/* Home page only. Ported from mockups/home-a4.html; tokens live on body.home so the shared header and footer keep theirs. */
/* ---------- Tokens: blue and white, one hue from night navy to paper ---------- */
body.home{
  --ink:#141a24; --ink-2:#3a4250; --muted:#5d6572;
  --ground:#fff; --tone:#f3f6fa; --line:#e1e8f0; --wash:#eef4fb;
  --core:#13294a; --core-deep:#0c1c33; --haccent:#6aaee8;
  --check:#8ec1ee; --m1:#6aaee8; --m2:#3b82d0; --m3:#2557a5; --res:#1f8a9e; --lead:#5d55b4;
  --wip:#b7bec8; --wip-deep:#5f6b7a;
  --star:205,225,248; --g1:#9cc8f2; --g2:#4b7fc4; --mh:var(--core);
  --sans:'IBM Plex Sans','Plex Fallback',system-ui,sans-serif; --serif:'IBM Plex Serif',Georgia,serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-io:cubic-bezier(.77,0,.175,1);
  --gut:clamp(1rem,4vw,2.5rem); --hmax:76rem; --wide:84rem;
  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .16 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --route:linear-gradient(90deg,var(--check),var(--m1) 22%,var(--m2) 48%,var(--m3) 74%,var(--core));
  --route-v:linear-gradient(180deg,var(--check),var(--m1) 18%,var(--m2) 45%,var(--m3) 72%,var(--core));
  --hero:linear-gradient(180deg,#0c1d2f 0%,#173457 26%,#2f5a8a 42%,#6f97c2 56%,#b8d0e9 69%,#e3edf8 81%,#f7fafd 92%,var(--ground) 100%);
}
.hshell{max-width:var(--hmax);margin:0 auto;padding:0 var(--gut);position:relative;z-index:1}
.hshell.wide{max-width:var(--wide)}
.tx{color:color-mix(in srgb,var(--mc) 74%,#000)}
svg .tx{fill:color-mix(in srgb,var(--mc) 74%,#000)}
.arrow{display:inline-block;transition:transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){a:hover>.arrow,button:hover>.arrow{transform:translateX(3px)}}
.lnk{display:inline-flex;gap:0.5rem;font-weight:600;color:var(--core);text-decoration:none;font-size:.97rem}
.lnk.on-dark{color:#fff}



/* Base for the home page only (site.css sets the header, footer and body) */
body.home{font-family:var(--sans);color:var(--ink);background:var(--ground);font-size:1.0625rem;line-height:1.55;overflow-x:clip}
body.home main img,body.home main svg{display:block;max-width:100%}
body.home main h1,body.home main h2,body.home main h3{margin:0;line-height:1.1;letter-spacing:-.02em;text-wrap:balance}
body.home main p{margin:0;text-wrap:pretty}
body.home main :focus-visible{outline:2px solid var(--haccent);outline-offset:0.1875rem;border-radius:0.25rem}
body.home .hero{border-bottom:0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;min-height:60vh;display:flex;align-items:center;padding:6rem var(--gut) 19rem;color:#fff;background:var(--hero)}
.hero::after{content:"";position:absolute;inset:0;background-image:var(--noise);opacity:.6;pointer-events:none;
  -webkit-mask-image:linear-gradient(#000 55%,transparent 92%);mask-image:linear-gradient(#000 55%,transparent 92%)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%}
.hero .deco{-webkit-mask-image:linear-gradient(#000 45%,transparent 88%);mask-image:linear-gradient(#000 45%,transparent 88%)}
.hero-inner{position:relative;z-index:1;width:min(100%,70rem);margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-brand{margin:0 0 1.375rem;line-height:0}
.hero-logo{width:45rem;max-width:86vw;height:auto}
.hero-logo .two{fill:var(--haccent)} .hero-logo .two-stroke{stroke:var(--haccent)}
.hero-desc{font-size:1.2rem;color:rgba(255,255,255,.92);max-width:34em}
.hero-scroll{display:inline-block;margin-top:1.625rem;color:#fff;text-decoration:none;font-weight:600;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}
.hbtn{display:inline-flex;align-items:center;gap:0.5rem;font:600 1rem/1 var(--sans);text-decoration:none;padding:0.9375rem 1.375rem;border-radius:62.4375rem;border:0;cursor:pointer;transition:transform .16s var(--ease-out),background-color .2s ease,color .2s ease}
.hbtn:active{transform:scale(.97)}
.hbtn-core{background:var(--core);color:#fff}
.hbtn-light{background:#fff;color:var(--core)}
@media (hover:hover) and (pointer:fine){.hbtn-core:hover{background:var(--core-deep)}}

/* ---------- Grain: soft glows placed on purpose ---------- */
.deco{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.blob{display:none;position:absolute;width:var(--s,26.25rem);aspect-ratio:1;border-radius:50%;background:var(--noise),var(--c);opacity:var(--o,.32);
  -webkit-mask-image:radial-gradient(closest-side,#000 18%,rgba(0,0,0,.5) 52%,transparent 100%);mask-image:radial-gradient(closest-side,#000 18%,rgba(0,0,0,.5) 52%,transparent 100%);
  animation:drift var(--t,24s) ease-in-out infinite alternate;will-change:transform}
@keyframes drift{to{transform:translate(var(--dx,1.5rem),var(--dy,-1rem)) scale(1.05)}}
html[data-grain="horizon"] .g-h,html[data-grain="corners"] .g-c{display:block}
html[data-grain="off"]{--noise:none}

