:root{--bg:#111210;--fg:#f0f0e9;--muted:#92968b;--line:#383a32;--acid:#d9f568;--paper:#e8e9df;--mono:'IBM Plex Mono',monospace;--display:'Barlow Condensed','Arial Narrow',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;background:var(--bg);color:var(--fg);font-family:'DM Sans',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--acid);outline-offset:5px}::selection{background:var(--acid);color:var(--bg)}header{height:76px;padding:0 3.5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--bg);position:relative;z-index:10}.brand{font-size:14px;font-weight:600;letter-spacing:-.4px;display:flex;align-items:center;gap:9px}.brand-icon{font-size:37px;line-height:1}.brand-dot{font-size:9px;align-self:flex-start;margin-top:8px}nav{display:flex;gap:32px;font-size:12px}.header-actions{display:flex;align-items:center;gap:24px;font-size:12px}.header-cta{border-bottom:1px solid #73786a;padding:9px 0}#menu{display:none}.mono{font:10px/1.6 var(--mono);letter-spacing:.07em}.hero{padding:24px 3.5% 0;overflow:hidden}.hero-kicker,.section-label{display:flex;justify-content:space-between}.hero h1{font:600 clamp(120px,24.6vw,440px)/.82 var(--display);letter-spacing:-.045em;text-align:center;margin:26px 0 -7px;position:relative;z-index:2;pointer-events:none}.hero h1 span{font:400 23px var(--mono);vertical-align:top;display:inline-block;margin:1.2vw 0 0 1.4vw;letter-spacing:0}.field{height:425px;position:relative;border-bottom:1px solid var(--line);margin:0 -3.8%;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#1a1d15 0%,#111210 65%)}canvas{width:100%;height:100%;display:block}.field-caption{position:absolute;top:22px;left:3.5%;right:3.5%;display:flex;justify-content:space-between;color:var(--muted)}.cross{position:absolute;color:#727766;font:18px var(--mono);top:49%}.c1{left:3.5%}.c2{right:3.5%}.field-tag{position:absolute;left:3.5%;bottom:35px}.field-tag span{color:var(--muted);font-size:8px}.field-coordinates{position:absolute;right:3.5%;top:44%;color:#7f8673}.field #motion{position:absolute;right:3.5%;bottom:30px;font:10px var(--mono);border:1px solid var(--line);padding:9px 12px}.hero-bottom{display:grid;grid-template-columns:1.25fr 1fr .35fr;gap:50px;padding:32px 0 40px;align-items:start}.hero-bottom h2{font-size:clamp(26px,3vw,48px);font-weight:400;letter-spacing:-1.8px;margin:0}.hero-bottom p{font-size:14px;line-height:1.65;margin:0 0 20px;max-width:340px;color:#b7baaf}.text-link{display:inline-block;font-size:12px;padding:0 0 6px;border-bottom:1px solid currentColor}.hero-index{text-align:right}.hero-index span{font-size:8px;color:var(--muted)}section:not(.hero){padding:36px 3.5% 65px}.light{background:var(--paper);color:#20231c}.section-label{padding-bottom:26px;border-bottom:1px solid currentColor;opacity:.7}.research-intro{display:grid;grid-template-columns:1fr 2fr;gap:30px;margin:58px 0}.eyebrow{font-size:13px;margin-top:8px}.research h2{font-size:clamp(36px,5vw,76px);font-weight:400;line-height:1.07;letter-spacing:-.055em;margin:0;white-space:pre-line}.study-grid{display:grid;grid-template-columns:1.15fr 1fr;border-top:1px solid #b9bdb0;border-bottom:1px solid #b9bdb0;min-height:430px}.molecule{position:relative;min-height:400px;overflow:hidden;background-image:linear-gradient(#c9cdbd66 1px,transparent 1px),linear-gradient(90deg,#c9cdbd66 1px,transparent 1px);background-size:36px 36px;border-right:1px solid #b9bdb0}.molecule:after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse,transparent 20%,var(--paper) 80%);pointer-events:none}.atom{position:absolute;width:160px;height:160px;top:110px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#f9fbed 