/* Shared brand furniture and readable supporting type for the local C3 study. */
:root{--bar:76px;--copy-ink:#68494e;--copy-light:#cfc1b7}
.method-header{height:76px;padding:0 6%;gap:32px;border-bottom:1px solid #38141d24;letter-spacing:0}
.method-header .header-brand{display:flex;align-items:center;gap:20px;min-height:44px;padding:0;flex-shrink:0}
.method-mark{display:block;width:138px;height:24px;background:currentColor;mask:url('assets/method-wordmark-ivory.svg') center/contain no-repeat}
.brand-descriptor{font-size:10px;letter-spacing:.14em;border-left:1px solid #38141d30;padding-left:20px}
.primary-nav{display:flex;align-items:center;gap:29px;margin-left:auto}
.method-header .primary-nav a{display:flex;align-items:center;gap:17px;min-height:44px;font-size:12px;position:relative;padding:0}
.primary-nav a:after{content:"";height:1px;background:currentColor;position:absolute;bottom:8px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.primary-nav a:hover:after,.primary-nav a:focus-visible:after,.primary-nav a[aria-current]:after{transform:scaleX(1)}
.primary-nav a>span{font-size:19px}
.method-header .header-tools{display:flex;align-items:center;gap:24px;margin-left:6px}
.method-header .chapter-menu summary{font-size:12px;min-height:44px;gap:12px;padding:0 4px}
.method-header .chapter-menu .chapter-position{font-size:10px;letter-spacing:.06em;opacity:.65;font-variant-numeric:tabular-nums;transform:none}
.method-header .chapter-menu .menu-symbol{font-size:20px;line-height:1}
.method-header .chapter-menu nav{top:calc(100% + 16px);right:-12px;width:270px;padding:12px;background:var(--chalk);box-shadow:0 16px 30px #17171714}
.method-header .chapter-menu nav a{font-size:14px;min-height:48px;gap:22px}
.chapter-menu nav a>span{font-size:11px}
.method-header #motion-toggle{min-height:44px;font-size:12px;gap:5px;white-space:nowrap}
.switch{width:28px;height:17px;margin-left:5px}
.switch:after{width:7px;height:7px;top:4px;left:4px}
[aria-pressed=true] .switch:after{transform:translateX(11px)}
.site-header .header-descriptor{display:block;font-size:10px;line-height:1.75;letter-spacing:.12em;border:0;padding:0;color:var(--copy-light)}
.site-header .text-link{font-size:12px}

/* The large editorial titles retain their scale; their supporting copy can be read. */
.intro,.observation p{font-size:14px;line-height:1.75;color:var(--copy-light)}
.eyebrow,.observation-index{font-size:10px;line-height:1.5;letter-spacing:.12em}
.circle-link,.quiet-link{font-size:12px}
.circle{width:44px;height:44px;flex-shrink:0}
.chapters{gap:25px}
.chapters a{font-size:11px;gap:9px}
.scroll-cue{font-size:10px;letter-spacing:.1em}
body[data-motion=on] .turn-controls>div{font-size:10px;letter-spacing:.06em}
.detail-facts{max-width:380px;margin-top:26px}
.detail-facts li{gap:16px;padding:13px 0 11px}
.detail-facts li>span{font-size:11px}
.detail-facts strong{font-size:15px}
.detail-facts p{font-size:13px;line-height:1.6;color:var(--copy-light)}
.diagram-caption{font-size:11px;letter-spacing:.1em}
.editorial-index,.swift-index,.contact-index{font-size:11px;letter-spacing:.1em}
.editorial-index,.swift-index{color:var(--copy-ink)}
.method-lede p:last-child,.swift-introduction>p>span,.method-principles p,.atlas-heading>p,.atlas-figure figcaption p,.swift-studies-heading>p:last-child,.swift-study-body p:last-child{font-size:14px;line-height:1.8;color:var(--copy-ink)}
.method-lede p:last-child{max-width:350px}
.method-principles p{max-width:240px}
.principle-number,.atlas-number{font-size:11px;color:var(--copy-ink)}
.method-film figcaption,.film-mark{font-size:10px;letter-spacing:.1em}
body[data-motion] .method-film .film-control{font-size:12px;min-height:48px;gap:12px}
.method-film .film-duration{font-size:11px}
.method-close>span,.swift-close>span,.contact-bottom>span{font-size:10px;line-height:1.6;letter-spacing:.1em}
.swift-kicker{font-size:10px;line-height:1.6;letter-spacing:.12em;color:var(--copy-ink)}
.atlas-heading>p{max-width:365px}
.atlas-photo-label{font-size:9px;letter-spacing:.08em;line-height:1.5}
.atlas-credit,.swift-record-caption{font-size:12px;line-height:1.75;color:var(--copy-ink)}
