:root{
  --bg:#FFFFFF; --fg:#0A0A0A; --body:#2A2A28; --muted:#64645F; --line:#EBEBE7; --line-2:#DADAD4; --soft:#F7F7F5;
  --orange:#FF5B14; --orange-ink:#C24100; --tint:rgba(255,91,20,.16);
  --ink:#0A0A0A; --ink-line:#232321; --ink-muted:#8A8A84; --paper:#F7F7F5;
  --sans:"Geist","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1); --ease-io:cubic-bezier(.65,0,.35,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --max:76rem;
  color-scheme:light;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 4rem)}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:1rem;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2{text-wrap:balance}
p{text-wrap:pretty}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.mono{font-family:var(--mono)}
.sq{display:inline-block;width:.5rem;height:.5rem;background:var(--orange);flex:none}

/* page transitions between the site and its legal pages */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .22s var(--ease-io) both}
::view-transition-new(root){animation:vt-in .55s var(--ease-out) .14s both}
@keyframes vt-out{to{opacity:0;transform:translateY(-14px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(18px)}}

/* ---------- reveal system ---------- */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.wi{display:inline-block}
.js [data-split]:not(.is-split){opacity:0;animation:show-anyway 0s 2.5s forwards}
@keyframes show-anyway{to{opacity:1}}
.js .is-split .wi{transform:translateY(108%);transition:transform 1s var(--ease-out);transition-delay:calc(var(--i) * 38ms + var(--wd, 0ms))}
.js .is-split.in .wi{transform:none}
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform 1.1s var(--ease-out);transition-delay:calc(var(--d, 0) * 90ms + 120ms)}
.js .rv.in{opacity:1;transform:none}
.hi{opacity:0;transform:translateY(14px);animation:rise 1s var(--ease-out) forwards;animation-delay:calc(var(--d) * 70ms + 80ms)}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- header ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
.progress{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);height:2px;z-index:50;pointer-events:none}
.progress i{display:block;height:100%;background:var(--orange);transform-origin:0 50%;transform:scaleX(0)}
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:rgba(255,255,255,.82);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid transparent;transition:border-color .3s,background-color .45s;view-transition-name:hdr}
.hdr.scrolled{border-bottom-color:var(--line)}
.hdr.dark{background:rgba(10,10,10,.74);border-bottom-color:var(--ink-line)}
.hdr-row{display:flex;align-items:center;justify-content:space-between;height:4rem;gap:1.5rem}
.logo{display:inline-flex;color:var(--fg);text-decoration:none;padding:.35rem 0;transition:color .45s}
.hdr.dark .logo{color:var(--paper)}
.logo svg{height:1.6rem;width:auto;display:block}
.where{font-family:var(--mono);font-size:.78rem;color:var(--muted);min-height:1.2em;overflow:hidden;transition:color .45s}
.where span{display:flex;gap:.6rem;align-items:center}
.where span.swap{animation:where-in .55s var(--ease-out)}
@keyframes where-in{from{opacity:0;transform:translateY(80%)}}
.where b{font-weight:500;color:var(--orange-ink)}
.hdr.dark .where{color:var(--ink-muted)}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(3.25rem,7.5vh,5.5rem);text-align:center;overflow:hidden}
.hero-in{position:relative;z-index:2;transform:translateY(calc(var(--hp, 0) * -40px))}
.kicker{display:inline-flex;align-items:center;gap:.6rem;font-size:.875rem;color:var(--muted)}
.display{font-size:clamp(2.9rem,6.3vw,5.8rem);line-height:.98;letter-spacing:-.052em;font-weight:500;max-width:16ch;margin:1.4rem auto 0}
.hero .lead{font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.5;color:var(--muted);max-width:39rem;margin:1.6rem auto 0;letter-spacing:-.005em}
.pipe{position:relative;height:clamp(16.5rem,27vw,24rem);margin-top:clamp(1.5rem,3.6vh,3rem)}
.pipe::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,#D2D2CC 1px,transparent 1.35px);background-size:22px 22px;background-position:50% 50%;-webkit-mask-image:radial-gradient(ellipse 58% 62% at 50% 50%,#000 25%,transparent 78%);mask-image:radial-gradient(ellipse 58% 62% at 50% 50%,#000 25%,transparent 78%);opacity:.75}
.pipe canvas{position:absolute;inset:0;width:100%;height:100%;display:block;transform:translateY(calc(var(--hp, 0) * 46px));-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%)}
.pipe-hud{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:1rem;padding-block:.5rem 2.75rem;font-size:.8rem;color:var(--muted)}
.hud-l{justify-self:start;display:flex;align-items:center;gap:.55rem}
.live{width:.45rem;height:.45rem;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(255,91,20,.45);animation:live 2.2s ease-out infinite}
@keyframes live{0%{box-shadow:0 0 0 0 rgba(255,91,20,.45)}70%,100%{box-shadow:0 0 0 .45rem rgba(255,91,20,0)}}
.hud-r{justify-self:end;font-family:var(--mono);font-size:.74rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.hud-r b{font-weight:500;color:var(--fg)}
.cue{display:inline-flex;flex-direction:column;align-items:center;gap:.7rem;color:var(--muted);font-size:.82rem;text-decoration:none;transition:color .2s}
.cue:hover{color:var(--fg)}
.cue i{display:block;width:1px;height:2.25rem;background:var(--line-2);position:relative;overflow:hidden}
.cue i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--orange);animation:drip 2.2s cubic-bezier(.6,0,.4,1) infinite}
@keyframes drip{to{top:100%}}
@media (max-width:1024px){
  .pipe-hud{grid-template-columns:minmax(0,1fr);justify-items:center;gap:.9rem}
  .hud-l,.hud-r{justify-self:center}
  .hud-r{order:2}
  .cue{order:3}
}

