:root{--ink:#141416;--paper:#fafafa;--muted:#626269;--line:#dddde2;--blue:#225ae9;--radius:22px;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #537bff;outline-offset:5px}button{color:inherit}::selection{background:#225ae9;color:white}.skip{position:fixed;top:-100px;z-index:99;background:white;padding:15px}.skip:focus{top:0}.wrap{width:min(1280px,calc(100% - 104px));margin:auto}.top{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff24;color:white;position:relative;z-index:5}.brand{display:flex;gap:12px;align-items:center;font-size:18px;letter-spacing:-.5px;font-weight:600}.brand svg{width:31px;height:31px}.brand b{font-weight:400;color:#aaaab3}.top nav{display:flex;gap:30px;align-items:center;font-size:14px}.top nav a{padding:10px 0}.top nav a:hover{opacity:.65}.top nav .nav-pill{border:1px solid #ffffff5a;border-radius:30px;padding:10px 20px}.dark{background:#09090b;color:white;overflow:hidden}.hero{min-height:650px;height:calc(100svh - 88px);max-height:860px;position:relative;display:flex;align-items:center}.hero-photo{position:absolute;inset:-88px 0 0 28%;background:url('/atlas/assets/perspectiva.webp') center/cover no-repeat;opacity:.83;animation:photoIn 1.3s ease-out}.hero-photo:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#09090b,transparent 48%),linear-gradient(0deg,#09090b 1%,transparent 35%)}.hero-content{z-index:1;position:relative;width:690px;padding:56px 0 130px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:2.4px;text-transform:uppercase;display:flex;gap:16px;align-items:center}.eyebrow:before{content:'';width:25px;height:1px;background:currentColor}h1,h2,h3,p{margin:0}.hero h1{font-size:clamp(64px,7.5vw,106px);line-height:1.02;letter-spacing:-6px;font-weight:500;margin:28px 0}.hero h1 span{color:#b5b5bd}.hero p{font-size:19px;line-height:1.6;color:#c1c1c9;max-width:410px}.hero-actions{display:flex;gap:25px;align-items:center;margin-top:34px}.pill{display:inline-flex;align-items:center;gap:22px;padding:16px 25px;background:white;color:#151517;border-radius:30px;font-size:14px;font-weight:600;transition:transform .2s,background .2s}.pill:hover{transform:translateY(-2px);background:#e6e6ec}.text-link{font-size:14px;border-bottom:1px solid #6c6c75;padding:10px 0}.hero-bottom{position:absolute;bottom:34px;left:0;right:0;display:flex;justify-content:space-between;color:#b1b1b9;font-size:12px;letter-spacing:.5px;border-top:1px solid #ffffff28;padding-top:22px}.hero-bottom span:last-child{color:#e1e1e5}.section{padding:110px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:56px;gap:40px}.section-head h2{font-size:clamp(36px,4vw,56px);line-height:1.07;letter-spacing:-2.4px;font-weight:500;margin-top:20px}.section-head>p{max-width:355px;font-size:17px;line-height:1.6;color:var(--muted)}.method-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.stage-ring{width:100%;height:auto;display:block}.stage-ring .orbit{fill:none;stroke:#d7d7dd;stroke-width:1}.stage-ring .ray{stroke:#d7d7dd;stroke-width:1}.stage-ring .node{fill:#f1f1f4;stroke:#ceced6;stroke-width:1;transition:fill .2s}.stage-ring .on .node{fill:#151517;stroke:#151517}.stage-ring .letter{fill:#55555e;font-size:20px;font-weight:500}.stage-ring .on .letter{fill:white}.stage-ring text{font-family:inherit;text-anchor:middle}.stage-ring .center-main{font-size:32px;letter-spacing:-1px;font-weight:500}.stage-ring .center-small{font-size:12px;fill:#64646c;letter-spacing:2px}.stage-choice{display:flex;gap:7px;flex-wrap:wrap}.stage-choice button{border:1px solid #d5d5dc;border-radius:50%;background:transparent;width:43px;height:43px;font-size:14px;transition:.2s}.stage-choice button[aria-pressed=true]{background:#171719;border-color:#171719;color:white}.stage-number{font-size:12px;color:var(--muted);letter-spacing:1.8px;margin:34px 0 12px}.stage-panel h3{font-size:36px;letter-spacing:-1.4px;font-weight:500}.stage-panel p{font-size:18px;line-height:1.65;color:var(--muted);margin:16px 0 22px;max-width:440px}.stage-panel .deliverable{border-top:1px solid var(--line);padding-top:20px;max-width:440px;font-size:15px;line-height:1.6}.deliverable b{display:block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-bottom:6px}.stage-panel a{display:inline-block;font-size:15px;margin-top:22px;border-bottom:1px solid #161618;padding-bottom:6px}.diagram-note{font-size:13px;line-height:1.6;color:var(--muted);margin:22px auto 0;max-width:420px;text-align:center}.tools-section{background:#ededf0}.