/* Common navigation and working type. Mechanism receipts: /research#mechanism-research. */
@font-face{font-family:'Hanken Grotesk';src:url('/assets/fonts/hanken-grotesk-normal.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
:root{--sf-ground:#f4f7f8;--sf-stage:#dce8ef;--sf-ink:#20272d;--sf-muted:#59636d;--sf-rule:#bbc7cf;--sf-action:#852b40;--sf-family:'Hanken Grotesk',Arial,sans-serif}
html{scroll-padding-top:20px}body{margin:0}.sf-header,.sf-footer,.sf-preview,.sf-context{font-family:var(--sf-family);color:var(--sf-ink);box-sizing:border-box}.sf-header *,.sf-footer *,.sf-context *{box-sizing:border-box}.sf-header a,.sf-footer a,.sf-context a{color:inherit;text-decoration:none}.sf-header a:hover,.sf-footer a:hover,.sf-context a:hover{text-decoration:underline;text-underline-offset:5px}
.sf-preview{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:6px 32px;background:#e7eef2;font-size:11px;line-height:1.5}.sf-preview a{color:var(--sf-muted);text-underline-offset:3px}.sf-preview span{color:var(--sf-muted)}
.sf-header{position:relative;z-index:20;display:flex;align-items:center;gap:32px;min-height:82px;padding:14px 32px;background:var(--sf-ground);border-bottom:1px solid var(--sf-rule)}.sf-header .sf-mark{font-size:30px;line-height:1;letter-spacing:-1.5px;font-weight:600;white-space:nowrap;text-decoration:none}.sf-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:15px}.sf-nav>a{display:flex;align-items:center;min-height:44px}.sf-nav>a[aria-current=page]{text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--sf-action);text-decoration-thickness:2px}.sf-nav>details{position:relative}.sf-nav summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px;list-style:none}.sf-nav summary::-webkit-details-marker{display:none}.sf-nav summary:after{content:'+';font-size:18px}.sf-nav details[open]>summary:after{content:'−'}.sf-submenu{position:absolute;right:0;top:100%;width:250px;padding:14px 22px;background:#fff;border:1px solid var(--sf-rule);box-shadow:0 12px 24px #20272d12}.sf-submenu a{display:flex;align-items:center;min-height:44px;font-size:14px}.sf-header .sf-entry{background:var(--sf-action);color:#fff;padding:12px 18px;display:flex;align-items:center;min-height:46px;font-size:14px;white-space:nowrap}.sf-entry:hover{background:#692033;text-decoration:none!important}.sf-mobile-menu{display:none;margin-left:auto}.sf-mobile-menu>summary{min-width:50px;min-height:44px;display:flex;align-items:center;justify-content:center;list-style:none;cursor:pointer;font-size:15px}.sf-mobile-menu>summary::-webkit-details-marker{display:none}.sf-mobile-menu[open]>summary{color:var(--sf-action)}.sf-mobile-links{position:absolute;left:0;right:0;top:100%;background:var(--sf-ground);border-bottom:1px solid var(--sf-rule);padding:16px 24px 24px;display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.sf-mobile-links a{min-height:46px;display:flex;align-items:center;font-size:16px}.sf-mobile-links a:first-child{color:var(--sf-action);font-weight:600}.sf-skip{position:fixed;left:16px;top:-100px;z-index:100;background:#fff;color:var(--sf-ink);padding:14px;font-family:var(--sf-family)}.sf-skip:focus{top:12px}
.sf-header :is(a,summary):focus-visible,.sf-footer :is(a,summary):focus-visible,.sf-context a:focus-visible{outline:3px solid var(--sf-action);outline-offset:4px}.sf-context{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:12px 32px;font-size:13px;border-bottom:1px solid var(--sf-rule)}.sf-context span{color:var(--sf-muted)}.sf-context a{padding:9px 0;min-height:36px}.sf-context a[aria-current=page]{color:var(--sf-action);font-weight:600}
.sf-footer{padding:30px 32px 20px;background:var(--sf-stage);border-top:1px solid var(--sf-rule)}.sf-footer-topline{display:flex;align-items:baseline;justify-content:space-between;gap:24px}.sf-footer .sf-mark{font-size:26px;letter-spacing:-1.1px;font-weight:600}.sf-footer p{font-size:14px;line-height:1.5;max-width:60ch;margin:0}.sf-footer-primary{display:flex;gap:12px 28px;flex-wrap:wrap;padding:16px 0;border-bottom:1px solid var(--sf-rule);font-size:14px}.sf-footer-primary a{min-height:44px;display:inline-flex;align-items:center}.sf-footer-details{padding-top:4px}.sf-footer-details>summary{font-size:14px;cursor:pointer;min-height:44px;display:flex;align-items:center;gap:12px;list-style:none}.sf-footer-details>summary:before{content:'+';font-size:18px}.sf-footer-details[open]>summary:before{content:'−'}.sf-footer-details>summary::-webkit-details-marker{display:none}.sf-footer-directory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;padding:12px 0 25px}.sf-footer-directory h2{font:600 13px/1.5 var(--sf-family)!important;letter-spacing:0!important;color:var(--sf-ink)!important;margin:0 0 8px!important}.sf-footer-directory a{display:flex;align-items:center;font-size:13px;min-height:38px;line-height:1.4}.sf-footer-bottomline{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--sf-muted);font-size:12px;padding-top:10px}.sf-footer-bottomline a{color:var(--sf-muted)}
