.purpose-hero,.purpose-teaser{position:relative;background:#17191b;color:#fff;isolation:isolate}.purpose-hero>img,.purpose-teaser>img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.purpose-hero:after,.purpose-teaser:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#071216a8,transparent 48%);z-index:0;pointer-events:none}.purpose-hero-copy{position:absolute;left:0;right:0;top:clamp(30px,3.5vw,65px);text-align:center;z-index:1}.purpose-hero .eyebrow,.purpose-teaser .eyebrow{color:#ebecee}.purpose-hero h1{font-size:clamp(38px,4.5vw,76px);line-height:1.08;letter-spacing:-.045em;margin:14px 0 18px;font-weight:500}.purpose-hero-copy>p{font-size:clamp(15px,1.2vw,19px);line-height:1.65;color:#fff}.purpose-intro{padding-block:85px 55px;max-width:900px}.purpose-intro>span{font-size:11px;letter-spacing:.13em;color:#626b74}.purpose-intro p{font-size:22px;line-height:1.8;letter-spacing:-.018em;margin-top:27px;color:#383c41}.purpose-index{display:flex;gap:30px;padding-block:0 32px;border-bottom:1px solid #dadde0;overflow:auto;white-space:nowrap}.purpose-index a{font-size:13px;padding-block:12px;color:#484e54}.purpose-chapter{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(35px,6vw,90px);align-items:center;padding-block:95px}.purpose-copy{min-width:0}.purpose-copy h2,.purpose-example h2{font-size:clamp(32px,3.2vw,49px);line-height:1.16;letter-spacing:-.04em;margin:23px 0 26px}.purpose-copy p,.purpose-example p{font-size:16px;line-height:1.85;margin-top:20px;color:#575e65}.purpose-chapter figure{margin:0;min-width:0}.purpose-chapter figure img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:16px}.purpose-chapter figcaption{font-size:11px;line-height:1.65;margin-top:15px;color:#7a887f}.purpose-chapter.is-reverse{grid-template-columns:1.15fr 1fr}.purpose-chapter.is-reverse .purpose-copy{order:2}.purpose-chapter.is-reverse figure{order:1}.purpose-citation{color:#454b51;font-size:12px;line-height:1.65;text-decoration:underline;text-decoration-color:#929ba3;text-underline-offset:4px}.purpose-facts{display:grid;grid-template-columns:1fr 1fr;gap:35px 75px;padding:55px 0;border-top:1px solid #d1d4d8;border-bottom:1px solid #d1d4d8}.purpose-facts strong{font-size:clamp(44px,5vw,76px);font-weight:500;line-height:1.15;letter-spacing:-.04em;color:#3f4449}.purpose-facts strong span{font-size:.35em;letter-spacing:-.02em}.purpose-facts div p{font-size:17px;line-height:1.65;max-width:360px;margin:18px 0 10px}.purpose-facts .purpose-scope{grid-column:1/-1;font-size:12px;line-height:1.7;max-width:740px;color:#748279}.purpose-example{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;padding-block:80px;border-top:1px solid #dee0e2;border-bottom:1px solid #dee0e2;align-items:center}.purpose-range{padding:38px;background:#eceeef;border:1px solid #d8dbdd;border-radius:22px;color:#383c41}.purpose-range>span{font-size:10px;letter-spacing:.1em;display:block;margin-bottom:30px}.purpose-range strong{font-size:clamp(28px,3.1vw,44px);font-weight:500;letter-spacing:-.035em;line-height:1.3;display:block}.purpose-range small{font-size:.47em;font-weight:400;white-space:nowrap}.purpose-range p{font-size:14px;line-height:1.6;margin-top:10px}.purpose-range hr{height:1px;border:0;background:#ced2d6;margin:28px 