@font-face{font-family:Manrope;src:url('../core/manrope.woff2') format('woff2');font-weight:200 800;font-display:swap}
:root{font-family:Manrope,Arial,sans-serif;color:#292e29;background:#f3f1eb;--paper:#f3f1eb;--ink:#292e29;--muted:#72786e;--red:#bf4129;--line:#313e292b;--pad:6%}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:40px}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--red);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:450;letter-spacing:-.065em}em{color:var(--red);font-style:normal}.skip{position:fixed;top:-90px;left:20px;z-index:30;background:var(--ink);color:var(--paper);padding:15px}.skip:focus{top:20px}header{height:94px;padding:0 var(--pad);display:flex;align-items:center;gap:35px;position:absolute;left:0;right:0;top:0;z-index:5}.logo{font-size:29px;letter-spacing:-1.8px;font-weight:800;white-space:nowrap}.logo span{font-size:.9em;font-weight:550}.logo i{font-style:normal;color:var(--red)}header nav{display:flex;gap:30px;margin-left:auto;font-size:10px}.hub-link{font-size:10px;margin-left:30px;display:flex;gap:22px}.hub-link span{color:var(--red)}.opening{position:relative;display:grid;grid-template-columns:48% 52%;max-width:1800px;margin:auto}.copy-rail{grid-column:1;grid-row:1;position:relative;z-index:2;pointer-events:none}.copy-rail a,.copy-rail button{pointer-events:auto}.opening-chapter{min-height:100dvh;padding:14dvh 0 10dvh 12.5%;display:flex;flex-direction:column;justify-content:center;scroll-margin-top:0}.hero{padding-top:150px;padding-bottom:65px}.eyebrow{font-size:8px;letter-spacing:1.8px;font-weight:650;color:var(--muted);display:block}.hero .eyebrow{margin-bottom:35px}h1{font-size:clamp(64px,6.6vw,112px);line-height:1.07}h1 em{white-space:nowrap}.lead{font-size:13px;line-height:1.9;max-width:350px;color:#626a60;margin-top:30px}.primary{background:var(--red);color:#fff9ef;display:inline-flex;justify-content:space-between;align-items:center;gap:38px;padding:18px 25px;border-radius:40px;font-size:11px;font-weight:600;transition:background .2s,transform .2s;align-self:flex-start}.primary:hover{background:#993a25;transform:translateY(-2px)}.primary span{font-size:19px;font-weight:400}.hero .primary{margin-top:29px}.hero-note{font-size:10px;color:var(--muted);line-height:1.8;margin-top:42px}.chapter-index{display:flex;gap:25px;margin-bottom:34px;font-size:8px;letter-spacing:1.1px;color:var(--muted)}.chapter-index span:last-child{color:var(--red)}.opening-chapter h2{font-size:clamp(48px,5.2vw,84px);line-height:1.08;margin-bottom:33px}.opening-chapter>p:not(.lead){font-size:13px;line-height:1.9;max-width:350px;color:#626a60;margin:0 0 18px}.chapter-takeaway{font-size:10px;color:var(--red);margin-top:22px;padding-top:20px;border-top:1px solid var(--line);max-width:350px;line-height:1.7}.mantle-words{display:flex;flex-wrap:wrap;gap:10px 19px;max-width:340px;font-size:10px;color:var(--red);margin:14px 0}.text-link{font-size:11px;display:inline-flex;gap:25px;align-items:center;align-self:flex-start;padding:13px 0;border-bottom:1px solid var(--line);margin-top:15px}.text-link span{color:var(--red);font-size:17px}.particle-rail{grid-column:2;grid-row:1;position:relative;min-width:0}.particle-stage{position:sticky;top:0;height:100dvh;min-height:600px;isolation:isolate}.particle-stage canvas{display:block;position:absolute;top:0;left:-15%;width:125%;height:100%;touch-action:pan-y;outline:none}.particle-labels{position:absolute;inset:0;pointer-events:none;z-index:2}.particle-labels>div{position:absolute;top:0;left:0;display:flex;flex-direction:column;gap:5px;opacity:0;white-space:nowrap;padding-left:18px;transition:opacity .5s}.particle-labels>div:before{content:'';width:11px;height:1px;background:currentColor;position:absolute;left:0;top:5px;opacity:.5}.particle-labels span{font-size:6px;font-weight:600;letter-spacing:1.2px;color:#747d72}.particle-labels b{font-size:12px;font-weight:500;letter-spacing:-.2px}.particle-labels [data-label="1"]{color:var(--red)}.particle-labels [data-label="1"] b{font-size:18px;letter-spacing:-.5px}.particle-labels [data-label="1"] span{color:var(--red)}.assembly-note{position:absolute;left:4%;right:6%;top:16%;font-size:9px;text-align:right;line-height:1.7;color:var(--muted);letter-spacing:.2px;z-index:2}.scene-footer{position:absolute;left:0;right:11.5%;bottom:45px;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:8px;color:var(--muted);z-index:4}.scene-footer>div{display:flex;gap:16px}.scene-footer button{background:none;font-size:8px;color:#66715f;padding:8px 0;white-space:nowrap}.scene-footer button:hover{color:var(--red)}.scene-fallback{position:absolute;inset:28% 5%;display:flex;flex-direction:column;gap:40px;align-items:center;justify-content:center}.scene-fallback[hidden]{display:none}.scene-fallback>*{border:1px solid currentColor;padding:25px 50px;transform:skewY(-9deg);font-size:11px}.scene-fallback strong{color:var(--red)}
.possibilities{position:relative;padding:110px var(--pad) 100px;border-top:1px solid var(--line);background:#eae9e1}.section-opening{max-width:1300px;margin:auto}.section-opening h2{font-size:clamp(38px,4.7vw,72px);line-height:1.12;margin:25px 0}.section-opening p{font-size:13px;line-height:1.8;color:var(--muted);max-width:430px}.scenario-layout{max-width:1300px;margin:65px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:10%}.scenario-choices{display:flex;flex-direction:column}.scenario-choices button{display:flex;gap:20px;align-items:center;justify-content:space-between;text-align:left;background:none;padding:25px 0;font-size:clamp(17px,1.7vw,26px);font-weight:450;letter-spacing:-.6px;color:#757e70;border-bottom:1px solid var(--line);transition:color .25s}.scenario-choices button[aria-selected=true]{color:var(--red)}.scenario-choices b{font-size:19px;font-weight:400}.case-panel{padding-top:8px}.case-category{font-size:7px;letter-spacing:1.4px;color:var(--red)}.case-panel h3{font-size:clamp(27px,2.8vw,44px);line-height:1.17;margin:20px 0;white-space:pre-line}.case-panel>p{font-size:12px;color:#626b5c;line-height:1.9;max-width:450px}.case-route{display:flex;padding:0;margin:38px 0;list-style:none;gap:20px}.case-route li{position:relative;flex:1;font-size:9px;color:#53604c;line-height:1.6;padding-top:25px;border-top:1px solid #bf412944}.case-route li:before{content:'';position:absolute;top:-3px;left:0;width:5px;height:5px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px #bf41290c}.case-panel .case-outcome{color:var(--ink);font-size:13px;padding-top:5px}.resolve{padding:130px var(--pad);display:grid;grid-template-columns:1.2fr 1fr;gap:10%;max-width:1550px;margin:auto}.resolve h2{font-size:clamp(40px,4.5vw,70px);line-height:1.15;margin-top:30px}.resolve-copy{align-self:center;max-width:380px}.resolve-copy p{font-size:14px;line-height:1.9;color:#687160;margin-bottom:22px}.resolve-copy p:first-child{font-size:22px;letter-spacing:-.7px;line-height:1.6;color:var(--ink)}.closing{padding:105px var(--pad) 100px;background:var(--ink);color:#f0f0e4}.closing>.eyebrow{color:#b5bfaa}.closing h2{font-size:clamp(52px,7.4vw,115px);line-height:1.06;margin:38px 0 