.assurance-site,.assurance-header,.assurance-public-footer,.publication-archive-notice{--assurance-ink:#13243a;--assurance-paper:#f7f5ef;--assurance-cobalt:#2453cb;--assurance-slate:#637084;--assurance-silver:#d5dae2;color:var(--assurance-ink);font-variant-numeric:tabular-nums;font-family:Inter,Arial,sans-serif}.assurance-site{background:var(--assurance-paper);min-height:100dvh}.assurance-public-shell{width:min(1280px,100% - 80px);margin-inline:auto}.assurance-site h1,.assurance-site h2,.assurance-site h3{color:var(--assurance-ink);letter-spacing:-.03em;text-wrap:balance;font-weight:600;line-height:1.16}.assurance-site h1{max-width:17ch;margin:0;font-size:clamp(42px,4.5vw,68px)}.assurance-site h2{max-width:23ch;margin:0 0 24px;font-size:clamp(28px,3vw,40px)}.assurance-site h3{margin:0 0 8px;font-size:18px}.assurance-site p{max-width:72ch;margin:0 0 20px;line-height:1.7}.assurance-site a,.assurance-public-footer a,.publication-archive-notice a{color:var(--assurance-cobalt);text-underline-offset:4px}.assurance-site a:hover,.assurance-public-footer a:hover{text-decoration-thickness:2px}.assurance-site>.skip-link{color:var(--assurance-paper);background:var(--assurance-cobalt);top:-100px;transform:none}.assurance-site>.skip-link:focus{top:12px;transform:none}.assurance-site :focus-visible,.assurance-header :focus-visible,.assurance-public-footer :focus-visible,.assurance-site summary:focus-visible{outline:3px solid var(--assurance-cobalt);outline-offset:4px}.assurance-header{background:var(--assurance-paper);border-bottom:1px solid var(--assurance-silver);z-index:40;position:relative}.assurance-header-inner{justify-content:space-between;align-items:center;gap:28px;min-height:88px;display:flex}.assurance-header a{color:var(--assurance-ink);text-decoration:none}.assurance-desktop-nav{align-items:center;gap:24px;display:flex}.assurance-desktop-nav a{white-space:nowrap;align-items:center;min-height:44px;font-size:13px;display:inline-flex}.assurance-desktop-nav a:hover{color:var(--assurance-cobalt)}.assurance-header a.assurance-header-cta{border:1px solid var(--assurance-cobalt);min-height:44px;color:var(--assurance-cobalt);white-space:nowrap;align-items:center;padding:10px 14px;font-size:13px;display:inline-flex}.assurance-header a.assurance-header-cta:hover{background:var(--assurance-cobalt);color:var(--assurance-paper)}.assurance-header-dark{background:var(--assurance-ink)}.assurance-header-dark a,.assurance-header-dark summary{color:var(--assurance-paper)}.assurance-mobile-nav{display:none;position:relative}.assurance-mobile-nav summary{cursor:pointer;align-items:center;gap:12px;min-height:44px;font-size:14px;list-style:none;display:flex}.assurance-mobile-nav summary::-webkit-details-marker{display:none}.assurance-mobile-nav nav{background:var(--assurance-paper);border:1px solid var(--assurance-slate);width:min(300px,100vw - 40px);padding:12px;position:absolute;top:52px;right:0}.assurance-mobile-nav nav a{align-items:center;min-height:48px;padding:8px 12px;display:flex}.assurance-home-hero{grid-template-columns:minmax(0,1.06fr) minmax(0,1fr);align-items:center;gap:64px;padding:80px 0 88px;display:grid}.assurance-home-hero .assurance-lead{max-width:24em;margin:28px 0 24px;font:21px/1.6 "Source Serif 4",Georgia,serif}.assurance-intro-label{color:var(--assurance-slate);font-size:13px}.assurance-public-actions{flex-wrap:wrap;gap:12px;margin:24px 0 20px;display:flex}.assurance-site a.assurance-button{border:1px solid var(--assurance-cobalt);background:var(--assurance-cobalt);min-height:48px;color:var(--assurance-paper);justify-content:center;align-items:center;gap:14px;padding:12px 18px;font-size:14px;font-weight:550;text-decoration:none;display:inline-flex}.assurance-site a.assurance-button:hover{background:var(--assurance-ink);border-color:var(--assurance-ink)}.assurance-site a.assurance-button.secondary{color:var(--assurance-cobalt);background:0 0}.assurance-site