:root{--paper:#f5f3eb;--ink:#203730;--muted:#52625b;--green:#236b55;--orange:#ad502c;--line:#c9d1c7;--panel:#edf0e7;--white:#fffef9;--gold:#a07827;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);scroll-behavior:smooth;scroll-padding-top:90px}
*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:.2em}a:hover{color:var(--orange)}button,input,select{font:inherit}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.035em}h2{font-size:clamp(2rem,3.6vw,3.25rem);line-height:1.12;margin-bottom:1.1rem}p{line-height:1.75}strong{font-weight:650}.skip{position:fixed;top:-100px;left:1rem;z-index:100;background:white;padding:1rem}.skip:focus{top:1rem}.masthead{height:70px;padding:0 max(24px,calc((100vw - 1260px)/2));display:flex;justify-content:space-between;align-items:center;background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;gap:20px}.brand{font-size:.83rem;letter-spacing:.13em;text-decoration:none;color:var(--ink);font-weight:750;white-space:nowrap}.brand span{font-weight:400}.masthead nav{display:flex;gap:25px;font-size:.86rem}.masthead nav a{color:var(--ink);text-decoration:none}.opening{max-width:1200px;margin:auto;padding:86px 24px 70px}.eyebrow,.step-label{text-transform:uppercase;letter-spacing:.15em;font-size:.74rem;font-weight:700;color:var(--green);line-height:1.6}h1{font-size:clamp(3.4rem,7.7vw,6.8rem);line-height:1.02;margin:24px 0 30px;max-width:1050px}h1 em{color:var(--green);font-weight:400}.deck{font-size:clamp(1.2rem,2.2vw,1.55rem);line-height:1.6;max-width:780px}.opening-note{max-width:730px;color:var(--muted);font-size:1rem}.start{display:inline-flex;align-items:center;gap:25px;font-size:1rem;text-decoration:none;border-bottom:1px solid var(--green);padding:10px 0;font-weight:600}.start span{font-size:1.5rem}.reading-key{display:flex;gap:12px 25px;flex-wrap:wrap;font-size:.77rem;color:var(--muted);margin-top:48px;border-top:1px solid var(--line);padding-top:18px}.story{max-width:1260px;margin:auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.steps{grid-column:1;grid-row:1;min-width:0}.step{min-height:86vh;padding:80px 0 100px;scroll-margin-top:85px}.step p{font-size:1.04rem}.step .step-label{font-size:.74rem}.step .citations{font-size:.82rem;line-height:1.7;color:var(--muted);margin-top:25px}.boundary{padding:16px 0 16px 19px;border-left:3px solid var(--orange);line-height:1.65;margin:25px 0;background:linear-gradient(90deg,#ecebdf,transparent)}details{border-top:1px solid var(--line);padding:15px 0;font-size:.93rem}summary{cursor:pointer;line-height:1.5;font-weight:600}details p{margin:15px 0 0;font-size:.96rem!important}.visual{position:sticky;top:105px;grid-column:2;grid-row:1;width:100%;align-self:start;border-top:2px solid var(--green);padding:18px 0 20px;min-width:0}.visual-heading{display:flex;justify-content:space-between;gap:15px;font-size:.73rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}#figure{min-height:260px;background:var(--panel);padding:10px;border:1px solid var(--line)}#figure svg{width:100%;height:auto;display:block}.figure-note{font-size:.81rem;line-height:1.55;margin:12px 0;color:var(--muted)}.graphic-status{font-size:.83rem;line-height:1.5;margin:10px 0;min-height:1.5em;font-weight:550}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:.8rem}.control-grid label{display:block}.control-grid input[type=range]{display:block;width:100%;accent-color:var(--green);margin-top:10px}.control-grid .check{grid-column:1/-1;display:flex;align-items:center;gap:8px}.check input{accent-color:var(--green);width:18px;height:18px}.segmented{display:flex;flex-wrap:wrap;gap:8px}.segmented button{padding:8px 12px;border:1px solid var(--green);border-radius:0;background:transparent;color:var(--green);font-size:.83rem;cursor:pointer}.segmented