45px;max-width:1200px}.closing h2 em{color:#dda481}.closing>div{display:flex;align-items:center;gap:80px}.closing p{font-size:13px;line-height:1.9;color:#b5bfaa}.closing .primary{align-self:center;background:#e3ac88;color:#262d24}.closing .primary:hover{background:#efcbb0}footer{padding:35px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--line)}footer>span,footer>a:last-child{font-size:10px;color:var(--muted)}footer .logo{font-size:25px}dialog{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:43px;width:calc(100% - 32px);max-width:550px;max-height:90dvh}dialog::backdrop{background:#17201499;backdrop-filter:blur(6px)}dialog .close{position:absolute;right:18px;top:12px;background:none;font-size:28px;color:var(--ink)}dialog h2{font-size:40px;line-height:1.15;margin:25px 0}dialog>p{font-size:12px;line-height:1.8;color:var(--muted)}dialog label{display:block;font-size:11px;margin:23px 0}input,textarea{display:block;width:100%;margin-top:10px;background:transparent;border:1px solid #313e2955;border-radius:0;padding:13px;font-size:13px;color:var(--ink)}textarea{resize:vertical}.form-note{font-size:10px;color:var(--muted);line-height:1.7;margin-top:18px}
@media(min-width:1800px){header{padding-left:calc((100% - 1580px)/2);padding-right:calc((100% - 1580px)/2)}}
@media(max-width:1100px) and (min-width:768px){h1{font-size:6.4vw}.opening-chapter h2{font-size:5vw}.opening-chapter>p:not(.lead),.lead{font-size:12px;max-width:310px}.scene-footer{flex-wrap:wrap;justify-content:flex-end;bottom:35px}.particle-labels b{font-size:10px}.particle-labels span{font-size:5px}.particle-labels [data-label="1"] b{font-size:16px}.hub-link{margin-left:5px}.hero-note{margin-top:28px}.opening-chapter{padding-right:10px}}
@media(max-width:767px){:root{--pad:6%}header{height:78px;gap:20px}.logo{font-size:26px}header nav{display:none}.hub-link{margin-left:auto;font-size:9px;gap:15px}.opening{display:block}.copy-rail{position:relative}.opening-chapter{min-height:940px;min-height:max(100dvh,940px);padding:78px 6% 530px;justify-content:flex-start}.hero{padding-top:124px;padding-bottom:500px;min-height:max(100dvh,980px)}.hero .eyebrow{font-size:7px;margin-bottom:24px}h1{font-size:13.4vw;line-height:1.09}.lead{font-size:11px;line-height:1.85;max-width:310px;margin-top:21px}.hero .primary{margin-top:22px}.primary{padding:14px 19px;font-size:10px;gap:26px}.primary span{font-size:17px}.hero-note{display:none}.particle-rail{position:absolute;top:0;bottom:0;right:0;width:100%;pointer-events:none}.particle-stage{top:450px;height:440px;min-height:0;pointer-events:auto}.particle-stage canvas{left:-5%;width:110%}.assembly-note{top:10px;left:6%;right:6%;font-size:7px;text-align:right}.scene-footer{bottom:0;left:6%;right:6%;font-size:7px;gap:10px}.scene-footer button{font-size:7px}.scene-footer>div{gap:14px}.particle-labels b{font-size:9px}.particle-labels span{font-size:5px;letter-spacing:.7px}.particle-labels>div{padding-left:11px;gap:3px}.particle-labels>div:before{width:6px;top:4px}.particle-labels [data-label="1"] b{font-size:14px}.opening-chapter h2{font-size:11.3vw;line-height:1.1;margin-bottom:22px}.chapter-index{font-size:6px;letter-spacing:1px;margin-bottom:23px;gap:18px}.opening-chapter>p:not(.lead){font-size:11px;line-height:1.8;max-width:315px;margin-bottom:12px}.chapter-takeaway{font-size:8px;max-width:310px;margin-top:10px;padding-top:13px}.mantle-words{font-size:9px;gap:14px;margin:5px 0}.text-link{font-size:10px;margin-top:8px}.possibilities{padding:75px 6% 65px}.section-opening h2{font-size:9.7vw;line-height:1.14;margin:25px 