:root{--paper:#e9e5db;--ink:#121212;--dark:#101010;--light:#f0ede5;--muted:#79756c;--signal:#b8d900;--line:rgba(18,18,18,.22);--pad:clamp(20px,3.2vw,56px);font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--dark);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:var(--paper)}a{color:inherit;text-decoration:none}p,h1,h2,h3,figure{margin-top:0}.skip-link{position:fixed;z-index:100;left:1rem;top:-5rem;background:#fff;color:#111;padding:.8rem}.skip-link:focus{top:1rem}.site-header{position:absolute;z-index:30;inset:0 0 auto;display:flex;justify-content:space-between;align-items:center;padding:20px var(--pad);color:var(--light);font:12px/1.4 var(--font-micro);text-transform:uppercase;letter-spacing:.1em}.wordmark{font-family:Arial,sans-serif;font-weight:700}.site-header nav{display:flex;gap:clamp(18px,3vw,48px)}.eyebrow,.folio,.scope,.snapshot,.scope-line,.artifact-kicker,small{font:12px/1.4 var(--font-micro);text-transform:uppercase;letter-spacing:.1em}.eyebrow{margin-bottom:1.4rem;letter-spacing:.14em}.hero{min-height:100svh;background:var(--dark);color:var(--light);padding:16vh var(--pad) 7vh;display:grid;grid-template-columns:repeat(12,1fr);grid-template-rows:auto 1fr auto auto;gap:1.5rem;position:relative;overflow:hidden}.folio{grid-column:1/3}.hero-copy{grid-column:3/9;align-self:center;z-index:2}.hero h1{font-size:clamp(56px,8.2vw,132px);line-height:.84;letter-spacing:-.072em;font-weight:500;margin:0}.hero h1 em{font-family:Georgia,serif;font-weight:400}.hero-dek{font:clamp(19px,1.65vw,27px)/1.3 Georgia,serif;max-width:30ch;margin:2rem 0 0}.scope{position:absolute;right:var(--pad);bottom:9vh;width:max-content;max-width:calc(100% - var(--pad)*2);white-space:nowrap}.snapshot{grid-column:3/9;grid-row:4;display:flex;align-items:center;gap:.85rem;margin:0}.snapshot i{width:4px;height:4px;border-radius:50%;background:var(--signal)}.hero-model{position:absolute;right:-5vw;top:25%;width:min(42vw,650px);height:45%;opacity:.74}.model-node{position:absolute;width:11px;height:11px;border:2px solid var(--signal);border-radius:50%;background:var(--dark);z-index:2}.node-a{left:2%;top:66%}.node-b{left:31%;top:38%}.node-c{left:63%;top:55%}.node-d{left:91%;top:18%}.model-line{position:absolute;height:1px;background:linear-gradient(90deg,rgba(184,217,0,.2),var(--signal));transform-origin:left}.line-a{left:3%;top:67%;width:36%;transform:rotate(-32deg)}.line-b{left:32%;top:39%;width:37%;transform:rotate(18deg)}.line-c{left:64%;top:56%;width:39%;transform:rotate(-45deg)}.model-label{position:absolute;font:10px/1.2 var(--font-micro);text-transform:uppercase;letter-spacing:.12em;color:#8c8c8c}.model-label-a{left:0;top:73%}.model-label-b{left:28%;top:29%}.model-label-c{left:58%;top:63%}.model-label-d{left:84%;top:9%}.section{padding:clamp(100px,13vw,200px) 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0;min-height:270px}.flow li:before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--signal)}.flow li:not(:last-child):after{content:"";position:absolute;top:-1px;left:9px;right:0;height:1px;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .7s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--i,0)*.1s)}.flow.is-visible li:after{transform:scaleX(1)}.flow li:nth-child(1){--i:0}.flow li:nth-child(2){--i:1}.flow li:nth-child(3){--i:2}.flow li:nth-child(4){--i:3}.flow li:nth-child(5){--i:4}.flow span{font:12px var(--font-micro);color:var(--muted)}.flow h3{font-size:clamp(20px,1.9vw,29px);line-height:1.05;letter-spacing:-.035em;font-weight:500;margin:4rem 0 .8rem}.flow p{font:14px/1.5 Georgia,serif;max-width:18ch}.evidence{display:block}.evidence header{margin-left:8.333%;max-width:70rem}.evidence header h2{max-width:12ch}.evidence-stage{position:relative;min-height:780px;margin:clamp(80px,10vw,150px) 8.333% 0}.artifact{position:absolute;background:#ece9e0;color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.25);padding:clamp(18px,2vw,30px);transition:transform .9s cubic-bezier(.22,1,.36,1),opacity .7s}.artifact h3{font-size:clamp(24px,2.4vw,38px);line-height:1;letter-spacing:-.04em;font-weight:500}.artifact-kicker{color:#656159}.artifact-intake{width:33%;left:0;top:0;transform:translateY(30px);opacity:.3}.artifact-tracker{width:54%;left:22%;top:115px;transform:translateY(55px);opacity:.3}.artifact-tasks{width:34%;right:0;top:330px;transform:translateY(80px);opacity:.3}.artifact-visibility{width:37%;left:8%;top:500px;transform:translateY(105px);opacity:.3}.evidence-stage.is-visible .artifact{transform:translateY(0);opacity:1}.artifact dl div{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:.8rem 0;font:12px/1.4 var(--font-micro)}.artifact 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3fr;gap:2rem;align-content:center}.final-navigation__link{grid-column:2;display:block}.final-navigation__meta{display:grid;grid-template-columns:max-content clamp(90px,10.5vw,215px) max-content;align-items:center;gap:14px;width:max-content;margin:0 0 1.6rem calc(-16.6667vw + var(--pad)/3 - 1.333rem);font:11px/1.4 var(--font-micro);letter-spacing:.1em;text-transform:uppercase}.final-navigation__meta i{height:1px;background:var(--signal);transition:transform .22s;transform-origin:left}.final-navigation__link:hover .final-navigation__meta i,.final-navigation__link:focus-visible .final-navigation__meta i{transform:scaleX(1.06)}.final-navigation h2{font-size:clamp(44px,6.2vw,96px);line-height:.88;letter-spacing:-.065em;font-weight:500;margin:0}.final-navigation nav{grid-column:3;align-self:end;display:flex;flex-direction:column;gap:1.7rem}.editorial-link{display:inline-flex;gap:.45rem;width:max-content;padding-bottom:.35rem;text-transform:uppercase;font-size:12px;letter-spacing:.1em;background:linear-gradient(currentColor,currentColor) left bottom/0 1px no-repeat;transition:background-size .22s}.editorial-link:hover,.editorial-link:focus-visible{background-size:100% 1px}.editorial-link span{transition:transform .22s}.editorial-link.back{color:#999}.editorial-link.back:hover,.editorial-link.back:focus-visible{color:var(--light)}.editorial-link.back:hover span,.editorial-link.back:focus-visible span{transform:translateX(-4px)}.editorial-link.next:hover span,.editorial-link.next:focus-visible span{transform:translateX(4px)}footer{padding:32px var(--pad);display:flex;justify-content:space-between;align-items:center;font:12px/1.4 var(--font-micro);text-transform:uppercase;letter-spacing:.09em}:where(a[href]):focus-visible{outline:3px solid #b8ff00;outline-offset:4px;box-shadow:0 0 0 2px #111}footer a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:800px){:root{--pad:20px}.site-header nav a:nth-child(2){display:none}.site-header a{min-width:44px;min-height:44px;display:inline-flex;align-items:center}.hero{padding-top:18vh;display:flex;flex-direction:column;gap:0;min-height:100svh}.folio{margin-bottom:11vh}.hero-copy{margin:0}.hero h1{font-size:clamp(46px,14vw,64px);line-height:.88}.hero-dek{font-size:19px;max-width:92%}.hero-model{position:relative;order:3;right:auto;top:auto;width:100%;height:190px;margin-top:9vh;opacity:.8}.scope{position:static;order:4;width:auto;max-width:none;white-space:normal;font-size:12px;line-height:1.55;padding:6vh 0 0;margin-top:auto}.snapshot{order:5;flex-wrap:wrap;padding-top:1.5rem}.section{display:block;padding:90px var(--pad)}.section-signal{padding-bottom:0}.section h2{font-size:clamp(39px,12vw,58px)}.lead,.built-copy{margin-top:4rem}.capabilities{display:block;margin-top:5rem}.capabilities li{min-height:0;padding-bottom:3.5rem}.capabilities h3{margin-top:2rem;max-width:none}.how header{display:block;margin-left:0}.how header>p:last-child{margin-top:2rem}.flow{display:block;margin-top:5rem}.flow li{min-height:0;padding:1.2rem 0 4rem 32px;border-left:1px solid var(--line);border-top:0}.flow li:before{top:1.45rem;left:-5px}.flow li:not(:last-child):after{top:1.7rem;left:0;right:auto;width:1px;height:100%;transform:scaleY(0);transform-origin:top}.flow.is-visible