0,#b9c3a8 27%,#61714a 52%,#172313 80%,#091107 100%);box-shadow:12px 30px 30px #27331925;z-index:2}.a1{left:calc(50% - 135px)}.a2{left:calc(50% - 14px);width:140px;height:140px;top:154px}.bond{position:absolute;width:80px;height:22px;top:211px;left:calc(50% - 12px);background:#39422f;transform:rotate(15deg);z-index:1}.atom-label{position:absolute;top:169px;z-index:3;color:#f0f3e8;font:25px var(--mono)}.l1{left:calc(50% - 63px)}.l2{left:calc(50% + 45px);top:208px}.molecule-title{position:absolute;top:20px;left:22px;z-index:3}.molecule-note{position:absolute;bottom:20px;left:22px;font-size:8px;z-index:3}.scale{position:absolute;bottom:64px;left:35%;width:31%;text-align:center;border-top:1px solid #707c60;padding-top:8px;z-index:3}.study-copy{padding:30px 0 35px 10%}.study-top{display:flex;justify-content:space-between}.status{padding:1px 7px;border:1px solid #717d5e}.study-copy h3{font-size:36px;font-weight:400;letter-spacing:-1.2px;margin:34px 0 14px}.study-copy p{font-size:14px;line-height:1.75;max-width:440px;color:#555b4e}dl{font-size:11px;margin:24px 0}dl div{display:flex;justify-content:space-between;border-bottom:1px solid #b9bdb0;padding:11px 0}dt{font:9px var(--mono)}dd{margin:0}.research-note{display:grid;grid-template-columns:1fr 1fr 1fr;gap:55px;padding-top:40px;align-items:start}.research-note p{font-size:24px;line-height:1.3;margin:0;letter-spacing:-.6px}.note-small{font-size:12px;line-height:1.7;max-width:280px;color:#5e6656}.protocol-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:60px 0}.protocol h2{font:500 clamp(64px,8.5vw,140px)/.95 var(--display);text-transform:uppercase;letter-spacing:-.025em;margin:0;white-space:pre-line}.equation{max-width:310px;margin-right:5%;padding-bottom:10px}.equation>span{color:var(--acid)}.equation p{font-family:Georgia,serif;font-size:42px;font-style:italic;letter-spacing:-2px;margin:24px 0}.equation small{font-size:12px;line-height:1.8;color:var(--muted)}.process{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.process article{position:relative;padding:28px 34px 42px 0;border-right:1px solid var(--line)}.process article+article{padding-left:34px}.process article:last-child{border-right:0}.process .mono{color:var(--acid)}.process h3{font-size:22px;letter-spacing:-.5px;font-weight:400;margin:28px 0 14px}.process p{max-width:290px;font-size:13px;line-height:1.8;color:var(--muted)}.process-arrow{position:absolute;right:25px;bottom:0;font-size:25px}.token{background:var(--acid);color:#222818}.token-main{display:grid;grid-template-columns:1fr 1.3fr;gap:10%;padding:65px 5% 65px 0;align-items:center}.token-symbol{font:600 330px/.8 var(--display);letter-spacing:-30px;position:relative;justify-self:center}.token-symbol span{position:absolute;font:100px var(--display);top:75px;left:69px;letter-spacing:0}.token h2{font-size:clamp(36px,4.7vw,70px);letter-spacing:-.05em;line-height:1.1;font-weight:400;white-space:pre-line;margin:20px 0}.token p{font-size:14px;line-height:1.8;max-width:475px;margin-bottom:25px}.token-bottom{display:flex;justify-content:space-between;border-top:1px solid #a5b959;padding-top:22px}.closing{text-align:center;padding-bottom:100px!important}.closing .section-label{text-align:left}.closing p{font-size:clamp(40px,7vw,105px);font-weight:400;line-height:1.05;letter-spacing:-.055em;white-space:pre-line;margin:75px 0 38px}.closing>button{display:block;margin:0 auto 25px;background:var(--fg);color:var(--bg);padding:16px 26px;font-size:12px}.closing>a{font-size:11px;color:var(--muted)}footer{padding:25px 3.5%;border-top:1px solid