@font-face{font-family:'Young Serif';src:url('fonts/young-serif-latin-400-normal.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Atkinson Hyperlegible';src:url('fonts/atkinson-hyperlegible-latin-400-normal.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Atkinson Hyperlegible';src:url('fonts/atkinson-hyperlegible-latin-700-normal.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
@font-face{font-family:'Caveat';src:url('fonts/caveat-latin-500-normal.woff2') format('woff2');font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:'Caveat';src:url('fonts/caveat-latin-700-normal.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
:root{color-scheme:light;--paper:#fbfaf3;--white:#fff;--ink:#2b2f36;--blue:#2d62b0;--green:#5a8f3c;--green-ink:#3e652a;--sun:#f2b705;--muted:#59616a;--rule:#2d62b026;--serif:'Young Serif',Georgia,serif;--sans:'Atkinson Hyperlegible',system-ui,sans-serif;--hand:'Caveat',Georgia,serif;--gutter:clamp(24px,5vw,88px);--margin:clamp(13px,3vw,48px);--lines:repeating-linear-gradient(0deg,transparent 0 35px,#2d62b012 35px 36px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0;background:var(--paper);color:var(--ink);font:400 clamp(1rem,.25vw + .95rem,1.15rem)/1.7 var(--sans);-webkit-font-smoothing:antialiased}.page{min-width:0}.page-sub{background:var(--paper)}main{overflow:clip}.page-home main{background-image:linear-gradient(90deg,transparent calc(var(--margin) - 1px),#2d62b029 var(--margin),transparent calc(var(--margin) + 1px)),var(--lines)}body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:80;opacity:.035;background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxODAiIGhlaWdodD0iMTgwIj48ZmlsdGVyIGlkPSJuIj48ZmVUdXJidWxlbmNlIHR5cGU9ImZyYWN0YWxOb2lzZSIgYmFzZUZyZXF1ZW5jeT0iLjgiIG51bU9jdGF2ZXM9IjMiIHN0aXRjaFRpbGVzPSJzdGl0Y2giLz48L2ZpbHRlcj48cGF0aCBmaWx0ZXI9InVybCgjbikiIG9wYWNpdHk9Ii42IiBkPSJNMCAwaDE4MHYxODBIMHoiLz48L3N2Zz4=")}
::selection{background:#f2b70570;color:var(--ink)}a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:.24em;overflow-wrap:anywhere;transition:color .2s,background-color .2s}a:hover{color:#1f477f;text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:2px}img{display:block;max-width:100%;height:auto;object-fit:cover}svg{display:block;max-width:100%}figure{margin:0}p{margin:0 0 1.3em}h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.045em;text-wrap:balance;overflow-wrap:normal;word-break:normal;hyphens:manual;margin:0 0 .65em}h1{font-size:clamp(2.8rem,6.6vw,6.7rem)}h2{font-size:clamp(2.3rem,4.7vw,4.7rem)}h3{font-size:clamp(1.45rem,2.1vw,2rem);letter-spacing:-.025em}ul,ol{padding-left:1.3em}li+li{margin-top:.6em}li::marker{color:var(--blue)}strong{font-weight:700}figcaption{font-size:.88rem;color:var(--muted);line-height:1.6;margin-top:1.5rem}button,input,textarea,select{font:inherit}blockquote{margin:2rem 0;padding:1rem 1.5rem;border-left:3px solid var(--sun);font-family:var(--serif)}hr{border:0;border-top:1px solid var(--rule);margin:3rem 0}.wrap{width:min(100% - 2 * var(--gutter),1400px);margin-inline:auto;min-width:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:fixed;top:1rem;left:1rem;z-index:110;background:var(--white);padding:.8rem 1.2rem;transform:translateY(-180%)}.skip-link:focus{transform:none}.scroll-progress{position:fixed;inset:0 0 