@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibmplexmono-normal.woff2) format('woff2')}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:400 500;font-display:swap;src:url(fonts/newsreader-italic.woff2) format('woff2')}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:400 600;font-display:swap;src:url(fonts/newsreader-normal.woff2) format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/sourcesans3-normal.woff2) format('woff2')}:root{--bg:#F7F4EE;--surf:#FFFDFA;--oat:#E9E2D7;--clay:#C9BEB0;--ink:#30362F;--mut:#64645A;--acc:#496650;--sig:#9B4836;--f1:'Newsreader',Georgia,serif;--f2:'Source Sans 3',system-ui,sans-serif;--f3:'IBM Plex Mono',ui-monospace,monospace;--e:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--f2);-webkit-font-smoothing:antialiased}
.mono{font-family:var(--f3);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
a{color:var(--acc);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .35s var(--e)}a:hover,a:focus-visible{background-size:100% 1px}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--surf);padding:8px 12px;z-index:99}
.rp{position:fixed;top:0;left:0;height:3px;width:0;background:var(--acc);z-index:50}
.top{position:sticky;top:0;z-index:40;display:flex;justify-content:space-between;align-items:center;padding:12px 32px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--oat)}
.brand{display:flex;gap:10px;align-items:center;font:500 1.15rem var(--f1);color:var(--ink);background:none}.brand em{font-style:italic;color:var(--acc)}
.topnav{position:relative}.topnav #tn-l{display:flex;gap:18px;font-size:.88rem}.topnav #tn-l a{color:var(--ink);white-space:nowrap}.mb{display:none}
h1,h2,h3{font-family:var(--f1);font-weight:450;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.4vw,3.05rem);margin:.2em 0 .3em}h2{font-size:1.56rem;margin:1.8em 0 .5em}h3{font-size:1.25rem;margin:.3em 0}
.lede{font:italic 400 1.3rem/1.5 var(--f1);color:var(--mut);max-width:34em}
/* home */
.scene{position:relative}.scene canvas{position:sticky;top:0;display:block;width:100%;height:100vh;margin-bottom:-100vh}
.hero,.step{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:0 8vw;max-width:46rem;pointer-events:none}
.hero h1{font-size:clamp(2.6rem,6.6vw,5rem)}.hero h1 em{color:var(--acc)}.hint{margin-top:3rem;animation:nudge 2.4s var(--e) infinite}@keyframes nudge{50%{transform:translateY(8px);opacity:.5}}
html,body{overflow-x:clip}
.step{min-height:90vh;opacity:.15;transform:translateY(24px);transition:all .7s var(--e)}.step.on{opacity:1;transform:none}.step h2{font-size:clamp(2rem,4vw,3rem);margin-top:.2em}.step p{max-width:28em}
.go{display:inline-block;margin:.6rem 1rem .6rem 0;padding:.65em 1.2em;border:1px solid var(--acc);border-radius:99px;pointer-events:auto;transition:.3s var(--e);background:none}.go:hover{background:var(--acc);color:var(--surf)}
.read{display:grid;grid-template-columns:1fr 1fr;gap:4rem;padding:8rem 8vw;border-top:1px solid var(--oat);position:relative;background:var(--bg)}
.fb{padding:2rem 8vw}
/* article */
.art{display:grid;grid-template-columns:minmax(150px,1fr) minmax(0,3fr) minmax(200px,1fr);gap:48px;max-width:1280px;margin:0 auto;padding:48px 32px 96px}
.rail{position:sticky;top:96px;align-self:start;font-size:.88rem}.id{margin-bottom:12px}
.tr{list-style:none;margin:0;padding:0 0 0 18px;border-left:1px solid var(--clay);position:relative}
.tr li{margin:.55em 0;position:relative}.tr li::before{content:'';position:absolute;left:-23px;top:.45em;width:9px;height:9px;border-radius:50%;background:var(--bg);border:1px solid var(--clay);transition:.3s var(--e)}