/* ---------- chapters ---------- */
.ch{position:relative;padding-block:clamp(6rem,12vw,10rem)}
.ch::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line);transform-origin:0 50%;transform:scaleX(0);transition:transform 1.5s var(--ease-io)}
.ch.in::before,.no-js .ch::before{transform:none}
.ch-n{display:flex;align-items:center;gap:.75rem;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.ch-n b{font-weight:500;color:var(--orange-ink)}
.js .ch-n{clip-path:inset(0 100% 0 0);transition:clip-path 1s var(--ease-io) .15s}
.js .ch-n .sq{transform:scale(0);transition:transform .5s var(--ease-out) .1s}
.js .ch.in .ch-n{clip-path:inset(0 -1rem 0 0)}
.js .ch.in .ch-n .sq{transform:none}
.h2{font-size:clamp(2.2rem,4.8vw,4rem);line-height:1.02;letter-spacing:-.045em;font-weight:500;max-width:17ch;margin-top:1.5rem}
.h2.is-split{--wd:200ms}
.intro{color:var(--muted);font-size:clamp(1.05rem,1.4vw,1.2rem);max-width:36rem;margin-top:1.5rem}
.js .intro.rv{--d:3}

/* ---------- 01 problem ---------- */
.probs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(3.5rem,7vw,5.5rem);border-top:1px solid var(--line)}
.prob{padding:2rem 2rem 0 0}
.prob + .prob{padding-left:2rem;border-left:1px solid var(--line)}
.js .prob{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform 1.1s var(--ease-out);transition-delay:calc(var(--d) * 120ms)}
.js .prob.in{opacity:1;transform:none}
.prob h3{font-size:1.3rem;font-weight:500;letter-spacing:-.025em;margin-top:1.75rem;line-height:1.2}
.prob p{color:var(--muted);margin-top:.7rem;max-width:21rem}
@media (max-width:860px){.probs{grid-template-columns:minmax(0,1fr)}.prob,.prob + .prob{padding:2rem 0;border-left:0;border-bottom:1px solid var(--line)}}

.vig{display:block;width:100%;height:8.25rem;overflow:visible}
.vig *{animation-play-state:paused}
.prob.in .vig *{animation-play-state:running}
.vig .f{fill:#fff;stroke:var(--line-2);stroke-width:1}
.vig .b{fill:#E3E3DE}
.vig text{font-family:var(--mono);font-size:7px;fill:#9A9A93}

