@font-face{font-family:Outfit;src:url("assets/fonts/Outfit-latin-variable.woff2") format("woff2");font-style:normal;font-weight:300 700;font-display:swap}
:root{color-scheme:light;--ink:#17252c;--deep:#15212a;--muted:#596a70;--paper:#f7f9f7;--line:#d8e0de;--teal:#557b82;--font:Outfit,"Helvetica Neue",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:30px}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);font-weight:400;-webkit-font-smoothing:antialiased}
button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}abbr[title]{text-decoration:none}p,h1,h2,h3,h4{overflow-wrap:break-word}::selection{color:var(--deep);background:#c8e0df}:focus-visible{outline:2px solid #3c7887;outline-offset:4px}
.container{width:min(100% - 112px,1200px);margin-inline:auto}.skip-link{position:fixed;z-index:100;left:20px;top:-80px;padding:12px 18px;background:#fff;color:var(--deep)}.skip-link:focus{top:14px}
.site-header{background:var(--deep);color:#eef3f1}.header-inner{min-height:88px;border-bottom:1px solid #ffffff29;display:flex;align-items:center;justify-content:space-between;gap:50px}.brand{display:inline-flex;align-items:baseline;gap:13px;white-space:nowrap}.brand strong{font-size:24px;line-height:1;font-weight:650;letter-spacing:-.04em}.brand strong span{color:#a7c5c7}.brand em{font-size:12px;font-style:normal;font-weight:400;color:#b4c4c6;letter-spacing:.03em}.site-nav{display:flex;align-items:center;gap:clamp(20px,3vw,43px)}.site-nav a{color:#bfcdd0;font-size:13px;line-height:1.4;white-space:nowrap;transition:color .2s}.site-nav a:hover,.site-nav a[aria-current]{color:#fff}.site-nav .nav-accent{color:#eef5f4}.nav-accent span{margin-left:5px}
.hero{background:var(--deep);color:#f6f9f7;overflow:hidden}.hero-inner{position:relative;min-height:655px;display:flex;align-items:center;padding-block:95px 100px}.hero-copy{position:relative;z-index:2;max-width:730px}.eyebrow,.section-tag,.mini-label{font-size:11px;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;font-weight:550}.eyebrow{margin:0 0 35px}.eyebrow.light{color:#adc4c6}.dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:#a9c4c6;vertical-align:middle;margin:0 10px}.hero h1,.glossary-hero h1{margin:0;font-size:clamp(62px,7vw,98px);font-weight:400;line-height:1.02;letter-spacing:-.055em;text-wrap:balance}.hero-lead{max-width:635px;margin:38px 0 0;font-size:clamp(19px,1.75vw,23px);line-height:1.52;font-weight:300;color:#d7e2e1}.hero-expansion{margin:28px 0 0;color:#9eb8bc;font-size:14px}.actions{display:flex;align-items:center;gap:36px;flex-wrap:wrap;margin-top:40px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;min-height:56px;padding:0 22px;font-size:14px;font-weight:500;line-height:1.3;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button span{font-size:19px;font-weight:300}.button-light{color:var(--deep);background:#f4f7f5}.button-light:hover{background:#ccdfde}.button-dark{color:#f8fbfa;background:var(--deep)}.button-dark:hover{background:#355661}.under-link{display:inline-flex;align-items:center;gap:13px;padding-bottom:5px;border-bottom:1px solid currentColor;font-size:14px;font-weight:500}.under-link-light{color:#e7f1ef}.under-link span{font-size:18px}.orbit-art{position:absolute;width:670px;height:670px;right:-270px;top:-10px;opacity:.55;pointer-events:none}.orbit-art::before{content:"";position:absolute;inset:19%;border:1px solid #a4c4c446;border-radius:50%;background:radial-gradient(circle at 37% 34%,#66868a18,transparent 59%)}.orbit-one,.orbit-two{position:absolute;inset:8% -6%;display:block;border:1px solid #abc8c83e;border-radius:50%;transform:rotate(-28deg) scaleY(.48)}.orbit-two{inset:2% -17%;transform:rotate(31deg) scaleY(.64);border-color:#abc8c824}.orbit-point{position:absolute;top:25%;left:26%;width:5px;height:5px;border-radius:50%;background:#dcebed;box-shadow:0 0 25px 5px #9fc7cd5e}.hero-foot{display:flex;justify-content:space-between;gap:20px;padding-block:20px 23px;border-top:1px solid #ffffff26;color:#9fb5b8;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.section{padding-block:clamp(95px,10vw,150px)}.section-grid{display:grid;grid-template-columns:190px minmax(0,1fr);gap:70px}.section-tag{margin:8px 0 0;color:#4d707b}.section-body{max-width:920px;min-width:0}h2{max-width:850px;margin:0;font-size:clamp(42px,4.3vw,61px);font-weight:400;line-height:1.14;letter-spacing:-.039em;text-wrap:balance}.large-copy{max-width:750px;margin:31px 0 0;color:#53646a;font-size:clamp(18px,1.6vw,21px);font-weight:300;line-height:1.61}.section-body a:not(.button){text-decoration:underline;text-underline-offset:4px;text-decoration-color:#829a9d;transition:text-decoration-color .2s}.section-body a:hover{text-decoration-color:currentColor}.mini-label{color:#527a82}
.opening{background:#f7f9f7}.scope-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:82px}.scope-grid>div{border-top:1px solid #b6c8c8;padding-top:23px}.scope-grid strong{display:block;margin:28px 0 13px;font-size:23px;font-weight:400;letter-spacing:-.025em}.scope-grid p,.contribute-grid p{margin:0;color:#5e6c70;font-size:15px;line-height:1.6}.context-note{display:flex;align-items:flex-start;gap:21px;margin-top:72px;padding:28px 0 0;border-top:1px solid #d0ddda}.context-note>span{color:#5b858b;font-size:23px}.context-note p{margin:0;max-width:780px;color:#58676a;font-size:15px;line-height:1.65}.context-note strong{color:#25373b;font-weight:550}
.start{background:#fff}.steps{margin-top:72px;border-top:1px solid #b5c4c2}.steps article{display:grid;grid-template-columns:80px minmax(0,1fr);gap:18px;border-bottom:1px solid var(--line);padding:27px 0 32px}.step-num{padding-top:5px;color:#4d7b83;font-size:12px}.steps h3{margin:0 0 10px;font-size:25px;font-weight:400;letter-spacing:-.023em}.steps p{max-width:710px;margin:0;color:#5c6a6f;font-size:16px;line-height:1.6}.small-note{max-width:820px;margin:31px 0 0;color:#657276;font-size:14px;line-height:1.65}
.roadmap{background:#f2f6f4}.series-list{margin-top:77px;border-top:1px solid #a9bdbb}.series-row{display:grid;grid-template-columns:157px minmax(0,1fr) 28px;gap:25px;align-items:start;padding:32px 0 39px;border-bottom:1px solid #cbd7d4}.series-index span{display:block;font-size:36px;line-height:1;letter-spacing:-.045em;font-weight:350;color:#466b73}.series-index small{display:block;margin-top:16px;font-size:10px;line-height:1.6;letter-spacing:.09em;color:#698088}.series-row h3{margin:0 0 12px;font-size:29px;font-weight:400;letter-spacing:-.028em;line-height:1.25}.series-row p{max-width:685px;margin:0;color:#56676b;font-size:16px;line-height:1.65}.series-row ul{display:flex;gap:8px 22px;flex-wrap:wrap;list-style:none;margin:24px 0 0;padding:0}.series-row li{color:#537079;font-size:12px;line-height:1.5}.series-row li::before{content:"·";margin-right:7px;color:#4a747e}.series-row>a{font-size:22px;line-height:1;color:#446973;text-decoration:none!important}.series-row>a:hover{transform:translate(2px,-2px)}.series-row.published .series-index span{color:#203a44}.roadmap-tail{margin:35px 0 0;color:#657377;font-size:15px;line-height:1.65;max-width:785px}
.decision{background:#182830;color:#f5f8f6}.decision .section-tag{color:#a7c7c8}.decision .large-copy{color:#c4d2d1}.decision-line{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:77px}.decision-line span{min-height:106px;display:flex;align-items:flex-start;border-top:1px solid #afcac87d;padding-top:19px;color:#e2eeed;font-size:16px;line-height:1.4}.decision-caption{max-width:650px;margin:34px 0 0;color:#b4c9c8;font-size:15px;line-height:1.65}