a.assurance-button.secondary:hover{color:var(--assurance-ink)}.assurance-home-hero .assurance-public-actions .assurance-button+.assurance-button{color:var(--assurance-cobalt);background:0 0}.assurance-site .assurance-small,.assurance-public-footer .assurance-small{color:var(--assurance-slate);font:13px/1.6 Inter,Arial,sans-serif}.assurance-home-hero .assurance-small{max-width:53ch}.assurance-preview{border-top:2px solid var(--assurance-cobalt);border-bottom:1px solid var(--assurance-silver);margin:0;padding:28px 0 20px}.assurance-preview figcaption{margin-bottom:24px}.assurance-preview figcaption strong{letter-spacing:-.02em;font-size:19px;font-weight:550;line-height:1.4;display:block}.assurance-preview figcaption span{color:var(--assurance-slate);margin-top:8px;font-size:13px;display:block}.assurance-preview-head,.assurance-preview-row{grid-template-columns:minmax(0,1.4fr) minmax(64px,.55fr) minmax(96px,.8fr);align-items:start;gap:14px;display:grid}.assurance-preview-head{color:var(--assurance-slate);padding-bottom:10px;font-size:12px}.assurance-preview-row{border-top:1px solid var(--assurance-silver);padding:18px 0;font-size:13px}.assurance-preview-state{font-size:11px;font-weight:600;line-height:1.7}.assurance-preview-regression{border-top-color:var(--assurance-ink);font-weight:600}.assurance-preview-gate{border-block:1px solid var(--assurance-ink);flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:16px 0;font-size:12px;display:flex}.assurance-preview-gate strong{font-weight:600}.assurance-preview>p{margin:16px 0 12px;font-size:13px}.assurance-preview>a{align-items:center;min-height:44px;font-size:14px;display:inline-flex}.assurance-preview small{color:var(--assurance-slate);margin-top:12px;font-size:11px;line-height:1.6;display:block}.assurance-public-section{border-top:1px solid var(--assurance-silver);padding:72px 0}.assurance-problem,.assurance-evidence,.assurance-research-teaser,.assurance-boundary{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:start;gap:80px;display:grid}.assurance-problem>div,.assurance-evidence>div>p,.assurance-research-teaser>div,.assurance-boundary>div{font:18px/1.7 "Source Serif 4",Georgia,serif}.assurance-section-heading{justify-content:space-between;align-items:start;gap:48px;margin-bottom:40px;display:flex}.assurance-section-heading h2{max-width:20ch}.assurance-section-heading p{max-width:22em;font:18px/1.7 "Source Serif 4",Georgia,serif}.assurance-campaign-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 64px;margin:0 0 24px;padding:0;list-style:none;display:grid}.assurance-campaign-steps li{border-top:1px solid var(--assurance-silver);grid-template-columns:24px minmax(0,1fr);gap:20px;padding:24px 0;display:grid}.assurance-step-number{color:var(--assurance-cobalt);padding-top:2px;font-size:14px}.assurance-campaign-steps p{color:var(--assurance-slate);max-width:47ch;margin:0;font-size:15px}.assurance-text-link{align-items:center;min-height:44px;font-family:Inter,Arial,sans-serif;font-size:14px;display:inline-flex}.assurance-evidence dl,.assurance-gate-definitions{margin:0}.assurance-evidence dl>div{border-bottom:1px solid var(--assurance-silver);padding:20px 0}.assurance-evidence dl>div:first-child{padding-top:0}.assurance-evidence dt{margin-bottom:8px;font-size:17px;font-weight:550}.assurance-evidence dd{color:var(--assurance-slate);margin:0;font-size:15px;line-height:1.7}.assurance-final-cta{max-width:830px;padding:80px 0}.assurance-final-cta h2{max-width:25ch}.assurance-final-cta>p{max-width:32.5em;font:19px/1.7 "Source Serif 4",Georgia,serif}.assurance-final-cta .assurance-small{margin-top:20px}.assurance-page-lead{max-width:1000px;padding:72px 0 64px}.assurance-page-lead h1{max-width:23ch;margin-bottom:28px;font-size:clamp(40px,4.6vw,64px)}.assurance-page-lead>div{max-width:35em;font:22px/1.6 "Source Serif 4",Georgia,serif}.assurance-reading{max-width:820px;font:19px/1.75 "Source Serif 4",Georgia,serif}.assurance-reading p{max-width:36em}.assurance-reading