:root{
  --bg:#0c0b0a;--panel:rgba(24,22,19,.78);--raised:#25231f;--rule:#37342d;--text:#ece8df;--muted:#9a9385;
  --blue:#8fd0f5;--good:#7fc79a;--warn:#d9a24b;--bad:#e07a68;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,ui-serif,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 var(--sans);font-variant-numeric:tabular-nums}
button,input{font:inherit;color:inherit}
em{font-style:normal;color:var(--blue)}
b{font-weight:600}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;z-index:99;background:var(--raised);padding:8px 12px;border-radius:6px}.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em}
.dim{color:var(--muted)}.g{color:var(--good)}
.small{font-size:.92rem;color:var(--muted)}

/* ambient grid that lights up near the pointer */
.grid{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(#1a1814 1px,transparent 1px),linear-gradient(90deg,#1a1814 1px,transparent 1px);background-size:56px 56px}
.grid.hot{background-image:linear-gradient(rgba(143,208,245,.32) 1px,transparent 1px),linear-gradient(90deg,rgba(143,208,245,.32) 1px,transparent 1px);
  -webkit-mask-image:radial-gradient(260px circle at var(--mx,50%) var(--my,40%),#000,transparent);mask-image:radial-gradient(260px circle at var(--mx,50%) var(--my,40%),#000,transparent)}
.veil{position:fixed;inset:0;z-index:5;pointer-events:none;opacity:0;transition:opacity .4s;box-shadow:inset 0 0 160px 20px rgba(224,122,104,.35)}
body.stopped .veil{opacity:1}

/* header */
.bar{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px max(16px,env(safe-area-inset-right)) 14px max(16px,env(safe-area-inset-left))}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-family:var(--serif);font-weight:600;font-size:1.2rem}
.brand img{border-radius:7px}
.bar-r{display:flex;gap:8px;align-items:center}
.solid,.ghost,.stop{border-radius:6px;padding:8px 14px;cursor:pointer;border:1px solid var(--text);font-weight:600;font-size:.92rem;line-height:1.2}
.solid{background:var(--text);color:var(--bg)}
.ghost{background:transparent;border-color:var(--rule);color:var(--text)}
.ghost:hover{border-color:var(--muted)}
.solid:hover{background:#fff}
.big{padding:12px 20px;font-size:1rem}
.stop{display:flex;gap:8px;align-items:center;background:transparent;border-color:var(--bad);color:var(--bad);font-family:var(--mono);letter-spacing:.08em}
.stop i{width:9px;height:9px;background:currentColor;display:block}
.stop[aria-pressed=true]{background:var(--bad);color:var(--bg)}
@media (max-width:560px){.ghost#faqBtn{display:none}.bar .solid{padding:8px 12px}}

/* stage + scenes */
.stage{position:fixed;inset:0;z-index:1}
.scene{position:absolute;inset:0;overflow-y:auto;overflow-x:hidden;padding:76px 16px 104px;opacity:0;visibility:hidden;transform:translateY(28px);
  transition:opacity .55s var(--ease),transform .7s var(--ease),visibility 0s .7s;display:flex}
.scene.before{transform:translateY(-28px)}
.scene.on{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.in{width:100%;max-width:74rem;margin:auto;position:relative;z-index:2}
.two{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(20px,4vw,56px);align-items:center}
.center{max-width:46rem;text-align:center}
.kicker{font:600 .78rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 1rem}
.kicker span{color:var(--blue);margin-right:.8em}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,6.4vw,5.2rem);line-height:1.02;margin-bottom:1.2rem}
h2{font-size:clamp(1.9rem,4.2vw,3.2rem);line-height:1.08;margin-bottom:1.1rem}
h2.huge{font-size:clamp(2.6rem,8vw,5.6rem);line-height:1}
h3{font-size:.8rem;letter-spacing:.12em;color:var(--muted);margin:1.6rem 0 .6rem}
p{margin:0 0 1em}
.lede{font-size:clamp(1.02rem,1.5vw,1.22rem);color:#cfcabe;max-width:36rem}
.center .lede{margin-inline:auto}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:1.6rem 0 1rem}
.hint{font:.78rem var(--mono);color:var(--muted)}
.intro{max-width:74rem}
.intro h1,.intro .lede,.intro .actions,.intro .hint,.intro .kicker{max-width:40rem}
#introCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.pts,.safe{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:12px}
.pts li,.safe li{padding-left:16px;border-left:2px solid var(--rule);font-size:.97rem;color:#cfcabe}
.pts b,.safe b{color:var(--text)}

/* reveal */
.js [data-r]{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .8s var(--ease);transition-delay:0s}
.js .scene.on [data-r]{opacity:1;transform:none;transition-delay:calc(.15s + var(--i,0)*.09s)}