.tr li.on::before{background:var(--acc);border-color:var(--acc);transform:scale(1.35)}.tr li.on a{color:var(--ink)}.tr a{color:var(--mut);background:none}
article{max-width:42rem}article p{margin:.9em 0;max-width:65ch}.crumb{font-size:.85rem;color:var(--mut)}
article section{scroll-margin-top:90px;position:relative}.anc{position:absolute;margin-left:-1.1em;padding-right:.4em;opacity:0;color:var(--clay);background:none}h2:hover .anc,.anc:focus{opacity:1}
.ann{position:sticky;top:96px;align-self:start;font-size:.95rem}.ann h2{font:500 .78rem var(--f3);text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:0 0 .6em}
.kp{list-style:none;padding:0;margin:0 0 2em}.kp li{padding:.6em 0 .6em 1.4em;border-top:1px solid var(--oat);position:relative;transition:.25s}.kp li::before{content:'';position:absolute;left:0;top:1.05em;width:7px;height:7px;background:var(--acc);border-radius:2px;transition:.3s var(--e)}.kp li:hover{padding-left:1.8em}.kp li:hover::before{transform:rotate(45deg)}
.rel{list-style:none;padding:0}.rel li{margin:.4em 0}
.pnav{display:flex;justify-content:space-between;gap:16px;margin-top:4rem;border-top:1px solid var(--clay);padding-top:1.4rem}.pn{display:block;max-width:48%;color:var(--ink);background:none}.pn small{display:block;font:.72rem var(--f3);text-transform:uppercase;color:var(--mut)}.pn.r{text-align:right}.pn:hover{color:var(--acc)}
/* sections, cards */
.sechead{max-width:1280px;margin:0 auto;padding:72px 32px 24px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;background:var(--oat);max-width:1280px;margin:0 auto 96px;border:1px solid var(--oat)}
.card{display:block;background:var(--surf);padding:28px;color:var(--ink);transition:background .3s var(--e),transform .3s var(--e);position:relative;background-image:none}.card:hover{background:var(--bg)}.card p{color:var(--mut);margin:.4em 0 0;font-size:.95rem}.card h3{transition:color .3s}.card:hover h3{color:var(--acc)}
.q{width:100%;max-width:640px;font:1.3rem var(--f1);padding:.6em .2em;border:0;border-bottom:2px solid var(--clay);background:none;color:var(--ink)}.q:focus{outline:0;border-color:var(--acc)}.sr{position:absolute;left:-999px}
.foot{display:flex;justify-content:space-between;gap:2rem;padding:40px 32px;background:var(--oat);font-size:.9rem;position:relative}
.sec-C .tr li.on::before,.sec-C .kp li::before{background:var(--sig)}
@media(max-width:1000px){.art{grid-template-columns:1fr;gap:24px}.rail,.ann{position:static}.rail .tr{display:flex;flex-wrap:wrap;gap:6px 18px;border:0;padding:0}.tr li::before{display:none}.read{grid-template-columns:1fr;gap:2rem}}
@media(max-width:1560px){.mb{display:block;background:none;border:1px solid var(--clay);border-radius:99px;padding:.4em 1em;font:inherit;color:var(--ink)}.topnav #tn-l{display:none;position:absolute;right:0;top:44px;flex-direction:column;background:var(--surf);padding:16px 20px;border:1px solid var(--oat);min-width:260px}.topnav.open #tn-l{display:flex}.top{padding:10px 20px}}
@media(max-width:860px){.foot{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.step{opacity:1;transform:none}}
.fig{margin:2rem 0;padding:1.2rem;background:var(--surf);border:1px solid var(--oat);border-radius:4px}.fig svg{width:100%;height:auto;display:block;color:var(--ink);font-family:var(--f2)}.fig figcaption{margin-top:.8rem}
.qs{list-style:none;padding:0;margin:1rem 0;counter-reset:q}.qs li{counter-increment:q;position:relative;padding:.9rem 0 .9rem 3rem;border-top:1px solid var(--oat);max-width:65ch;transition:padding .3s var(--e)}.qs li::before{content:counter(q,decimal-leading-zero);position:absolute;left:0;top:1.05rem;font:.78rem var(--f3);color:var(--acc)}.qs li:hover{padding-left:3.3rem}