.contribute{background:#fff}.contribute-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:78px}.contribute-grid>div{border-top:1px solid #b6c9c7;padding-top:22px}.contribute-grid h3{margin:25px 0 12px;font-size:24px;font-weight:400;line-height:1.25;letter-spacing:-.025em}.contact-band{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-top:85px;padding:36px;background:#eaf0ee}.contact-band h3{margin:17px 0 8px;font-size:27px;font-weight:400;letter-spacing:-.025em}.contact-band p{max-width:580px;margin:0;color:#5a6a6d;font-size:15px;line-height:1.6}.contact-band .button{flex:none}
.foundation{background:#f7f9f7}.foundation .large-copy a{text-decoration-thickness:1px}.sources{display:grid;grid-template-columns:1fr;max-width:730px;margin-top:75px;border-top:1px solid #bfcecb}.sources>.mini-label{padding:23px 0}.sources a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0;border-top:1px solid var(--line);font-size:15px;text-decoration:none!important}.sources a span{color:#4b747e;font-size:18px}.disclosure{max-width:800px;margin:67px 0 0;padding-top:24px;border-top:1px solid #c7d4d1;color:#68787b;font-size:13px;line-height:1.65}
.site-footer{background:#142129;color:#ebf3f1}.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;padding-block:65px 83px}.footer-links{display:flex;gap:15px 35px;flex-wrap:wrap;max-width:750px;justify-content:flex-end}.footer-links a{color:#bccdce;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-block:22px 27px;border-top:1px solid #ffffff2c;color:#9db6b8;font-size:12px}.footer-bottom a:hover{color:#fff}

/* Terminology page */
.glossary-hero{background:var(--deep);color:#f6f9f8}.glossary-hero-inner{padding-block:112px 118px}.glossary-hero h1{font-size:clamp(56px,6.1vw,81px)}.glossary-hero p:not(.eyebrow){max-width:650px;margin:30px 0 37px;color:#c8d7d7;font-size:21px;line-height:1.55;font-weight:300}.glossary-intro{background:#f5f8f6}.distinctions{margin-top:69px;border-top:1px solid #bbcbc8}.distinctions p{margin:0;padding:20px 0;border-bottom:1px solid #d5dfdc;color:#5a686b;font-size:17px;line-height:1.56}.distinctions strong{color:#273e45;font-weight:550}.glossary-content{background:#fff}.term-tools{margin-top:55px}.term-tools label{display:block;margin-bottom:12px;font-size:13px;font-weight:500;color:#45636b}.search-wrap{position:relative}.search-wrap input{display:block;width:100%;height:62px;padding:0 55px 0 18px;border:1px solid #bfcfcd;border-radius:0;background:#fff;color:var(--ink);font-size:17px;outline:none}.search-wrap input:focus{border-color:#497c86;box-shadow:0 0 0 2px #497c8629}.search-wrap>span{position:absolute;right:21px;top:11px;color:#739097;font-size:32px;line-height:1}.term-filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.term-filters button{border:1px solid #c9d6d3;background:#fff;padding:9px 14px;color:#49656c;font-size:12px;transition:background .2s,border-color .2s}.term-filters button:hover{border-color:#47727b}.term-filters button[aria-pressed="true"]{border-color:var(--deep);background:var(--deep);color:#fff}.result-count{margin:19px 0 0;color:#738184;font-size:12px}.term-groups{margin-top:72px}.term-group{display:grid;grid-template-columns:190px minmax(0,1fr);gap:70px;border-top:1px solid #aebfbd;padding:31px 0 55px}.term-group-head span{color:#5a7c83;font-size:12px}.term-group-head h3{max-width:180px;margin:19px 0 0;font-size:22px;font-weight:400;line-height:1.25;letter-spacing:-.025em}.term-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.term{padding:0 