.vig-1 .trail{fill:none;stroke:var(--line-2);stroke-width:1;stroke-dasharray:2 4;animation:trail 1.2s linear infinite}
@keyframes trail{to{stroke-dashoffset:-12}}
.vig-1 .d > g{animation:bob 5s ease-in-out infinite}
.vig-1 .d2 > g{animation-duration:6s;animation-delay:-1.4s}
.vig-1 .d3 > g{animation-duration:5.5s;animation-delay:-2.6s}
.vig-1 .d4 > g{animation-duration:6.4s;animation-delay:-.7s}
.vig-1 .d5 > g{animation-duration:5.2s;animation-delay:-3.3s}
@keyframes bob{50%{transform:translateY(-3px)}}
.vig-1 .seek{fill:var(--orange);animation:seek 7s var(--ease-io) infinite}
@keyframes seek{
  0%,11%{transform:translate(58px,26px)}
  18%,29%{transform:translate(128px,72px)}
  36%,47%{transform:translate(186px,22px)}
  54%,65%{transform:translate(240px,70px)}
  72%,90%{transform:translate(286px,28px)}
  100%{transform:translate(58px,26px)}
}
.vig-1 .hit{animation:hit 7s linear infinite}
.vig-1 .d2 .hit{animation-name:hit2}.vig-1 .d3 .hit{animation-name:hit3}.vig-1 .d4 .hit{animation-name:hit4}.vig-1 .d5 .hit{animation-name:hit5}
@keyframes hit{0%,4%{fill:#E3E3DE}6%,93%{fill:var(--orange)}96%,100%{fill:#E3E3DE}}
@keyframes hit2{0%,22%{fill:#E3E3DE}24%,93%{fill:var(--orange)}96%,100%{fill:#E3E3DE}}
@keyframes hit3{0%,40%{fill:#E3E3DE}42%,93%{fill:var(--orange)}96%,100%{fill:#E3E3DE}}
@keyframes hit4{0%,58%{fill:#E3E3DE}60%,93%{fill:var(--orange)}96%,100%{fill:#E3E3DE}}
@keyframes hit5{0%,76%{fill:#E3E3DE}78%,93%{fill:var(--orange)}96%,100%{fill:#E3E3DE}}
.vig-1 .d .f{animation:visit 7s linear infinite}
.vig-1 .d2 .f{animation-name:visit2}.vig-1 .d3 .f{animation-name:visit3}.vig-1 .d4 .f{animation-name:visit4}.vig-1 .d5 .f{animation-name:visit5}
@keyframes visit{0%,1%{stroke:var(--line-2)}3%,11%{stroke:var(--fg)}14%,100%{stroke:var(--line-2)}}
@keyframes visit2{0%,19%{stroke:var(--line-2)}21%,29%{stroke:var(--fg)}32%,100%{stroke:var(--line-2)}}
@keyframes visit3{0%,37%{stroke:var(--line-2)}39%,47%{stroke:var(--fg)}50%,100%{stroke:var(--line-2)}}
@keyframes visit4{0%,55%{stroke:var(--line-2)}57%,65%{stroke:var(--fg)}68%,100%{stroke:var(--line-2)}}
@keyframes visit5{0%,73%{stroke:var(--line-2)}75%,86%{stroke:var(--fg)}89%,100%{stroke:var(--line-2)}}

.vig-2 .box{fill:#FAFAF8;stroke:var(--line-2)}
.vig-2 .ok{fill:none;stroke:var(--fg);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:12;stroke-dashoffset:12;animation:ok 6s linear infinite}
.vig-2 .field + .field .ok{animation-name:ok2}
@keyframes ok{0%,22%{stroke-dashoffset:12}27%,92%{stroke-dashoffset:0}96%,100%{stroke-dashoffset:12;opacity:0}}
@keyframes ok2{0%,42%{stroke-dashoffset:12}47%,92%{stroke-dashoffset:0}96%,100%{stroke-dashoffset:12;opacity:0}}
.vig-2 .rule{fill:var(--fg);animation:rule 6s var(--ease-io) infinite}
.vig-2 .rule .glow{fill:rgba(10,10,10,.05)}
@keyframes rule{0%{transform:translateX(54px);opacity:0}6%{opacity:1}52%{transform:translateX(246px);opacity:1}58%,100%{transform:translateX(246px);opacity:0}}
.vig-2 .miss{fill:none;stroke:var(--orange);stroke-width:1;stroke-dasharray:3 3;opacity:0;animation:miss 6s linear infinite}
.vig-2 .miss-t{fill:var(--orange-ink);opacity:0;animation:miss 6s linear infinite}
@keyframes miss{0%,60%{opacity:0}64%,70%{opacity:1}73%{opacity:.25}76%,92%{opacity:1}97%,100%{opacity:0}}
.vig-2 .ref{animation:ref 6s linear infinite}
@keyframes ref{0%,60%{fill:#E3E3DE}64%,92%{fill:#F2C9B5}97%,100%{fill:#E3E3DE}}

.vig-3 .cb{fill:#fff;stroke:#CFCFC9}
.vig-3 .rows{animation:rows 1.1s linear infinite}
@keyframes rows{from{transform:translateY(0)}to{transform:translateY(18px)}}
.vig-3 .clock circle{fill:#fff;stroke:var(--line-2)}
.vig-3 .clock .hub{fill:var(--fg);stroke:none}
.vig-3 .tickmarks{stroke:#CFCFC9;stroke-width:1.2}
.vig-3 .hand{stroke:var(--fg);stroke-width:1.6;stroke-linecap:round}
.vig-3 .h1{stroke:var(--orange);animation:spin 1.6s linear infinite}
.vig-3 .h2{animation:spin 19.2s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.vig-3 .lbl{text-anchor:middle;font-size:8px}

