:root{--ink:#1d2321;--paper:#f3f1e8;--white:#fffef8;--yellow:#f0d827;--red:#cf563d;--mint:#d9e5d3;--grey:#696d68;--line:rgba(29,35,33,.23);--sans:Arial,"Helvetica Neue",sans-serif;--serif:Georgia,"Times New Roman",serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65}img{display:block;max-width:100%;height:auto}a{color:inherit}button{font:inherit}.skip{position:fixed;z-index:100;top:-5rem;left:1rem;background:var(--yellow);padding:.7rem 1rem;border:2px solid var(--ink)}.skip:focus{top:1rem}.progress{position:fixed;z-index:90;top:0;left:0;width:100%;height:4px}.progress span{display:block;width:0;height:100%;background:var(--red)}
.site-header{position:relative;z-index:50;border-bottom:1px solid var(--ink);background:var(--paper)}.header-row{max-width:var(--max);min-height:76px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:34px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}.brand>span{display:grid;place-items:center;width:48px;height:48px;background:var(--yellow);border:1px solid var(--ink);font:700 12px var(--mono)}.brand>b{font-size:15px;text-transform:uppercase;letter-spacing:.06em}.nav{margin-left:auto;display:flex;gap:24px}.nav a{text-decoration:none;font-size:12px;font-weight:700}.nav a:hover,.nav a[aria-current=page]{background:var(--yellow);box-shadow:0 5px 0 var(--yellow)}.menu{display:none}.ruler{height:13px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:repeating-linear-gradient(90deg,transparent 0 9px,var(--ink) 9px 10px,transparent 10px 49px,var(--ink) 49px 50px)}.scope{margin:0;padding:5px 28px;text-align:center;font:400 9px/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase}
.home-hero{max-width:var(--max);margin:auto;padding:48px 28px 72px;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}.kicker{display:block;margin-bottom:18px;color:var(--red);font:700 10px/1.4 var(--mono);letter-spacing:.13em}.hero-copy h1,.page-head h1,.article-head h1,.guide-head h1{margin:0;font:900 clamp(3.4rem,7vw,7.4rem)/.82 var(--sans);letter-spacing:-.075em;text-transform:uppercase}.hero-copy>p{max-width:580px;margin:30px 0;font-size:18px}.hero-copy>div{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;min-height:52px;padding:0 20px;align-items:center;justify-content:space-between;gap:38px;background:var(--red);color:white;border:1px solid var(--ink);box-shadow:6px 6px 0 var(--ink);text-decoration:none;font-size:12px;font-weight:800}.button:hover{transform:translate(3px,3px);box-shadow:3px 3px 0 var(--ink)}.line-link{font-size:12px;font-weight:700;text-underline-offset:5px}.hero-image{position:relative;background:var(--yellow);padding:22px 22px 43px;border:1px solid var(--ink);box-shadow:10px 10px 0 var(--ink)}.scale-photo{margin:0}.scale-photo picture{display:block;overflow:hidden;background:#e0ded5}.scale-photo img{width:100%;aspect-ratio:3/2;object-fit:cover}.scale-photo figcaption{margin-top:8px;font:400 9px/1.4 var(--mono);color:var(--grey)}.scale-photo figcaption a{text-underline-offset:3px}.measure-tag,.article-image>span{position:absolute;background:var(--ink);color:var(--yellow);padding:9px 12px;font:700 9px var(--mono);letter-spacing:.05em}.measure-tag{right:-12px;bottom:15px}
.scale-statement{background:var(--ink);color:white;padding:76px max(28px,calc((100vw - var(--max))/2 + 28px));display:grid;grid-template-columns:1fr 1.15fr;gap:7vw;align-items:center}.scale-statement>div{grid-row:1/3;display:flex;align-items:center;gap:12px;font:700 10px var(--mono);color:var(--yellow)}.scale-statement>div i{display:block;flex:1;height:2px;background:var(--yellow);position:relative}.scale-statement>div i:before,.scale-statement>div i:after{content:"";position:absolute;top:-4px;width:1px;height:10px;background:var(--yellow)}.scale-statement>div i:after{right:0}.scale-statement h2{margin:0;font:900 clamp(2.8rem,5vw,5rem)/.9 var(--sans);letter-spacing:-.055em;text-transform:uppercase}.scale-statement p{margin:0;color:#cfd2ce;font-size:17px}
