@import url('https://use.typekit.net/cng3sog.css');
@font-face{font-family:'Source Sans 3';src:url('/assets/fonts/source-sans-3-regular.otf') format('opentype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Source Sans 3';src:url('/assets/fonts/source-sans-3-semibold.otf') format('opentype');font-weight:600 900;font-style:normal;font-display:swap}
:root{--paper:#f6f1e7;--ink:#173c34;--muted:#506458;--rule:#adb8a6;--clay:#a5482d;--panel:#e7ebdd;--display:'bely-display',Georgia,serif;--body:'Source Sans 3',sans-serif;--gutter:clamp(1.25rem,4vw,3.5rem);color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:1.5rem}body{margin:0;background:var(--paper);color:var(--ink);font:1.125rem/1.55 var(--body);overflow-wrap:break-word}h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.08;letter-spacing:-.025em;text-wrap:pretty;margin:0 0 1rem}h1{font-size:clamp(2.75rem,5.4vw,5.15rem)}h2{font-size:clamp(2rem,3.2vw,3rem)}h3{font-size:1.65rem}p{margin:0 0 1.2rem}a{color:inherit;text-underline-offset:.22em}a:hover{color:var(--clay)}button,input,select,summary{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;height:auto}svg{width:1.1em;height:1.1em;vertical-align:-.12em;flex:none}::selection{background:var(--ink);color:var(--paper)}:focus-visible{outline:3px solid var(--clay);outline-offset:4px}[hidden]{display:none!important}.shell{width:calc(100% - 2 * var(--gutter));max-width:1344px;margin-inline:auto}.skip{position:absolute;left:1rem;top:-6rem;z-index:20;background:var(--ink);color:var(--paper);padding:.7rem 1rem}.skip:focus{top:1rem}.site-header{border-bottom:1px solid var(--rule)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;min-height:6.8rem;padding-block:1.15rem}.wordmark{display:block;text-decoration:none;font:1.65rem/1.03 var(--display);letter-spacing:-.02em}.wordmark span{display:block}.desktop-nav{display:flex;gap:1.8rem;align-items:center}.desktop-nav a{font-size:1.0625rem;text-decoration:none;padding:.6rem 0}.desktop-nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px}.mobile-nav{display:none;position:relative}.mobile-nav summary{list-style:none;border:1px solid var(--ink);padding:.5rem .85rem;min-height:2.75rem;cursor:pointer}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav nav{position:absolute;right:0;top:calc(100% + .5rem);z-index:10;width:min(20rem,calc(100vw - 2.5rem));background:var(--paper);border:1px solid var(--ink);padding:.6rem}.mobile-nav nav a{display:block;padding:.75rem;text-decoration:none}.mobile-nav[open] summary{background:var(--ink);color:var(--paper)}.eyebrow{font-size:.875rem;letter-spacing:.09em;text-transform:uppercase;font-weight:600;margin-bottom:1rem}.small{font-size:.9375rem;color:var(--muted)}.muted{color:var(--muted)}.lede{font-size:1.35rem;line-height:1.5;max-width:48rem;color:var(--muted)}.button{display:inline-flex;gap:.6rem;align-items:center;justify-content:center;min-height:3rem;padding:.65rem 1.15rem;background:var(--ink);color:var(--paper);border:1px solid var(--ink);text-decoration:none;font-size:1.0625rem;font-weight:600}.button:hover{background:#244c41;color:var(--paper)}.button.secondary{background:transparent;color:var(--ink)}.button.secondary:hover{background:var(--panel)}.button:disabled{opacity:.45;cursor:default}.text-link{font-weight:600;text-decoration:none}.text-link:hover{text-decoration:underline}.hero{padding-block:3rem 2.25rem}.