/* ---------- 02 story ---------- */
.story{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2.5rem,6vw,6rem);margin-top:clamp(2rem,5vw,3rem)}
.s{min-height:78vh;display:flex;flex-direction:column;justify-content:center;padding-block:2rem;padding-left:1.5rem;position:relative;opacity:.28;transition:opacity .45s ease}
.s::before,.s::after{content:"";position:absolute;left:0;top:50%;width:1px;height:12rem;margin-top:-6rem;background:var(--line)}
.s::after{background:var(--orange);transform-origin:50% 0;transform:scaleY(var(--sp, 0))}
.s:not(.on)::after{transform:scaleY(0)}
.s.on{opacity:1}
.s-n{display:flex;align-items:center;gap:.7rem;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.s.on .s-n b{color:var(--orange-ink)}
.s-n b{font-weight:500}
.s > h3{font-size:clamp(1.7rem,2.8vw,2.4rem);font-weight:500;letter-spacing:-.04em;line-height:1.08;margin-top:1.1rem;max-width:15ch}
.s > p:not(.s-n){color:var(--muted);margin-top:1rem;font-size:1.05rem;max-width:26rem}
.s-inline{display:none}
.stage-col{position:relative}
.stage{position:sticky;top:calc(50vh - 19.5rem + 2rem);height:39rem;border:1px solid var(--line-2);border-radius:1.25rem;background:var(--bg);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 1px 0 rgba(10,10,10,.02),0 24px 60px -32px rgba(10,10,10,.18)}
.stepper{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-bottom:1px solid var(--line)}
.stepper li{font-size:.78rem;color:var(--muted);padding:.95rem .5rem .85rem;text-align:center;position:relative;transition:color .3s}
.stepper li::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:0 50%;transition:transform .45s var(--ease)}
.stepper li.done,.stepper li.cur{color:var(--fg)}
.stepper li.done::after{transform:scaleX(1)}
.stepper li.cur::after{transform:scaleX(var(--sp, 0));transition-duration:.12s}
.views{position:relative;flex:1}
.view{position:absolute;inset:0;padding:1.5rem 1.75rem;display:flex;flex-direction:column;gap:1.05rem;visibility:hidden;transition:visibility 0s .7s}
.view.on{visibility:visible;transition-delay:0s}
.view > *{opacity:0;transform:translateY(18px);transition:opacity .45s ease,transform .7s var(--ease-out);transition-delay:calc(var(--i, 0) * 70ms + 80ms)}
.view.on > *{opacity:1;transform:none}
.view.past > *{transform:translateY(-16px);transition-delay:calc(var(--i, 0) * 30ms)}
.v-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.9rem}
.v-head b{font-weight:500}
.v-head span{font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.view .v-foot{margin-top:auto;font-size:.82rem;color:var(--muted);display:flex;gap:.6rem;align-items:center}
.view.on > .v-foot:not(.go){opacity:0;transform:translateY(8px)}

.tick{width:1.25rem;height:1.25rem;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center;color:#fff;transition:background-color .25s,border-color .25s,transform .35s var(--ease-out)}
.tick svg{width:.7rem;height:.7rem;opacity:0;transform:scale(.4);transition:opacity .2s,transform .35s var(--ease-out)}
.go > .tick,.go .tick{background:var(--orange);border-color:var(--orange)}
.go > .tick svg,.go .tick svg{opacity:1;transform:none}

/* view 1 */
.docs li{display:grid;grid-template-columns:2rem minmax(0,1fr) 1.25rem;align-items:center;gap:.85rem;padding:.7rem .5rem;margin:0 -.5rem;border-bottom:1px solid var(--line);border-radius:.4rem;transition:background-color .6s}
.docs li:first-child{border-top:1px solid var(--line)}
.docs li.go{animation:row-lit 1s ease}
@keyframes row-lit{0%{background-color:rgba(255,91,20,.07)}100%{background-color:transparent}}
.doc-ic{width:2rem;height:2rem;border-radius:.5rem;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;color:var(--muted)}
.doc-ic svg{width:1rem;height:1rem}
.docs b{font-weight:500;font-size:.92rem;display:block}
.docs small{color:var(--muted);font-size:.8rem}

/* view 2 */
.note{border:1px solid var(--line);border-radius:.9rem;padding:1.1rem 1.2rem;background:var(--soft);font-size:.95rem;line-height:1.65;color:#2A2A28}
.note mark{background:linear-gradient(var(--tint),var(--tint)) 0 0/0% 100% no-repeat;color:inherit;padding:.05em 0;transition:background-size 1s var(--ease-io),color .3s;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.note mark.go{background-size:100% 100%;color:var(--fg)}
.view .extract{border:1px solid var(--line-2);border-radius:.9rem;padding:1rem 1.2rem}
.view.on > .extract:not(.go){opacity:0;transform:translateY(10px) scale(.98)}
.x-t{display:flex;align-items:center;gap:.6rem;font-weight:500;font-size:.92rem}
.extract dl{display:grid;grid-template-columns:5.5rem minmax(0,1fr);gap:.45rem 1rem;margin-top:.85rem;font-size:.86rem}
.extract dt{color:var(--muted)}
.extract dd{margin:0;min-height:1.3em}
.extract dd.typing::after{content:"";display:inline-block;width:.45em;height:1.05em;background:var(--orange);vertical-align:-.18em;margin-left:1px}
.flag{margin-top:.85rem;font-size:.8rem;color:var(--muted);transition:opacity .4s,transform .5s var(--ease-out)}
.js .flag:not(.go){opacity:0;transform:translateY(4px)}