auto;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;pointer-events:none;z-index:105}.cursor{display:none}.js .cursor.is-ready{display:block;position:fixed;left:0;top:0;width:20px;height:20px;border:1px solid var(--blue);border-radius:50%;pointer-events:none;z-index:100;opacity:0;transition:width .2s,height .2s,background .2s}.cursor.is-ready.is-active{width:44px;height:44px;background:#f2b70525}.word{display:inline-block;vertical-align:bottom;max-width:100%;padding:.08em .09em .15em;margin:-.08em -.09em -.15em;overflow:clip}.word-inner{display:inline-block;max-width:100%;overflow-wrap:break-word}
.site-header{position:fixed;inset:0 0 auto;z-index:90;background:#fbfaf3d9;border-bottom:1px solid var(--rule);transition:transform .3s,background .3s,box-shadow .3s}.site-header.is-scrolled{background:#fbfaf3ed;backdrop-filter:blur(18px);box-shadow:0 4px 24px #2b2f3608}.site-header.is-hidden:not(:focus-within){transform:translateY(-105%)}.header-inner{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:inline-flex;align-items:center;gap:15px;flex-shrink:0;color:var(--ink);text-decoration:none}.brand-name{font:400 clamp(1.5rem,2vw,1.9rem)/1 var(--serif);letter-spacing:-.06em}.brand-mark{position:relative;width:10px;height:31px;background:var(--sun);border:1px solid var(--ink);transform:rotate(25deg);box-shadow:inset 3px 0 #fff6}.brand-mark::after{content:'';position:absolute;bottom:-9px;left:-1px;border-inline:5px solid transparent;border-top:9px solid var(--ink)}.site-nav ul,.footer-nav ul{display:flex;gap:clamp(.8rem,2vw,2rem);list-style:none;padding:0;margin:0}.site-nav li,.footer-nav li{margin:0}.site-nav a{display:block;padding:.7rem 0;color:var(--ink);font-size:.88rem;text-decoration:none;position:relative}.site-nav a::after{content:'';position:absolute;bottom:.45rem;left:0;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}.site-nav a:hover::after,.site-nav a[aria-current]::after{transform:scaleX(1)}
.hero{isolation:isolate;position:relative;min-height:auto;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:center;gap:3rem;margin-top:90px;padding:clamp(48px,7vw,100px) max(var(--gutter),calc((100% - 1400px)/2));background:radial-gradient(ellipse at 85% 25%,#f2b70520,transparent 55%),var(--lines),var(--paper);overflow:clip}.hero::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,#fbfaf3f5 0%,#fbfaf3f5 52%,#fbfaf300 78%)}.hero-canvas{display:block;position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0}.hero-canvas.is-ready{opacity:1}.hero.no-webgl .hero-canvas,html:not(.js) .hero-canvas{opacity:0}.hero-inner{position:relative;inset:auto;transform:none;z-index:3;grid-area:1/1;width:100%;margin:0;text-align:left}.hero-text{max-width:850px;width:100%}.eyebrow{font:500 16px/1.5 var(--hand);color:var(--blue);margin-bottom:1.7rem}.hero .eyebrow{display:flex;align-items:center;gap:1rem}.hero .eyebrow::before{content:'';width:40px;height:1px;background:var(--blue)}.hero h1{max-width:12.5ch;font-size:clamp(3.5rem,7.3vw,7.4rem);line-height:1.04;letter-spacing:-.065em;margin-bottom:.35em}.hero h1 .word:nth-child(2),.hero h1 .word:nth-child(3){color:var(--blue);font-style:italic}.lead{font-size:clamp(1.1rem,1.4vw,1.35rem);line-height:1.65;max-width:62ch}.hero .lead{max-width:47ch;font-size:clamp(1rem,1.25vw,1.2rem)}.hero-media{position:absolute;inset:0;z-index:-1;width:100%;height:100%;max-width:none;margin:0;padding:0;border:0;background:none;box-shadow:none;transform:none;opacity:.42;pointer-events:none;transition:opacity .6s}.hero-media img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;object-position:center}.hero-media::before{content:none}.js .hero.has-scene .hero-media{opacity:0}.js .hero.no-webgl .hero-media,html:not(.js) .hero-media{opacity:.42}.sun-arc{position:absolute;top:18%;left:54%;width:42%;height:auto;aspect-ratio:3/1;max-width:none;z-index:2;pointer-events:none;overflow:visible}.sun-arc-path{fill:none;stroke:var(--blue);stroke-opacity:.6;stroke-width:1.5;stroke-dasharray:3 7}.sun-disc{fill:var(--sun);filter:drop-shadow(0 4px 18px #f2b70540)}.sun-rays{fill:none;stroke:var(--sun);stroke-width:2;stroke-linecap:round}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem 1.8rem;align-items:center;margin:2rem 0}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;font-size:.95rem;font-weight:700;text-decoration:none;padding:.9rem 1.4rem}.btn-primary{background:var(--ink);color:var(--paper);box-shadow:4px 4px 0 var(--sun)}.btn-primary:hover{background:var(--blue);color:white}.btn-ghost{padding-inline:0;border-bottom:1px solid var(--blue)}.btn-ghost::after{content:'\2197';margin-left:.8rem}.hero-meta{list-style:none;padding:1.5rem 0 0;margin:2.5rem 0 0;display:flex;flex-wrap:wrap;gap:.4rem 2rem;border-top:1px solid var(--rule);font-size:.875rem;color:var(--muted);max-width:850px}.hero-meta li{margin:0}.hero-meta li::before{content:'\2713';margin-right:.6rem;color:var(--green-ink)}.hero-scroll{position:absolute;right:var(--gutter);bottom:40px;width:42px;height:55px;border:1px solid var(--rule);border-radius:50%;display:grid;place-items:center;z-index:3}.hero-scroll span{height:22px;width:1px;background:var(--blue);position:relative}.hero-scroll span::after{content:'';position:absolute;bottom:0;left:-4px;width:8px;height:8px;border-right:1px solid var(--blue);border-bottom:1px solid var(--blue);transform:rotate(45deg)}
.section{position:relative;padding-block:clamp(80px,10vw,160px);border-top:1px solid var(--rule)}.section-title{max-width:20ch}.section-head{margin-bottom:clamp(2rem,5vw,5rem)}.section-intro{max-width:62ch;font-size:1.12rem}.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,1fr);gap:clamp(3rem,9vw,9rem);align-items:center}.split-text{max-width:70ch;min-width:0}.split-text>p:not(.eyebrow){max-width:63ch}.answer{font-size:1.16em;line-height:1.65}.margin-note{font-size:16px;line-height:1.5;color:var(--blue);position:relative;padding:2.5rem 1.7rem;max-width:300px;background:#fff5c9;transform:rotate(4deg);box-shadow:3px 7px 0 #2b2f3607,0 15px 35px #4f45200a}.margin-note::before{content:'';position:absolute;top:-12px;left:35%;width:40%;height:25px;background:#ece6cfb0;transform:rotate(-8deg)}.margin-note::after{content:'';display:block;width:80px;height:18px;border-bottom:2px solid var(--green);border-radius:50%;transform:rotate(-8deg);margin-top:1rem}.hand{font:500 clamp(1.6rem,2.4vw,2.2rem)/1.18 var(--hand);color:var(--ink);margin:0}.margin-note .hand{font-size:16px;line-height:1.5;color:var(--blue)}.section-intro-page .section-title{max-width:15ch}