var(--line);display:flex;align-items:center;gap:40px;justify-content:space-between}footer p{font-size:10px;color:var(--muted);max-width:350px;line-height:1.6}footer>a:last-child{font-size:25px}dialog{background:var(--paper);color:#20231c;width:min(650px,92vw);padding:46px;border:0;max-height:85vh}dialog::backdrop{background:#050704bb;backdrop-filter:blur(8px)}dialog h2{font-size:34px;letter-spacing:-1px;font-weight:400}dialog p,dialog li{font-size:14px;line-height:1.8}dialog a{text-decoration:underline}#close-dialog{position:absolute;right:15px;top:10px;font-size:30px}
@media(min-width:1600px){.field{height:520px}}@media(max-width:850px){header{padding:0 5%;height:65px}nav{gap:15px}.header-actions{gap:15px}.header-cta{display:none}.hero{padding:20px 5% 0}.hero h1{font-size:25vw;margin-top:35px}.hero h1 span{font-size:14px}.field{height:380px;margin:0 -5.6%}.hero-bottom{grid-template-columns:1fr 1fr;gap:25px}.hero-index{display:none}.hero-bottom h2{font-size:32px}.hero-kicker>span:last-child{display:none}section:not(.hero){padding:28px 5% 48px}.research-intro{grid-template-columns:1fr;margin:35px 0}.research-intro .eyebrow{margin:0}.study-grid{grid-template-columns:1fr}.molecule{border-right:0;border-bottom:1px solid #b9bdb0;min-height:370px}.study-copy{padding:28px 0}.research-note{gap:22px;grid-template-columns:1fr 1fr}.research-note>.mono{grid-column:1/-1}.protocol-heading{gap:25px}.equation{max-width:230px;margin:0}.equation p{font-size:33px}.process article,.process article+article{padding:25px 18px 30px}.process article:first-child{padding-left:0}.process h3{font-size:20px}.token-main{gap:6%;grid-template-columns:.7fr 1fr;padding:45px 0}.token-symbol{font-size:240px}.token-symbol span{font-size:75px;top:54px;left:50px}.token-bottom{font-size:8px;gap:15px}footer{flex-wrap:wrap;gap:20px}footer p{order:4;max-width:none;flex-basis:100%;margin:0}}@media(max-width:560px){.brand{font-size:11px}.brand-icon{font-size:30px}#menu{display:block;font-size:20px}nav{display:none;position:absolute;top:65px;left:0;right:0;background:var(--bg);padding:25px 5%;border-bottom:1px solid var(--line)}nav.open{display:flex;justify-content:space-between}.hero h1{font-size:25vw;margin-bottom:0}.hero h1 span{font-size:10px;margin-left:2px}.hero-kicker{font-size:8px}.field{height:315px}.field-caption{font-size:7px;top:20px}.field-caption>span:last-child{display:none}.field-coordinates{font-size:7px;top:48%}.field-tag{font-size:8px;bottom:24px}.field-tag span{font-size:6px}.field #motion{font-size:8px;bottom:23px}.hero-bottom{grid-template-columns:1fr;padding:28px 0 34px;gap:16px}.hero-bottom h2{font-size:33px}.hero-bottom p{font-size:13px;max-width:300px;margin-bottom:16px}.section-label{font-size:7px;padding-bottom:20px;gap:20px}.section-label>span:last-child{text-align:right}.research h2{font-size:42px}.research-intro{gap:18px}.molecule{min-height:340px}.atom{top:85px}.a2{top:129px}.bond{top:186px}.l1{top:144px}.l2{top:183px}.molecule-note{font-size:6px}.study-copy h3{font-size:30px}.study-copy p{font-size:13px}.research-note{grid-template-columns:1fr;gap:16px}.research-note p{font-size:27px;max-width:290px}.note-small{max-width:320px}.protocol-heading{display:block;margin:35px 0}.protocol h2{font-size:82px}.equation{margin-top:35px;max-width:310px}.equation p{margin:15px 0}.process{grid-template-columns:1fr}.process article,.process article+article{padding:24px 0;border-right:0;border-bottom:1px solid var(--line)}.process h3{margin:16px 0 10px;font-size:24px}.process p{max-width:290px}.process-arrow{bottom:30px;right:0}.token-main{display:flex;flex-direction:column;align-items:stretch;padding:35px 0}.token-symbol{font-size:180px;align-self:flex-start;margin-bottom:30px}.token-symbol span{font-size:57px;top:40px;left:36px}.token h2{font-size:42px}.token-bottom{flex-direction:column;font-size:9px;gap:9px}.closing p{font-size:44px;margin:55px 0 30px}.closing{padding-bottom:65px!important}dialog{padding:35px 25px}dialog h2{font-size:29px}footer .mono{font-size:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Keep the introduction and its action visible alongside the brand study. */