0 28px;margin-bottom:27px;border-bottom:1px solid #e0e7e4;scroll-margin-top:25px}.term h4{margin:0 0 10px;font-size:19px;font-weight:500;letter-spacing:-.018em;line-height:1.35}.term abbr,.term-symbol{margin-left:5px;color:#597981;font-size:13px;font-weight:500;white-space:nowrap}.term p{max-width:440px;margin:0;color:#617074;font-size:15px;line-height:1.6}.term:target{border-bottom-color:#638d94}.term:target h4{color:#265963}.no-results{margin:40px 0 0;padding:28px;background:#f2f6f4;color:#53676e}.reference-sources{background:#f3f7f5}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px;margin-top:62px}.source-grid a{display:flex;justify-content:space-between;gap:15px;padding:19px 0;border-top:1px solid #cbd8d5;font-size:15px;text-decoration:none!important}.source-grid a span{color:#4d7980}.source-grid a:hover{color:#356d77}

/* Research home network link */
.network-entry{margin-top:42px}.section-body a.network-entry{text-decoration:none}

@media(max-width:1050px){.container{width:min(100% - 72px,1200px)}.section-grid,.term-group{grid-template-columns:145px minmax(0,1fr);gap:45px}.site-nav{gap:19px}.hero-inner{min-height:610px}.orbit-art{right:-390px}.contact-band{align-items:flex-start;flex-direction:column}.decision-line{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.container{width:min(100% - 40px,1200px)}.header-inner{min-height:0;display:block;padding-block:20px 17px}.site-nav{margin-top:20px;display:flex;gap:12px 22px;flex-wrap:wrap}.site-nav a{font-size:12px}.hero-inner{min-height:0;padding-block:105px 105px}.hero h1{font-size:clamp(58px,12vw,82px)}.hero-lead{margin-top:30px}.orbit-art{opacity:.23;right:-490px}.hero-foot{font-size:10px}.section{padding-block:82px}.section-grid,.term-group{display:block}.section-tag{margin:0 0 31px}.scope-grid{grid-template-columns:1fr;gap:30px;margin-top:55px}.scope-grid strong{margin-top:16px}.context-note{margin-top:55px}.steps{margin-top:52px}.series-list{margin-top:55px}.series-row{grid-template-columns:95px minmax(0,1fr) 16px;gap:17px}.series-index span{font-size:29px}.series-index small{font-size:9px}.series-row h3{font-size:23px}.series-row ul{display:block}.series-row li+li{margin-top:5px}.decision-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.contribute-grid{grid-template-columns:1fr;gap:30px;margin-top:55px}.contact-band{margin-top:60px;padding:26px}.footer-top{display:block}.footer-links{justify-content:flex-start;margin-top:38px}.glossary-hero-inner{padding-block:80px 90px}.term-groups{margin-top:55px}.term-group{padding-block:30px 45px}.term-group-head{display:flex;align-items:baseline;gap:16px;margin-bottom:32px}.term-group-head h3{max-width:none;margin:0}.term-list{gap:0 25px}}
@media(max-width:530px){.hero h1,.glossary-hero h1{font-size:clamp(48px,12vw,64px)}.hero-expansion{font-size:12px}.hero-foot span:last-child{display:none}.actions{align-items:flex-start;flex-direction:column;gap:25px}.button{width:100%}.large-copy{font-size:18px}.steps article{grid-template-columns:34px minmax(0,1fr);gap:14px}.steps h3{font-size:22px}.series-row{grid-template-columns:1fr 22px;gap:16px}.series-index{grid-column:1/-1;display:flex;align-items:baseline;gap:20px}.series-index small{margin:0}.series-row h3{font-size:24px}.series-row>a{justify-self:end}.decision-line{gap:12px}.decision-line span{min-height:80px;font-size:14px}.contact-band .button{width:100%}.footer-bottom{display:block}.footer-bottom a{display:block;margin-top:14px}.term-list{grid-template-columns:1fr}.term{margin-bottom:22px}.source-grid{grid-template-columns:1fr}.glossary-hero p:not(.eyebrow){font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}