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tool-card{background:white;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;min-height:360px;transition:transform .25s,box-shadow .25s}.tool-card:hover{transform:translateY(-6px);box-shadow:0 22px 40px #17171a0c}.tool-meta{font-size:12px;color:var(--muted);letter-spacing:1.2px;text-transform:uppercase;display:flex;justify-content:space-between}.tool-card h3{font-size:27px;font-weight:500;letter-spacing:-1px;margin:22px 0 12px}.tool-card p{font-size:16px;line-height:1.6;color:var(--muted)}.mini-matrix{display:grid;grid-template-columns:1fr 1fr;gap:5px;width:150px;height:110px;margin:28px 0 0}.mini-matrix span{border:1px solid #dcdce3;background:#f6f6f8;border-radius:8px;display:grid;place-items:center;font-size:15px}.mini-matrix span:first-child{background:#171719;color:white;border-color:#171719}.tool-card svg{height:110px;width:170px;margin-top:28px}.card-arrow{align-self:flex-end;margin-top:auto;font-size:22px}.footer{border-top:1px solid var(--line);padding:35px 0 50px;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted)}.footer .brand{color:var(--ink)}.footer p{line-height:1.8;text-align:right}.article-header .top{color:var(--ink);border-color:var(--line)}.article-header .top nav .nav-pill{border-color:#c7c7cf}.crumb{font-size:13px;color:var(--muted);padding:30px 0;display:flex;gap:10px}.article-hero{padding:32px 0 66px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;border-bottom:1px solid var(--line)}.article-hero.simple{grid-template-columns:1fr;max-width:100%}.article-hero h1{font-size:clamp(50px,6vw,84px);font-weight:500;letter-spacing:-4px;line-height:1.05;margin:25px 0}.article-hero .intro{font-size:21px;line-height:1.5;color:var(--muted);max-width:590px}.article-meta{font-size:13px;color:var(--muted);margin-top:28px;display:flex;gap:16px;flex-wrap:wrap}.chart-box{padding:28px;border:1px solid #dcdce2;border-radius:22px;background:#f1f1f4}.chart-top{display:flex;justify-content:space-between;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#666671;gap:20px}.chart-value{font-size:42px;letter-spacing:-2px;margin:22px 0 8px}.chart-value small{font-size:16px;letter-spacing:0;color:#666671;margin-left:8px}.chart-box svg{display:block;width:100%;height:auto}.segment{display:flex;background:#dedee5;padding:4px;border-radius:30px;margin-top:16px}.segment button{flex:1;padding:10px 8px;border:0;background:transparent;border-radius:25px;font-size:13px}.segment button[aria-pressed=true]{background:white;box-shadow:0 2px 6px #0000000c}.chart-explain{font-size:13px;line-height:1.6;min-height:62px;margin-top:16px;color:#62626b}.reading-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:80px;padding-top:62px;justify-content:space-between}.toc{position:sticky;top:30px;align-self:start}.toc-label{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#7a7a83;margin-bottom:20px}.toc a{display:block;font-size:14px;line-height:1.4;color:#71717a;padding:8px 0;transition:color .2s}.toc a:hover{color:#171719}.toc .back{color:#171719;border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.article-body{padding-bottom:90px;font-size:18px;line-height:1.78;overflow-wrap:break-word;min-width:0}.article-body h2{font-size:30px;font-weight:500;letter-spacing:-.9px;line-height:1.2;margin:50px 0 23px;scroll-margin-top:30px}.article-body h2:first-child{margin-top:0}.article-body p{margin:0 0 22px;color:#42424b}.article-body a{color:#2355c9;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.article-body li{margin:10px 0}.article-body ul{padding-left:23px}.table-wrap{margin:28px 0 35px;overflow:auto;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6;text-align:left}th,td{padding:15px 18px;border-bottom:1px solid #e3e3e8;vertical-align:top}th{font-weight:600;background:#efeff3}td{color:#53535e}tr:last-child td{border-bottom:0}.related{padding:38px 0;border-top:1px solid var(--line)}.related p{font-size:13px;color:var(--muted);margin-bottom:18px}.related-links{display:flex;gap:14px;flex-wrap:wrap}.related-links a{border:1px solid var(--line);padding:12px 18px;border-radius:28px;font-size:14px}.prototype-note{font-size:12px;color:#6b6b74;margin:30px 0;line-height:1.6}.fade-enter{animation:fade .5s ease-out}@keyframes fade{from{opacity:.2;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes photoIn{from{opacity:.3;transform:scale(1.03)}to{opacity:.83;transform:scale(1)}}@media(min-width:1600px){.hero-content{padding-bottom:160px}}@media(max-width:1000px){.wrap{width:calc(100% - 64px)}.hero h1{letter-spacing:-4px}.hero-content{width:560px}.method-layout{gap:35px}.reading-layout{gap:40px;grid-template-columns:180px minmax(0,1fr)}.article-hero{gap:30px}.tool-card{padding:23px}.article-hero h1{letter-spacing:-2.5px}.chart-box{padding:20px}}@media(max-width:700px){.wrap{width:calc(100% - 40px)}.top{height:74px}.brand{font-size:16px;gap:8px}.top