0}.section-opening p{font-size:12px;max-width:310px}.scenario-layout{grid-template-columns:1fr;gap:35px;margin-top:35px}.scenario-choices button{font-size:18px;padding:19px 0}.case-panel h3{font-size:31px}.case-panel>p{font-size:11px}.case-route{margin:30px 0;gap:14px}.case-route li{font-size:8px}.case-panel .case-outcome{font-size:12px}.resolve{padding:75px 6%;grid-template-columns:1fr;gap:35px}.resolve h2{font-size:10.5vw;line-height:1.16;margin-top:25px}.resolve-copy{max-width:325px}.resolve-copy p{font-size:12px;margin-bottom:18px}.resolve-copy p:first-child{font-size:19px}.closing{padding:70px 6% 65px}.closing>.eyebrow{font-size:6px;letter-spacing:1.2px}.closing h2{font-size:11.8vw;line-height:1.11;margin:28px 0 30px}.closing>div{display:block}.closing p{font-size:11px}.closing .primary{margin-top:26px}footer{padding:25px 6%}footer>span{display:none}footer>a:last-child{font-size:8px}footer .logo{font-size:23px}dialog{padding:34px 25px}dialog h2{font-size:34px}.scene-fallback>*{padding:15px 35px;font-size:8px}.scene-fallback{gap:20px}}
@media(max-width:360px){.particle-stage{top:440px;height:405px}.scene-footer{font-size:6px}.opening-chapter{min-height:930px}.hero{min-height:960px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.opening{overflow:clip}
.particle-labels>div{text-shadow:0 0 8px #f3f1eb,0 0 4px #f3f1eb}
@media(max-width:767px){.particle-stage{top:435px;height:380px}.opening-chapter{min-height:max(100dvh,890px)}.hero{min-height:max(100dvh,910px)}}
@media(max-width:360px){.particle-stage{top:430px;height:350px}.scene-footer{font-size:6px}}
.particle-labels span,.particle-labels b{background:#f3f1ebdf;box-shadow:0 0 8px #f3f1eb88;padding:2px 4px;margin-left:-4px;width:max-content}
.particle-stage canvas[hidden]{display:none}
@media(max-width:767px){.assembly-note{top:46px}}
:root{--paper:#091015;--ink:#edece5;--muted:#94a2aa;--red:#d8b684;--line:#adc2cf25;color:var(--ink);background:var(--paper)}
header{z-index:6}.logo{font-weight:550;letter-spacing:1.8px;font-size:25px}.logo span{font-weight:450}.hub-link,header nav{color:#bdc7ce}.opening{background:#091015}.opening-chapter h1{font-weight:400}.lead,.opening-chapter>p:not(.lead){color:#a6b1b7}.chapter-index{color:#889aa7}.hero-note{color:#84969f}.primary{color:#ecd6b5;background:#a4804820;border:1px solid #d8b68499;font-weight:500;box-shadow:inset 0 0 25px #bb8d4020,0 0 30px #bb8d4008}.primary:hover{background:#b28a4535}.primary span{color:#d8b684}.particle-stage canvas{left:-14%;width:124%;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 97%,transparent)}.assembly-note{color:#849aa8}.scene-footer,.scene-footer button{color:#8fa0aa}.scene-footer button:hover{color:#e5c69c}.particle-labels>div{text-shadow:none}.particle-labels span,.particle-labels b{background:#091015ba;box-shadow:0 0 12px #09101599}.particle-labels span{color:#a0b0bb}.particle-labels b{color:#e5e6df}.particle-labels [data-label="1"] span,.particle-labels [data-label="1"] b{color:#efd0a0}.particle-labels [data-label="1"] b{font-size:21px;letter-spacing:.5px}.particle-labels>div:before{color:#e2caab}.possibilities{background:#101a21}.section-opening p{color:#95a7b2}.scenario-choices button{color:#9babb4}.case-panel>p{color:#9babb4}.case-route li{color:#becbd2;border-color:#d8b68455}.case-route li:before{box-shadow:0 0 13px #d8b68477}.resolve-copy p{color:#95a7b2}.resolve-copy p:first-child{color:#dce0df}.closing{background:#141e25;border-top:1px solid #abc5d522;color:#efeee7}.closing>.eyebrow,.closing p{color:#9badb8}.closing h2 em{color:#d6b581}.closing .primary{background:#dfbf8d;color:#141d22;box-shadow:0 0 45px #dfbf8d0c}.closing .primary span{color:#141d22}.closing .primary:hover{background:#f0d6ac}footer{background:#091015}.form-note,dialog>p{color:#97a8b3}input,textarea{border-color:#8094a055}dialog::backdrop{background:#03080dc9}.scene-fallback>*{border-color:#536b7c}