/* view 3 */
.pair{display:grid;grid-template-columns:minmax(0,1fr) 3.5rem minmax(0,1fr);align-items:center}
.card{border:1px solid var(--line-2);border-radius:.9rem;padding:1rem 1.1rem;font-size:.86rem;background:var(--bg);transition:opacity .45s ease,transform .6s var(--ease-out),border-color .4s}
.card .c-l{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.card b{display:block;font-weight:500;font-size:.98rem;margin-top:.45rem;letter-spacing:-.01em}
.card span{display:block;color:var(--muted);margin-top:.15rem}
.js .pair .card + .link + .card:not(.go){opacity:0;transform:translateX(14px)}
.pair.linked .card{border-color:#CFCFC9}
.link{position:relative;height:2px;background:var(--line-2)}
.link::before{content:"";position:absolute;inset:0;background:var(--orange);transform:scaleX(0);transform-origin:0 50%;transition:transform .65s var(--ease-io)}
.link.go::before{transform:scaleX(1)}
.link i{position:absolute;left:50%;top:50%;width:.6rem;height:.6rem;margin:-.3rem 0 0 -.3rem;background:var(--orange);transform:scale(0) rotate(45deg);transition:transform .4s var(--ease-out) .55s}
.link.go i{transform:scale(1) rotate(0)}
.reasons li,.checks li{display:grid;grid-template-columns:1.25rem minmax(0,1fr) auto;gap:.8rem;align-items:center;padding:.72rem 0;border-bottom:1px solid var(--line);font-size:.9rem}
.reasons li:first-child,.checks li:first-child{border-top:1px solid var(--line)}
.reasons small,.checks small{font-family:var(--mono);font-size:.74rem;color:var(--muted);transition:color .3s}
.reasons li.go small,.checks li.go small{color:var(--fg)}

/* view 4 */
.conf{margin-top:auto;border:1px solid var(--line-2);border-radius:.9rem;padding:1rem 1.2rem}
.conf-l{display:flex;justify-content:space-between;align-items:baseline;font-size:.88rem}
.conf-l b{font-size:1.6rem;font-weight:500;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.bar{position:relative;height:4px;border-radius:4px;background:var(--line);margin-top:.6rem}
.bar i{position:absolute;inset:0;border-radius:4px;width:97%;background:var(--orange);transform:scaleX(0);transform-origin:0 50%;transition:transform 1s var(--ease-io)}
.bar.go i{transform:scaleX(1)}
.bar s{position:absolute;left:85%;top:-5px;width:1px;height:14px;background:var(--fg);opacity:.5}
.conf p{font-size:.82rem;color:var(--muted);margin-top:.85rem;transition:opacity .4s,transform .5s var(--ease-out)}
.js .conf p:not(.go){opacity:0;transform:translateY(4px)}

/* view 5 */
.badge{display:inline-flex;align-items:center;height:1.6rem;padding:0 .7rem;border-radius:999px;background:var(--orange);color:#0A0A0A !important;font-size:.76rem;font-weight:500;font-family:var(--sans) !important;transition:transform .5s cubic-bezier(.3,1.6,.5,1),opacity .3s}
.js .badge:not(.go){opacity:0;transform:scale(.5)}
.pk li{display:grid;grid-template-columns:1.6rem minmax(0,1fr) auto;gap:.8rem;align-items:center;padding:.72rem 0;border-bottom:1px solid var(--line);font-size:.9rem;transition:opacity .4s ease,transform .55s var(--ease-out)}
.pk li:first-child{border-top:1px solid var(--line)}
.js .pk li:not(.go){opacity:0;transform:translateX(-14px)}
.pk .k{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.pk span{display:block;color:var(--muted);font-size:.8rem}
.pk time{font-family:var(--mono);font-size:.74rem;color:var(--muted)}

/* agent cursor and log */
.agent{position:absolute;left:0;top:0;z-index:6;width:10px;height:10px;background:var(--orange);pointer-events:none;opacity:0;transition-property:transform,opacity;transition-timing-function:var(--ease-io),ease;transition-duration:.5s,.3s;will-change:transform}
.agent.on{opacity:1}
.agent i{position:absolute;left:15px;top:9px;font:500 .6rem/1 var(--mono);font-style:normal;letter-spacing:.02em;background:var(--orange);color:#0A0A0A;padding:.24rem .4rem;border-radius:.25rem;white-space:nowrap;transition:transform .35s var(--ease-out),opacity .35s ease}
.agent.quiet i{opacity:0}
.agent.flip i{transform:translateX(calc(-100% - 20px))}
.agent::after{content:"";position:absolute;inset:-6px;border:1px solid var(--orange);opacity:0}
.agent.ping::after{animation:ping .6s ease-out}
@keyframes ping{0%{opacity:.9;transform:scale(.5)}100%{opacity:0;transform:scale(2)}}
.log{border-top:1px solid var(--line);background:var(--soft);height:5.6rem;padding:.75rem 1.25rem;display:flex;flex-direction:column;justify-content:flex-end;gap:.28rem;overflow:hidden;font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.log p{flex:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.45;animation:log-in .35s var(--ease-out)}
.log p::before{content:"\203A";color:var(--orange-ink);margin-right:.6rem}
.log p:last-child{color:var(--fg)}
.log p.typing::after{content:"";display:inline-block;width:.5em;height:1em;background:var(--orange);vertical-align:-.15em;margin-left:2px}
@keyframes log-in{from{opacity:0;transform:translateY(6px)}}