/* panels */
.panel{background:var(--panel);border:1px solid var(--rule);border-radius:8px;padding:14px;backdrop-filter:blur(6px)}
.panel-h{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}
.cap{margin:.7rem 0 0;color:var(--muted)}
canvas{display:block;width:100%}
#gateCanvas{height:190px}
#routeCanvas{height:230px}
.card{min-height:112px;border:1px solid var(--rule);border-radius:6px;padding:12px 14px;margin-top:6px;background:rgba(12,11,10,.6)}
.card.wait{border-color:var(--blue);box-shadow:0 0 0 1px rgba(143,208,245,.25),0 0 28px rgba(143,208,245,.14)}
.card .t{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:6px}
.card .t b{font-family:var(--serif);font-size:1.08rem}
.card ul{list-style:none;margin:0 0 10px;padding:0;display:grid;gap:3px}
.card li{font-size:.84rem;display:flex;gap:8px;align-items:baseline}
.card li i{font-style:normal;font-family:var(--mono);font-size:.7rem}
.ok i{color:var(--good)}.un i{color:var(--warn)}
.card .btns{display:flex;gap:8px;flex-wrap:wrap}
.card button{padding:7px 12px;font-size:.86rem}
.card .approve{background:var(--good);border-color:var(--good);color:#0c0b0a}
.card .reject{border-color:var(--bad);color:var(--bad);background:transparent}
.card button:disabled{opacity:.4;cursor:not-allowed}
.card .idle{color:var(--muted);font-size:.9rem;margin:0}
.counts{display:flex;gap:6px 16px;flex-wrap:wrap;margin-top:10px;color:var(--muted)}
.counts b{color:var(--text);margin-left:4px}.counts b.g{color:var(--good)}
.feed{list-style:none;margin:8px 0 0;padding:8px 0 0;border-top:1px solid var(--rule);display:grid;gap:2px;color:var(--muted);min-height:4.3em;overflow:hidden}
.feed li{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.feed b{color:var(--blue);font-weight:600}.feed .you b{color:var(--text)}
.seg{display:flex;border:1px solid var(--rule);border-radius:6px;overflow:hidden;margin-bottom:8px}
.seg button{flex:1;background:transparent;border:0;padding:9px 6px;cursor:pointer;color:var(--muted);font-weight:600;font-size:.88rem;border-right:1px solid var(--rule)}
.seg button:last-child{border-right:0}
.seg button[aria-checked=true]{background:var(--text);color:var(--bg)}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.rnote{font-size:.88rem;color:#cfcabe;min-height:2.9em;margin:8px 0 0}

/* ring */
.ring{container-type:inline-size;list-style:none;margin:0 auto;padding:0;position:relative;width:min(100%,32rem);aspect-ratio:1;--R:min(38%,12.4rem)}
.ring::before{content:"";position:absolute;inset:12%;border:1px dashed var(--rule);border-radius:50%}
.ring .core{position:absolute;left:50%;top:50%;width:22%;aspect-ratio:1;transform:translate(-50%,-50%)}
.ring .core img{width:100%;border-radius:22%;display:block}
.ring .core::after{content:"";position:absolute;inset:-14%;border:1px solid var(--blue);border-radius:50%;opacity:.5;animation:pulse 3.2s infinite}
@keyframes pulse{0%{transform:scale(.8);opacity:.6}100%{transform:scale(1.5);opacity:0}}
.node{position:absolute;left:50%;top:50%;width:0;height:0;transform:rotate(var(--a))}
.node button{position:absolute;left:0;top:0;transform:translate(var(--rr),0) rotate(calc(-1 * var(--a))) translate(-50%,-50%);--rr:36cqw;
  background:var(--bg);border:1px solid var(--rule);border-radius:999px;padding:7px 12px;cursor:pointer;white-space:nowrap;font-size:.82rem;font-weight:600;color:#cfcabe;transition:border-color .2s,color .2s,background .2s}
.node button:hover{border-color:var(--muted)}
.node button[aria-pressed=true]{border-color:var(--blue);color:var(--bg);background:var(--blue)}
.detail{min-height:12rem}
.detail .grp{font:600 .72rem var(--mono);letter-spacing:.1em;color:var(--blue);text-transform:uppercase;margin-bottom:.4rem}
.detail h3{font-size:1.5rem;letter-spacing:-.01em;color:var(--text);margin:0 0 .6rem;font-family:var(--serif);text-transform:none}
.detail p{font-size:.98rem;color:#cfcabe}