0}.purpose-closing{padding-block:110px;text-align:center;max-width:1000px}.purpose-closing h2{font-size:clamp(34px,3.7vw,56px);line-height:1.2;letter-spacing:-.04em;margin-block:25px 32px}.purpose-closing p{font-size:18px;line-height:1.85;max-width:720px;margin:20px auto;color:#5b636b}.purpose-closing .button{margin-top:25px}.purpose-sources{border-top:1px solid #d8dbde;padding-block:55px}.purpose-sources h2{font-size:29px;line-height:1.25;margin-block:20px 30px}.purpose-sources ol{display:grid;grid-template-columns:1fr 1fr;gap:25px 70px;padding-left:18px}.purpose-sources li{padding-left:5px;line-height:1.7;font-size:12px}.purpose-sources li p,.purpose-footnote{font-size:12px;line-height:1.8;color:#7b867e;margin-top:10px}.purpose-footnote{max-width:900px;margin-top:35px}.purpose-teaser>div{position:absolute;z-index:1;inset:35px 0 auto;text-align:center}.purpose-teaser h2{font-size:clamp(36px,4vw,62px);line-height:1.1;letter-spacing:-.04em;margin-block:14px 20px}.purpose-teaser p{font-size:16px;line-height:1.7;color:#fff}.purpose-teaser .button{margin-top:23px}.purpose-teaser:after{background:linear-gradient(180deg,#071216cc,transparent 70%)}
@media(min-width:1600px){.purpose-hero-copy{top:4vw}.purpose-teaser>div{top:4vw}}
@media(max-width:1000px){.purpose-chapter,.purpose-chapter.is-reverse{gap:35px}.purpose-copy p,.purpose-example p{font-size:15px}.purpose-copy h2{font-size:34px}.purpose-example{gap:35px}.purpose-teaser>div{top:25px}.purpose-teaser h2{font-size:38px}}
@media(max-width:800px){.purpose-hero>img,.purpose-teaser>img{aspect-ratio:16/9}.purpose-hero-copy,.purpose-teaser>div{position:relative;inset:auto;padding-block:35px 40px;text-align:left}.purpose-hero:after,.purpose-teaser:after{display:none}.purpose-hero h1{font-size:clamp(34px,6.5vw,48px);margin-block:17px 20px}.purpose-hero-copy>p{font-size:16px}.purpose-intro{padding-block:50px 35px}.purpose-intro p{font-size:19px;line-height:1.8}.purpose-index{gap:25px}.purpose-chapter,.purpose-chapter.is-reverse{grid-template-columns:1fr;padding-block:50px;gap:30px}.purpose-copy h2{font-size:36px}.purpose-copy p{font-size:16px;line-height:1.85}.purpose-chapter.is-reverse .purpose-copy{order:0}.purpose-chapter.is-reverse figure{order:0}.purpose-chapter figure img{aspect-ratio:16/10;border-radius:12px}.purpose-facts{grid-template-columns:1fr;gap:38px;padding-block:35px}.purpose-facts strong{font-size:62px}.purpose-facts div p{font-size:16px;margin-top:13px;max-width:none}.purpose-example{grid-template-columns:1fr;gap:32px;padding-block:50px}.purpose-example h2{font-size:35px}.purpose-example p{font-size:16px}.purpose-range{padding:28px}.purpose-range strong{font-size:36px}.purpose-closing{padding-block:70px}.purpose-closing h2{font-size:34px}.purpose-closing p{font-size:17px}.purpose-sources ol{grid-template-columns:1fr;gap:24px}.purpose-sources h2{font-size:27px}.purpose-teaser h2{font-size:36px}}

.purpose-chapter figure img{aspect-ratio:auto}.purpose-hero img,.purpose-teaser img{object-position:center!important}@media(max-width:380px){.purpose-range strong{font-size:30px}}
.purpose-teaser>div{bottom:35px;display:flex;flex-direction:column;align-items:center}.purpose-teaser .button{margin-top:auto}@media(max-width:800px){.purpose-teaser>div{bottom:auto;display:block}.purpose-teaser .button{margin-top:23px}}