/* A car / ECU / performance narrative, progressively enhanced by scroll. */
html body .studio-lab{background:#090909;color:#f4f4f4;padding:80px 0 50px!important;position:relative;border-top:1px solid #ffffff14;overflow:visible!important;font-family:Roboto,Arial,sans-serif}
.studio-lab>.elementor-container{max-width:1240px!important;width:calc(100% - 80px)!important;margin:auto!important}
.studio-lab>.elementor-container>.elementor-column{width:100%!important;min-width:0}
.studio-lab .elementor-widget-wrap{padding:0!important;display:block!important}
.studio-lab .lab-eyebrow{margin:0 0 20px!important}.studio-lab .lab-eyebrow .elementor-heading-title{font:600 10px/1.5 Roboto,sans-serif!important;letter-spacing:2.5px;color:#ff4058!important}
.studio-lab .lab-heading{margin:0 0 20px!important}.studio-lab .lab-heading h2{font:400 clamp(32px,4.4vw,60px)/1.15 'Russo One',sans-serif!important;font-style:italic!important;letter-spacing:-1.5px;color:#fff!important}.studio-lab .lab-heading h2 span{color:#e8253d!important}
.studio-lab .lab-intro{margin:0 0 38px!important;font:400 15px/1.7 Roboto,sans-serif;color:#999;max-width:650px}.studio-lab .lab-intro p{margin:0}
.atf-lab{--lab-car-mask:url(tuning-car-1400.webp);--lab-progress:0;--lab-car-x:0%;--lab-car-scale:1;--lab-car-angle:0deg;--lab-scan:45%;--lab-signal:.5;--lab-curve:1}
.lab-track{position:relative}.lab-panel{position:relative;height:650px;min-height:520px;display:grid;grid-template-rows:60px minmax(0,1fr) auto;border:1px solid #ffffff20;border-radius:8px;background:radial-gradient(ellipse at 75% 30%,#a60f2626,transparent 60%),linear-gradient(130deg,#171717,#080808 70%);isolation:isolate;overflow:hidden;box-shadow:0 30px 70px #0005}
.lab-panel:before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(#ffffff04 1px,transparent 1px),linear-gradient(90deg,#ffffff04 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(transparent,#000 45%,transparent)}
.lab-topline{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 25px;color:#868686;font:500 9px/1.4 Roboto,sans-serif;letter-spacing:2px;border-bottom:1px solid #ffffff0e}.lab-topline strong{color:#eaeaea;font-weight:500}.lab-scroll-hint{font-size:8px;color:#aaa;letter-spacing:1.3px}
.lab-canvas{position:relative;min-height:0;overflow:hidden}.lab-canvas:before{content:'ATF';position:absolute;left:4%;top:8%;font:400 clamp(130px,19vw,260px)/1 'Russo One',sans-serif;font-style:italic;color:#ffffff03;letter-spacing:-15px;pointer-events:none}
.lab-car{position:absolute;width:93%;height:100%;inset:0;margin:auto;transform:translate3d(var(--lab-car-x),0,0) scale(var(--lab-car-scale)) rotate(var(--lab-car-angle));transform-origin:55% 60%;z-index:2;will-change:auto}
.lab-car img{width:100%!important;height:100%!important;object-fit:contain!important;display:block;filter:drop-shadow(0 30px 20px #0008)}
.lab-car:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent calc(var(--lab-scan) - 10%),#eb173130 calc(var(--lab-scan) - 4%),#ff526999 var(--lab-scan),#ff345318 calc(var(--lab-scan) + 5%),transparent calc(var(--lab-scan) + 12%));mask-image:var(--lab-car-mask);mask-repeat:no-repeat;mask-size:contain;mask-position:center;opacity:var(--lab-signal)}
.lab-signal{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none;opacity:var(--lab-signal)}.lab-signal .signal-base{stroke:#ffffff20;stroke-width:1;fill:none}.lab-signal .signal-flow{fill:none;stroke:#ff3855;stroke-width:2;stroke-dasharray:18 160;stroke-dashoffset:calc(var(--lab-progress) * -1300px);filter:drop-shadow(0 0 5px #e8253d77)}.lab-signal circle{fill:#ff3652;stroke:#ff9aa8;stroke-width:1}
.lab-ecu{position:absolute;right:9%;top:8%;z-index:4;padding:11px 18px;border:1px solid #e8253d80;border-radius:4px;background:#131313dd;box-shadow:0 0 26px #e8253d15;font:500 13px/1.1 'Russo One',sans-serif;letter-spacing:1px;color:#fff}.lab-ecu:before{content:'';position:absolute;left:-5px;right:-5px;top:9px;bottom:9px;border-left:2px dotted #e8253d;border-right:2px dotted #e8253d;z-index:-1}.lab-ecu small{display:block;margin-top:6px;font:400 6px/1 Roboto,sans-serif;letter-spacing:2px;color:#f95c71}