@media (max-width:960px){
  .story{grid-template-columns:minmax(0,1fr)}
  .stage-col{display:none}
  .s{min-height:0;opacity:1;padding-block:2.5rem;padding-left:0;border-top:1px solid var(--line)}
  .s::before,.s::after{display:none}
  .s:first-child{border-top:0}
  .s-inline{display:block;margin-top:1.75rem;border:1px solid var(--line-2);border-radius:1.1rem;overflow:hidden}
  .s-inline .view{position:relative;inset:auto;visibility:visible;padding:1.25rem}
  .pair{grid-template-columns:minmax(0,1fr);gap:0}
  .link{width:2px;height:1.75rem;margin:0 auto}
  .link::before{transform:scaleY(0);transform-origin:50% 0}
  .link.go::before{transform:scaleY(1)}
}

/* ---------- 03 team ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2.5rem,6vw,6rem);align-items:center}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}
.points{margin-top:2.5rem;display:grid;gap:1rem}
.points li{display:flex;gap:.9rem;align-items:baseline;font-size:1.02rem}
.points li .sq{transform:translateY(-.1em)}
.js .points li{opacity:0;transform:translateX(-12px);transition:opacity .7s var(--ease),transform .9s var(--ease-out);transition-delay:calc(var(--d) * 110ms + 250ms)}
.js .points li .sq{transform:translateY(-.1em) scale(0);transition:transform .5s var(--ease-out);transition-delay:calc(var(--d) * 110ms + 450ms)}
.js .points li.in{opacity:1;transform:none}
.js .points li.in .sq{transform:translateY(-.1em)}
.queue{position:relative}
.q-label{display:flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.76rem;color:var(--muted);margin-bottom:1rem}
.q-label b{font-weight:500;color:var(--fg);margin-left:auto;font-variant-numeric:tabular-nums;border:1px solid var(--line-2);border-radius:999px;padding:.15rem .55rem;transition:transform .4s var(--ease-out)}
.q-label b.bump{animation:bump .5s var(--ease-out)}
@keyframes bump{40%{transform:scale(1.25)}}
.q-stack{position:relative;padding-bottom:1.25rem;perspective:1100px}
.ghost{position:absolute;left:0;right:0;bottom:0;height:3rem;border:1px solid var(--line-2);border-radius:1.25rem;background:var(--bg);transition:transform .7s var(--ease-out),opacity .5s}
.ghost.g1{transform:translateY(-.6rem) scale(.96);opacity:.9}
.ghost.g2{transform:translateY(0) scale(.92);opacity:.55}
.queue.advanced .ghost.g2{transform:translateY(-.6rem) scale(.96);opacity:.9}
.queue.advanced .ghost.g1{transform:translateY(-1.2rem) scale(1);opacity:0}
.approve{position:relative;border:1px solid var(--line-2);border-radius:1.25rem;padding:clamp(1.25rem,3vw,1.75rem);background:var(--bg);transform:rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));transition:transform .5s var(--ease-out),border-color .5s,box-shadow .5s;box-shadow:0 30px 60px -40px rgba(10,10,10,.25)}
.approve.approved{border-color:var(--orange);box-shadow:0 30px 60px -36px rgba(255,91,20,.35)}
.ap-top{display:flex;justify-content:space-between;align-items:start;gap:1rem}
.ap-id{font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.ap-name{font-weight:500;font-size:1.1rem;letter-spacing:-.015em;margin-top:.35rem}
.ap-rec{font-size:.78rem;border:1px solid var(--line-2);border-radius:999px;padding:.3rem .7rem;white-space:nowrap;display:inline-flex;gap:.45rem;align-items:center;transition:background-color .4s,border-color .4s,color .4s}
.approved .ap-rec{background:var(--orange);border-color:var(--orange);color:#0A0A0A}
.approved .ap-rec .sq{background:#0A0A0A}
.ap-label{margin-top:1.5rem;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.ap-why{margin-top:.5rem;font-size:1rem;line-height:1.6}
.cite{background:linear-gradient(var(--tint),var(--tint)) 0 100%/100% 0 no-repeat;border-bottom:1px dashed #CFCFC9;transition:background-size .3s var(--ease-out),border-color .3s;cursor:default}
.cite.hot{background-size:100% 100%;border-bottom-color:var(--orange)}
.ap-src{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease-io)}
.ap-src.open{grid-template-rows:1fr}
.ap-src ul{overflow:hidden;min-height:0}
.ap-src li{position:relative;display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.88rem;transition:background-color .3s,color .3s,padding-left .4s var(--ease-out)}
.ap-src li.go{padding-left:1.1rem}
.ap-src ul::before{content:"";display:block;margin-top:1.25rem;border-top:1px solid var(--line)}
.ap-src li span{color:var(--muted);font-family:var(--mono);font-size:.76rem;white-space:nowrap}
.ap-src li.hot{background:linear-gradient(90deg,rgba(255,91,20,.08),transparent)}
.ap-src li.go::before{content:"";position:absolute;left:0;top:50%;width:.45rem;height:.45rem;margin-top:-.225rem;background:var(--orange);animation:pop .4s var(--ease-out)}
@keyframes pop{from{transform:scale(0)}}
.ap-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.5rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-size:.92rem;font-weight:500;height:2.6rem;padding:0 1.15rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:opacity .15s,border-color .15s,background-color .3s,color .3s,transform .15s}
.btn:active{transform:scale(.97)}
.btn svg{width:.9rem;height:.9rem}
.btn-dark{background:var(--fg);color:#fff}
.btn-dark:hover{opacity:.85}
.btn-dark[aria-disabled="true"]{background:var(--orange);color:#0A0A0A;cursor:default;opacity:1}
.btn-dark[aria-disabled="true"] path{stroke-dasharray:14;stroke-dashoffset:14;animation:draw .45s var(--ease-out) .1s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.btn-line{background:transparent;color:var(--fg);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--fg)}
.ap-status{margin-top:1rem;font-size:.86rem;color:var(--muted);min-height:1.35em}
.ap-status.swap{animation:log-in .4s var(--ease-out)}

