@keyframes ergofitFadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero.hero--ergofit{height:auto;min-height:100vh;padding:var(--nav-height) clamp(20px, 4vw, 60px) 80px;flex-direction:column;justify-content:flex-end;display:flex;position:relative;overflow:hidden}.hero--ergofit .hero__photo-zone{position:absolute;inset:0;overflow:hidden}.hero--ergofit .hero__photo-img{object-fit:cover;object-position:center 30%;filter:brightness()contrast(1.1)saturate(.9);width:100%;height:100%}.hero--ergofit .hero__photo-overlay{pointer-events:none;position:absolute;inset:0}.hero--ergofit .hero__grid{pointer-events:none;opacity:.4;z-index:1;background-image:linear-gradient(#ffffff26 1px,#0000 1px),linear-gradient(90deg,#ffffff26 1px,#0000 1px);background-size:80px 80px;position:absolute;inset:0}.hero--ergofit .hero__content{z-index:2;max-width:1200px;position:relative}.hero--ergofit .hero__label{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:3px;text-transform:uppercase;opacity:0;animation:ergofitFadeUp .8s var(--ease) .2s forwards;margin-bottom:24px;padding:8px 14px 6px;font-weight:500;display:inline-block}.hero--ergofit .hero__title{font-family:var(--display);letter-spacing:-3px;opacity:0;max-width:900px;animation:ergofitFadeUp .8s var(--ease) .35s forwards;font-size:clamp(48px,8vw,110px);font-weight:700;line-height:.92}.hero--ergofit .hero__title .gradient-text{background:var(--gradient);-webkit-text-fill-color:transparent;text-shadow:none;-webkit-background-clip:text}.hero--ergofit .hero__sub{font-size:var(--text-md);opacity:0;max-width:560px;animation:ergofitFadeUp .8s var(--ease) .5s forwards;margin-top:32px;font-weight:300;line-height:1.7}.hero--ergofit .hero__actions{opacity:0;animation:ergofitFadeUp .8s var(--ease) .65s forwards;gap:16px;margin-top:40px;display:flex}.hero--ergofit .hero__stats{opacity:0;animation:ergofitFadeUp .8s var(--ease) .8s forwards;gap:56px;margin-top:56px;padding-top:40px;display:flex}.hero--ergofit .hero__stat-value{font-family:var(--mono);font-size:var(--text-2xl);letter-spacing:-1px;font-weight:500;display:block}.hero--ergofit .hero__stat-label{font-size:var(--text-sm,12px);letter-spacing:.3px;margin-top:4px;display:block}.hero.hero--ergofit{padding-bottom:40px;padding-top:var(--nav-height);justify-content:center}.hero--ergofit .hero__photo-img{filter:brightness(1.05)contrast(1.1)saturate(.9)}.hero--ergofit .hero__photo-overlay{background:linear-gradient(90deg,#000000b3 0%,#00000059 40%,#0000 65%),linear-gradient(#0000004d 0%,#0000 25% 75%,#0006 100%)}.hero--ergofit .hero__title,.hero--ergofit .hero__sub,.hero--ergofit .hero__stat-value,.hero--ergofit .hero__stat-label{color:#fff}.hero--ergofit .hero__sub{color:#ffffffbf}.hero--ergofit .hero__stat-label{color:#ffffff8c}.hero--ergofit .hero__label{color:#fff9;-webkit-backdrop-filter:blur(8px);background:#ffffff1f;border:none;border-radius:4px;padding:8px 14px 6px}.hero--ergofit .hero__title{text-shadow:2px 4px #00000059}.hero--ergofit .btn-secondary{color:#fff;border-color:#fff6}.hero--ergofit .btn-secondary:hover{color:#fff;background:#ffffff14;border-color:#fffc}.hero--ergofit .hero__stats{border-top:none}.ef-section{padding:var(--section-standard) var(--grid-gutter)}.ef-section__inner{max-width:var(--grid-max);margin:0 auto}.ef-section__inner--top-gap{margin-top:clamp(48px,6vw,72px)}.ef-section--surface{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.ef-section--compact-bottom{padding-bottom:0}.ef-mosaic{max-width:var(--grid-max);margin:var(--section-gap) auto 0;border-radius:12px;grid-template-rows:400px;grid-template-columns:3fr 1fr 1fr;gap:4px;display:grid;overflow:hidden}.ef-mosaic__hero{grid-area:1/1}.ef-mosaic__detail{position:relative;overflow:hidden}.ef-mosaic img{object-fit:cover;width:100%;height:100%;transition:transform .6s var(--ease);display:block}.ef-mosaic__hero img{object-position:center 35%}.ef-mosaic__detail:nth-child(2) img{object-position:center center}.ef-mosaic__detail:nth-child(3) img{object-position:center 40%}.ef-mosaic img:hover{transform:scale(1.03)}.ef-narrative{grid-template-columns:1fr 