text);display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(18px,2.4vw,28px);min-width:0}
.anat>*{min-width:0}
.anat-k{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0}
.anat .sr,.anat-mini .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* top bar: label + complete-system toggle */
.anat-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.anat-all{min-height:44px;padding:0 16px;border-radius:99px;border:1px solid var(--line);background:var(--paper);color:var(--ink-2);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.anat-all:hover{border-color:var(--teal);color:var(--teal)}
.anat-all[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* journey rail: eight nodes on one thin wire */
.anat-railw{position:relative}
.anat-wire{position:absolute;left:6.25%;right:6.25%;top:21px;width:87.5%;height:2px;overflow:visible;pointer-events:none}
.anat-wire line{stroke:var(--line);stroke-width:1.5}
.anat-rail{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px;position:relative}
.anat-node{all:unset;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;width:100%;min-height:118px;padding:0 4px 10px;border-radius:var(--r-s);cursor:pointer;color:var(--ink);-webkit-tap-highlight-color:transparent}
.anat-i{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--paper);font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--muted);font-variant-numeric:tabular-nums;transition:background .2s var(--e-std),border-color .2s var(--e-std),color .2s var(--e-std),box-shadow .2s var(--e-std)}
.anat-node b{font-size:15px;font-weight:700;letter-spacing:-.005em}
.anat-node small{font-size:12.5px;line-height:1.35;color:var(--muted);max-width:16ch}
.anat-node:hover .anat-i{border-color:var(--teal);color:var(--teal)}
.anat-node:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.anat-node[aria-expanded="true"] .anat-i{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.anat-node.lit .anat-i{border-color:var(--anat-acc);box-shadow:0 0 0 4px var(--go-soft);color:var(--anat-on)}
.anat-node.lit[aria-expanded="true"] .anat-i{background:var(--anat-acc);border-color:var(--anat-acc);color:#0B1A06}
.anat-node.dim{opacity:.45}

/* stage panels */
.anat-panels{display:grid;gap:12px;min-height:150px}
.anat-p{border:1px solid var(--line);border-radius:var(--r-s);background:var(--card,var(--paper));padding:18px 20px}
.anat-p.off{display:none}
.anat-pt{margin:0 0 12px;font-size:15px;font-weight:700}
.anat-pt span{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:4px}
.anat-p dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 22px;margin:0}
.anat-p dt{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-bottom:4px}
.anat-p dd{margin:0;font-size:15px;line-height:1.45;color:var(--ink-2)}
.anat-go{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line);font-size:14px}
.anat-go>span{color:var(--muted);margin-right:auto}
.anat-go a,.anat-more{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:600;color:var(--teal);text-decoration:none}
.anat-go a:hover,.anat-more:hover{text-decoration:underline;text-underline-offset:3px}
.anat-go .arr,.anat-more .arr{transition:transform .2s var(--e-std)}
.anat[data-mode="all"] .anat-panels{grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))}
.anat[data-mode="all"] .anat-p.off{display:block}
.anat[data-mode="all"] .anat-p dl{grid-template-columns:1fr}

/* zones -> categories -> one enquiry */
.anat-map{display:grid;gap:12px}
.anat-zones{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.anat-z{border:1px solid var(--line);border-radius:var(--r-s);padding:14px 14px 8px;min-width:0}
.anat-zn{margin:0 0 6px;display:grid;gap:2px}
.anat-zn b{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.anat-zn small{font-size:12.5px;color:var(--muted)}
.anat-z ul{list-style:none;margin:0;padding:0}
.anat-c{display:flex;align-items:center;gap:4px;border-top:1px solid var(--line)}
.anat-c a{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;font-size:14.5px;font-weight:600;color:var(--ink);text-decoration:none}
.anat-c a:hover{color:var(--teal)}
.anat-c small{font-size:12.5px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.anat-hl{all:unset;box-sizing:border-box;display:grid;place-items:center;width:44px;height:44px;flex:none;border-radius:50%;cursor:pointer;color:var(--muted)}
.anat-hl svg{display:block;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.anat-hl:hover{color:var(--teal)}
.anat-hl:focus-visible,.anat-c a:focus-visible,.anat-go a:focus-visible,.anat-see a:focus-visible,.anat-path a:focus-visible,.anat-all:focus-visible,.anat-more:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:8px}
.anat-hl[aria-pressed="true"]{background:var(--go-soft);color:var(--anat-on)}
.anat-c.on a{color:var(--anat-on)}
.anat-cap{margin:0;font-size:14px;color:var(--muted);min-height:1.45em}
.anat-cap a{color:var(--teal);font-weight:600}
.anat-path{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 0;font-size:14px;color:var(--muted)}
.anat-path li{display:flex;align-items:center}
.anat-path li+li::before{content:"";width:22px;height:1px;background:var(--line);margin:0 10px}
.anat-path b{color:var(--ink);font-weight:700;margin-right:4px;font-variant-numeric:tabular-nums}
.anat-path a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}
.anat-path a:hover,.anat-path a:hover b{color:var(--teal)}
.anat-path li:last-child a{color:var(--anat-on);font-weight:600}