/* safety */
.stopcol{display:flex;flex-direction:column;align-items:center;text-align:center}
.bigstop{width:min(62vw,17rem);aspect-ratio:1;border-radius:50%;border:2px solid var(--bad);background:radial-gradient(circle at 50% 38%,rgba(224,122,104,.22),rgba(224,122,104,.04) 70%);color:var(--bad);cursor:pointer;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;transition:transform .15s,box-shadow .3s}
.bigstop:hover{box-shadow:0 0 60px rgba(224,122,104,.3)}
.bigstop:active{transform:scale(.97)}
.bigstop .sq{width:26px;height:26px;background:currentColor}
.bigstop .lbl{font:700 1.6rem var(--mono);letter-spacing:.2em}
.bigstop[aria-pressed=true]{background:var(--bad);color:var(--bg)}
.nb{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.nb li{font-size:.95rem;color:#cfcabe;padding-left:20px;position:relative}.nb li::before{content:"×";position:absolute;left:0;color:var(--muted);font-family:var(--mono)}
.term{background:rgba(24,22,19,.8);border:1px solid var(--rule);border-radius:8px;padding:14px 16px;font-size:.8rem;line-height:1.75}
.term p{margin:0;color:#cfcabe}.term i{font-style:normal;color:var(--blue);margin-right:8px}

/* form */
.form{display:flex;gap:10px;margin:1.6rem auto .8rem;max-width:34rem}
.form input[type=email]{flex:1;min-width:0;background:rgba(24,22,19,.85);border:1px solid var(--rule);border-radius:6px;padding:12px 14px;font-size:1rem}
.form input::placeholder{color:#6f675a}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.msg{max-width:34rem;margin-inline:auto}
.msg.ok{color:var(--good)}.msg.err{color:var(--warn)}
.fine{color:#6f675a;max-width:40rem;margin:2.2rem auto 0;line-height:1.6;font-size:.7rem}
@media (max-width:560px){.form{flex-direction:column}}

/* rail */
.rail{position:fixed;left:0;right:0;bottom:0;z-index:20;background:linear-gradient(transparent,var(--bg) 55%);padding-top:34px !important;display:flex;justify-content:center;gap:6px;padding:14px 16px max(14px,env(safe-area-inset-bottom));align-items:center}
.rail button{background:none;border:0;padding:10px 4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);min-width:34px}
.rail button i{display:block;width:26px;height:3px;background:var(--rule);border-radius:2px;transition:background .3s,width .3s}
.rail button span{font:.64rem var(--mono);letter-spacing:.06em;text-transform:uppercase;opacity:0;transition:opacity .2s;position:absolute;transform:translateY(-16px);white-space:nowrap;pointer-events:none}
.rail button:hover span,.rail button[aria-current=true] span,.rail button:focus-visible span{opacity:1}
.rail button:hover i{background:var(--muted)}
.rail button[aria-current=true] i{background:var(--blue);width:44px}
.rail button[aria-current=true] span{color:var(--blue)}
@media (max-width:560px){.rail button{min-width:24px}.rail button i{width:18px}.rail button[aria-current=true] i{width:30px}}
.live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* faq */
dialog{background:var(--bg);color:var(--text);border:1px solid var(--rule);border-radius:10px;padding:0;width:min(40rem,calc(100% - 24px));max-height:84vh}
dialog::backdrop{background:rgba(0,0,0,.7)}
.dh{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--rule);position:sticky;top:0;background:var(--bg)}
.dh h2{margin:0;font-size:1.3rem}
.db{padding:6px 18px 18px;overflow:auto}
details{border-bottom:1px solid var(--rule);padding:12px 0}
summary{cursor:pointer;font-family:var(--serif);font-weight:600;font-size:1.05rem}
details p{margin:.5rem 0 0;font-size:.95rem;color:#cfcabe}

/* narrow */
@media (max-width:860px){
  .two{grid-template-columns:1fr;gap:18px}
  .scene{padding-top:68px}
  #gateCanvas{height:150px}
  #routeCanvas{height:210px}
  .intro{padding-top:30vh}
  /* ring becomes a chip grid */
  .ring{width:100%;aspect-ratio:auto;display:flex;flex-wrap:wrap;gap:8px}
  .ring::before,.ring .core{display:none}
  .node{position:static;width:auto;height:auto;transform:none}
  .node button{position:static;transform:none}
  .detail{min-height:0}
}

/* no-JS: plain stacked page */
html:not(.js) body{overflow:auto}
html:not(.js) .stage{position:static}
html:not(.js) .scene{position:static;opacity:1;visibility:visible;transform:none;padding:80px 16px}
html:not(.js) .rail,html:not(.js) .stop,html:not(.js) canvas{display:none}
.nojs-note{padding:16px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  .scene,.js [data-r]{transition:none}
  .ring .core::after{animation:none}
}

.ts{display:flex;justify-content:center;margin-top:.4rem}