/* ---------- Map ---------- */
.mapsec{position:relative;z-index:2;margin-top:-15rem}

.map-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin:0 0.25rem 1.25rem;color:var(--mh)}
.map-head h2{font-family:var(--serif);font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:600;letter-spacing:-.015em}
.map-head span{font-size:.95rem;color:var(--ink-2)}
.mapcard{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 20rem;min-height:30rem;background:#fff;border-radius:1.25rem;overflow:hidden;
  box-shadow:0 1px 2px color-mix(in srgb,var(--core) 12%,transparent),0 1.5rem 3.75rem -1.5rem color-mix(in srgb,var(--core) 38%,transparent)}
.stage{display:flex;flex-direction:column;padding:2.5rem 2.5rem 1.5rem;background:linear-gradient(180deg,#fff,var(--wash))}
.stage svg{width:100%;height:auto;overflow:visible;margin-block:auto}
.route{fill:none}
.route-core{stroke:url(#coreGrad);stroke-width:16;stroke-linecap:round}
.route-check{stroke:var(--check);stroke-width:6;stroke-dasharray:10 7}
.route-res,.route-lead{stroke-width:12;stroke-dasharray:25 5;animation:flow 2.4s linear infinite}
.route-res{stroke:var(--res)} .route-lead{stroke:var(--lead)}
@keyframes flow{to{stroke-dashoffset:-60}}
.stop{cursor:pointer;outline:none}
.stop .hit{fill:transparent}
.stop .ring{fill:#fff;stroke:var(--mc);stroke-width:5;transition:transform .22s var(--ease-out),fill .2s ease;transform-box:fill-box;transform-origin:center}
.stop .halo{fill:var(--mc);opacity:0;transform:scale(.7);transition:opacity .2s ease,transform .26s var(--ease-out);transform-box:fill-box;transform-origin:center}
.stage svg text{font-family:var(--serif)}
.k{font:600 15px var(--mono);letter-spacing:.06em;text-transform:uppercase}
.stage svg .k{font-family:var(--mono)}
.lbl{font-size:21px;font-weight:600;fill:var(--ink)}
.sub{font-size:17px;fill:var(--muted)}
.sub.q{font-size:17.5px;font-style:italic;fill:var(--ink-2)}
.mini{font-size:18px;fill:var(--ink-2)}
.stop:hover .ring,.stop:focus-visible .ring,.stop[aria-pressed="true"] .ring{transform:scale(1.16)}
.stop[aria-pressed="true"] .halo{opacity:.16;transform:scale(1)}
.stop[aria-pressed="true"] .ring.big{fill:var(--mc)}
.stop:focus-visible .lbl{text-decoration:underline}
.stop .dot{fill:#fff;stroke:var(--mc);stroke-width:4;transition:transform .22s var(--ease-out),fill .2s ease;transform-box:fill-box;transform-origin:center}
.stop[aria-pressed="true"] .dot{fill:var(--mc)}
@media (hover:hover) and (pointer:fine){.stop:hover .dot{transform:scale(1.2)}}
.beacon{fill:none;stroke:var(--check);stroke-width:3;transform-box:fill-box;transform-origin:center;animation:beacon 2.2s var(--ease-out) infinite}
@keyframes beacon{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.3);opacity:0}}
/* The legend sits at the foot of the map; each key is drawn like the line it stands for */
.hlegend{display:flex;flex-wrap:wrap;justify-content:center;gap:0.5rem 1.75rem;font-size:.84rem;color:var(--muted);margin:3rem 2px 0}
.hlegend span{display:inline-flex;align-items:center;gap:0.5625rem}
.hlegend svg{width:2.875rem;height:0.875rem;flex:none;overflow:visible}

/* The side panel. Its content is laid over a fixed box, so the map never shifts when it changes */
.panel{--pc:var(--m1);position:relative;overflow:hidden;color:#fff;background:color-mix(in oklab,var(--pc) 64%,var(--core-deep));transition:background-color .4s ease}
.panel::after{content:"";position:absolute;right:0;bottom:0;width:7.5rem;height:7.5rem;pointer-events:none;
  clip-path:polygon(100% 0,100% 100%,0 100%);background:repeating-linear-gradient(-45deg,rgba(255,255,255,.12) 0 2px,transparent 2px 0.625rem)}
.panel-body{position:absolute;inset:1.75rem 1.5rem 1.5rem;display:flex;flex-direction:column;transition:opacity .16s ease,transform .22s var(--ease-out)}
.panel-body.swap{opacity:0;transform:translateY(0.375rem)}
.panel-kicker{font-size:.86rem;font-weight:500;color:rgba(255,255,255,.8)}
.panel h3{font-family:var(--serif);font-size:1.5rem;font-weight:600;margin-top:0.25rem;letter-spacing:-.01em}
.panel .more{margin-top:auto;padding-top:0.875rem;color:#fff;font-weight:600;font-size:.95rem;text-decoration:none;display:inline-flex;gap:0.5rem;position:relative;z-index:1}
/* Panel 1, outcome: what you can do afterwards, and a figure */
.p-out{font-size:.97rem;color:rgba(255,255,255,.92);margin-top:0.625rem}
.p-out b{display:block;font-weight:500;font-size:.84rem;color:rgba(255,255,255,.7);margin-bottom:2px}
.pfig{flex:1;min-height:0;display:grid;place-items:center;padding:0.625rem 0.375rem 0}
.pfig .iso{width:auto;max-width:100%;max-height:11.5rem}
/* 3D figures (assets/js/figures3d.js): the SVG stays as the fallback until the canvas mounts */
.pfig,.trow-fig{position:relative}
.is-3d > canvas{position:absolute;inset:0;width:100%;height:100%}
.is-3d .iso{visibility:hidden}
.pfig.is-3d{margin:0 -0.5rem}