.atlas-credit a{min-height:36px;line-height:1.6;padding:8px 0}
.swift-record-index,.swift-status,.swift-identity>p,.swift-year-label{font-size:10px;line-height:1.6;letter-spacing:.1em}
.swift-project-facts dt{font-size:10px;letter-spacing:.1em;color:#d6bbb8}
.swift-project-facts dd{font-size:14px;line-height:1.7}
.swift-study-number{font-size:11px}
.swift-study-title>span{font-size:10px;letter-spacing:.1em}
.swift-study-body p:first-child{font-size:16px;line-height:1.7}
.contact-link-label{font-size:10px;line-height:1.6;letter-spacing:.1em}
.contact-handle{font-size:16px}
.reference-viewer-top h2,.reference-close,.reference-viewer figcaption{font-size:12px}
.reference-viewer img{max-height:calc(100svh - 230px)}

/* The close belongs to the brand; provenance remains available in its disclosure. */
.method-footer{display:block;padding:55px 6% 22px;border-top:1px solid #f1e8de30;background:var(--oxblood)}
.footer-main{display:grid;grid-template-columns:1fr 1.1fr .8fr;gap:6%;align-items:start;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;min-height:44px;width:fit-content}
.footer-brand img{display:block;width:clamp(180px,19vw,280px);height:auto;max-width:100%}
.footer-statement{font:400 clamp(22px,2vw,30px)/1.3 Newsreader,Georgia,serif;letter-spacing:-.015em;color:#e1ccc5;margin:0}
.footer-nav{display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.footer-nav a{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:44px;font-size:13px}
.footer-nav a>span{font-size:20px}
.footer-nav a:hover,.footer-meta a:hover{text-decoration:underline;text-underline-offset:6px}
.footer-meta{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:65px;border-top:1px solid #f1e8de30}
.footer-meta>span{font-size:10px;letter-spacing:.12em;color:#d6bbb8}
.footer-meta a{font-size:13px;display:flex;gap:22px;align-items:center;min-height:44px}
.footer-meta a>span{font-size:18px}
.method-footer .study-notes{border-color:#f1e8de30}
.study-notes summary{font-size:12px;min-height:56px;line-height:1.6;gap:22px}
.study-notes>div{max-width:780px}
.study-notes p{font-size:13px;line-height:1.8;color:#ddc7c1}

@media(max-width:1150px){
 .brand-descriptor{display:none}
 .method-header{gap:22px}
 .primary-nav{gap:22px}
 .method-header .header-tools{gap:18px}
 .method-header .chapter-menu .chapter-position{display:none}
 .method-principles{gap:22px}
 .chapters{gap:18px}
 .scroll-cue{font-size:9px}
}
@media(min-width:761px) and (max-height:740px){
 .method-header{height:64px}
 .method-header .chapter-menu nav{top:calc(100% + 10px)}
 body[data-motion=on] .detail-copy{top:17%}
 .detail-facts{margin-top:16px}
 .detail-facts li{padding:9px 0 7px}
 .detail-facts p{font-size:12px}
 body[data-motion=on] .turn-copy{top:19%}
}
@media(max-width:760px){
 :root{--bar:64px}
 .method-header{height:64px;padding:0 6%;gap:15px}
 .method-mark{width:112px;height:21px}
 .primary-nav{display:none}
 .method-header .header-tools{gap:17px;margin-left:auto}
 .method-header .chapter-menu summary{font-size:12px;gap:9px;padding:0}
 .method-header #motion-toggle{font-size:11px;gap:4px}
 .method-header .chapter-menu nav{right:-100px;top:calc(100% + 10px);width:min(300px,calc(100vw - 32px))}
 .site-header .header-descriptor{font-size:9px}
 .site-header .text-link{font-size:11px;gap:12px}
 .intro,.observation p{font-size:13px;line-height:1.65}
 .observation-index,.eyebrow{font-size:10px}
 .observation p br{display:none}
 .observation p{max-width:300px}
 .observation-track{margin-top:14px}
 body[data-motion=on] .turn-copy .angle-display{top:133px;font-size:34px}
 .circle-link{font-size:12px;gap:14px}
 .chapters{gap:16px}
 .chapters a{font-size:10px;gap:6px}
 body[data-motion=on] .stage .detail-copy{top:44%}
 body[data-motion=on] .detail-copy h2{font-size:clamp(30px,7.5vw,42px);line-height:1.05;margin-bottom:14px}
 body[data-motion=on] .detail-copy .eyebrow{font-size:10px;margin-bottom:10px}
 .detail-facts{display:block;margin:12px 0 0;max-width:none}
 .detail-facts li{display:flex;gap:14px;padding:8px 0 7px}
 .detail-facts li>span{font-size:10px;min-width:18px;padding-top:2px;margin:0}
