*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:#fff;color:#142139;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.65}a{color:#2550df;text-decoration:none}a:hover{text-decoration:underline}button,select{font:inherit}button,a,select,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2550df;outline-offset:5px}[hidden]{display:none!important}.wrap{width:min(1160px,calc(100% - 48px));margin:auto}header{border-bottom:1px solid #e6eaf2;background:#ffffffed;position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}nav{max-width:1160px;min-height:72px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:12px 24px;gap:20px}nav .brand{font-size:26px;font-weight:800;letter-spacing:-1px;color:#142139}nav div{display:flex;gap:27px;font-size:14px}nav div a{color:#526078}.brand-dot{color:#2550df}.hero{text-align:center;padding-top:64px;padding-bottom:65px}.eyebrow{color:#2550df;font-size:12px;font-weight:750;letter-spacing:2px;margin:0 0 18px}h1{font-size:clamp(26px,3.1vw,42px);line-height:1.25;letter-spacing:-1.3px;margin:0;font-weight:650}h1>span{display:block;color:#2550df;font-size:clamp(58px,7vw,88px);font-weight:800;letter-spacing:-4px;margin-bottom:16px}.lead{font-size:21px;color:#5a667a;line-height:1.55;margin:26px auto}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:28px 0 44px}.button,button{display:inline-block;padding:10px 22px;border-radius:7px;background:#2550df;color:white;font-weight:600;border:1px solid #2550df;font-size:14px}.button.secondary{background:#fff;color:#142139;border-color:#d9dfeb}.unavailable{background:#edf1ff;color:#4861a1;border-color:#dbe3ff}.hero-videos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}figure{margin:0;min-width:0}video{display:block;width:100%;background:#111827;border-radius:8px;aspect-ratio:16/9;object-fit:contain}figcaption{font-size:14px;color:#526078;padding:12px 0;text-align:left}.caption{font-size:14px;color:#667286;margin-top:14px}h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-1px;margin:0 0 24px}h3{font-size:21px;line-height:1.35;margin:12px 0}.intro{max-width:850px;color:#526078;font-size:18px}.band{background:#f5f7fb;padding:70px 0}.section{padding-top:75px;padding-bottom:75px}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin:40px 0}.principles article{border-top:2px solid #d9e1f6;padding-top:18px}.principles span{color:#2550df;font-size:12px;letter-spacing:1.5px;font-weight:700}.principles p{font-size:16px;color:#5a667a}.method{background:white;padding:24px;border:1px solid #e1e6ef;border-radius:10px}.method img{width:100%;display:block}.demo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 20px;margin-top:30px}details{border-top:1px solid #dce2ec;margin-top:30px;padding-top:22px}summary{cursor:pointer;font-weight:600}.memory video{max-width:100%;margin-top:30px;aspect-ratio:auto;max-height:620px}.table-wrap{overflow-x:auto;margin-top:32px}table{border-collapse:collapse;width:100%;font-size:16px;text-align:right;font-variant-numeric:tabular-nums}caption{text-align:left;font-size:14px;margin-bottom:12px;color:#667286}th,td{padding:16px 20px;border-bottom:1px solid #e2e7f0;white-space:nowrap}th:first-child{text-align:left}thead{background:#f5f7fb}.ours{background:#edf2ff;color:#2245bd;font-weight:750}.comparison-heading{margin-top:48px}select{padding:9px;border:1px solid #cbd3e2;border-radius:6px;background:white;color:#142139;font-size:15px}.resources{text-align:center}.resources p{color:#5a667a}.resources pre{text-align:left;white-space:pre-wrap;overflow-wrap:anywhere;background:white;padding:22px;border:1px solid #dce2ec;font-size:14px}footer{padding:30px 0;font-size:14px;color:#667286}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:99}.skip:focus{top:10px}#authors{margin-bottom:0}#affiliations{margin-top:4px;color:#667286;font-size:15px}@media(max-width:760px){nav{flex-wrap:wrap;gap:6px}nav div{gap:18px;flex-wrap:wrap}.wrap{width:calc(100% - 32px)}.hero{padding-top:40px}.hero-videos,.principles,.demo-grid{grid-template-columns:1fr}.hero-videos{max-width:520px;margin:auto}.principles{gap:18px}.band,.section{padding-top:48px;padding-bottom:48px}.desktop{display:none}.lead{font-size:18px}.method{padding:10px}th,td{padding:12px}.eyebrow{font-size:12px;letter-spacing:1.5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* A single composite keeps all six methods aligned during playback and seeking. */
.comparison-stage{display:grid;grid-template-columns:48px minmax(0,1fr) 48px;align-items:center;gap:14px;margin-top:26px}
.comparison-arrow{display:grid;place-items:center;width:48px;height:64px;padding:0;background:#fff;color:#2550df;border:1px solid #cad5f1;border-radius:10px;cursor:pointer;font-size:44px;line-height:1;box-shadow:0 3px 12px #1421390a}
.comparison-arrow:hover{background:#edf2ff;border-color:#2550df}
.comparison-arrow:active{transform:translateY(1px)}
.comparison-slide video{aspect-ratio:1584/688;background:#fff;border:1px solid #e2e7f0;border-radius:8px}
.comparison-caption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px}
#comparison-count{color:#142139;font-weight:650}
.comparison-pagination{display:flex;justify-content:center;gap:10px;margin-top:14px}
.comparison-pagination button{width:42px;height:42px;display:grid;place-items:center;padding:0;background:white;color:#526078;border:1px solid #d9dfeb;border-radius:50%;cursor:pointer}
.comparison-pagination button[aria-current="true"]{background:#2550df;border-color:#2550df;color:white}
.comparison-pagination button:hover{border-color:#2550df}
@media(max-width:760px){.comparison-stage{grid-template-columns:30px minmax(0,1fr) 30px;gap:6px}.comparison-arrow{width:30px;height:52px;font-size:34px}.comparison-caption{font-size:14px}.comparison-caption>span:last-child{color:#667286}.comparison-slide video{border-radius:4px}}