.story{position:relative;padding:4rem 0;background:#eeeee3;border-block:1px solid #2b2f3620}.story-stage{position:relative;isolation:isolate;padding:clamp(35px,5vw,70px) 0}.story-notebook{position:absolute;z-index:-1;inset:10px 2%;background:var(--lines),#fffefa;border:1px solid #d9dcd1;box-shadow:5px 6px 0 #f7f6ee,6px 7px 0 #d9dcd1,12px 14px 30px #2b2f360c;transform:rotate(-.6deg)}.story-inner{position:relative}.story-head{max-width:750px;margin-bottom:4rem}.story-sun{position:absolute;right:0;top:10px;width:35%;pointer-events:none}.story-sun-arc{fill:none;stroke:var(--blue);stroke-opacity:.4;stroke-width:1;stroke-dasharray:3 5}.story-sun-disc{fill:var(--sun)}.story-horizon{fill:none;stroke:var(--blue);stroke-opacity:.3}.story-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem;list-style:none;margin:0;padding:0}.story-step{position:relative;margin:0;min-width:0;border-top:1px solid var(--blue);padding:1.5rem 0}.step-label{font:500 1.7rem/1.1 var(--hand);color:var(--blue);margin-bottom:.8rem}.step-title{font-size:clamp(1.5rem,2.5vw,2.5rem)}.story-step>p:last-of-type{font-size:1rem;max-width:40ch}.doodle-svg{width:100px;height:80px;margin-top:1.5rem}.doodle{fill:none;stroke:var(--green);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.js .story.is-pinned .story-inner{display:grid;grid-template-columns:1fr 1fr;gap:6%;align-items:start;min-height:490px}.js .story.is-pinned .story-head{margin:1rem 0 0}.js .story.is-pinned .story-sun{left:0;top:auto;bottom:0;width:40%}.js .story.is-pinned .story-steps{display:grid;grid-template-columns:1fr;padding:1rem 0}.js .story.is-pinned .story-step{grid-area:1/1;min-height:420px;padding:2.5rem;background:var(--lines),#fffef8;border:1px solid #cad3dd;box-shadow:8px 8px 0 #e6e7dc}.js .story.is-pinned .step-label{font-size:2.5rem}.js .story.is-pinned .doodle-svg{margin-left:auto;width:120px;height:90px}
.chart-section{background:#fbfaf3}.chart-section .section-head{display:grid;grid-template-columns:1.2fr 1fr;column-gap:8%;align-items:end}.chart-section .eyebrow{grid-column:1/-1}.chart-section .section-title{margin-bottom:0}.chart-section .section-intro{margin:0}.chart{background:white;padding:clamp(15px,4vw,60px);border:1px solid var(--rule);box-shadow:7px 7px 0 #eeeee5}.chart-svg{width:100%;height:auto;overflow:visible}.chart-grid{stroke:#2d62b020;stroke-width:1}.chart-zero{stroke:var(--ink);stroke-width:1;stroke-opacity:.55}.chart-tick,.chart-axis{fill:var(--muted);font:14px var(--sans)}.chart-line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.chart-line-math{stroke:var(--blue)}.chart-line-reading{stroke:var(--green-ink)}.chart-dots{stroke:white;stroke-width:2}.chart-dot{r:5}.chart-dot-math{fill:var(--blue)}.chart-dot-reading{fill:var(--green-ink)}.chart-label{font:700 16px var(--sans);paint-order:stroke;stroke:white;stroke-width:6}.chart-label-math{fill:var(--blue)}.chart-label-reading{fill:var(--green-ink)}.chart figcaption{max-width:85ch;border-top:1px solid var(--rule);padding-top:1.2rem}.fact-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5%;list-style:none;padding:0;margin:4rem 0 0}.fact{margin:0;border-top:1px solid var(--ink);padding-top:1.5rem}.fact-num{display:block;font:400 clamp(4rem,8vw,8rem)/1 var(--serif);letter-spacing:-.08em;color:var(--blue)}.fact-label{display:block;font-size:.95rem;line-height:1.5;max-width:29ch;margin-top:1.2rem}