/* ---------- Lower half ---------- */
section.blk{position:relative;padding:7rem 0 0}
.h2{font-family:var(--serif);font-size:clamp(1.9rem,3.2vw,2.7rem);font-weight:600;color:var(--core);letter-spacing:-.015em}
.head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:3rem;align-items:end;margin-bottom:2.125rem}
.head p{color:var(--ink-2);max-width:50ch}
.head .lnk{margin-top:0.625rem}

.ribbon{position:relative;display:grid;grid-template-columns:auto 5fr 4fr 5fr auto;gap:0 0.625rem;padding:1.875rem 1.875rem 1.625rem;border-radius:1.25rem;background:var(--noise),var(--wash)}
/* Centred on the dots: padding 1.875 + heading 3.5 + half a dot 0.9375 - half the line 0.4375 */
.ribbon::before{content:"";position:absolute;left:1.875rem;right:1.875rem;top:5.875rem;height:0.875rem;border-radius:0.4375rem;background:var(--route)}
.rg{position:relative;display:flex;flex-direction:column;min-width:0}
.rg-h{height:3.5rem;display:flex;flex-direction:column;justify-content:flex-end;padding:0 0.25rem 0.75rem}
.rg-h small{font-weight:600;font-size:.84rem}
.rg-h strong{font-family:var(--serif);font-size:1.08rem;font-weight:600;line-height:1.2}
.rg-dots{display:flex;justify-content:space-around;align-items:center;height:1.875rem}
.rd{position:relative;display:grid;place-items:center;width:1.875rem;height:1.875rem;border-radius:50%;background:#fff;border:0.25rem solid var(--mc);font:700 .62rem var(--mono);color:var(--ink);text-decoration:none;transition:transform .2s var(--ease-out),background-color .2s ease,color .2s ease}
.rd:active{transform:scale(.94)}
.rd .tip{position:absolute;bottom:calc(100% + 0.625rem);left:50%;width:max-content;max-width:13.75rem;padding:0.4375rem 0.6875rem;border-radius:0.5rem;background:var(--core-deep);color:#fff;font:500 .84rem/1.3 var(--sans);text-align:center;opacity:0;transform:translate(-50%,0.25rem) scale(.97);transform-origin:bottom center;pointer-events:none;transition:opacity .14s ease,transform .16s var(--ease-out)}
.rd:hover .tip,.rd:focus-visible .tip{opacity:1;transform:translate(-50%,0)}
@media (hover:hover) and (pointer:fine){.rd:hover{transform:scale(1.15);background:var(--mc);color:#fff}}
.rg-list{list-style:none;margin:0.875rem 0 0;padding:0 0.25rem;font-size:.9rem;color:var(--ink-2);display:grid;gap:0.1875rem}
.rg-list li{display:grid;grid-template-columns:1.875rem 1fr;gap:0.25rem}
.rg-list b{font-weight:600;font-size:.82rem;padding-top:1px}
.rg.cap .rg-dots{justify-content:center}
.rg.cap .rd{width:2.5rem;height:2.5rem;font-size:.6rem}
.rg.cap .rg-h{align-items:center;text-align:center}
.rg.cap p{font-size:.84rem;color:var(--muted);text-align:center;margin-top:0.875rem;max-width:11ch;margin-inline:auto}

/* ---------- Isometric figures, drawn by fig() in the script ---------- */
.iso{--fa:var(--fig,var(--m2));--fb:color-mix(in oklab,var(--fa),#fff 52%);--fw:#fff;--fp:color-mix(in oklab,var(--fa),#fff 84%);--fd:var(--core-deep);
  --edge:color-mix(in oklab,var(--fa),var(--core-deep) 62%);display:block;width:100%;height:auto;overflow:visible}
.iso polygon{stroke:var(--edge);stroke-width:.8;stroke-linejoin:round}
.iso .tp{fill:color-mix(in oklab,var(--c),#fff 22%)}
.iso .fr{fill:color-mix(in oklab,var(--c),var(--core-deep) 7%)}
.iso .sd{fill:color-mix(in oklab,var(--c),var(--core-deep) 24%)}
.iso polyline{fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.6}
.iso .dl{stroke:var(--fa)}
.iso .dk{stroke:#fff;stroke-width:2.4}
.iso .dln{stroke:color-mix(in oklab,var(--fa),#fff 45%);stroke-width:2.2}
.iso .dln2{stroke:var(--fb);stroke-width:2.2}
.iso .dc{stroke:color-mix(in oklab,var(--res),#fff 35%);stroke-width:2.2}
.iso polygon.dw{fill:color-mix(in oklab,var(--fa),#fff 72%);stroke:none}
.iso polygon.dd{fill:color-mix(in oklab,var(--fa),var(--core-deep) 40%);stroke:none}
.iso polygon.da{fill:var(--fa);stroke:none}
.iso .fl{animation:isofl 3.4s var(--ease-io) infinite alternate}
@keyframes isofl{to{transform:translateY(-0.4375rem)}}