button[aria-pressed=true]{background:var(--green);color:white}.graph-section,.source-section{max-width:1260px;margin:0 auto;padding:70px 24px;border-top:1px solid var(--line);scroll-margin-top:75px}.section-intro{max-width:850px;color:var(--muted)}.graph-toolbar{display:flex;gap:25px;justify-content:space-between;align-items:end;margin:32px 0}.graph-toolbar label{display:flex;flex-direction:column;gap:8px;font-size:.85rem;max-width:680px;flex:1}.graph-toolbar select{width:100%;min-width:0;background:var(--white);border:1px solid var(--line);padding:12px;color:var(--ink)}.downloads{display:flex;gap:17px;flex-wrap:wrap;font-size:.83rem}.graph-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:35px;align-items:start}.graph-layout svg{width:100%;height:auto;display:block}.graph-layout h3{font:400 1.65rem/1.2 Georgia,serif}.graph-layout p{font-size:.94rem}.claim-type{font-size:.71rem!important;letter-spacing:.07em;text-transform:uppercase;color:var(--green)}.claim-links{list-style:none;padding:0;margin-bottom:0}.claim-links li{border-top:1px solid var(--line);padding:8px 0;font-size:.86rem}.claim-links button{background:none;border:0;padding:0;color:var(--green);cursor:pointer;text-align:left;text-decoration:underline;text-underline-offset:.2em;font-size:.86rem}.relationship{color:var(--muted);display:block;font-size:.73rem;margin-top:3px}.analysis-details{margin-top:35px}.analysis-details li{line-height:1.6;margin-bottom:9px}.source-record{border-top:1px solid var(--line);padding:22px 0;scroll-margin-top:85px}.source-record h3{font-size:1.06rem;line-height:1.5;margin-bottom:8px}.source-record p{font-size:.87rem;line-height:1.6;margin:5px 0;color:var(--muted)}.source-record .type{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--green)}footer{background:var(--ink);color:var(--paper);padding:40px max(24px,calc((100vw - 1212px)/2));font-size:.84rem}footer p{max-width:900px}footer a{color:#c0ddc4}.svg-title{font-family:system-ui,sans-serif;fill:var(--ink)}
@media(min-width:1500px){.step{min-height:760px}}
@media(max-width:900px){.story{gap:30px}.step p{font-size:1rem}.masthead nav{gap:14px}.visual{top:95px}}
@media(max-width:680px){:root{scroll-padding-top:70px}.masthead{height:62px;padding:0 16px}.brand{font-size:.7rem;letter-spacing:.08em}.brand span{display:none}.masthead nav{font-size:.73rem;gap:13px}.opening{padding:50px 20px 40px}h1{font-size:3.4rem}.reading-key{gap:10px 15px}.story{display:block;padding:0 20px}.visual{top:62px;z-index:10;background:var(--paper);padding:8px 0;box-shadow:0 10px 12px -12px #20373080;border-top-width:1px}.visual-heading{font-size:.64rem;margin-bottom:5px}#figure{min-height:0;padding:3px}#figure svg{max-height:215px;margin:auto}.figure-note{font-size:.7rem;line-height:1.35;margin:5px 0}.graphic-status{font-size:.73rem;line-height:1.3;min-height:0;margin:5px 0}.control-grid{font-size:.72rem;gap:5px 14px}.control-grid input[type=range]{margin:3px 0;height:18px}.control-grid .check{grid-column:auto}.segmented button{font-size:.73rem;padding:5px 8px}.step{min-height:90vh;padding:45px 0 60px;scroll-margin-top:420px}h2{font-size:2.3rem}.step p{font-size:.98rem}.graph-section,.source-section{padding:45px 20px}.graph-toolbar,.graph-layout{display:block}.downloads{margin-top:18px}.graph-layout{margin-top:20px}.graph-layout article{margin-top:25px}.graph-layout h3{font-size:1.5rem}.section-intro{font-size:.95rem}.graph-layout svg{max-height:440px}.step .citations{font-size:.79rem}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{.masthead,.visual,.graph-toolbar{position:static}.story{display:block}.visual{display:none}.step{min-height:0;padding:25px 0;break-inside:avoid}.opening{padding-top:20px}h1{font-size:3rem}.graph-layout{display:block}details{display:block}a{color:inherit}.source-record{break-inside:avoid}footer{background:white;color:black}}