/* ---------- 04 scrutiny ---------- */
.tl{--p:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:clamp(3.5rem,7vw,5.5rem);position:relative}
.tl::before,.tl::after{content:"";position:absolute;left:0;right:0;top:.37rem;height:1px;background:var(--line-2)}
.tl::after{background:var(--orange);transform-origin:0 50%;transform:scaleX(var(--p))}
.tl li{position:relative;padding-right:1.25rem}
.tl li::before{content:"";display:block;width:.75rem;height:.75rem;background:var(--bg);border:1px solid var(--line-2);position:relative;z-index:1;transition:background-color .35s,border-color .35s,transform .45s cubic-bezier(.3,1.6,.5,1)}
.tl li.lit::before{background:var(--orange);border-color:var(--orange);transform:scale(1.2)}
.tl li > *{opacity:.3;transform:translateY(6px);transition:opacity .5s ease,transform .6s var(--ease-out)}
.tl li.lit > *{opacity:1;transform:none}
.no-js .tl li > *{opacity:1;transform:none}
.tl time{display:block;font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-top:1.4rem}
.tl b{display:block;font-weight:500;font-size:1.02rem;letter-spacing:-.015em;margin-top:.35rem;line-height:1.3}
.tl span{display:block;color:var(--muted);font-size:.88rem;margin-top:.25rem}
@media (max-width:860px){
  .tl{grid-template-columns:minmax(0,1fr);gap:1.75rem;padding-left:1.75rem}
  .tl::before,.tl::after{left:.37rem;right:auto;top:0;bottom:0;width:1px;height:auto}
  .tl::after{transform-origin:50% 0;transform:scaleY(var(--p))}
  .tl li::before{position:absolute;left:-1.75rem;top:.3rem}
  .tl time{margin-top:0}
}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.5rem,4vw,3rem);margin-top:clamp(3.5rem,7vw,5rem);padding-top:2rem;border-top:1px solid var(--line)}
.js .trio > div{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform 1s var(--ease-out);transition-delay:calc(var(--d) * 120ms)}
.js .trio > div.in{opacity:1;transform:none}
.t-ic{width:2.5rem;height:2.5rem;fill:none;stroke:var(--fg);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin-bottom:1.25rem}
.t-ic .draw{stroke:var(--orange);stroke-width:1.8;stroke-dasharray:40;stroke-dashoffset:40;transition:stroke-dashoffset 1.1s var(--ease-io);transition-delay:calc(var(--d) * 120ms + 350ms)}
.t-ic .dot{fill:var(--orange);stroke:none;transform:scale(0);transform-origin:29px 20px;transition:transform .4s var(--ease-out);transition-delay:calc(var(--d) * 120ms + 900ms)}
.trio > div.in .draw,.no-js .t-ic .draw{stroke-dashoffset:0}
.trio > div.in .dot,.no-js .t-ic .dot{transform:none}
.trio h3{font-size:1.15rem;font-weight:500;letter-spacing:-.02em}
.trio p{color:var(--muted);margin-top:.5rem;font-size:.95rem;max-width:21rem}
@media (max-width:860px){.trio{grid-template-columns:minmax(0,1fr)}}