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(17rem,.8fr);gap:clamp(2rem,5vw,5rem);align-items:start}.hero h1{max-width:13ch}.hero .lede{max-width:39rem}.hero-aside{border-top:4px solid var(--ink);padding-top:1.3rem;margin-top:.1rem}.hero-aside h2{font-size:2rem}.hero-aside p{font-size:1.0625rem}.hero-aside .citation{font-size:.9375rem}.site-search label{display:block;font-weight:600;font-size:1rem;margin-bottom:.5rem}.search-row{display:flex;border:1px solid var(--ink);background:#fffdf8;max-width:50rem}.search-row input{flex:1;min-width:0;border:0;background:transparent;padding:.9rem 1rem;font-size:1.125rem}.search-row .button{margin:4px;white-space:nowrap}.stats{display:flex;gap:2.75rem;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:1rem 0;margin-top:2.5rem}.stats div{display:flex;align-items:baseline;gap:.6rem}.stats strong{font-family:var(--display);font-size:2rem;font-weight:400;line-height:1}.stats span{font-size:1rem;color:var(--muted)}.section{padding-block:3.25rem}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:1.7rem}.section-heading h2{margin:0}.section-heading .eyebrow{margin-bottom:.65rem}.topics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.topic-card{position:relative;border-top:3px solid var(--ink);background:var(--panel);padding:1.5rem;min-height:15rem;display:flex;flex-direction:column;text-decoration:none}.topic-card:hover{color:var(--ink);background:#dce3d1}.topic-number{font-size:.875rem;font-weight:600;letter-spacing:.07em;color:var(--muted);margin-bottom:1.5rem}.topic-card h3{font-size:1.85rem}.topic-card p{color:var(--muted);font-size:1.0625rem;line-height:1.45}.topic-card .card-end{margin-top:auto;display:flex;justify-content:space-between;font-size:.9375rem;font-weight:600}.topic-card.wide{grid-column:span 3;min-height:0;display:grid;grid-template-columns:.2fr 1fr 1.2fr;align-items:center;gap:2rem}.topic-card.wide .topic-number,.topic-card.wide h3,.topic-card.wide p{margin:0}.topic-card.wide .card-end{grid-column:3}.dark-section{background:var(--ink);color:var(--paper)}.dark-section .muted,.dark-section .lede{color:#d7dfd1}.dark-section a:hover{color:#f1c3ae}.boundary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem}.boundary-grid article{border-top:1px solid #7a9582;padding-top:1.25rem}.boundary-grid h3{font-size:1.65rem}.boundary-grid p{font-size:1.0625rem;color:#d7dfd1}.reading-list{border-top:1px solid var(--rule)}.research-row{display:grid;grid-template-columns:11rem minmax(0,1fr) 2rem;gap:1.5rem;padding:1.6rem 0;border-bottom:1px solid var(--rule);align-items:start}.research-row h3{font-size:1.65rem;margin:.2rem 0 .65rem}.research-row h3 a{text-decoration:none}.research-row h3 a:hover{text-decoration:underline}.research-row .summary{font-size:1.0625rem;max-width:59rem;color:var(--muted);margin-bottom:.75rem}.source-meta{font-size:.9375rem;color:var(--muted)}.source-meta .year{display:block;font-family:var(--display);font-size:1.5rem;color:var(--ink);margin-bottom:.35rem}.row-arrow{padding-top:2rem}.tags{display:flex;gap:.45rem;flex-wrap:wrap;list-style:none;padding:0;margin:.6rem 0 0}.tag{font-size:.875rem;border:1px solid var(--rule);padding:.16rem .5rem;line-height:1.5}.tag.direct{background:var(--ink);border-color:var(--ink);color:var(--paper)}.page-header{padding-block:2.6rem 2rem;max-width:65rem}.breadcrumb{font-size:.9375rem;color:var(--muted);padding-top:1.4rem}.breadcrumb ol{display:flex;gap:.65rem;flex-wrap:wrap;list-style:none;margin:0;padding:0}.breadcrumb li+li:before{content:'/';margin-right:.65rem;color:var(--rule)}.page-header h1{font-size:clamp(2.5rem,4.5vw,4.3rem)}.page-header .lede{margin-bottom:0}.filters{padding:1.5rem;background:var(--panel);border-top:3px solid var(--ink)}.filter-search{margin-bottom:1.25rem}.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.filter-grid label{font-size:.9375rem;font-weight:600}.filter-grid select{display:block;width:100%;margin-top:.4rem;min-height:2.8rem;padding:.5rem 2rem .5rem .6rem;color:var(--ink);background:var(--paper);border:1px solid var(--rule);font-size:1rem;border-radius:0}.filter-controls{display:flex;justify-content:space-between;gap:1rem;align-items:center;padding-top:1rem;font-size:.9375rem}.filter-controls button{border:0;background:transparent;color:var(--ink);text-decoration:underline;text-underline-offset:.2em;padding:.3rem}.results-bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.6rem 0 1rem}.results-bar p{margin:0}.pagination{display:flex;gap:1rem;justify-content:center;align-items:center;padding-top:2rem;flex-wrap:wrap}.pagination