@media(max-width:767px){.logo{font-size:22px;letter-spacing:1px}.particle-stage canvas{left:-10%;width:120%}.particle-stage{top:430px;height:470px}.hero{min-height:max(100dvh,1020px)}.opening-chapter{min-height:max(100dvh,1010px)}.particle-labels [data-label="1"] b{font-size:14px}.particle-labels span{font-size:4.5px}.scene-footer{bottom:8px}.assembly-note{top:15px;font-size:6px}.primary{box-shadow:inset 0 0 20px #bb8d4010}}
@media(max-width:360px){.particle-stage{top:420px;height:440px}.hero,.opening-chapter{min-height:980px}}
:root{--paper:#040607;background:#040607}.opening,footer{background:#040607}.particle-labels span,.particle-labels b{background:#040607ce;box-shadow:0 0 12px #04060780}.particle-stage canvas{mask-image:linear-gradient(90deg,transparent,#000 10%,#000 97%,transparent)}
.scene-footer{left:4%;right:6%;bottom:24px;gap:12px}.scene-footer>span{max-width:180px;line-height:1.6}.scene-footer>div{gap:17px}.scene-footer button{font-size:9px;min-height:36px;color:#a5b2ba}.scene-footer button[aria-pressed=true]{color:#efd0a0}#inspect{color:#d8b684}.opening[data-chapter="1"] .chapter-index span:last-child{color:#a4d3ec}.opening[data-chapter="1"] .assembly-note{color:#a4c4d5}
@media(max-width:767px){.particle-stage{top:min(430px,48svh);height:min(470px,calc(100svh - min(430px,48svh) - 12px))}.scene-footer{bottom:0;left:6%;right:6%;justify-content:center}.scene-footer>span{display:none}.scene-footer button{font-size:9px;min-height:40px}.scene-footer>div{gap:24px}.assembly-note{font-size:7px;top:8px}.particle-labels span{font-size:5px}.particle-labels b{font-size:10px}.particle-labels [data-label="1"] b{font-size:15px}.opening-chapter:not(.hero){padding-top:55px}.opening-chapter:not(.hero) h2{font-size:10.7vw}.opening-chapter:not(.hero)>p{font-size:10.5px;line-height:1.7}.chapter-index{margin-bottom:19px}.chapter-takeaway{margin-top:8px;padding-top:10px}}
@media(max-width:360px){.scene-footer button{font-size:8px}.scene-footer>div{gap:18px}.opening-chapter:not(.hero){padding-top:42px}.assembly-note{top:30px}}
.scene-footer button:disabled{opacity:.32;cursor:default}.scene-footer>div{gap:13px}#trace[aria-pressed=true]{color:#efd0a0}.particle-stage[data-render-mode="traced"] .assembly-note{color:#efd0a0}.particle-stage[data-render-mode="traced"] .scene-footer>span{opacity:.4}@media(max-width:767px){.scene-footer>div{gap:15px}.scene-footer button{font-size:8px}}@media(max-width:360px){.scene-footer>div{gap:11px}.scene-footer button{font-size:7.5px}}
.particle-stage canvas{mask-image:linear-gradient(90deg,transparent,#000 10%,#000 97%,transparent),linear-gradient(180deg,transparent,#000 6%,#000 96%,transparent);mask-composite:intersect}
/* Keep the assembled world in view through contact and closure, then let it
   leave naturally with the page once the final motion has finished. */
.copy-rail::after{content:'';display:block;height:80svh}
.copy-rail>.opening-chapter:last-child{position:sticky;top:0}

@media(max-width:767px){.assembly-note{top:auto;bottom:43px;left:6%;right:6%;text-align:center;font-size:7px}.scene-footer>div{gap:23px}}

.scene-footer{justify-content:flex-end}@media(max-width:767px){.scene-footer{justify-content:center}}