/* ag-route · the lifecycle index (S1) and the in-page rail it docks into.
   Ink on white: type and hairlines only. No fills, no boxes, no colour beyond ink.
   Desktop plan (1232 wide): phase labels y=0, brackets y=28, seven 176px stage columns y=48-100, gaps from y=148, ticks y=108-144.
   Scoped under .aa-route (the index) and .aa-route-rail (the rail, which asset.js inserts after the site nav). */
.aa-route{
  --aa-t1:var(--t1,120ms);--aa-t2:var(--t2,200ms);--aa-t3:var(--t3,320ms);--aa-t5:var(--t5,900ms);
  --aa-draw:var(--ease-draw,cubic-bezier(.45,.05,.25,1));--aa-ease:var(--ease,cubic-bezier(.25,1,.5,1));
  position:relative;color:var(--ink);
}
.aa-route .aa-rt-list{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.aa-route .aa-rt-phase{position:relative;grid-column:span var(--n);min-width:0;padding-top:48px}
.aa-route .aa-rt-plabel{position:absolute;left:12px;top:0;font:400 11px/16px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-40);white-space:nowrap}
.aa-route .aa-rt-brk{position:absolute;left:12px;right:12px;top:28px;width:calc(100% - 24px);height:7px;overflow:visible}
.aa-route .aa-rt-brk path{fill:none;stroke:var(--ink-15);stroke-width:1;vector-effect:non-scaling-stroke}
.aa-route .aa-rt-stages{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr))}
.aa-route .aa-rt-stage{position:relative;min-width:0;padding-right:12px}
.aa-route .aa-rt-stage>a{display:block;height:52px;width:max-content;max-width:100%}
.aa-route .aa-rt-i{display:block;font:400 11px/16px var(--mono);color:var(--ink-40)}
.aa-route .aa-rt-n{display:block;margin-top:4px;font-size:22px;line-height:28px;font-weight:500;letter-spacing:-.012em;color:var(--ink);text-decoration:underline;text-decoration-color:transparent;text-decoration-thickness:1px;text-underline-offset:5px;transition:text-decoration-color var(--aa-t2) var(--aa-ease)}
.aa-route .aa-rt-stage>a:hover .aa-rt-n{text-decoration-color:var(--ink-40)}
.aa-route .aa-rt-stage>a:focus-visible{outline-offset:4px;border-radius:4px}

/* a gap: the problem (two lines), then the stage that closes it; the tick lands it on the stage above */
.aa-route .aa-rt-gap{position:relative;width:100%;max-width:164px;margin-top:48px}
.aa-route .aa-rt-prob{font-size:17px;line-height:24px;font-weight:500;letter-spacing:-.006em;color:var(--ink)}
.aa-route .aa-rt-prob span{display:block}
.aa-route .aa-rt-fix{margin-top:6px;font-size:14px;line-height:21px;color:var(--ink-60)}
.aa-route .aa-rt-fix b{font-weight:500;color:var(--ink)}
.aa-route .aa-rt-tick{position:absolute;left:0;bottom:calc(100% + 4px);width:1px;height:36px;background:var(--ink);transform-origin:50% 100%}
.aa-route .aa-rt-tick::before{content:"";position:absolute;left:-1px;top:-1.5px;width:3px;height:3px;border-radius:50%;background:var(--ink)}

/* ---- live: rewind, then play (asset.js toggles .is-on on each part) ---- */
.aa-route.is-live .aa-rt-brk path{stroke-dasharray:1 1;stroke-dashoffset:1}
.aa-route.is-live .aa-rt-brk.is-on path{stroke-dashoffset:0;transition:stroke-dashoffset var(--aa-t5) var(--aa-draw)}
.aa-route.is-live .aa-rt-plabel{opacity:0}
.aa-route.is-live .aa-rt-plabel.is-on{opacity:1;transition:opacity var(--aa-t3) linear}
.aa-route.is-live .aa-rt-stage>a{opacity:0;transform:translateY(6px)}
.aa-route.is-live .aa-rt-stage>a.is-on{opacity:1;transform:none;transition:opacity var(--aa-t3) var(--aa-ease),transform var(--aa-t3) var(--aa-ease)}
.aa-route.is-live .aa-rt-prob,.aa-route.is-live .aa-rt-fix{opacity:0;transform:translateY(8px)}
.aa-route.is-live .aa-rt-gap.is-on .aa-rt-prob,.aa-route.is-live .aa-rt-gap.is-on .aa-rt-fix{opacity:1;transform:none;transition:opacity var(--aa-t3) var(--aa-ease),transform var(--aa-t3) var(--aa-ease)}
.aa-route.is-live .aa-rt-gap.is-on .aa-rt-fix{transition-delay:60ms}
.aa-route.is-live .aa-rt-tick{transform:scaleY(0)}
.aa-route.is-live .aa-rt-tick.is-on{transform:none;transition:transform var(--aa-t3) var(--aa-draw)}
.aa-route.is-live .aa-rt-tick::before{transform:scale(0)}
.aa-route.is-live .aa-rt-tick.is-dot::before{transform:none;transition:transform var(--aa-t1) var(--aa-ease)}
.aa-route.is-sim,.aa-route.is-sim *,.aa-route.is-sim *::before{transition:none!important}

/* ---- tablet: narrower columns, the gap keeps clear of the next column ---- */
@media (max-width:1100px){
  .aa-route .aa-rt-n{font-size:20px;line-height:26px}
  .aa-route .aa-rt-stage>a{height:50px}
  .aa-route .aa-rt-gap{width:calc(100% - 4px)}
  .aa-route .aa-rt-plabel{letter-spacing:.06em}
}