.help{background:#f0f2e7}.help-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5%}.help-item{min-width:0;border-top:1px solid #5a8f3c60;padding-top:1.5rem}.help-item .doodle-svg{width:110px;height:90px;margin:0 0 2rem}.help-item p{font-size:1rem}.section-after .margin-note{background:white;transform:rotate(-3deg)}.section-after .section-title{max-width:14ch}.chapters{background:var(--paper)}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5rem 3rem}.card{min-width:0;display:flex;flex-direction:column;border-bottom:1px solid var(--rule);background:radial-gradient(circle at var(--mx,50%) var(--my,50%),#f2b7050b,transparent 70%)}.card:first-child{grid-column:1/-1;display:grid;grid-template-columns:1.25fr 1fr;gap:4rem;align-items:center}.card-media{overflow:hidden;background:#e9e7db}.card-media img{width:100%;aspect-ratio:16/10;transition:filter .4s}.card:hover .card-media img{filter:saturate(1.1)}.card-body{min-width:0;padding:2rem 0}.card-title{font-size:clamp(1.7rem,2.6vw,2.6rem);max-width:24ch}.card-text{max-width:52ch;font-size:1rem}.card-link{display:inline-block;padding:.7rem 0;font-size:.95rem;font-weight:700}.card-link::after{content:'\2197';display:inline-block;margin-left:.7rem;transition:transform .2s}.card-link:hover::after{transform:translate(3px,-3px)}.start-list{list-style:decimal-leading-zero;margin:5rem 0 0;padding:2rem 2rem 2rem 4rem;border-block:1px solid var(--rule);background:var(--lines)}.start-list li{padding:.4rem 0 .4rem 1rem}.start-list li::marker{font:500 1.5rem var(--hand)}.partners-slot{height:3rem}.section-partners{background:white}.section-partners .section-title{margin-inline:var(--gutter)}.partner-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem;width:min(100% - 2 * var(--gutter),1400px);margin:3rem auto 0;padding:0;list-style:none}.partner{min-width:0;margin:0;padding:1.5rem 0;border-top:1px solid var(--rule);overflow-wrap:anywhere}.partner-link{font-weight:700;overflow-wrap:anywhere}.partner-phrase{font:400 1.4rem/1.3 var(--serif);margin:1rem 0}.partner-desc{font-size:1rem;color:var(--muted);margin:0;overflow-wrap:anywhere}
.article{padding:140px 0 100px;background:linear-gradient(90deg,transparent calc(var(--margin) - 1px),#2d62b020 var(--margin),transparent calc(var(--margin) + 1px))}.breadcrumb{display:flex;flex-wrap:wrap;gap:.4rem .7rem;font-size:.875rem;line-height:1.5;color:var(--muted);margin-bottom:3rem}.breadcrumb span{min-width:0;overflow-wrap:anywhere}.page-header{margin-bottom:5rem}.page-header h1{max-width:22ch;margin-bottom:.5em}.page-header .lead{max-width:63ch;margin-left:25%}.page-header .eyebrow{margin-bottom:1.5rem}.page-hero{position:relative;width:calc(100% + 2 * var(--gutter));max-width:none;margin:4rem calc(-1 * var(--gutter)) 0;overflow:hidden;background:#e9e7db}.page-hero img{width:100%;aspect-ratio:2.65/1;max-height:650px}.article-layout{display:grid;grid-template-columns:minmax(150px,1fr) minmax(0,3fr);gap:5%;align-items:start}.toc{position:sticky;top:125px;max-height:calc(100svh - 150px);overflow:auto;font-size:.94rem;border-top:1px solid var(--blue);padding:1rem 0}.toc-title{font:500 1.8rem var(--hand);color:var(--blue);margin:0}.toc ol{padding-left:1.2rem;margin-top:.6rem}.toc a{display:inline-block;padding:.3rem 0;text-decoration:none}.toc a:hover{text-decoration:underline}.prose{min-width:0;max-width:800px;background:repeating-linear-gradient(to bottom,#fff 0,#fff 31px,rgba(45,98,176,.07) 31px,rgba(45,98,176,.07) 