/* SFAI case-study styles only; shared navigation and artwork remain untouched. */
.sfai-case{--sfai-line:#ffffff24;--sfai-muted:#b7c0ba;--sfai-orange:#ffa47c;--sfai-purple:#d4a8ed;--sfai-panel:#ffffff04;margin:48px 0 100px;border-top:1px solid var(--sfai-line);color:var(--fg,#f0f1ee)}
.sfai-case *{box-sizing:border-box}
.sfai-case [id]{scroll-margin-top:160px}
.sfai-case .sfai-kicker{font-size:10px;line-height:1.6;letter-spacing:.13em;text-transform:uppercase;color:var(--sfai-muted)}
.sfai-case h2,.sfai-case h3,.sfai-case h4{margin:0;font-weight:450;letter-spacing:-.04em;text-wrap:balance}
.sfai-case p{margin:0;line-height:1.75}
.sfai-case .sfai-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:8%;padding:66px 0 80px;align-items:start}
.sfai-case .sfai-intro h2{font-size:clamp(36px,4vw,62px);line-height:1.1;margin-top:24px}
.sfai-case .sfai-intro-copy{padding-top:36px}
.sfai-case .sfai-intro-copy>p:first-child{font-size:23px;line-height:1.45;letter-spacing:-.02em;color:var(--fg,#f0f1ee);margin-bottom:23px}
.sfai-case .sfai-intro-copy>p{color:var(--sfai-muted);font-size:15px}
.sfai-case .sfai-section{padding:58px 0 70px;border-top:1px solid var(--sfai-line)}
.sfai-case .sfai-section-heading{display:grid;grid-template-columns:44px minmax(0,760px);gap:20px;margin-bottom:37px}
.sfai-case .sfai-number{font-size:12px;line-height:1.8;color:var(--sfai-orange);font-variant-numeric:tabular-nums}
.sfai-case .sfai-section-heading h3,.sfai-case .sfai-evidence h3{font-size:clamp(29px,3vw,44px);line-height:1.14;margin:15px 0 22px}
.sfai-case .sfai-section-heading>div>p:last-child{font-size:15px;color:var(--sfai-muted);max-width:680px}
.sfai-case .sfai-before-after{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sfai-case .sfai-before-after>div{padding:30px;border:1px solid var(--sfai-line);border-radius:14px;background:var(--sfai-panel)}
.sfai-case .sfai-before-after h4{font-size:27px;line-height:1.2;margin:14px 0 30px}
.sfai-case .sfai-before-after>div>p:last-child{font-size:14px;color:var(--sfai-muted);margin-top:27px}
.sfai-case .sfai-after{background:linear-gradient(145deg,#ff99600c,#ffffff02);border-color:#ffa47c45}
.sfai-case .sfai-path{display:grid;gap:10px;justify-items:center;text-align:center;font-size:12px;line-height:1.5}
.sfai-case .sfai-path>span:not([aria-hidden]){border:1px solid #ffffff25;padding:12px 18px;border-radius:7px;background:#10171755}
.sfai-case .sfai-path>span[aria-hidden]{color:#b7bfb9;font-size:18px}
.sfai-case .sfai-path>div{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.sfai-case .sfai-path>div>span{padding:9px 12px;border:1px solid #ffffff20;border-radius:5px}
.sfai-case .sfai-after .sfai-path>span:first-child{border-color:#ffa47c60;color:#ffc3a4}
.sfai-case .sfai-diagram-note{font-size:11px;color:#9ba7a0;line-height:1.65;margin-top:16px;max-width:750px}
.sfai-case .sfai-nav-plan{margin-top:44px}
.sfai-case .sfai-nav-order{list-style:none;padding:0;margin:19px 0 0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--sfai-line);border-radius:10px;overflow:hidden}
.sfai-case .sfai-nav-order li{display:flex;flex-direction:column;gap:12px;border-right:1px solid var(--sfai-line);border-top:3px solid #ffffff25;padding:18px 13px 21px;min-width:0}
.sfai-case .sfai-nav-order li:last-child{border-right:0}
.sfai-case .sfai-nav-order li:first-child{border-top-color:var(--sfai-orange)}
.sfai-case .sfai-nav-order .sfai-admission{border-top-color:var(--sfai-purple);background:#d4a8ed0b}
.sfai-case .sfai-nav-order li>span{font-size:10px;color:#9aa8a0}
.sfai-case .sfai-nav-order strong{font-size:12px;line-height:1.5;font-weight:500;overflow-wrap:anywhere}
.sfai-case .sfai-nav-note{font-size:13px;line-height:1.7;color:var(--sfai-muted);margin-top:21px;max-width:730px}