 .detail-facts strong{font-size:13px}
 .detail-facts p{font-size:12px;line-height:1.45;margin-top:2px}
 .editorial-index,.swift-index,.contact-index{font-size:10px;letter-spacing:.08em}
 .swift-index>span:last-child,.contact-index>span:last-child{font-size:9px;line-height:1.5;max-width:130px;text-align:right}
 .method-principles p{font-size:14px;max-width:340px}
 .method-principles li{padding:25px 0}
 .method-close>span,.swift-close>span,.contact-bottom>span{font-size:9px;max-width:140px;letter-spacing:.05em}
 .method-close .circle-link,.swift-close .circle-link,.contact-bottom .circle-link{font-size:12px;gap:12px}
 .swift-close .circle-link[data-go=contact]{max-width:190px}
 .atlas-heading>p{font-size:14px;max-width:440px}
 .atlas-photo-label{font-size:8px;padding:7px 9px}
 .atlas-figure figcaption p{font-size:14px}
 .atlas-credit{font-size:12px}
 .swift-record-index>span:first-child{max-width:145px;line-height:1.6}
 .swift-record-index,.swift-status{font-size:9px;letter-spacing:.04em}
 .swift-project-facts dt{font-size:10px;letter-spacing:.04em}
 .swift-project-facts dd{font-size:13px}
 .swift-project-facts>div{grid-template-columns:.85fr 1.15fr;gap:14px}
 .swift-study-title>span{font-size:10px;letter-spacing:.08em}
 .swift-study-body p:first-child{font-size:16px}
 .swift-study-body p:last-child{font-size:14px}
 .swift-record-caption{font-size:12px}
 .contact-handle{font-size:16px}
 .reference-viewer-top h2{font-size:11px}
 .reference-viewer figcaption{font-size:12px}
 .method-footer{padding:39px 7% 18px}
 .footer-main{grid-template-columns:1fr;gap:27px;padding-bottom:30px}
 .footer-brand img{width:200px}
 .footer-statement{font-size:26px;line-height:1.3}
 .footer-nav{gap:0}
 .footer-nav a{font-size:14px;min-height:44px}
 .footer-meta{gap:15px;min-height:76px}
 .footer-meta>span{font-size:9px;line-height:1.7;max-width:110px}
 .footer-meta a{font-size:12px;gap:12px}
 .study-notes summary{font-size:12px;min-height:60px}
 .study-notes p{font-size:13px}
}
@media(max-width:380px){
 .method-header{padding:0 5%;gap:10px}
 .method-mark{width:94px;height:19px}
 .method-header .header-tools{gap:12px}
 .method-header .chapter-menu summary{gap:7px;font-size:11px}
 .method-header .chapter-menu nav{right:-97px}
 body[data-motion=on] .detail-copy h2{font-size:28px}
 .chapters{gap:12px}
 .chapters a{font-size:9px}
 .atlas-photo-label{font-size:8px;padding:5px 7px}
 .swift-record{padding:22px 18px}
 .swift-record-index{align-items:flex-start;gap:16px}
 .swift-record-index>span:first-child{max-width:115px}
 .swift-status{white-space:normal;max-width:90px}
 .method-close>span,.swift-close>span,.contact-bottom>span{max-width:105px}
 .method-close .circle-link,.swift-close .circle-link,.contact-bottom .circle-link{font-size:11px;gap:9px}
}
@media(min-width:481px) and (max-width:760px) and (max-height:650px){
 body[data-motion=on] .turn-copy{top:22%}
 .observation h3{font-size:32px;line-height:1.02;margin:12px 0}
 .observation p{font-size:12px;line-height:1.55}
 body[data-motion=on] .turn-copy .angle-display{position:relative;top:auto;font-size:28px;margin-top:12px}
 body[data-motion=on] .stage .detail-copy{left:55%;top:18%;width:39%}
 body[data-motion=on] .detail-copy h2{font-size:27px;margin-bottom:12px}
 .detail-facts{margin-top:8px}
 .detail-facts li{gap:8px;padding:8px 0 6px}
 .detail-facts li>span{min-width:15px}
 .detail-facts strong{font-size:13px}
 .detail-facts p{font-size:12px}
 .method-introduction{grid-template-columns:1fr;gap:26px}
 .method-lede p:last-child{font-size:14px;max-width:420px}
 .method-process{grid-template-columns:1fr;gap:32px}
 .method-film{max-width:430px}
 .method-principles li:first-child{border-top:1px solid #38141d44;padding-top:22px}
 .method-principles p{font-size:14px}
 .swift-introduction{grid-template-columns:1fr;gap:25px}
 .swift-introduction>p>span{font-size:14px}
 .swift-project-facts{gap:15px}
 .swift-project-facts dt{font-size:9px}
 .swift-project-facts dd{font-size:12px}
 .footer-main{grid-template-columns:1fr 1fr;gap:30px}
 .footer-statement{font-size:23px}
 .footer-nav{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:6px 27px}
}