.hero{padding-top:16px}
.hero h1{font-size:clamp(112px,15vw,200px);line-height:.9;margin:20px 0 0}
.field{height:clamp(200px,30vh,300px)}
.hero-bottom{padding:24px 0 28px;gap:32px;grid-template-columns:1.15fr 1fr .3fr}
.hero-bottom h2{font-size:clamp(28px,2.8vw,42px)}
.hero-bottom p{font-size:15px;line-height:1.6;margin-bottom:14px;max-width:390px}
.hero-index{padding-top:5px}
.text-link{font-size:13px;min-height:32px;display:inline-flex;align-items:center}
.research-intro{margin:44px 0}
.study-copy p,.process p,.token p{font-size:15px}
.study-copy dl{font-size:12px}
.protocol-heading{margin:44px 0}
.protocol h2{font-size:clamp(64px,7vw,106px)}
.equation small,.note-small{font-size:13px}
.closing p{font-size:clamp(40px,6vw,84px);margin-top:55px}
footer p{font-size:12px;max-width:420px}
@media(min-width:1800px){header,.hero,section:not(.hero),footer{padding-left:max(3.5%,calc((100vw - 1600px)/2));padding-right:max(3.5%,calc((100vw - 1600px)/2))}}
@media(max-width:850px){
.hero h1{font-size:clamp(104px,20vw,160px);margin-top:24px}
.field{height:250px}
.hero-bottom{grid-template-columns:1fr 1fr;gap:24px}
.hero-bottom p{font-size:14px}
.protocol h2{font-size:clamp(62px,9vw,82px)}
}
@media(max-width:560px){
.hero h1{font-size:26vw;margin-top:24px;line-height:.95}
.field{height:230px}
.hero-bottom{grid-template-columns:1fr;gap:12px;padding:22px 0 28px}
.hero-bottom h2{font-size:30px;letter-spacing:-1px}
.hero-bottom p{font-size:14px;max-width:330px}
.field-coordinates{display:none}
.section-label{font-size:8px;line-height:1.7}
.research-intro{margin:30px 0}
.research h2{font-size:clamp(32px,9.6vw,40px)}
.protocol h2{font-size:clamp(54px,16vw,68px)}
.protocol-heading{margin:30px 0}
.study-copy p,.process p,.token p{font-size:14px}
.token-symbol{font-size:140px;margin-bottom:24px}
.token-symbol span{font-size:43px;top:32px;left:28px}
.token h2{font-size:clamp(32px,9.6vw,40px)}
.closing p{font-size:clamp(32px,9.6vw,40px)}
footer p{font-size:11px}
}

/* Unified black theme across every chapter and dialog. */
:root{--bg:#080908;--fg:#efefe8;--paper:#080908;--line:#343730;--muted:#a0a597}
.light,.token{background:var(--bg);color:var(--fg)}
.field{background:radial-gradient(ellipse at 50% 40%,#13160f 0%,var(--bg) 68%)}
.section-label{opacity:1;color:var(--muted);border-bottom-color:var(--line)}
.study-grid,.molecule,.study-copy dl div{border-color:var(--line)}
.molecule{background-image:linear-gradient(#343a2b55 1px,transparent 1px),linear-gradient(90deg,#343a2b55 1px,transparent 1px)}
.study-copy p,.note-small,.token p{color:#b5baac}
.status{border-color:#5d6650;color:#cbd5bd}
.scale{border-color:#687458;color:#b8c5a5}
.molecule-title,.molecule-note{color:var(--muted)}
.token-symbol{color:var(--acid)}
.token-bottom{border-color:var(--line);color:var(--muted)}
.token .text-link{color:var(--fg)}
dialog{background:#121410;color:var(--fg);border:1px solid var(--line)}
dialog p,dialog li{color:#c1c6b9}
dialog .mono{color:var(--acid)}
.brand-logo{width:42px;height:42px;object-fit:contain;display:block;flex-shrink:0}
@media(max-width:560px){.brand-logo{width:34px;height:34px}}