nav{gap:17px;font-size:13px}.top nav .nav-pill{display:none}.hero{min-height:760px;height:calc(100svh - 74px);max-height:950px;align-items:flex-start}.hero-photo{inset:200px -80px 0 -60px;opacity:.74;background-position:57% center}.hero-photo:after{background:linear-gradient(180deg,#09090b,transparent 45%),linear-gradient(0deg,#09090b,transparent 40%)}.hero-content{width:100%;padding:45px 0}.hero h1{font-size:61px;line-height:1.02;letter-spacing:-3.5px;margin:24px 0}.hero p{font-size:17px;max-width:310px}.eyebrow{font-size:11px}.hero-actions{gap:20px;margin-top:26px}.pill{padding:14px 20px;font-size:13px}.text-link{font-size:13px}.hero-bottom{font-size:11px;gap:15px;bottom:24px}.hero-bottom span{max-width:50%}.section{padding:72px 0}.section-head{display:block;margin-bottom:34px}.section-head h2{font-size:39px;letter-spacing:-1.8px}.section-head>p{margin-top:22px;font-size:16px}.method-layout{grid-template-columns:1fr;gap:35px}.stage-ring{max-width:420px;margin:auto}.stage-panel h3{font-size:32px}.stage-panel p{font-size:17px}.tools-grid{grid-template-columns:1fr;gap:16px}.tool-card{min-height:315px;padding:27px}.footer{display:block;padding-bottom:30px}.footer p{text-align:left;margin-top:20px}.article-hero{grid-template-columns:1fr;padding:20px 0 38px;gap:35px}.article-hero h1{font-size:55px;letter-spacing:-2.8px}.article-hero .intro{font-size:19px}.crumb{font-size:12px;padding:24px 0}.reading-layout{display:block;padding-top:34px}.toc{position:relative;top:0;padding-bottom:26px;margin-bottom:35px;border-bottom:1px solid var(--line)}.toc a{display:inline-block;padding:8px 12px 8px 0;font-size:13px}.toc .back{display:none}.toc-label{margin-bottom:8px}.article-body{font-size:17px;line-height:1.75}.article-body h2{font-size:27px}.article-body table{min-width:530px}.article-body .table-wrap{margin-left:-3px;margin-right:-3px}.article-meta{gap:10px}.chart-value{font-size:38px}.chart-explain{min-height:70px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.atlas-sitebar{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#09090b;color:#fff;padding:20px max(24px,calc((100vw - 1280px)/2));border-bottom:1px solid #ffffff25}.site-brand{display:flex;align-items:center;gap:10px;font-size:18px;white-space:nowrap}.site-brand img{object-fit:contain}.atlas-sitebar>nav{display:flex;gap:22px;font-size:13px}.mobile-nav{display:none}.atlas-catalogue{background:#f0f0f2}.catalogue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:35px 0 70px}.catalogue-card{display:block;border:1px solid #dedee4;border-radius:18px;padding:26px;background:white;transition:transform .2s,border-color .2s}.catalogue-card:hover{transform:translateY(-3px);border-color:#626269}.catalogue-card h3{font-size:23px;line-height:1.2;margin:14px 0}.catalogue-card p{font-size:15px;line-height:1.6;color:#626269}.catalogue-card small{letter-spacing:1px;text-transform:uppercase;color:#626269;font-size:10px}.catalogue-title{font-size:32px;letter-spacing:-1px;margin:50px 0 10px}.atlas-author{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:#626269;margin:22px 0}.atlas-author a{text-decoration:underline}.chart-data{font-size:13px;margin-top:20px;border-top:1px solid #ddd;padding-top:14px}.chart-data table{width:100%;border-collapse:collapse;margin:14px 0}.chart-data td,.chart-data th{text-align:left;padding:7px;border-bottom:1px solid #ddd;font-weight:400}.chart-data th{font-weight:600}.stage-index{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:24px;font-size:14px}.stage-index a{text-decoration:underline;text-underline-offset:4px}.stage-transcript{line-height:1.8;margin-top:30px;color:#626269}.stage-transcript summary{cursor:pointer;color:#141416}.source-notes{font-size:14px;line-height:1.7;margin:30px 0 60px;color:#626269}.footer a{text-decoration:underline}.atlas-sitebar a:focus-visible,.mobile-nav summary:focus-visible{outline:2px solid white;outline-offset:5px}@media(max-width:1050px){.atlas-sitebar>nav{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{cursor:pointer;padding:8px}.mobile-nav nav{position:absolute;right:0;top:45px;width:240px;padding:24px;background:#161618;z-index:100;border-radius:12px;display:flex;flex-direction:column;gap:18px}.catalogue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.catalogue-grid{grid-template-columns:1fr}.atlas-sitebar{padding:14px 20px}.hero h1{font-size:clamp(45px,15vw,61px)}.hero-actions{flex-wrap:wrap}.article-hero h1{font-size:clamp(34px,10.5vw,55px);overflow-wrap:anywhere}.top nav{gap:12px}.brand{font-size:15px}.top .brand b{display:none}.stage-choice{gap:5px}.stage-choice button{min-width:0}.chart-data{overflow:auto}}