.sfai-case .sfai-nav-note strong{font-weight:500;color:#e8d0f5}
.sfai-case .sfai-disclosure{border-top:1px solid var(--sfai-line);border-bottom:1px solid var(--sfai-line);margin-top:32px}
.sfai-case .sfai-disclosure summary{display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font-size:13px;line-height:1.5;min-height:62px;padding:18px 0}
.sfai-case .sfai-disclosure summary::-webkit-details-marker{display:none}
.sfai-case .sfai-chevron{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:transform .15s}
.sfai-case .sfai-disclosure[open]>summary>.sfai-chevron{transform:rotate(180deg)}
.sfai-case .sfai-disclosure>summary:focus-visible,.sfai-case a:focus-visible{outline:2px solid var(--sfai-orange);outline-offset:5px}
.sfai-case .sfai-source-stack{display:grid;gap:32px;padding:8px 0 30px}
.sfai-case .sfai-artifact{margin:0;min-width:0}
.sfai-case .sfai-image-link{display:block;width:100%;border:1px solid var(--sfai-line);border-radius:5px;overflow:hidden;background:#e7e7e7}
.sfai-case .sfai-artifact img{width:100%;height:auto;display:block;object-fit:contain;max-width:none}
.sfai-case .sfai-artifact figcaption{font-size:11px;line-height:1.7;color:var(--sfai-muted);margin-top:13px}
.sfai-case .sfai-artifact figcaption>span{display:block;text-transform:uppercase;font-size:9px;letter-spacing:.1em;color:#d6ded7;margin-bottom:5px}
.sfai-case .sfai-topic-disclosure{margin:0 0 36px}
.sfai-case .sfai-topics{list-style:none;padding:4px 0 26px;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 24px}
.sfai-case .sfai-topics li{font-size:13px;line-height:1.6;padding:9px 0;border-bottom:1px solid #ffffff10}
.sfai-case .sfai-subject-example{display:grid;grid-template-columns:1.15fr 1fr;gap:6%;align-items:start}
.sfai-case .sfai-sequence{padding-top:6px}
.sfai-case .sfai-sequence ol{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:26px}
.sfai-case .sfai-sequence li{display:grid;grid-template-columns:27px minmax(0,1fr);gap:13px}
.sfai-case .sfai-sequence li>span{font-size:10px;color:var(--sfai-orange);padding-top:4px}
.sfai-case .sfai-sequence h4{font-size:21px;line-height:1.2;margin-bottom:9px}
.sfai-case .sfai-sequence p{font-size:13px;color:var(--sfai-muted);line-height:1.75}
.sfai-case .sfai-purpose-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sfai-case .sfai-purpose-grid article{border-top:2px solid #ffffff25;padding-top:23px}
.sfai-case .sfai-purpose-grid article:first-child{border-top-color:var(--sfai-purple)}
.sfai-case .sfai-purpose-grid h4{font-size:24px;line-height:1.2;margin:14px 0 19px}
.sfai-case .sfai-purpose-grid article>p:not(.sfai-kicker){font-size:14px;color:var(--sfai-muted)}
.sfai-case .sfai-route-list{list-style:none;padding:0;margin:23px 0 0;display:grid;gap:9px}
.sfai-case .sfai-route-list li{font-size:12px;padding-top:9px;border-top:1px solid #ffffff12;color:#dce2dc}
.sfai-case .sfai-portal{display:grid;grid-template-columns:1fr 1fr;gap:8%;margin-top:60px;padding:37px;border:1px solid #bdcde333;border-radius:15px;background:linear-gradient(140deg,#9db7dc0b,#ffffff02)}
.sfai-case .sfai-portal h4{font-size:clamp(29px,3vw,40px);line-height:1.14;margin:20px 0 24px}
.sfai-case .sfai-portal>div>p:not(.sfai-kicker){font-size:14px;color:var(--sfai-muted)}
.sfai-case .sfai-portal-map{text-align:center;display:grid;align-content:center;justify-items:center;gap:12px;font-size:12px;line-height:1.6}
.sfai-case .sfai-portal-entry,.sfai-case .sfai-portal-destinations{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.sfai-case .sfai-portal-entry span,.sfai-case .sfai-portal-destinations span{border:1px solid #adc2df40;border-radius:6px;padding:10px 13px}
.sfai-case .sfai-portal-node{background:#adc2df15;border:1px solid #adc2df70;border-radius:8px;padding:17px 28px;font-size:17px;font-weight:500}