380px;align-items:start;gap:clamp(40px,5vw,64px);display:grid}.ef-narrative__body{color:var(--text-2);font-size:15px;font-weight:300;line-height:1.8}.ef-narrative__body p{margin-bottom:16px}.ef-narrative__body p:last-child{margin-bottom:0}.ef-narrative__body strong{color:var(--text-1);font-weight:500}.ef-narrative__callout .data-callout__inner{top:calc(var(--nav-height) + 24px);position:sticky}.data-callout__inner{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--s2s-orange);transition:background .3s var(--ease), border-color .3s var(--ease);border-radius:0 12px 12px 0;padding:36px 40px;position:relative;overflow:hidden}.data-callout__tag{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:3px;text-transform:uppercase;color:var(--s2s-orange);margin-bottom:16px;display:block}.data-callout__text{font-family:var(--mono);font-size:var(--text-base);color:var(--text-2);font-weight:400;line-height:1.8}.data-callout__text strong{color:var(--text-1);font-weight:500}.data-callout__text .data-highlight{color:var(--s2s-orange);font-weight:500}.data-callout__source{font-family:var(--mono);font-size:var(--text-xs,11px);color:var(--text-3);margin-top:16px;display:block}.data-callout__stat-value{font-family:var(--mono);font-size:var(--text-3xl);letter-spacing:-3px;background:var(--gradient);-webkit-text-fill-color:transparent;margin-bottom:var(--space-1);-webkit-background-clip:text;font-weight:500;line-height:1}.ef-pressure-card{background:var(--surface);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;overflow:hidden}.ef-pressure-card__image{aspect-ratio:21/9;overflow:hidden}.ef-pressure-card__image img{object-fit:cover;width:100%;height:100%;transition:transform .8s var(--ease);display:block}.ef-pressure-card__image:hover img{transform:scale(1.02)}.ef-pressure-card__lower{grid-template-columns:1fr 380px;gap:0;display:grid}.ef-pressure-card__body{color:var(--text-2);border-right:1px solid var(--border);padding:40px;font-size:15px;font-weight:300;line-height:1.8}.ef-pressure-card__body p{margin-bottom:16px}.ef-pressure-card__body p:last-child{margin-bottom:0}.ef-pressure-card__body strong{color:var(--text-1);font-weight:500}.ef-pressure-card__callout{border-left:3px solid var(--s2s-orange);padding:40px 36px}.photo-feature{border:1px solid var(--border);border-radius:16px;grid-template-columns:1fr 1fr;padding:0;display:grid;overflow:hidden}.photo-feature--reverse{direction:rtl}.photo-feature--reverse>*{direction:ltr}.photo-feature__image{background:var(--surface-2);flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:420px;display:flex;position:relative;overflow:hidden}.photo-feature__img{object-fit:cover;object-position:center;width:100%;height:100%;transition:transform .6s var(--ease)}.photo-feature__image:hover .photo-feature__img{transform:scale(1.03)}.photo-feature__content{background:var(--surface);transition:background .3s var(--ease);flex-direction:column;justify-content:center;padding:clamp(40px,5vw,64px) clamp(32px,4vw,56px);display:flex}.ef-section--surface .photo-feature__content{background:var(--bg)}.photo-feature__content h2{font-family:var(--display);letter-spacing:-.5px;color:var(--text-1);margin-bottom:24px;font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.15}.photo-feature__content h2 .gradient-text{background:var(--gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.photo-feature__content p{color:var(--text-2);max-width:480px;margin-bottom:16px;font-size:15px;font-weight:300;line-height:1.8}.photo-feature__content p:last-child{margin-bottom:0}.ef-process-grid{background:var(--border);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;grid-template-columns:repeat(5,1fr);gap:1px;display:grid;overflow:hidden}.ef-step{background:var(--bg);transition:background .25s var(--ease);flex-direction:column;padding:36px 24px;display:flex}.ef-step:hover{background:var(--surface-2)}.ef-step__num{font-family:var(--mono);font-size:var(--text-3xl);color:var(--text-4);margin-bottom:20px;font-weight:500;line-height:1;display:block}.ef-step__icon{background:var(--surface);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:16px;display:flex}.ef-step__icon