/* ---------- Tracks: rows, four treatments ---------- */
.trk{display:grid}
.trow{--tc:var(--res);position:relative;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,5fr) 17.5rem;gap:2.5rem;align-items:center;padding:2.125rem 0 2.5rem;border-top:0.25rem solid var(--tc)}
.trow+.trow{margin-top:0.5rem}
.trow h3{font-family:var(--serif);font-size:clamp(2.4rem,3.6vw,3.25rem);font-weight:600;line-height:1;color:color-mix(in srgb,var(--tc) 80%,#000)}
.trow h3 small{display:block;font-family:var(--sans);font-size:.95rem;font-weight:500;color:var(--muted);letter-spacing:0;margin-top:0.75rem;line-height:1.4}
.trow p{color:var(--ink-2)}
.seq{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:0.375rem 0;font-weight:500;color:var(--ink)}
.seq li+li::before{content:"\2192";color:var(--tc);margin:0 0.625rem;font-weight:600}
.trow .links{display:flex;flex-wrap:wrap;gap:0.5rem 1.5rem;margin-top:1.125rem}
.trow-fig{--fig:var(--tc);margin:0;align-self:stretch;display:grid;place-items:center;min-height:12.5rem;padding:1.125rem 1.375rem;border-radius:1rem;background:var(--noise),color-mix(in oklab,var(--tc),#fff 88%)}
.trow-fig .iso{width:auto;max-width:100%;max-height:11.25rem;transition:transform .5s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.trow:hover .trow-fig .iso{transform:translateY(-4px)}}

/* Boxed: both rows inside one white card, the colour as a bar on the left */
.trk{background:#fff;border:1px solid var(--line);border-radius:1.5rem;padding:0.375rem 2.25rem;
  box-shadow:0 1px 2px color-mix(in srgb,var(--core) 8%,transparent),0 1.875rem 3.75rem -2.25rem color-mix(in srgb,var(--core) 40%,transparent)}
.trow{border-top:0;margin:0;padding:2rem 0 2rem 1.875rem}
.trow+.trow{border-top:1px solid var(--line)}
.trow::before{content:"";position:absolute;left:0;top:2.125rem;bottom:2.125rem;width:0.375rem;border-radius:0.1875rem;background:var(--tc)}


/* ---------- Educators: a rotation plan on paper ---------- */
.edu{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:4rem;align-items:center}
body.home .edu>div>p{color:var(--ink-2);margin-top:1.125rem;max-width:46ch}
.edu .hbtn{margin-top:1.625rem}
.cxr{display:grid;grid-template-columns:1fr 1fr;gap:0.1875rem;margin:2.125rem 0 0;max-width:22.5rem}
.cxr img{width:100%;height:10.625rem;object-fit:cover;object-position:50% 25%;background:#000}
.cxr img:first-child{border-radius:0.625rem 0 0 0.625rem} .cxr img:nth-child(2){border-radius:0 0.625rem 0.625rem 0}
.cxr figcaption{grid-column:1/-1;font-size:.88rem;color:var(--muted);padding-top:0.5rem}
.cxr .credit{display:block;margin-top:0.125rem;font-size:.78rem}
.sheet{position:relative;background:#fff;border-radius:0.375rem;padding:1.875rem 2rem 1.625rem;box-shadow:0 1px 2px rgba(20,26,36,.08),0 1.875rem 3.75rem -1.875rem color-mix(in srgb,var(--core) 45%,transparent)}
.sheet-head{display:flex;justify-content:space-between;align-items:baseline;gap:0.75rem;padding-bottom:1rem;border-bottom:2px solid var(--core)}
.sheet-head strong{font-family:var(--serif);font-size:1.35rem;font-weight:600;color:var(--core)}
.sheet-head span{font-size:.86rem;color:var(--muted)}
.wk{display:grid;grid-template-columns:5.375rem 1fr;gap:1rem;padding:0.875rem 0;border-bottom:1px solid var(--line)}
.wk>b{font-family:var(--serif);font-weight:600;font-size:1rem;color:var(--muted);padding-top:2px}
.wk ul{list-style:none;margin:0;padding:0;display:grid;gap:0.5rem}
.wk li{display:grid;grid-template-columns:0.875rem 1fr auto;gap:0.75rem;align-items:center;font-size:.98rem}
.wk li i{width:0.75rem;height:0.75rem;border-radius:0.1875rem;background:var(--mc)}
.wk li small{font-size:.84rem;color:var(--muted)}
.sheet-foot{display:flex;justify-content:space-between;gap:0.75rem;flex-wrap:wrap;padding-top:1rem;font-size:.88rem;color:var(--muted)}
.sheet-foot code{font-family:var(--mono);font-size:.82rem;color:var(--ink-2)}