/* ---- narrow: a vertical list; each phase label sits on a rule, the gap note hangs under its stage behind a 1px rule ---- */
@media (max-width:900px){
  .aa-route .aa-rt-list{display:block}
  .aa-route .aa-rt-phase{padding-top:0}
  .aa-route .aa-rt-phase+.aa-rt-phase{margin-top:28px}
  .aa-route .aa-rt-plabel{position:static;padding-bottom:9px;border-bottom:1px solid var(--ink-15)}
  .aa-route .aa-rt-brk{display:none}
  .aa-route .aa-rt-stages{display:block}
  .aa-route .aa-rt-stage{padding:0}
  .aa-route .aa-rt-stage>a{display:flex;align-items:center;height:44px;width:auto}
  .aa-route .aa-rt-i{flex:none;width:28px;line-height:16px}
  .aa-route .aa-rt-n{margin:0;font-size:18px;line-height:24px}
  .aa-route .aa-rt-gap{width:auto;max-width:420px;margin:0 0 12px 28px;padding:2px 0 2px 14px}
  .aa-route .aa-rt-prob{font-size:15px;line-height:22px}
  .aa-route .aa-rt-prob span{display:inline}
  .aa-route .aa-rt-fix{margin-top:2px}
  .aa-route .aa-rt-tick{left:0;top:0;bottom:0;height:auto;transform-origin:50% 0}
  .aa-route .aa-rt-tick::before{display:none}
}

@media (prefers-reduced-motion:reduce){
  .aa-route *,.aa-route *::before{transition:none!important}
}
@media (forced-colors:active){
  .aa-route .aa-rt-brk path{stroke:GrayText}
  .aa-route .aa-rt-tick,.aa-route .aa-rt-tick::before{forced-color-adjust:none;background:CanvasText}
}
@media print{
  .aa-route .aa-rt-brk path{stroke-dashoffset:0!important}
  .aa-route .aa-rt-plabel,.aa-route .aa-rt-stage>a,.aa-route .aa-rt-prob,.aa-route .aa-rt-fix{opacity:1!important;transform:none!important}
  .aa-route .aa-rt-tick,.aa-route .aa-rt-tick::before{transform:none!important}
  .aa-route-rail{display:none!important}
}

/* ---- the in-page rail: the same list, docked under the 64px nav ---- */
.aa-route-rail{
  --aa-t1:var(--t1,120ms);--aa-t2:var(--t2,200ms);--aa-t3:var(--t3,320ms);--aa-ease:var(--ease,cubic-bezier(.25,1,.5,1));
  position:fixed;left:0;right:0;top:var(--aa-navh,64px);z-index:54;height:48px;
  background:rgba(28,28,28,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 -1px 0 var(--dk-line,rgba(255,255,255,.08));
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform var(--aa-t2) var(--aa-ease),opacity var(--aa-t2) var(--aa-ease),visibility 0s linear var(--aa-t2);
}
.aa-route-rail.is-shown{transform:none;opacity:1;visibility:visible;transition:transform var(--aa-t2) var(--aa-ease),opacity var(--aa-t2) var(--aa-ease),visibility 0s}
.aa-route-rail .aa-rr-in{max-width:1280px;height:100%;margin:0 auto;padding:0 24px}
.aa-route-rail .aa-rr-list{position:relative;height:100%;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;overscroll-behavior-x:contain}
.aa-route-rail .aa-rr-list::-webkit-scrollbar{display:none}
.aa-route-rail ol{display:flex;align-items:center;width:max-content;height:100%;margin:0 auto}
.aa-route-rail li{flex:none;scroll-snap-align:center}
.aa-route-rail li,.aa-route-rail ol{height:100%}
.aa-route-rail a{display:flex;align-items:center;gap:8px;height:100%;padding:0 14px;font:450 14px/20px var(--sans);letter-spacing:-.005em;color:var(--w-45,rgba(255,255,255,.5));white-space:nowrap;transition:color var(--aa-t2) var(--aa-ease)}
.aa-route-rail .aa-rr-ic{flex:none;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.aa-route-rail a:hover{color:rgba(255,255,255,.8)}
.aa-route-rail a[aria-current]{color:#fff}
.aa-route-rail a:focus-visible{outline-offset:-2px;border-radius:4px}
.aa-route-rail .aa-rr-u{position:absolute;left:0;bottom:0;width:1px;height:1px;background:#fff;opacity:0;transform-origin:0 0;pointer-events:none;
  transition:transform var(--aa-t3) var(--aa-ease),opacity var(--aa-t2) linear}
.aa-route-rail .aa-rr-u.is-on{opacity:1}
.aa-route-rail .aa-rr-u.is-jump{transition:opacity var(--aa-t2) linear}
@media (max-width:760px){
  .aa-route-rail .aa-rr-in{padding:0}
  .aa-route-rail ol{padding:0 6px}
  .aa-route-rail a{padding:0 10px}
}
@media (prefers-reduced-motion:reduce){
  .aa-route-rail,.aa-route-rail.is-shown{transform:none;transition:opacity var(--aa-t1) linear,visibility 0s linear var(--aa-t1)}
  .aa-route-rail.is-shown{transition:opacity var(--aa-t1) linear,visibility 0s}
  .aa-route-rail .aa-rr-u,.aa-route-rail a{transition:none}
}
@media (forced-colors:active){
  .aa-route-rail{background:Canvas;border-bottom:1px solid CanvasText}
  .aa-route-rail .aa-rr-u{forced-color-adjust:none;background:Highlight}
}