.scale-section{max-width:var(--max);margin:auto;padding:100px 28px}.scale-section>header{display:grid;grid-template-columns:80px 1fr 1fr;gap:28px;align-items:end;margin-bottom:44px}.scale-section>header>span{font:700 11px var(--mono);color:var(--red)}.scale-section h2{margin:0;font:900 clamp(2.8rem,5vw,5.4rem)/.85 var(--sans);text-transform:uppercase;letter-spacing:-.055em}.scale-section header p{margin:0;max-width:420px}.scale-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.scale-card{min-width:0;min-height:330px;background:var(--white);border:1px solid var(--ink);padding:24px;display:flex;flex-direction:column;text-decoration:none;box-shadow:5px 5px 0 var(--ink);transition:.2s}.scale-card:hover{background:var(--yellow);transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}.scale-card>div{display:flex;justify-content:space-between;font:700 10px var(--mono)}.scale-card>div span{display:grid;place-items:center;width:33px;height:33px;background:var(--ink);color:white}.scale-card h3{margin:45px 0 12px;font:900 40px/.9 var(--sans);letter-spacing:-.04em}.scale-card p{margin:0 0 25px;color:var(--grey);font-size:14px}.scale-card i{margin-top:auto;font:700 9px var(--mono);font-style:normal;color:var(--red)}
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.shell{max-width:var(--max);margin:auto;padding:0 28px 100px}.crumbs{padding:22px 0;border-bottom:1px solid var(--line)}.crumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:9px;flex-wrap:wrap;font:400 9px var(--mono);text-transform:uppercase}.crumbs li:not(:last-child):after{content:"/";margin-left:9px}.crumbs a{text-underline-offset:3px}.page-head{padding:76px 0 66px;border-bottom:1px solid var(--ink)}.page-head h1{max-width:1050px}.page-head>p{max-width:760px;margin:28px 0 0;font-size:19px;color:var(--grey)}.hub-grid{margin-top:55px}.essay.compact{max-width:820px;margin:85px auto 0}.essay h2{margin:52px 0 14px;font:900 34px/.98 var(--sans);text-transform:uppercase;letter-spacing:-.035em}.essay p{margin:0;color:#444a46;font-size:17px;line-height:1.82}
.article-head{padding:52px 0 45px;display:grid;grid-template-columns:185px 1fr;gap:45px;align-items:end}.article-head>div{height:100%;min-height:190px;padding:20px;background:var(--yellow);border:1px solid var(--ink);display:flex;flex-direction:column;justify-content:space-between}.article-head>div span{font:900 54px/.9 var(--sans)}.article-head>div b{font:700 10px var(--mono)}.article-head h1{max-width:920px;font-size:clamp(3.2rem,6vw,6.7rem)}.article-head section>p{max-width:760px;margin:20px 0 0;font-size:19px;color:var(--grey)}.article-image{position:relative;background:var(--ink);padding:24px}.article-image figcaption{color:#b9bcb8}.article-image>span{right:12px;top:12px;background:var(--yellow);color:var(--ink)}.article-layout{display:grid;grid-template-columns:190px minmax(0,780px);gap:70px;justify-content:center;margin-top:78px}.article-layout>aside{position:sticky;top:20px;align-self:start;border-top:5px solid var(--yellow);padding-top:16px;display:flex;flex-direction:column;gap:11px;font-size:12px}.article-layout>aside>b{font:700 10px var(--mono);margin-bottom:8px}.article-layout>aside span{display:flex;gap:10px;align-items:center}.article-layout>aside i{display:grid;place-items:center;width:25px;height:25px;background:var(--ink);color:white;font:700 10px var(--mono);font-style:normal}.article-layout>aside p{color:var(--grey)}.standfirst{margin:0 0 58px!important;font:700 25px/1.5 var(--serif)!important;color:var(--ink)!important}.essay>section{margin-bottom:46px}.rule-box{margin:55px 0 30px;padding:25px;background:var(--yellow);border:1px solid var(--ink);box-shadow:6px 6px 0 var(--ink)}.rule-box>b{font:700 10px var(--mono)}.rule-box p{margin-top:10px;color:var(--ink)}.sources{padding-top:25px;border-top:1px solid var(--line);font-size:12px!important}.sources a{text-underline-offset:4px}.next{margin-top:90px;padding:32px;background:var(--ink);color:white;display:grid;grid-template-columns:190px 1fr auto;gap:30px;align-items:center;text-decoration:none}.next:hover{background:var(--red)}.next span{font:700 9px var(--mono);color:var(--yellow)}.next b{font:900 27px/1 var(--sans);text-transform:uppercase}.next i{font-size:30px;font-style:normal}
.guide-head{margin-top:32px;background:var(--ink);color:white;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding-left:42px}.guide-head>div>p{max-width:560px;margin:23px 0 0;color:#d1d3d0;font-size:18px}.guide-head .kicker{color:var(--yellow)}.guide-head .scale-photo{padding:22px}.guide-head figcaption{color:#b9bcb8}.guide-layout{display:grid;grid-template-columns:190px minmax(0,780px);gap:65px;justify-content:center;margin-top:75px}.guide-layout>aside{align-self:start;border-top:5px solid var(--red);padding-top:15px}.guide-layout>aside>b{font:700 10px var(--mono)}.guide-layout>aside p{font-size:13px;color:var(--grey)}.guide-layout>aside span{font:700 9px var(--mono);color:var(--red)}