32px);padding:clamp(22px,3.7vw,60px);border:1px solid #2d62b018;border-bottom:1px dashed rgba(45,98,176,.3);box-shadow:none;font-size:clamp(1.05rem,.3vw + 1rem,1.18rem);line-height:1.8}.article>.wrap>.prose{margin-left:25%}.prose :is(p,li){overflow-wrap:anywhere}.prose h2{font-size:clamp(1.8rem,2.7vw,2.7rem);margin:2.5rem 0 .8em;padding-top:1rem;border-top:1px solid var(--rule);scroll-margin-top:125px}.prose>h2:first-child{margin-top:0}.prose h3{font-size:clamp(1.4rem,2vw,1.8rem);margin:1.8em 0 .7em;scroll-margin-top:125px}.prose .answer{font-size:1.08em}.prose li{padding-left:.2rem;margin-bottom:.7rem}.note{padding:1.5rem;margin:2rem 0;background:#fff8dc;border-left:3px solid var(--sun);font-size:1rem}.note p:last-child{margin-bottom:0}.quick-answer{margin-top:0;background:#f2f5ec;border-left-color:var(--green)}.quick-answer>strong:first-child{display:block;color:var(--green-ink);margin-bottom:.5rem}.sources{margin-top:4rem;font-size:.9rem;color:var(--muted)}.sources h2{font-size:2rem;color:var(--ink)}.sources ul{padding-left:1.1rem}.sources li{margin-bottom:1rem}.related{margin-top:3rem}.related h2{font-size:2rem}.related ul{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;list-style:none;padding:0}.related li{padding:0;margin:0}.data-table{max-width:100%;overflow-x:auto;margin:2rem 0}table{border-collapse:collapse;width:100%;font-size:.9rem;font-variant-numeric:tabular-nums;line-height:1.5}caption{font-weight:700;text-align:left;margin-bottom:1rem}th,td{padding:.85rem .65rem;text-align:left;border-bottom:1px solid var(--rule)}thead{background:var(--blue);color:white}tbody tr:nth-child(even){background:#f3f5f8}.data-table figcaption{font-size:.875rem}.site-footer{padding:4rem 0;border-top:1px solid #2b2f3633;background:#eeeee4}.footer-inner{display:grid;grid-template-columns:1fr 1fr;gap:10%}.footer-note{max-width:58ch;font-size:.88rem;color:var(--muted);margin:0}.footer-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:.4rem 1.5rem}.footer-nav a{display:inline-block;padding:.25rem 0;font-size:.9rem;color:var(--ink)}[data-parallax].is-ready{overflow:hidden}
@media(min-width:1500px){.hero h1{font-size:7.8rem}.hero-inner{padding-left:4%}}
@media screen and (min-width:900px){
  .js .story.is-pinned{background:var(--lines),#fffefa}
  .js .story.is-pinned .story-stage{height:100vh;display:flex;align-items:center;padding:4rem 0}
  .js .story.is-pinned .story-notebook{inset:1.5rem;transform:none}
  .js .story.is-pinned .story-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:auto auto;gap:2rem 6%;align-items:center;min-height:0}
  .js .story.is-pinned .story-head{grid-column:1;grid-row:1;margin:0;align-self:end}
  .js .story.is-pinned .story-sun{position:static;grid-column:1;grid-row:2;width:90%;align-self:start;margin:0}
  .js .story.is-pinned .story-steps{grid-column:2;grid-row:1 / 3;align-self:stretch;min-height:clamp(480px,68vh,720px);padding:0}
  .js .story.is-pinned .story-step{display:flex;flex-direction:column;min-height:0;padding:clamp(1.5rem,3vw,2.5rem)}
  .js .story.is-pinned .doodle-svg{flex-shrink:0;align-self:flex-end;width:160px;height:120px;margin:auto 0 0 auto}
}
@media(max-width:1050px){.header-inner{gap:1rem}.site-nav ul{gap:1rem}.site-nav a{font-size:.875rem}.hero h1{font-size:clamp(3.5rem,7.6vw,6.3rem)}.hero .lead{max-width:42ch}.split{gap:3rem}.story-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.story-sun{top:0;width:28%}.card:first-child{gap:2rem}.article-layout{gap:3%;grid-template-columns:minmax(140px,1fr) minmax(0,3fr)}}