p{font-size:1rem;margin:0}.empty{padding:3rem 1.5rem;text-align:center;border:1px solid var(--rule)}.empty h2{font-size:2rem}.prose{max-width:52rem}.prose h2{font-size:2.2rem;margin-top:2.5rem}.prose h3{font-size:1.7rem;margin-top:2rem}.prose ul,.prose ol{padding-left:1.5rem}.prose li{margin-block:.6rem}.prose a{overflow-wrap:anywhere}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 20rem;gap:4rem}.sidebar{border-top:3px solid var(--ink);padding-top:1.3rem;align-self:start}.sidebar h2{font-size:1.65rem}.sidebar p,.sidebar li{font-size:1rem}.sidebar ul{list-style:none;padding:0}.sidebar li{padding-block:.5rem;border-bottom:1px solid var(--rule)}.callout{border-left:4px solid var(--clay);padding:1.3rem 1.5rem;background:var(--panel);margin:1.75rem 0}.callout h2,.callout h3{margin-top:0}.callout p:last-child{margin-bottom:0}.source-header{max-width:68rem}.source-header h1{font-size:clamp(2.3rem,3.75vw,3.5rem);line-height:1.12}.source-header .byline{font-size:1.15rem;margin-block:1.5rem .5rem}.record-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--rule);padding-block:1.25rem;gap:1.5rem;margin-bottom:2.25rem}.record-facts dt{font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:.4rem}.record-facts dd{margin:0;font-size:1rem}.record-body{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(15rem,.7fr);gap:3.5rem;align-items:start}.record-body h2{font-size:2rem;margin-top:0}.record-body section{padding-bottom:1.3rem}.record-body .sidebar h2{font-size:1.55rem}.record-body .citation-box{background:var(--panel);padding:1.35rem;font-size:1rem;overflow-wrap:anywhere}.record-body .citation-box p:last-child{margin-bottom:0}.record-body .button{width:100%;margin-bottom:.6rem}.note-label{display:block;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:.5rem}.topic-intro{max-width:58rem}.evidence-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}.evidence-point{padding-top:1.25rem;border-top:2px solid var(--ink)}.evidence-point h2{font-size:1.85rem}.evidence-point p{font-size:1.125rem}.references{font-size:.9375rem;color:var(--muted)}.question-list{margin:0;padding-left:1.5rem;max-width:57rem}.question-list li{padding:.6rem 0}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:1rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:.9rem .75rem}th{background:var(--panel);font-weight:600}.growth{display:grid;grid-template-columns:1fr 1fr;gap:4rem;padding-block:3rem;border-top:1px solid var(--rule)}.growth h2{font-size:2.5rem}.growth p{color:var(--muted)}.site-footer{border-top:1px solid var(--rule);padding-block:2.4rem 1.5rem;margin-top:3rem}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:3rem}.footer-name{font:1.8rem/1.1 var(--display);margin-bottom:1rem}.footer-grid p,.footer-grid a{font-size:1rem}.footer-grid nav{display:flex;flex-direction:column;align-items:start;gap:.55rem}.footer-grid h2{font-family:var(--body);font-size:.875rem;letter-spacing:.07em;text-transform:uppercase;font-weight:600;margin-bottom:1rem}.footer-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--rule);padding-top:1.2rem;margin-top:2rem;font-size:.875rem;color:var(--muted)}.footer-bottom p{margin:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1000px){.toc{position:sticky;top:2rem}}@media(max-width:1000px){.hero-grid{grid-template-columns:minmax(0,1.3fr) minmax(15rem,.8fr);gap:2rem}.desktop-nav{gap:1rem}.two-column{grid-template-columns:minmax(0,1fr) 16rem;gap:2rem}.record-body{gap:2rem}.topics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card.wide{grid-column:span 2;grid-template-columns:1fr 2fr}.topic-card.wide .topic-number{display:none}.topic-card.wide .card-end{grid-column:2}}