.sfai-case .sfai-arrow{font-size:19px;color:#adc2df}
.sfai-case .sfai-portal-map .sfai-diagram-note{font-size:10px;margin:8px 0 0;max-width:330px}
.sfai-case .sfai-evidence{display:grid;grid-template-columns:1.1fr 1fr;gap:8%;padding:45px 0 0;border-top:1px solid var(--sfai-line);align-items:start}
.sfai-case .sfai-evidence>div>p:not(.sfai-kicker){font-size:13px;color:var(--sfai-muted);margin-top:20px;max-width:650px}
.sfai-case .sfai-evidence>.sfai-disclosure{margin-top:0}
.sfai-case .sfai-evidence .sfai-artifact{padding-bottom:24px}
.sfai-case .sfai-source-link{display:inline-block;font-size:12px;line-height:1.6;margin-top:22px;border-bottom:1px solid #b8c8bc80;padding-bottom:4px}
.sfai-case .sfai-source-notes{margin:0;display:grid;gap:22px}
.sfai-case .sfai-source-notes>div{padding-top:18px;border-top:1px solid var(--sfai-line)}
.sfai-case .sfai-source-notes dt{font-size:14px;line-height:1.5}
.sfai-case .sfai-source-notes dd{font-size:12px;line-height:1.75;color:var(--sfai-muted);margin:9px 0 0}
@media(max-width:1050px){.sfai-case .sfai-nav-order{grid-template-columns:repeat(4,minmax(0,1fr))}.sfai-case .sfai-nav-order li:nth-child(4){border-right:0}.sfai-case .sfai-nav-order li:nth-child(n+5){border-top-width:1px}.sfai-case .sfai-intro{gap:5%}.sfai-case .sfai-portal{padding:28px;gap:6%}}
@media(max-width:760px){
 .sfai-case{margin:20px 0 65px}.sfai-case [id]{scroll-margin-top:140px}
 .sfai-case .sfai-intro{grid-template-columns:1fr;gap:25px;padding:40px 0 45px}.sfai-case .sfai-intro-copy{padding-top:0}
 .sfai-case .sfai-intro h2{font-size:clamp(33px,8vw,49px);margin-top:18px}.sfai-case .sfai-intro-copy>p:first-child{font-size:21px;margin-bottom:17px}
 .sfai-case .sfai-section{padding:40px 0 46px}.sfai-case .sfai-section-heading{grid-template-columns:23px minmax(0,1fr);gap:12px;margin-bottom:28px}
 .sfai-case .sfai-section-heading h3,.sfai-case .sfai-evidence h3{font-size:30px}.sfai-case .sfai-section-heading>div>p:last-child{font-size:14px}
 .sfai-case .sfai-before-after{grid-template-columns:1fr;gap:16px}.sfai-case .sfai-before-after>div{padding:24px}.sfai-case .sfai-before-after h4{font-size:25px;margin-bottom:23px}
 .sfai-case .sfai-nav-order{grid-template-columns:1fr 1fr}.sfai-case .sfai-nav-order li{padding:15px;gap:8px;border-top-width:1px}.sfai-case .sfai-nav-order li:nth-child(-n+2){border-top-width:3px}
 .sfai-case .sfai-nav-order li:nth-child(even){border-right:0}.sfai-case .sfai-nav-order strong{font-size:13px}.sfai-case .sfai-topics{grid-template-columns:1fr 1fr;gap:5px 18px}
 .sfai-case .sfai-subject-example{grid-template-columns:1fr;gap:33px}.sfai-case .sfai-sequence ol{gap:23px}
 .sfai-case .sfai-purpose-grid{grid-template-columns:1fr;gap:32px}.sfai-case .sfai-purpose-grid h4{font-size:25px}.sfai-case .sfai-route-list{grid-template-columns:1fr 1fr;gap:8px 20px}
 .sfai-case .sfai-portal{grid-template-columns:1fr;gap:32px;padding:24px;margin-top:40px}.sfai-case .sfai-portal h4{font-size:32px}
 .sfai-case .sfai-evidence{grid-template-columns:1fr;gap:32px;padding-top:33px}.sfai-case .sfai-disclosure summary{font-size:12px}
}
@media(max-width:360px){.sfai-case .sfai-before-after>div,.sfai-case .sfai-portal{padding:18px}.sfai-case .sfai-topics{grid-template-columns:1fr}.sfai-case .sfai-nav-order li{padding:12px 10px}.sfai-case .sfai-nav-order strong{font-size:12px}}
@media(prefers-reduced-motion:reduce){.sfai-case .sfai-chevron{transition:none}}
@media(forced-colors:active){.sfai-case{--sfai-line:CanvasText;--sfai-muted:CanvasText;--sfai-orange:LinkText;--sfai-purple:LinkText}.sfai-case .sfai-before-after>div,.sfai-case .sfai-portal,.sfai-case .sfai-nav-order li,.sfai-case .sfai-path span,.sfai-case .sfai-portal-node{border-color:CanvasText}.sfai-case .sfai-nav-note strong{color:CanvasText}}