/* ---------- From the Brief ---------- */
.brief{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:3.5rem}
.brief .side p{color:var(--ink-2);margin-top:0.875rem;max-width:34ch}
.brief .side .lnk{margin-top:1.125rem}
.ups{list-style:none;margin:0;padding:0}
.ups li{display:grid;grid-template-columns:4.75rem 1fr;gap:1.375rem;align-items:start;padding:1.25rem 0;border-top:1px solid var(--line)}
.ups li:last-child{border-bottom:1px solid var(--line)}
.ups time{display:flex;flex-direction:column;line-height:1}
.ups time b{font-family:var(--serif);font-size:2.3rem;font-weight:600;color:var(--core);font-variant-numeric:tabular-nums}
.ups time span{font-size:.86rem;color:var(--muted);margin-top:0.375rem}
.ups strong{display:block;font-size:1.1rem;font-weight:600;line-height:1.35}
.ups em{display:block;font-style:normal;font-size:.9rem;font-weight:600;margin-top:0.25rem}

/* ---------- Discussion band ---------- */
.talk{margin-top:7rem;background:var(--noise),var(--wash);padding:4rem 0}
.talk .hshell{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem 3.5rem;align-items:center}
.talk h2{font-family:var(--serif);font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:600;color:var(--core)}
.talk p{color:var(--ink-2);margin-top:0.625rem;max-width:60ch}
.talk p span{white-space:nowrap}
.talk p span i{display:inline-block;width:0.5625rem;height:0.5625rem;border-radius:50%;background:var(--mc);margin:0 0.375rem 0 2px;vertical-align:1px}


/* ---------- Entrances ---------- */
.js .rv{opacity:0;transform:translateY(1.375rem);transition:opacity .6s var(--ease-out),transform .7s var(--ease-out);transition-delay:var(--d,0ms)}
.js .rv.in{opacity:1;transform:none}
.js .mapcard .route-core{stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset 1.3s var(--ease-io) .25s}
.js .mapcard.in .route-core{stroke-dashoffset:0}
.js .mapcard .route-res,.js .mapcard .route-lead,.js .mapcard .route-check{opacity:0;transition:opacity .6s ease 1.1s}
.js .mapcard.in .route-res,.js .mapcard.in .route-lead,.js .mapcard.in .route-check{opacity:1}
.js .mapcard .stop{opacity:0;transition:opacity .45s var(--ease-out);transition-delay:var(--d,0ms)}
.js .mapcard.in .stop{opacity:1}
.js .stagger>*{opacity:0;transform:translateY(1.25rem);transition:opacity .55s var(--ease-out),transform .65s var(--ease-out)}
.js .stagger.in>*{opacity:1;transform:none}
.js .stagger.in>*:nth-child(2){transition-delay:80ms}.js .stagger.in>*:nth-child(3){transition-delay:160ms}.js .stagger.in>*:nth-child(4){transition-delay:240ms}.js .stagger.in>*:nth-child(5){transition-delay:320ms}
.js .ribbon::before{transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease-io) .1s}
.js .ribbon.in::before{transform:none}
/* Coming back to Home in the same session: show everything at once instead of replaying the entrances */
.js.seen .rv,.js.seen .stagger>*,.js.seen .mapcard .stop,.js.seen .mapcard .route{opacity:1;transform:none;transition:none}
.js.seen .mapcard .route-core{stroke-dashoffset:0;transition:none}
.js.seen .ribbon::before{transform:none;transition:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv,.js .stagger>*{transform:none;transition:opacity .3s ease}
  .js .mapcard .route-core{stroke-dasharray:none;stroke-dashoffset:0;transition:none}
  .js .ribbon::before{transform:none;transition:none}
  .route-res,.route-lead,.beacon,.blob,.iso .fl{animation:none}
  .beacon{display:none}
  .panel-body.swap,.dd-menu,.qx{transform:none}
}