@media(max-width:800px){.desktop-nav{display:none}.mobile-nav{display:block}.header-inner{min-height:5.6rem;gap:1rem}.wordmark{font-size:1.4rem}.hero-grid{grid-template-columns:1fr}.hero{padding-top:2rem}.hero h1{max-width:16ch;font-size:clamp(2.9rem,8vw,4.3rem)}.hero-aside{margin-top:.5rem}.hero-aside h2{font-size:1.75rem}.stats{gap:1.5rem;justify-content:space-between;flex-wrap:wrap}.stats div{display:block}.stats span{display:block;margin-top:.3rem}.boundary-grid{grid-template-columns:1fr;gap:1.25rem}.boundary-grid article{padding-top:1rem}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.research-row{grid-template-columns:7rem minmax(0,1fr);gap:1rem}.row-arrow{display:none}.record-body,.two-column{grid-template-columns:1fr}.record-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}.footer-grid>div:first-child{grid-column:span 2}.growth{grid-template-columns:1fr;gap:1rem}.section{padding-block:2.5rem}.section-heading{align-items:start}.lede{font-size:1.2rem}}
@media(max-width:520px){.topics-grid{grid-template-columns:1fr}.topic-card.wide{grid-column:auto;display:flex}.topic-card.wide .topic-number{display:block;margin-bottom:1rem}.topic-card.wide h3{margin-bottom:1rem}.topic-card.wide .card-end{margin-top:1rem}.topic-card{min-height:0}.topic-card .card-end{margin-top:.5rem}.topic-number{margin-bottom:1rem}.search-row{flex-wrap:wrap}.search-row input{width:100%;flex-basis:100%;min-height:3.5rem}.search-row .button{width:calc(100% - 8px)}.stats{gap:1.4rem}.stats strong{font-size:1.7rem}.stats span{font-size:.9375rem}.research-row{grid-template-columns:1fr;gap:.6rem}.source-meta{display:flex;gap:.65rem;align-items:baseline;flex-wrap:wrap}.source-meta .year{display:inline;font-family:var(--body);font-size:1rem;font-weight:600;margin:0}.research-row h3{font-size:1.55rem}.filter-grid{grid-template-columns:1fr}.filters{padding:1rem}.results-bar{flex-wrap:wrap}.record-facts{grid-template-columns:1fr}.section-heading{display:block}.section-heading>a{display:inline-block;margin-top:1rem}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.hero h1{font-size:2.9rem}.record-body .citation-box{padding:1rem}.pagination{gap:.65rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{@page{margin:18mm}body{background:#fff;color:#000;font:11pt/1.5 sans-serif}.site-header,.site-footer,.filters,.pagination,.mobile-nav,.no-print{display:none!important}.shell{width:100%;max-width:none}.hero-grid,.record-body,.two-column,.evidence-points{display:block}.sidebar{margin-top:1rem}.source-header h1{font-size:25pt}.page-header h1{font-size:30pt}h2{font-size:20pt}h3{font-size:15pt}.research-row{break-inside:avoid;grid-template-columns:7rem 1fr}a{color:#000}.topic-card,.callout{background:#fff}.section{padding-block:1rem}}
.family-promise{margin-top:2rem;border-top:1px solid var(--rule);padding-top:1.75rem}.family-promise h2{font-size:clamp(1.6rem,2.4vw,2.3rem);max-width:48rem}.family-promise p{font-size:1rem}.family-promise .eyebrow{font-size:.875rem}.science-summary{display:grid;grid-template-columns:1fr 1fr;gap:4rem;background:var(--panel);padding:2rem}.science-summary h2{font-size:2.4rem;margin-bottom:0}.science-summary p:not(.eyebrow){font-size:1.0625rem;color:var(--muted)}.conclusions{max-width:66rem;margin-top:2.5rem}.conclusion{border-top:3px solid var(--ink);padding:1.5rem 0 2rem}.conclusion-meta{display:flex;gap:1rem;align-items:center;margin-bottom:1.25rem}.conclusion-meta .eyebrow{margin:0}.confidence{display:inline-block;font-size:.9375rem;font-weight:600;border:1px solid var(--ink);padding:.2rem .65rem;background:var(--panel)}.conclusion h2{font-size:clamp(1.9rem,3vw,2.65rem);max-width:48rem}.conclusion-finding{font-size:1.25rem;max-width:59rem}.conclusion-detail{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding-top:1rem}.conclusion-detail h3{font-family:var(--body);font-size:1.0625rem;font-weight:600;letter-spacing:0}.conclusion-detail p{font-size:1.0625rem;color:var(--muted)}@media(max-width:900px){.desktop-nav{gap:1rem}.desktop-nav a{font-size:1rem}.desktop-nav .text-link{display:none}}@media(max-width:800px){.science-summary{grid-template-columns:1fr;gap:1rem}.conclusion-detail{grid-template-columns:1fr;gap:0}}@media print{.conclusion{break-inside:avoid}.conclusion-detail{display:block}}