.directory{list-style:none;margin:55px 0 0;padding:0;border-top:1px solid var(--ink)}.directory li{padding:25px 0;border-bottom:1px solid var(--ink);display:grid;grid-template-columns:1fr 185px;gap:25px;align-items:center}.directory h2{margin:0 0 5px;font:900 25px var(--sans);text-transform:uppercase}.directory p{margin:0;color:var(--grey);font-size:14px}.directory>a{justify-self:end;font:700 9px var(--mono);text-underline-offset:5px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:55px}.about-grid>div{padding:28px;background:var(--white);border:1px solid var(--ink);box-shadow:5px 5px 0 var(--ink)}.about-grid h2{margin:0 0 15px;font:900 27px var(--sans);text-transform:uppercase}.about-grid p{margin:0;color:var(--grey);font-size:14px}.credits{margin-top:95px}.credits h2{margin:0 0 30px;font:900 48px/.9 var(--sans);text-transform:uppercase}.credits ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}.credits li{display:grid;grid-template-columns:150px 1fr 80px;gap:25px;padding:18px 0;border-bottom:1px solid var(--ink);align-items:center;font-size:13px}.credits li>b{text-transform:uppercase}.credits li>a{font:700 9px var(--mono)}.legal{max-width:960px}.legal>section{max-width:760px;margin:55px auto}.legal h2{margin:44px 0 10px;font:900 30px var(--sans);text-transform:uppercase}.legal section p{color:#444a46}.updated{font:700 9px var(--mono)}
.not-found{min-height:72vh;background:var(--yellow);padding:80px 28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.not-found>span{font:700 10px var(--mono)}.not-found>b{margin-top:50px;font:900 clamp(4rem,13vw,12rem)/.75 var(--sans);letter-spacing:-.08em;color:var(--red)}.not-found h1{max-width:800px;margin:30px 0 20px;font:900 clamp(2.8rem,5vw,5rem)/.9 var(--sans);text-transform:uppercase}.not-found p{max-width:600px;margin:0 0 30px}
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a:focus-visible,button:focus-visible{outline:3px solid var(--red);outline-offset:4px}
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@media(max-width:760px){.header-row{padding:0 18px}.scope{padding-inline:18px}.nav{grid-template-columns:1fr 1fr;padding:15px 18px}.home-hero{padding:32px 18px 58px}.hero-copy h1,.page-head h1,.article-head h1,.guide-head h1{font-size:clamp(3rem,14vw,4.9rem)}.hero-image{margin-left:0;padding:16px 16px 37px;box-shadow:6px 6px 0 var(--ink)}.measure-tag{right:6px}.scale-statement{padding:58px 18px;grid-template-columns:1fr;gap:28px}.scale-statement>div{grid-row:auto}.scale-section{padding:75px 18px}.scale-section>header{grid-template-columns:48px 1fr}.scale-section>header p{grid-column:2}.scale-grid{grid-template-columns:1fr}.scale-card{min-height:290px}.distance-feature{grid-template-columns:1fr}.distance-feature>div:first-child{padding:18px}.distance-feature>div:last-child{padding:60px 18px}.three-measures{padding:70px 18px;grid-template-columns:1fr}.three-measures p{min-height:0}.method-call{padding:58px 18px;grid-template-columns:1fr}.method-call>a{grid-column:auto}.final-note{padding:85px 18px}.shell{padding:0 18px 75px}.page-head{padding:58px 0 48px}.page-head>p{font-size:17px}.article-head{grid-template-columns:1fr;gap:20px}.article-head>div{min-height:90px}.article-head>div span{font-size:42px}.article-image{padding:15px}.article-layout,.guide-layout{grid-template-columns:1fr;margin-top:55px}.article-layout>aside{position:static;display:grid;grid-template-columns:repeat(3,1fr)}.article-layout>aside>b,.article-layout>aside p{grid-column:1/-1}.standfirst{font-size:22px!important}.essay h2{font-size:30px}.essay p{font-size:16px}.next{grid-template-columns:1fr auto}.next span{grid-column:1/-1}.guide-head{margin-inline:-18px;padding:35px 0 0;grid-template-columns:1fr}.guide-head>div{padding:0 18px}.guide-head .scale-photo{padding:18px 18px 0}.directory li{grid-template-columns:1fr}.directory>a{justify-self:start}.about-grid{grid-template-columns:1fr}.credits li{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr;gap:42px}.foot-grid>div:first-child{grid-column:1/-1}.foot-grid>div:last-child{grid-column:auto}.foot-base{flex-direction:column}.not-found>b{margin-top:35px}}
@media(max-width:390px){.brand>b{display:none}.nav{grid-template-columns:1fr}.hero-copy>div{align-items:stretch;flex-direction:column}.button{width:100%}.scale-card{padding:20px}.article-layout>aside{grid-template-columns:1fr}.article-layout>aside span{grid-column:1}.method-call>div:first-child span{font-size:72px}.foot-grid{grid-template-columns:1fr}.foot-grid>div:first-child{grid-column:auto}.scope{font-size:8px}.next{padding:24px}.next b{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}