/* four layers */
.anat-layers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;border-top:1px solid var(--line)}
.anat-layers>div{padding:14px 16px 0 0}
.anat-layers>div+div{padding-left:16px;border-left:1px solid var(--line)}
.anat-layers dt{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink)}
.anat-layers dd{margin:4px 0 0;font-size:14px;line-height:1.45;color:var(--muted)}

/* see it working + main action */
.anat-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.anat-see{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.anat-see a{display:grid;gap:1px;min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink)}
.anat-see a:hover{border-color:var(--teal)}
.anat-see b{font-size:14px;font-weight:700}
.anat-see small{font-size:12px;color:var(--muted)}

/* compact strip on category pages */
.anat-mini{margin-top:clamp(28px,4vw,44px);padding-top:18px;border-top:1px solid var(--line);display:grid;gap:10px;max-width:100%;min-width:0}
.anat-steps{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.anat-steps li{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border-radius:99px;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted)}
.anat-steps li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--line)}
.anat-steps li.on{border-color:var(--go);color:var(--ink);background:var(--go-soft)}
.anat-steps li.on::before{background:var(--go)}
.anat-steps li.sys{border-style:dashed}
.anat-uses{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:14px;color:var(--ink-2)}
.anat-uses>span:not(.anat-k){white-space:nowrap}
.anat-uses small{color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}
.anat-more{justify-self:start;font-size:14px}

@media(max-width:1100px){
  .anat-zones{grid-template-columns:repeat(2,minmax(0,1fr))}
  .anat-p dl{grid-template-columns:1fr 1fr}
  .anat-p dl>div:last-child{grid-column:1/-1}
}
@media(max-width:899px){
  /* rail becomes a horizontal step list: tap a step, the panel sits right below */
  .anat-rail{display:flex;gap:4px;overflow-x:auto;scroll-snap-type:x proximity;padding:0 0 4px;scrollbar-width:none}
  .anat-rail::-webkit-scrollbar{display:none}
  .anat-rail li{flex:0 0 108px;scroll-snap-align:start}
  .anat-wire{display:none}
  .anat-rail li{position:relative}
  .anat-rail li:not(:last-child)::after{content:"";position:absolute;top:22px;left:calc(50% + 22px);right:-4px;height:1px;background:var(--line)}
  .anat-rail li:not(:first-child)::before{content:"";position:absolute;top:22px;left:0;right:calc(50% + 22px);height:1px;background:var(--line)}
  .anat-layers{grid-template-columns:1fr 1fr}
  .anat-layers>div:nth-child(3){padding-left:0;border-left:0}
  .anat-layers>div:nth-child(n+3){padding-top:14px}
}
@media(max-width:600px){
  .anat-zones,.anat-p dl,.anat-layers{grid-template-columns:1fr}
  .anat-layers>div,.anat-layers>div+div{padding:12px 0 0;border-left:0}
  .anat-foot{flex-direction:column;align-items:stretch}
  .anat-foot .btn{width:100%}
  .anat-see{display:grid;grid-template-columns:1fr 1fr}
  .anat-path{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
  .anat-path li+li::before{display:none}
  .anat-uses{gap:4px 12px}
}
@media (prefers-reduced-motion:reduce){
  .anat *,.anat-mini *{transition:none!important;scroll-behavior:auto!important}
}