/* ---------- Tablet ---------- */
@media (max-width:1000px){
  .mapcard{grid-template-columns:1fr;min-height:0}
  .panel-body{position:static;padding:1.625rem 1.5rem 1.5rem;min-height:26.875rem}
  .head,.edu,.brief{grid-template-columns:1fr;gap:1.25rem}
  .edu{gap:2.5rem}
  .ribbon{grid-template-columns:5fr 4fr 5fr}
  .ribbon .rg.cap{display:none}
  .trow{grid-template-columns:minmax(0,1fr) 13.75rem;gap:1.25rem 2rem}
  .trow>div{grid-column:1}
  .trow-fig{grid-column:2;grid-row:1/3}
}
/* ---------- Phone ---------- */
@media (max-width:700px){
  body{font-size:1rem}
  .hero{min-height:0;padding:4rem var(--gut) 12rem}
  .hero-desc{font-size:1.05rem}
  .mapsec{margin-top:-7rem}
  .map-head span{display:none}
  body.home .stage svg,.hlegend{display:none}
  .stage{padding:1.25rem 1rem 0.5rem}
  .panel-body{min-height:0}
  .vstops{display:block;position:relative;padding-left:0.25rem}
  .vstops::before{content:"";position:absolute;left:0.9375rem;top:1.375rem;bottom:1.375rem;width:0.375rem;border-radius:0.1875rem;background:var(--route-v)}
  .vstops li{position:relative}
  .vstops button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:1.75rem 1fr;gap:0.875rem;align-items:center;width:100%;min-height:3.25rem;padding:0.375rem 0;cursor:pointer}
  .vstops button i{width:1.625rem;height:1.625rem;border-radius:50%;background:#fff;border:0.3125rem solid var(--mc);position:relative;z-index:1;transition:transform .2s var(--ease-out),background-color .2s ease}
  .vstops button[aria-pressed="true"] i{transform:scale(1.15);background:var(--mc)}
  .vstops strong{display:block;font-size:1rem;font-weight:600}
  .vstops small{display:block;font-size:.875rem;color:var(--muted)}
  .vstops li.branch button{padding-left:1.375rem}
  .vstops li.branch::before{content:"";position:absolute;left:1.125rem;top:50%;width:1.375rem;border-top:0.25rem dashed var(--mc)}
  section.blk{padding-top:5rem}
  .ribbon{grid-template-columns:1fr;padding:1.375rem 1.25rem 1.375rem 3.625rem}
  .ribbon::before{left:1.75rem;right:auto;top:1.875rem;bottom:1.875rem;width:0.625rem;height:auto;background:linear-gradient(var(--m1),var(--m2),var(--m3))}
  .rg{padding-bottom:1.125rem}
  .rg-h{height:auto;padding:0 0 0.375rem}
  .rg-dots{display:none}
  .rg-list{margin-top:0.25rem;padding:0}
  .rg::before{content:"";position:absolute;left:-2.375rem;top:0.25rem;width:1.125rem;height:1.125rem;border-radius:50%;background:#fff;border:0.25rem solid var(--mc)}
  .trow{grid-template-columns:1fr;gap:1rem}
  .trow-fig{grid-column:auto;grid-row:auto;min-height:10.625rem}
  .trow-fig .iso{max-height:9.375rem}
  .trk{padding:0.25rem 1.25rem}
  .trow{padding:1.625rem 0 1.625rem 1.25rem}
  .trow::before{top:1.75rem;bottom:1.75rem;width:0.3125rem}
  .sheet{padding:1.375rem 1.125rem}
  .wk{grid-template-columns:1fr;gap:0.5rem}
  .wk li{grid-template-columns:0.875rem 1fr}
  .wk li small{display:none}
  .cxr img{height:8.125rem}
  .ups li{grid-template-columns:3.625rem 1fr;gap:0.875rem}
  .ups time b{font-size:1.8rem}
  .talk{margin-top:5rem}
  .talk .hshell{grid-template-columns:1fr}
}


/* ---------- Start: under the map. Signed out, one card asks for sign-in; signed in, it starts the check; returning, a resume card joins it ---------- */
.start{margin:3.5rem 0 0;display:grid;gap:1.5rem;align-items:stretch}
html[data-learner="new"] .only-back,html[data-learner="back"] .only-new{display:none}
.start-main{display:flex;align-items:center;justify-content:space-between;gap:1.25rem 2.5rem;flex-wrap:wrap;padding:1.75rem 2rem;background:#fff;border:1px solid var(--line);border-radius:1.25rem;
  box-shadow:0 1px 2px color-mix(in srgb,var(--core) 8%,transparent),0 1.625rem 3.375rem -2.125rem color-mix(in srgb,var(--core) 42%,transparent)}
.start-intro{flex:1 1 18rem}
.start-intro h2{font-family:var(--serif);font-size:1.75rem;font-weight:600;color:var(--core);letter-spacing:-.015em;line-height:1.2}
.start-intro p{font-size:1.05rem;color:var(--ink-2);margin-top:0.375rem;max-width:44ch}
.start-acts{display:flex;align-items:center;gap:0.75rem 1.5rem;flex-wrap:wrap}
.cta{box-sizing:border-box;display:inline-flex;align-items:center;gap:1rem;min-height:3.5rem;padding:0 0.625rem 0 1.5rem;border-radius:999px;font-size:1.08rem;font-weight:600;text-decoration:none;cursor:pointer;border:0;font-family:inherit;
  transition:transform .16s var(--ease-out),background-color .2s ease,box-shadow .25s var(--ease-out),border-color .2s ease}
.cta:active{transform:scale(.97)}
.cta-go{display:grid;place-items:center;width:2.375rem;height:2.375rem;border-radius:50%;font-size:1.05rem;transition:transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.cta:hover .cta-go{transform:translateX(3px)}}
.cta-main{background:var(--core);color:#fff;box-shadow:0 1px 2px rgba(12,28,51,.2),0 0.875rem 1.875rem -0.875rem rgba(12,28,51,.7)}
.cta-main .cta-go{background:rgba(255,255,255,.14)}
@media (hover:hover) and (pointer:fine){.cta-main:hover{background:var(--core-deep)}}
/* Returning: the check steps back to an outline so Resume leads */
html[data-learner="back"] .start-acts .cta-main{background:#fff;color:var(--core);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--core) 22%,#fff)}
html[data-learner="back"] .start-acts .cta-main .cta-go{background:var(--wash)}
.start-link{font-weight:600;color:var(--core);text-decoration:none;white-space:nowrap}
.start-link .arrow{display:inline-block;transition:transform .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.start-link:hover{text-decoration:underline;text-underline-offset:.2em}.start-link:hover .arrow{transform:translateX(3px)}}
/* The resume card */
.resume{display:flex;flex-direction:column;gap:0.25rem;padding:1.5rem 1.625rem;border-radius:1.25rem;background:color-mix(in oklab,var(--m1),#fff 87%);border:2px solid color-mix(in oklab,var(--m1),#fff 40%)}
.rs-label{font-size:.9rem;font-weight:600;color:var(--core)}
.resume strong{font-family:var(--serif);font-size:1.35rem;font-weight:600;line-height:1.2;color:var(--ink)}
.resume small{font-size:.92rem;color:var(--ink-2)}
.bar{position:relative;height:0.5rem;border-radius:0.25rem;background:rgba(255,255,255,.8);margin:0.875rem 0 1rem;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;width:21%;border-radius:0.25rem;background:linear-gradient(90deg,var(--m1),var(--m2))}
.resume .cta{margin-top:auto;align-self:flex-start}