/* ---------- 05 before / after ---------- */
.ba{margin-top:clamp(3.5rem,7vw,5rem);border-top:1px solid var(--line)}
.ba-row{display:grid;grid-template-columns:minmax(0,1fr) 3rem minmax(0,1fr);align-items:center;padding:1.5rem 0;border-bottom:1px solid var(--line)}
.ba-head{padding:1rem 0;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.ba-head span:last-child{color:var(--orange-ink)}
.ba-old{color:var(--muted);font-size:clamp(1.05rem,1.8vw,1.35rem);letter-spacing:-.02em}
.ba-old span{background:linear-gradient(#A3A39C,#A3A39C) 0 58%/100% 1px no-repeat;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.ba-new{font-size:clamp(1.05rem,1.8vw,1.35rem);letter-spacing:-.02em;font-weight:500}
.ba-arrow{width:1.25rem;height:1.25rem;color:var(--orange)}
.js .ba-row:not(.ba-head) .ba-old{color:var(--fg);transition:color .6s ease .5s}
.js .ba-row:not(.ba-head) .ba-old span{background-size:0% 1px;transition:background-size .7s var(--ease-io) .2s}
.js .ba-row:not(.ba-head) .ba-arrow{opacity:0;transform:translateX(-10px);transition:opacity .4s ease .75s,transform .6s var(--ease-out) .75s}
.js .ba-row:not(.ba-head) .ba-new{opacity:0;transform:translateX(-10px);transition:opacity .6s ease .9s,transform .8s var(--ease-out) .9s}
.js .ba-row.in .ba-old{color:var(--muted)}
.js .ba-row.in .ba-old span{background-size:100% 1px}
.js .ba-row.in .ba-arrow,.js .ba-row.in .ba-new{opacity:1;transform:none}
@media (max-width:700px){.ba-row{grid-template-columns:minmax(0,1fr);gap:.4rem}.ba-arrow{display:none}.ba-head{display:none}.ba-old::before{content:"Before: "}}

/* ---------- close ---------- */
.close{--q:0;position:relative;height:280vh;margin-top:clamp(2rem,6vw,5rem)}
.close-card{position:absolute;inset:0;background:var(--ink);color:var(--paper);clip-path:inset(0 calc((1 - var(--q)) * 4vw) 0 round calc((1 - var(--q)) * 2.25rem) calc((1 - var(--q)) * 2.25rem) 0 0)}
.close-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.close-fx{position:absolute;inset:0;width:100%;height:100%;display:block}
.close-in{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
.close .display{margin:0;max-width:none;font-size:clamp(2.5rem,6vw,5.2rem);color:var(--paper)}
.close .display > span{display:block}
.cw{color:#3B3B38;transition:color .6s ease}
.cw.lit{color:var(--paper)}
.close-p{max-width:34rem;margin:2rem auto 0;color:var(--ink-muted);font-size:1.1rem;opacity:var(--cp, 0);transform:translateY(calc((1 - var(--cp, 0)) * 10px))}
.close-sq{display:inline-block;width:.6rem;height:.6rem;margin-right:.7rem;vertical-align:.04em;background:var(--orange);transform:scale(var(--sqs, 0))}
.no-js .close-p{opacity:1;transform:none}
.no-js .close-sq{transform:none}
.no-js .cw{color:var(--paper)}
@media (max-width:640px){.close{height:240vh}}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:var(--ink-muted);padding-block:2.25rem;border-top:1px solid var(--ink-line)}
.ftr-row{display:flex;justify-content:space-between;align-items:center;gap:1rem 1.5rem;flex-wrap:wrap;font-size:.85rem}
.ftr .logo{color:var(--paper)}
.ftr .logo svg{height:1.35rem}
.ftr-meta{display:flex;align-items:center;gap:.75rem 1.5rem;flex-wrap:wrap}
.ftr-links{display:flex;align-items:center;gap:.6rem}
.ftr-links a{color:var(--ink-muted);text-decoration:none;transition:color .15s}
.ftr-links a:hover{color:var(--paper)}
.ftr-links span{color:#3B3B38}

/* ---------- without JavaScript ---------- */
.no-js .s{opacity:1}
.no-js .view[data-v="1"]{visibility:visible}
.no-js .view > *{opacity:1;transform:none}
.no-js .pipe,.no-js .hud-l,.no-js .hud-r{display:none}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hi{opacity:1;transform:none;animation:none}
  .cue i::after,.live{animation:none}
  .js .is-split .wi{transform:none}
  .js [data-split]:not(.is-split){opacity:1;animation:none}
  .js .rv,.js .prob,.js .trio > div,.js .points li{opacity:1;transform:none}
  .s{opacity:1}
  .vig *{animation:none !important}
  .vig-2 .ok{stroke-dashoffset:0}
  .vig-2 .miss,.vig-2 .miss-t{opacity:1}
  .vig-1 .hit{fill:var(--orange)}
  .vig-1 .seek{transform:translate(286px,28px)}
  .hero-in,.pipe canvas{transform:none}
  *,*::before,*::after{transition-duration:.01ms !important;transition-delay:0s !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none !important}
}