@media(max-width:899px){.header-inner{min-height:108px;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;padding-block:12px}.site-nav{max-width:100%;width:100%}.site-nav ul{justify-content:space-between;gap:.7rem}.site-nav a{padding:.3rem 0}.hero{margin-top:108px;grid-template-columns:minmax(0,1fr);padding-top:calc((100vw - 2 * var(--gutter))/3 + 64px)}.hero::before{background:linear-gradient(180deg,#fbfaf300 0,#fbfaf3f5 calc((100vw - 2 * var(--gutter))/3 + 48px),#fbfaf3f5 100%)}.sun-arc{top:24px;left:var(--gutter);width:calc(100% - 2 * var(--gutter));height:auto}.hero h1{max-width:13ch}.hero .lead{max-width:40ch}.hero-meta{max-width:85%}.story-head{max-width:75%}.story-sun{position:relative;margin:0 0 2rem auto;width:55%}.story-step{padding:2rem;background:#fffefa}.chart-section .section-head{display:block}.chart-section .section-intro{margin-top:1.5rem}.help-grid{gap:2rem}.help-item h3{font-size:1.5rem}.partner-list{grid-template-columns:repeat(2,minmax(0,1fr))}.page-header .lead{margin-left:0}.article>.wrap>.prose{margin-inline:auto}.toc{top:135px}.prose{padding:25px}.page-header{margin-bottom:3rem}}
@media(max-width:640px){.site-nav ul{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:4px 16px}.site-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}}
@media(max-width:600px){:root{--gutter:24px;--margin:12px}html{scroll-padding-top:130px}.header-inner{min-height:108px}.brand-name{font-size:1.4rem}.brand-mark{height:23px;width:8px}.brand-mark::after{border-inline-width:4px}.hero{align-items:flex-start}.hero-text{width:100%}.hero h1{font-size:clamp(3.1rem,11.5vw,4.3rem);max-width:12ch}.hero .eyebrow{margin-bottom:1.3rem}.hero .lead{max-width:100%;font-size:1.02rem}.hero-actions{gap:.8rem 1.2rem;margin:1.7rem 0}.btn{font-size:.875rem;padding:.8rem 1rem}.btn-ghost{padding-inline:0}.hero-meta{max-width:100%;margin-top:2rem;font-size:.875rem}.hero-scroll{display:none}.section{padding-block:75px}.split{grid-template-columns:1fr;gap:2.5rem}.margin-note{justify-self:end;max-width:260px;margin-right:8px}.section-title{font-size:clamp(1.875rem,8vw,2.25rem)}.section-intro{font-size:1.05rem}.story{padding:1.5rem 0}.story-notebook{inset:0 8px;transform:none}.story-head{max-width:100%;margin-bottom:1rem}.story-sun{width:85%;margin-bottom:2rem}.story-steps{grid-template-columns:1fr;gap:1.5rem}.story-step{padding:1.5rem;border:1px solid var(--rule);box-shadow:3px 4px 0 #e9e9df}.step-label{font-size:1.8rem}.step-title{font-size:2rem}.story-step .doodle-svg{margin-left:auto}.chart{padding:12px}.chart-svg{min-width:0}.chart-tick,.chart-axis{font-size:14px}.chart-label{font-size:18px}.chart figcaption{font-size:.875rem}.fact-list{grid-template-columns:1fr;gap:1.5rem;margin-top:3rem}.fact{display:grid;grid-template-columns:75px 1fr;gap:1.2rem;align-items:center}.fact-num{font-size:4.3rem}.fact-label{margin:0;max-width:none}.help-grid{grid-template-columns:1fr;gap:2rem}.help-item{position:relative;padding-top:2rem}.help-item .doodle-svg{width:75px;height:60px;margin-bottom:1.3rem}.help-item h3{font-size:1.8rem}.card-grid{grid-template-columns:1fr;gap:3rem}.card:first-child{display:flex;grid-column:auto;gap:0}.card-media{margin-inline:calc(-1 * var(--gutter))}.card-media img{aspect-ratio:4/3}.card-body{padding:1.5rem 0}.card-title{font-size:2rem}.start-list{margin-top:3rem;padding:1.5rem 1rem 1.5rem 2rem;font-size:1rem}.start-list li{padding-left:.3rem}.partner-list{grid-template-columns:1fr;gap:1rem}.article{padding-top:145px;padding-bottom:70px}.breadcrumb{font-size:.875rem;margin-bottom:2rem}.page-header h1{font-size:clamp(2.55rem,9.5vw,3.5rem);max-width:100%;letter-spacing:-.055em}.page-header .lead{font-size:1.1rem}.page-hero{margin-top:2rem}.page-hero img{aspect-ratio:4/3}.article-layout{display:block}.toc{position:static;max-height:none;margin-bottom:2rem;padding:1rem 0;border-bottom:1px solid var(--rule)}.toc ol{columns:2;column-gap:1.5rem;font-size:.875rem}.toc li{break-inside:avoid;margin:0 0 .5rem}.prose{padding:24px 18px;margin-inline:-8px;font-size:1.06rem}.article>.wrap>.prose{margin-inline:-8px}.prose h2{font-size:clamp(1.5rem,6.8vw,1.75rem)}.note{padding:1.2rem}.prose h3{font-size:1.5rem}th,td{padding:.7rem .35rem;font-size:.875rem}.footer-inner{grid-template-columns:1fr;gap:2rem}.site-footer{padding:3rem 0}}
/* Keep animated heading words intact and compact the audited section gaps. */
:is(h1,h2,h3) :is(a,.word-inner){overflow-wrap:normal;word-break:normal;hyphens:manual;text-wrap:balance}
:is(h1,h2,h3) .word-inner{white-space:nowrap}
.chart-section.section,.chapters.section{padding-bottom:3rem}
.help.section{padding-top:clamp(3rem,5vw,5rem)}
/* Preserve legible SVG type instead of shrinking labels with the chart. */
.chart{overflow-x:auto}
.chart-svg{min-width:760px}
@media(max-width:899px){
  .story:not(.is-pinned) .story-step{min-height:0;padding:1.25rem}
  .story:not(.is-pinned) .story-step>p:last-of-type{margin-bottom:.5rem}
  .story:not(.is-pinned) .doodle-svg{margin:.5rem 0 0 auto}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.hero-canvas,.cursor{display:none!important}.js .hero.has-scene .hero-media,.hero .hero-media{opacity:.42}.word-inner,[data-reveal],.story-step,.chart-dot,.chart-label{opacity:1!important;visibility:visible!important;transform:none!important}.doodle,.chart-line{stroke-dashoffset:0!important;stroke-dasharray:none!important}[data-parallax] img{transform:none!important}.site-header.is-hidden{transform:none}}
@media print{body,main,.article,.prose{background:white!important;color:black;box-shadow:none}body::after,.site-header,.site-footer,.cursor,.scroll-progress,.hero-canvas,.sun-arc,.story-sun,.hero-scroll,.toc,.partners-slot{display:none!important}.wrap{width:100%}.section,.article,.hero{padding:1rem 0;min-height:0}.hero{margin-top:0;display:block}.hero::before,.hero .hero-media{display:none!important}.article-layout,.story-inner,.story-steps{display:block!important}.story-stage{position:static!important;transform:none!important}.pin-spacer{height:auto!important;padding:0!important}.story-step{position:relative!important;opacity:1!important;visibility:visible!important;transform:none!important}.word-inner,[data-reveal],.chart-dot,.chart-label{opacity:1!important;visibility:visible!important;transform:none!important}.chart-line,.doodle{stroke-dashoffset:0!important}.prose,.article>.wrap>.prose{max-width:none;margin:0}.page-hero{width:100%;margin:1rem 0}.hero-text{width:100%}a{color:inherit}figure,.note{break-inside:avoid}}