li:after{transform:scaleY(1)}.flow h3{margin:0 0 .65rem}.flow p{max-width:30ch}.evidence header{margin-left:0}.evidence-stage{min-height:0;margin:60px 0 0;display:flex;flex-direction:column;gap:24px}.artifact{position:relative!important;inset:auto!important;width:100%!important;transform:translateY(28px);padding:22px}.evidence-stage.is-visible .artifact{transform:none}.table{grid-template-columns:1.2fr .8fr}.table span:nth-child(3),.table span:nth-child(4),.table b:nth-child(7),.table b:nth-child(8),.table b:nth-child(11),.table b:nth-child(12){display:none}.artifact li{gap:1rem}.evidence-note{margin:2rem 0 0}.outcome-main,.outcome-support{margin:0}.outcome-support{margin-top:4rem}.final-navigation{display:flex;flex-direction:column;min-height:80svh;margin-top:90px}.final-navigation__link{margin-top:auto}.final-navigation__meta{grid-template-columns:max-content minmax(24px,1fr) minmax(0,max-content);width:100%;margin-left:0;font-size:9px}.final-navigation h2{font-size:48px}.final-navigation nav{align-self:flex-start;margin-top:4rem;order:2}.editorial-link{min-height:44px;align-items:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.flow li:after,.artifact,.final-navigation__meta i,.editorial-link,.editorial-link span{transition:none}.artifact{opacity:1;transform:none}.flow li:after{transform:none}}
@media(forced-colors:active){:where(a[href]):focus-visible{outline:3px solid Highlight;box-shadow:none}}
@media(min-width:801px){.hero-model{right:1vw;width:min(38vw,600px)}}

/* Real operating-system evidence, shared with the homepage. */
.evidence-stage{min-height:1120px}
.artifact{margin:0;padding:0;background:transparent;color:var(--light);box-shadow:none}
.artifact-image{overflow:hidden;background:#e7e7e7;box-shadow:0 30px 80px rgba(0,0,0,.34)}
.artifact img{display:block;width:100%;height:100%;object-fit:cover}
.artifact figcaption{display:grid;grid-template-columns:42px 1fr;gap:16px;padding-top:16px;border-top:1px solid rgba(240,237,229,.22);margin-top:14px;font:12px/1.4 var(--font-micro);text-transform:uppercase;letter-spacing:.08em}
.artifact figcaption>span{color:#777}
.artifact figcaption strong{font-weight:400;color:var(--light)}
.artifact figcaption p{max-width:38ch;margin:.5rem 0 0;color:#888;font:14px/1.5 Georgia,serif;text-transform:none;letter-spacing:0}
.artifact-intake{width:41%;left:0;top:0}
.artifact-intake .artifact-image{aspect-ratio:1.65/1}
.artifact-intake img{object-position:center}
.artifact-tracker{width:65%;left:27%;top:245px}
.artifact-tracker .artifact-image{aspect-ratio:2.05/1}
.artifact-tracker img{object-position:left top}
.artifact-tasks{width:49%;right:0;top:570px}
.artifact-tasks .artifact-image{aspect-ratio:1.75/1}
.artifact-tasks img{object-position:left top}
.artifact-visibility{width:43%;left:5%;top:795px}
.artifact-visibility .artifact-image{aspect-ratio:1.55/1}
.artifact-visibility img{object-position:center 18%}
.artifact-tracker{top:165px}
@media(max-width:800px){.evidence-stage{min-height:0}.artifact{padding:0}.artifact-image{aspect-ratio:4/3!important}.artifact img{object-fit:cover}.artifact-intake img{object-position:center}.artifact-tracker img{object-position:left top}.artifact-tasks img{object-position:left top}.artifact-visibility img{object-position:center top}.artifact figcaption{grid-template-columns:32px 1fr}.artifact figcaption p{font-size:14px}}

/* P1B.4: keep evidence captions clear as copy wraps. */
.evidence-stage{display:grid;grid-template-columns:1fr 1fr;gap:64px 6%;min-height:0;align-items:start}
.evidence-stage .artifact{position:relative;inset:auto;width:100%}
.artifact-tracker,.artifact-visibility{margin-top:80px}
.artifact figcaption{border-left:2px solid var(--signal);padding-left:14px}
.how header>p:last-child b{display:block;font:12px/1.4 var(--font-micro);text-transform:uppercase;letter-spacing:.08em;margin:16px 0 6px}
@media(max-width:800px){.evidence-stage{display:flex;gap:40px}.artifact-tracker,.artifact-visibility{margin-top:0}}