.scene-gallery{margin-top:54px;padding:32px;border:1px solid #dbe3f4;border-radius:14px;background:#f6f8fe;scroll-margin-top:100px}
.scene-gallery #scenes-title{font-size:28px;letter-spacing:-.6px;margin:0 0 14px}.scene-gallery .eyebrow{margin-bottom:12px}
.scene-choices{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 28px}
.scene-choices button{padding:8px 14px;min-height:44px;color:#42516b;border:1px solid #cdd7ec;background:white;font-weight:500;cursor:pointer}
.scene-choices button[aria-pressed="true"]{background:#2550df;border-color:#2550df;color:white}.scene-choices button:hover{border-color:#2550df}
.scene-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #dbe3f4;padding-top:22px}
.scene-toolbar #scene-name{margin:0;font-size:21px}.scene-toolbar p{margin:2px 0 0;font-size:14px;color:#667286}
.scene-stage{margin-top:18px}
#scene-videos{margin-top:0;min-width:0}#scene-videos video{aspect-ratio:26/15}
@media(max-width:760px){.scene-gallery{padding:20px 14px;margin-top:36px}.scene-choices{gap:7px}.scene-choices button{padding:7px 10px;font-size:14px}.scene-gallery #scenes-title{font-size:25px}}

/* Center incomplete rows in the intervention examples. */
.intervention-grid{display:flex;flex-wrap:wrap;justify-content:center}
.intervention-grid>figure{flex:0 0 calc((100% - 40px)/3)}
@media(max-width:760px){.intervention-grid>figure{flex-basis:100%}}

.author-block{display:inline-block;white-space:nowrap}.author-block sup{font-size:.7em;margin-left:2px}.author-block a{text-underline-offset:3px}

/* Keep the page focused on observed results and concise control descriptions. */
.compact-idea{padding:42px 0}.compact-idea h2{font-size:30px;margin-bottom:16px}.compact-idea .intro{margin-bottom:10px}
.result-caption{line-height:1.55}.result-caption span{display:block}.result-caption span+span{margin-top:6px}.result-caption strong{color:#142139;font-weight:650}
.rollout-example+ .rollout-example{border-top:1px solid #dce2ec;margin-top:64px;padding-top:56px}
.memory .rollout-example video{width:100%;max-width:960px;max-height:none;height:auto;margin:28px auto 0;aspect-ratio:auto}
.rollout-phases{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:#2550df;font-weight:650;font-size:15px}
.comparison-description{color:#42516b;font-size:16px;max-width:880px;margin:22px 0 0;min-height:3.3em}
.gallery-section{padding-bottom:75px}.gallery-section .scene-gallery{margin-top:0}
@media(max-width:760px){.compact-idea{padding:36px 0}.rollout-example+ .rollout-example{margin-top:42px;padding-top:36px}.gallery-section{padding-bottom:48px}.rollout-phases{gap:8px;font-size:14px}}

/* Give the scene videos more space, with compact scene selectors. */
.gallery-section{width:min(1440px,calc(100% - 32px))}
.scene-gallery{padding:26px 18px}
.scene-choices{gap:6px;margin:18px 0}
.scene-choices button{min-height:30px;padding:4px 10px;font-size:12px;line-height:1.5;border-radius:5px}
.scene-toolbar{padding-top:16px}.scene-toolbar #scene-name{font-size:19px}
.scene-stage{grid-template-columns:36px minmax(0,1fr) 36px;gap:8px}
.scene-stage .comparison-arrow{width:36px;height:56px;font-size:36px}
#scene-videos{gap:14px}
#scene-videos figcaption{font-size:12px}
.comparison-slide,#scene-videos{will-change:opacity,transform}
@media(max-width:760px){
 .gallery-section{width:calc(100% - 20px)}.scene-gallery{padding:22px 10px}
 .scene-choices{gap:6px}.scene-choices button{min-height:32px;padding:5px 8px;font-size:12px}
 .scene-stage{grid-template-columns:26px minmax(0,1fr) 26px;gap:5px}
 .scene-stage .comparison-arrow{width:26px;height:48px;font-size:30px}
}
@media(prefers-reduced-motion:reduce){.comparison-slide,#scene-videos{will-change:auto}}

.core-method{margin-top:26px;padding:18px}.core-method figcaption{padding-bottom:0}
@media(max-width:760px){.core-method{padding:10px}}

.hero-demo-intro{max-width:900px;margin:0 auto 24px;color:#526078;font-size:17px;line-height:1.65}
@media(max-width:760px){.hero-demo-intro{font-size:16px}}

.rollout-phases [data-rollout-phase]{padding:3px 7px;border-radius:5px;color:#667286}.rollout-phases [aria-current="step"]{background:#e1e9ff;color:#2550df}

/* Keep navigation labels intact and anchor headings clear of the mobile header. */
nav div a{white-space:nowrap}
@media(max-width:760px){html{scroll-padding-top:140px}nav div{column-gap:18px;row-gap:6px}}

.overview-feature{max-width:960px;margin:0 auto}.overview-feature video{height:auto;aspect-ratio:26/15}.overview-feature figcaption{text-align:center;padding-bottom:0}

.hero-examples{margin-top:56px}.hero-examples .hero-demo-intro{margin-bottom:24px}@media(max-width:760px){.hero-examples{margin-top:40px}}

.hero-examples.hero-examples-first{margin-top:0}.overview-film{padding-bottom:75px}@media(max-width:760px){.overview-film{padding-bottom:48px}}