h2,.assurance-reading h3{font-family:Inter,Arial,sans-serif}.assurance-reading ul{margin:20px 0;padding-left:24px;list-style:outside}.assurance-reading li{margin:8px 0}.assurance-gate-definitions>div{border-bottom:1px solid var(--assurance-silver);padding:20px 0}.assurance-gate-definitions dt{overflow-wrap:anywhere;margin-bottom:6px;font:14px/1.7 Space Mono,monospace}.assurance-gate-definitions dd{margin:0}.assurance-lined-list{margin:0 0 24px;padding:0;list-style:none}.assurance-lined-list li{border-top:1px solid var(--assurance-silver);margin:0;padding:18px 0;line-height:1.6}.assurance-lined-list li:first-child{border-top:0;padding-top:0}.assurance-research-archive{max-width:900px}.assurance-research-archive .assurance-lined-list span{color:var(--assurance-slate);margin-top:6px;font-size:13px;display:block}.assurance-research-archive .assurance-lined-list a{padding:6px 0;display:inline-block}.assurance-evaluation-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:72px;padding-bottom:80px;display:grid}.assurance-evaluation-layout .assurance-reading{font-size:17px}.assurance-public-footer{border-top:1px solid var(--assurance-silver);grid-template-columns:1fr 1fr;gap:40px 80px;padding:48px 0 64px;font-size:14px;line-height:1.7;display:grid}.assurance-public-footer p{max-width:45ch;margin:16px 0}.assurance-public-footer>nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px;display:grid}.assurance-public-footer nav a{align-items:center;min-height:44px;display:flex}.assurance-archive-links{border-top:1px solid var(--assurance-silver);grid-column:1/-1;padding-top:12px}.assurance-archive-links summary{cursor:pointer;min-height:44px;color:var(--assurance-slate);padding:10px 0}.assurance-archive-links p{max-width:80ch;color:var(--assurance-slate)}.assurance-archive-links nav{flex-wrap:wrap;column-gap:28px;display:flex}.publication-archive-notice{border-block:1px solid var(--assurance-silver);width:min(1280px,100% - 80px);margin:24px auto 0;padding:16px 0;font-size:14px;line-height:1.7}@media (width<=1150px){.assurance-desktop-nav{display:none}.assurance-mobile-nav{display:block}.assurance-header-cta{margin-left:auto}.assurance-home-hero{gap:40px}.assurance-problem,.assurance-evidence,.assurance-research-teaser,.assurance-boundary{gap:48px}.assurance-evaluation-layout{gap:40px}}@media (width<=900px){.assurance-home-hero{grid-template-columns:minmax(0,1fr);gap:40px;padding:56px 0}.assurance-home-hero>div{max-width:700px}.assurance-site h1{max-width:20ch}.assurance-preview{width:100%;max-width:680px}.assurance-problem,.assurance-evidence,.assurance-research-teaser,.assurance-boundary{grid-template-columns:minmax(0,1fr);gap:16px}.assurance-section-heading{display:block}.assurance-section-heading p{max-width:34em}.assurance-campaign-steps{column-gap:40px}.assurance-evaluation-layout{grid-template-columns:minmax(0,1fr)}}@media (width<=600px){.assurance-public-shell,.publication-archive-notice{width:calc(100% - 40px)}.assurance-header-inner{gap:16px;min-height:76px}.assurance-header a.assurance-header-cta{display:none}.assurance-mobile-nav{margin-left:auto}.assurance-site h1{font-size:42px}.assurance-home-hero{padding:44px 0 48px}.assurance-home-hero .assurance-lead{font-size:20px}.assurance-public-actions{flex-direction:column;align-items:stretch}.assurance-preview-head,.assurance-preview-row{grid-template-columns:minmax(0,1.3fr) 54px 88px;gap:10px}.assurance-preview-state{font-size:10px}.assurance-public-section{padding:48px 0}.assurance-campaign-steps{grid-template-columns:minmax(0,1fr)}.assurance-campaign-steps li{gap:14px}.assurance-page-lead{padding:48px 0}.assurance-page-lead>div{font-size:20px}.assurance-final-cta{padding:48px 0}.assurance-evaluation-layout{padding-bottom:48px}.assurance-public-footer{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0 64px}.assurance-reading{font-size:18px}}@media (prefers-reduced-motion:reduce){.assurance-site{scroll-behavior:auto}}