/* ---------- Track buttons, four styles (html[data-tbtn]) ---------- */
.tb{--td:color-mix(in srgb,var(--tc) 78%,#000);box-sizing:border-box;display:inline-flex;align-items:center;justify-content:space-between;gap:0.875rem;min-height:3.5rem;padding:0 1.375rem 0 1.625rem;border-radius:62.4375rem;font-weight:600;font-size:1.06rem;text-decoration:none;
  transition:transform .16s var(--ease-out),background-color .2s ease,color .2s ease,box-shadow .25s var(--ease-out),border-color .2s ease}
.tb:active{transform:scale(.97)}
.tb .arrow{font-size:1.1rem}
.trow .links{align-items:center;gap:0.875rem 1.625rem;margin-top:1.375rem}
.fig-btn{display:none}
/* Filled: a solid pill in the track's own colour */
html[data-tbtn="filled"] .tb{background:var(--td);color:#fff;box-shadow:0 0.75rem 1.5rem -0.875rem var(--td)}
@media (hover:hover) and (pointer:fine){html[data-tbtn="filled"] .tb:hover{background:color-mix(in srgb,var(--tc) 62%,#000);box-shadow:0 16px 28px -14px var(--td)}}
/* Outline: a thick ring that fills with a tint on hover */
html[data-tbtn="outline"] .tb{background:#fff;color:var(--td);border:2.5px solid var(--tc)}
@media (hover:hover) and (pointer:fine){html[data-tbtn="outline"] .tb:hover{background:color-mix(in oklab,var(--tc),#fff 88%)}}
/* Wide: a full-width bar across the text column, tinted, arrow in a disc at the end */
html[data-tbtn="wide"] .links{flex-direction:column;align-items:stretch;gap:0.75rem}
html[data-tbtn="wide"] .tb{width:100%;min-height:4rem;border-radius:0.875rem;background:color-mix(in oklab,var(--tc),#fff 86%);color:var(--td);font-size:1.12rem;padding:0 0.75rem 0 1.5rem;border:1.5px solid color-mix(in oklab,var(--tc),#fff 60%)}
html[data-tbtn="wide"] .tb .arrow{display:grid;place-items:center;width:2.625rem;height:2.625rem;border-radius:0.625rem;background:var(--td);color:#fff}
@media (hover:hover) and (pointer:fine){html[data-tbtn="wide"] .tb:hover{background:color-mix(in oklab,var(--tc),#fff 76%)}}
html[data-tbtn="wide"] .links .lnk{align-self:flex-start;padding-left:0.25rem}
/* Figure: the drawn figure becomes the button, with a solid label along its foot */
html[data-tbtn="figure"] .links .tb{display:none}
html[data-tbtn="figure"] .trow-fig{position:relative;padding:1.125rem 1.375rem 5.25rem;overflow:hidden;transition:box-shadow .25s var(--ease-out)}
html[data-tbtn="figure"] .fig-btn{--td:color-mix(in srgb,var(--tc) 78%,#000);display:flex;align-items:center;justify-content:space-between;position:absolute;left:0.625rem;right:0.625rem;bottom:0.625rem;min-height:3.75rem;padding:0 1.25rem 0 1.375rem;border-radius:0.75rem;
  background:var(--td);color:#fff;font-weight:600;font-size:1.06rem;text-decoration:none;transition:background-color .2s ease}
html[data-tbtn="figure"] .fig-btn::before{content:"";position:absolute;inset:-18.75rem -1.25rem -1.25rem}
@media (hover:hover) and (pointer:fine){html[data-tbtn="figure"] .trow-fig:hover{box-shadow:inset 0 0 0 2px var(--tc)} html[data-tbtn="figure"] .trow-fig:hover .fig-btn{background:color-mix(in srgb,var(--tc) 62%,#000)}}
html[data-tbtn="figure"] .trow-fig:active .fig-btn{transform:scale(.99)}