i{font-size:var(--icon-md);color:var(--s2s-orange)}.ef-step:hover .ef-step__icon{background:var(--surface-3)}.ef-step__title{font-family:var(--display);letter-spacing:-.2px;color:var(--text-1);margin-bottom:10px;font-size:15px;font-weight:600}.ef-step__body{font-size:var(--text-sm);color:var(--text-2);flex:1;line-height:1.7}.ef-twins{background:var(--surface-3);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;overflow:hidden}.ef-twins__header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:24px 36px;display:flex}.ef-twins__header i{font-size:var(--icon-md)}.ef-twins__badge{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:2px;text-transform:uppercase;color:var(--s2s-orange)}.ef-twins__header-note{font-size:var(--text-base);color:var(--text-3);margin-left:auto}.ef-twins__body{grid-template-columns:1fr 260px 1fr;gap:0;display:grid}.ef-twins__col{background:var(--surface);transition:background .25s var(--ease);padding:36px}.ef-twins__col:hover{background:var(--surface-2)}.ef-twins__col:first-child{border-right:1px solid var(--border)}.ef-twins__col:last-child{border-left:1px solid var(--border)}.ef-twins__photo{background:var(--surface-2);justify-content:center;align-items:center;display:flex;overflow:hidden}.ef-twins__photo img{object-fit:cover;object-position:center top;filter:grayscale(.1)contrast(1.05);width:100%;height:100%;transition:filter .5s var(--ease), transform .6s var(--ease)}.ef-twins__photo:hover img{filter:grayscale(0)contrast();transform:scale(1.03)}.ef-twins__name{font-family:var(--display);font-size:var(--text-lg);letter-spacing:-.3px;color:var(--text-1);margin-bottom:4px;font-weight:700}.ef-twins__role{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:1px;text-transform:uppercase;color:var(--text-3);margin-bottom:16px}.ef-twins__desc{font-size:var(--text-base);color:var(--text-2);margin-bottom:16px;line-height:1.7}.ef-twins__outcome{font-family:var(--mono);color:var(--s2s-orange);font-size:12px;line-height:1.5}.ef-twins__footer{border-top:1px solid var(--border);font-size:var(--text-base);color:var(--text-2);padding:24px 36px;line-height:1.7}.ef-twins__footer strong{color:var(--text-1);font-weight:500}.ef-frame-problems{background:var(--border);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;grid-template-columns:1fr 1fr;gap:1px;display:grid;overflow:hidden}.ef-frame-problem{background:var(--bg);transition:background .25s var(--ease);padding:40px 36px}.ef-frame-problem:hover{background:var(--surface-2)}.ef-frame-problem__icon{background:var(--surface);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:16px;display:flex}.ef-frame-problem__icon i{font-size:var(--icon-md);color:var(--s2s-red)}.ef-frame-problem:hover .ef-frame-problem__icon{background:var(--surface-3)}.ef-frame-problem__tag{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:2px;text-transform:uppercase;color:var(--s2s-orange);margin-bottom:12px}.ef-frame-problem__title{font-family:var(--display);font-size:var(--text-lg);letter-spacing:-.3px;color:var(--text-1);margin-bottom:16px;font-weight:600}.ef-frame-problem__body{font-size:var(--text-base);color:var(--text-2);line-height:1.7}.ef-frame-problem__body p{margin-bottom:12px}.ef-frame-problem__body p:last-child{margin-bottom:0}.ef-frame-problem__body strong{color:var(--text-1);font-weight:500}.ef-frame-problem--solution{background:var(--surface-2);grid-column:1/-1;padding:20px}.ef-frame-problem--solution:hover{background:0 0}.ef-frame-problem--solution-inner{background:var(--surface);border:1px solid var(--border);border-radius:12px;align-items:flex-start;gap:20px;padding:36px;display:flex}.ef-frame-problem--solution-inner .ef-frame-problem__icon{background:var(--bg);flex-shrink:0}.ef-frame-problem--solution-inner .ef-frame-problem__icon i{color:var(--s2s-orange)}.ef-frame-problem--solution-inner .ef-frame-problem__tag{margin-bottom:4px}.ef-frame-problem--solution-inner .ef-frame-problem__title{margin-bottom:12px}.ef-frame-problem--solution-inner .ef-prebike-note__cta{margin-top:8px}.ef-prebike-note__cta{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:1px;text-transform:uppercase;color:var(--s2s-orange);transition:gap .2s var(--ease);align-items:center;gap:6px;text-decoration:none;display:inline-flex}.ef-prebike-note__cta:hover{gap:10px}.ef-papers{background:var(--border);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;grid-template-columns:1fr 1fr;gap:1px;display:grid;overflow:hidden}.ef-paper{background:var(--surface);transition:background .25s var(--ease);align-items:flex-start;gap:16px;padding:28px;display:flex}.ef-paper:hover{background:var(--surface-2)}.ef-paper__icon{background:var(--bg);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.ef-paper__icon i{font-size:var(--icon-sm);color:var(--s2s-orange)}.ef-paper:hover .ef-paper__icon{background:var(--surface-3)}.ef-paper__title{font-family:var(--display);font-size:var(--text-base);letter-spacing:-.2px;color:var(--text-1);margin-bottom:4px;font-weight:600;line-height:1.5}.ef-paper__authors{font-family:var(--mono);font-size:var(--text-xs,11px);color:var(--text-3);line-height:1.5}.ef-disciplines{margin-top:var(--section-gap);flex-wrap:wrap;gap:8px;display:flex}.ef-nav-links{background:var(--border);border:1px solid var(--border);margin-top:var(--section-gap);border-radius:12px;grid-template-columns:1fr 1fr;gap:1px;display:grid;overflow:hidden}.ef-nav-card{background:var(--bg);color:inherit;transition:background .25s var(--ease);flex-direction:column;gap:6px;padding:36px 32px;text-decoration:none;display:flex}.ef-nav-card:hover{background:var(--surface-2)}.ef-nav-card__eyebrow{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:2px;text-transform:uppercase;color:var(--text-4);align-items:center;gap:4px;display:flex}.ef-nav-card__eyebrow i{font-size:var(--icon-sm)}.ef-nav-card__title{font-family:var(--display);letter-spacing:-.5px;color:var(--text-1);font-size:clamp(18px,2.2vw,24px);font-weight:700}.ef-nav-card__desc{font-size:var(--text-base);color:var(--text-3);line-height:1.7}.ef-nav-card__cta{font-family:var(--mono);font-size:var(--text-xs,11px);letter-spacing:1px;text-transform:uppercase;color:var(--s2s-orange);transition:gap .2s var(--ease);align-items:center;gap:6px;margin-top:8px;display:inline-flex}.ef-nav-card:hover .ef-nav-card__cta{gap:10px}.ef-cta{padding:var(--section-emphasis) var(--grid-gutter);text-align:center}.ef-cta__inner{max-width:600px;margin:0 auto}.ef-cta__title{font-family:var(--display);letter-spacing:-2px;color:var(--text-1);margin-bottom:20px;font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.1}.ef-cta__sub{font-size:var(--text-md);color:var(--text-2);margin-bottom:40px;font-weight:300;line-height:1.7}.ef-cta__buttons{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}@media (max-width:1024px){.ef-mosaic{grid-template-rows:300px 200px;grid-template-columns:1fr 1fr}.ef-mosaic__hero{grid-column:1/-1}.ef-narrative{grid-template-columns:1fr}.ef-narrative__callout .data-callout__inner{position:static}.ef-process-grid{grid-template-columns:repeat(3,1fr)}.photo-feature{grid-template-columns:1fr}.photo-feature--reverse{direction:ltr}.photo-feature__image{min-height:340px}.ef-twins__body{grid-template-columns:1fr 1fr}.ef-twins__photo{grid-area:1/1/auto/-1;height:260px}.ef-twins__col:first-child{border-right:1px solid var(--border);border-top:none}.ef-twins__col:last-child{border-left:1px solid var(--border);border-top:none}.ef-papers{grid-template-columns:1fr}.ef-pressure-card__image{aspect-ratio:16/9}.ef-pressure-card__lower{grid-template-columns:1fr}.ef-pressure-card__body{border-right:none;border-bottom:1px solid var(--border)}}@media (max-width:768px){.ef-mosaic{grid-template-rows:260px 180px 180px;grid-template-columns:1fr}.ef-process-grid,.ef-twins__body{grid-template-columns:1fr}.ef-twins__photo{height:220px}.ef-twins__col:first-child{border-right:none}.ef-twins__col:last-child{border-left:none;border-top:1px solid var(--border)}.ef-frame-problems,.ef-nav-links{grid-template-columns:1fr}.hero--ergofit .hero__stats{flex-direction:column;gap:24px}.hero--ergofit .hero__actions{flex-direction:column;align-items:flex-start}.ef-cta__buttons{flex-direction:column;align-items:center}.ef-pressure-card__image{aspect-ratio:4/3}}