.sf-route-steps{display:flex;gap:0;max-width:1200px;margin:24px auto;border-block:1px solid var(--sf-rule);font-family:var(--sf-family)}.sf-route-steps a{padding:16px 22px;display:flex;align-items:center;gap:20px;text-decoration:none;min-height:52px}.sf-route-steps a:hover{background:var(--sf-stage)}.sf-route-steps span{font-size:12px;color:var(--sf-action)}.sf-context-details{margin:40px 32px 60px;border-top:1px solid var(--sf-rule);padding-top:14px}.sf-context-details>summary{cursor:pointer;font:500 18px/1.5 var(--sf-family);min-height:48px;padding:10px 0}.sf-context-details>p{font:16px/1.6 var(--sf-family);max-width:65ch;color:var(--sf-muted)}.sf-reading-step{display:grid;grid-template-columns:100px minmax(0,1fr) minmax(220px,.6fr);gap:36px;max-width:1100px;margin:auto;padding:48px 24px;border-bottom:1px solid var(--sf-rule)}.sf-reading-step>span{font:500 18px var(--sf-family);color:var(--sf-action)}.sf-reading-step h2{font:500 36px/1.1 var(--sf-family)!important;letter-spacing:-.035em!important;margin:0 0 18px!important}.sf-reading-step p{font:17px/1.6 var(--sf-family)!important;max-width:53ch}.sf-reading-step a{display:inline-block;min-height:44px;padding:12px 0;color:var(--sf-action)!important;text-underline-offset:5px}.sf-reading-step figure{margin:0;align-self:start}.sf-reading-step img{display:block;width:100%;height:auto}.sf-guide-opening{max-width:1100px;margin:auto;padding:35px 24px 10px}.sf-guide-opening h1{font:500 clamp(32px,4vw,48px)/1.08 var(--sf-family)!important;letter-spacing:-.04em!important;margin:12px 0 18px!important;max-width:650px}.sf-guide-opening>p{font:17px/1.6 var(--sf-family);max-width:60ch}
@media(max-width:1050px){.sf-header{gap:20px;padding-inline:24px}.sf-nav{gap:18px;font-size:14px}.sf-header .sf-mark{font-size:28px}.sf-header .sf-entry{padding-inline:12px}}
@media(max-width:850px){.sf-nav{display:none}.sf-mobile-menu{display:block}.sf-header{gap:15px;min-height:70px;padding:12px 20px}.sf-header .sf-entry{margin-left:auto;font-size:13px;padding:10px 12px;min-height:44px}.sf-mobile-menu{margin-left:0}.sf-preview{padding-inline:20px}.sf-preview a{max-width:50%;text-align:right}.sf-preview span{max-width:50%}.sf-footer{padding:26px 20px 20px}.sf-footer-topline{align-items:start;flex-direction:column;gap:12px}.sf-footer-primary{gap:0 23px}.sf-footer-directory{grid-template-columns:1fr 1fr;gap:24px}.sf-context{padding-inline:20px;gap:8px 20px}.sf-reading-step{grid-template-columns:42px minmax(0,1fr);gap:15px;padding:30px 20px}.sf-reading-step figure{grid-column:2;max-width:320px}.sf-reading-step h2{font-size:30px!important}.sf-route-steps{margin:12px 20px;flex-wrap:wrap}.sf-route-steps a{padding:12px 16px;gap:10px;font-size:14px}.sf-context-details{margin-inline:20px}}
@media(max-width:370px){.sf-header{gap:10px;padding-inline:16px}.sf-header .sf-mark{font-size:25px}.sf-header .sf-entry{font-size:12px;padding-inline:9px}.sf-mobile-menu>summary{font-size:14px;min-width:44px}.sf-preview{font-size:10px;padding-inline:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Legacy navigation rules must not alter the shared navigation typography. */
.sf-header a,.sf-header summary,.sf-footer a,.sf-footer summary,.sf-context a{font-family:var(--sf-family);text-transform:none;letter-spacing:normal}.sf-header .sf-mark,.sf-footer .sf-mark{letter-spacing:-1.1px}.sf-nav>a,.sf-nav>details>summary{font-size:15px}
@media(max-width:850px){.sf-reading-step>:nth-child(n+3){grid-column:2}.sf-reading-step figcaption{font:13px/1.5 var(--sf-family);margin-top:10px}}
@media(max-width:700px){body.af-about .story-grid,body.af-about .story-grid.flip{grid-template-columns:minmax(0,1fr)}body.af-about .story-grid>.story-num{display:none}}

/* Closed native disclosures must not retain offscreen submenu layout boxes. */
.sf-mobile-menu:not([open])>.sf-mobile-links,.sf-nav>details:not([open])>.sf-submenu{display:none}