@media (max-width:1000px){
}
@media (max-width:700px){
  .start{margin-top:2.5rem}
  .trow .links{flex-direction:column;align-items:stretch}
  .tb{justify-content:space-between}
  html[data-tbtn="figure"] .trow-fig{order:3}
}
/* ---------- Live additions: map progress (drawn by assets/js/progress.js), mobile map, toast ---------- */
.map-wrap .ai2-map-fill{pointer-events:none}
.stop.ai2-done .ring,.stop.ai2-done .dot{fill:var(--mc)}
.map-wrap .beacon{stroke:var(--check)}
.map-wrap.is-paused .route-res,.map-wrap.is-paused .route-lead,.map-wrap.is-paused .beacon{animation-play-state:paused}
.stop.soon{cursor:default}
/* Steps still in development (.wip) are drawn in gray with muted labels. */
.stop.wip,.trk-stops.wip{--mc:var(--wip)!important}
.stop.wip .lbl,.trk-stops.wip .lbl,.trk-stops.wip .mini{fill:var(--muted)}
.stop.wip .sub,.trk-stops.wip .sub{font-style:normal;fill:var(--muted)}
.map-wrap .stop.wip .beacon{stroke:var(--wip)}
.route-lead.wip{stroke:var(--wip)}
.route-check.wip{stroke:var(--wip)}
.mobile-map{display:none;list-style:none;margin:0;padding:0}
@media (max-width:700px){
  .mobile-map{display:block;position:relative;padding-left:0.25rem}
  .mobile-map::before{content:"";position:absolute;left:0.9375rem;top:1.375rem;bottom:1.375rem;width:0.375rem;border-radius:0.1875rem;background:var(--route-v)}
  .mobile-map li{position:relative;display:grid;grid-template-columns:1.75rem 1fr;gap:0.875rem;align-items:center;min-height:3.25rem;padding:0.375rem 0}
  .mobile-map li::before{content:"";width:1.625rem;height:1.625rem;box-sizing:border-box;border-radius:50%;background:#fff;border:0.3125rem solid var(--mc);position:relative;z-index:1;grid-row:1/4}
  .mobile-map a,.mobile-map .mm-t{display:block;font-size:1rem;font-weight:600;text-decoration:none;color:var(--ink)}
  .mobile-map small{display:block;font-size:.875rem;color:var(--muted)}
  .mobile-map li.opt{padding-left:1.375rem;grid-template-columns:1.25rem 1fr}
  .mobile-map li.opt::before{width:1.125rem;height:1.125rem;border-width:0.25rem}
  .mobile-map::before{background:linear-gradient(180deg,var(--wip),var(--wip) 6%,var(--m1) 14%,var(--m2) 45%,var(--m2) 56%,var(--wip) 64%,var(--wip))}
  .mobile-map li.wip{--mc:var(--wip)!important}
  .mobile-map li.wip a,.mobile-map li.wip .mm-t{color:var(--muted)}
  .mobile-map li.ai2-done::before{background:var(--mc)}
  .mobile-map li.ai2-here::before{animation:mm-here 1.6s ease-out infinite}
  .mobile-map li[data-ai2-progress]::after{content:attr(data-ai2-progress) " done";grid-column:2;font:600 .74rem var(--mono);color:var(--muted)}
}
@keyframes mm-here{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--core) 45%,transparent)}70%,100%{box-shadow:0 0 0 10px transparent}}
@media (prefers-reduced-motion:reduce){.mobile-map li.ai2-here::before{animation:none}}
/* Resume card, filled by progress.js into [data-ai2-resume] */
.start-resume .ai2-resume{display:flex;align-items:center;gap:1rem;padding:0.875rem 0.875rem 0.875rem 1rem;border-radius:1rem;text-decoration:none;color:var(--ink);background:color-mix(in oklab,var(--m1),#fff 87%);border:2px solid color-mix(in oklab,var(--m1),#fff 40%);transition:background-color .2s ease,transform .16s var(--ease-out)}
.start-resume .ai2-resume:active{transform:scale(.98)}
.start-resume .ai2-resume svg{flex:none;width:2.75rem;height:2.75rem}
.start-resume .ai2-resume-text{display:flex;flex-direction:column;min-width:0}
.start-resume .ai2-resume-text small{font-size:.86rem;font-weight:600;color:var(--core)}
.start-resume .ai2-resume-text strong{font-family:var(--serif);font-size:1.15rem;font-weight:600;line-height:1.25}
.start-resume .ai2-resume-go{margin-left:auto;padding:0.5rem 1rem;border-radius:999px;background:var(--core);color:#fff;font-weight:600;flex:none}
@media (hover:hover) and (pointer:fine){.start-resume .ai2-resume:hover{background:color-mix(in oklab,var(--m1),#fff 78%)}}
.credit{font-size:.8rem;color:var(--muted);margin-top:0.5rem}
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--route-ink); color: #fff; font-size: .9rem; padding: 10px 16px; border-radius: 10px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 200; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width:700px){ body.home .panel{display:none} }

/* ---------- Footer (Home only) ---------- */
.home-footer{background:var(--noise),var(--core-deep);color:rgba(255,255,255,.75);padding:3.5rem 0 4rem}
.home-footer .hshell{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(4,minmax(0,1fr));gap:2rem}
.home-footer img{height:1.875rem;width:auto}
.home-footer .hf-brand p{margin:0.875rem 0 0;font-size:.95rem;max-width:30ch}
.home-footer h3{margin:0 0 0.75rem;font-size:.95rem;font-weight:600;color:#fff}
.home-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:0.5rem;font-size:.93rem}
.home-footer a{color:inherit;text-decoration:none}
@media (hover:hover) and (pointer:fine){.home-footer a:hover{color:#fff;text-decoration:underline}}
@media (max-width:900px){.home-footer .hshell{grid-template-columns:1fr 1fr;gap:1.75rem 1.25rem}.home-footer .hf-brand{grid-column:1/-1}}