.lab-graph{position:absolute;z-index:4;bottom:13px;right:22px;width:156px;padding:10px 12px;background:#101010dd;border:1px solid #ffffff18;border-radius:4px}.lab-graph-label{display:flex;justify-content:space-between;font:500 6px/1.4 Roboto,sans-serif;letter-spacing:1.5px;color:#858585}.lab-graph-label span:last-child{color:#ff4058}.lab-graph svg{display:block;width:100%;height:56px;margin-top:5px}.lab-graph .base-curve{stroke:#6f6f6f;fill:none;stroke-width:2;stroke-dasharray:4 4}.lab-graph .tuned-curve{stroke:#ff3453;fill:none;stroke-width:2.5;stroke-dasharray:100;stroke-dashoffset:calc((1 - var(--lab-curve)) * 100px)}
.lab-live{position:absolute;bottom:28px;left:30px;z-index:4;display:flex;gap:14px;align-items:center}.lab-counter{font:400 36px/1 'Russo One',sans-serif;color:#f6f6f6;letter-spacing:-1px;min-width:95px}.lab-counter small{font:400 12px/1 Roboto,sans-serif;color:#777;margin-left:4px}.lab-live-label{font:500 7px/1.7 Roboto,sans-serif;letter-spacing:1.7px;color:#8b8b8b}.lab-live-label strong{color:#ff425a;display:block;font-weight:500}
.lab-progress{height:2px;background:#ffffff10;position:absolute;bottom:0;left:0;right:0;z-index:5}.lab-progress:after{content:'';display:block;width:100%;height:100%;background:#e8253d;transform:scaleX(var(--lab-progress));transform-origin:left;box-shadow:0 0 14px #e8253d99}
.lab-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none!important;margin:0!important;padding:0!important;border-top:1px solid #ffffff16;background:#101010;position:relative;z-index:5}.lab-step{padding:22px 25px!important;border-right:1px solid #ffffff12;list-style:none!important;position:relative}.lab-step:last-child{border-right:0}.lab-step-number{font:500 8px/1.5 Roboto,sans-serif;letter-spacing:1.5px;color:#747474;display:block;margin-bottom:9px}.lab-step h3{font:500 18px/1.2 Roboto,sans-serif!important;color:#e4e4e4!important;letter-spacing:-.4px;margin:0 0 9px!important}.lab-step p{font:400 11px/1.65 Roboto,sans-serif!important;color:#888;margin:0!important}.lab-step.is-current{background:linear-gradient(140deg,#e8253d1c,transparent)}.lab-step.is-current:before{content:'';position:absolute;top:-1px;left:0;right:0;height:2px;background:#e8253d}.lab-step.is-current .lab-step-number,.lab-step.is-complete .lab-step-number{color:#ff4c64}.lab-step.is-current h3{color:#fff!important}
.lab-caption{font:400 10px/1.5 Roboto,sans-serif;color:#646464;margin:15px 0 0!important;display:flex;justify-content:space-between;gap:15px}
/* Sticky applies only once the controller is ready; fallback stays fully readable. */
.atf-lab.lab-enhanced .lab-track{height:230svh;min-height:1500px}.atf-lab.lab-enhanced .lab-panel{position:sticky;top:calc(100px + var(--wp-admin--admin-bar--height,0px));height:clamp(520px,calc(100svh - 145px),760px)}.lab-enhanced .lab-car{will-change:transform}.atf-lab:not(.lab-enhanced) .lab-scroll-hint,.atf-lab:not(.lab-enhanced) .lab-live{display:none}
html body .atf-ref-hero.atf-hero-motion{background-image:none!important;position:relative;overflow:hidden!important;isolation:isolate}
html body .atf-ref-hero.atf-hero-motion:before{display:block!important;content:''!important;position:absolute;inset:-7%!important;background-image:var(--atf-hero-paint)!important;background-color:#ed0030!important;background-blend-mode:var(--atf-hero-blend)!important;background-size:cover!important;background-position:center!important;transform:translate3d(var(--atf-drive-x,0px),var(--atf-drive-y,0px),0) scale(1.02);z-index:-1!important;pointer-events:none}
html body .atf-ref-hero.atf-hero-motion>.elementor-container{position:relative;z-index:1}
body.atf-tuning-enabled .studio-dyno .dyno-product{transform:perspective(1000px) translateY(var(--atf-dyno-rise,0px)) rotateY(var(--atf-dyno-angle,0deg));transform-origin:center}
body.atf-tuning-enabled .studio-button .elementor-button:hover{box-shadow:0 12px 36px #e8253d40!important}
@media(max-width:1024px){.studio-lab>.elementor-container{width:calc(100% - 48px)!important}.lab-step{padding:19px 20px!important}.lab-step h3{font-size:16px!important}}
@media(max-width:767px){html body .studio-lab{padding:44px 0 30px!important}.studio-lab>.elementor-container{width:calc(100% - 40px)!important}.studio-lab .lab-heading h2{font-size:clamp(28px,8.5vw,38px)!important;letter-spacing:-.8px}.studio-lab .lab-intro{font-size:13px;line-height:1.75;margin-bottom:26px!important}.lab-panel{height:590px;min-height:0;grid-template-rows:48px minmax(0,1fr) auto}.lab-topline{padding:16px 14px;font-size:7px;letter-spacing:1px}.lab-scroll-hint{font-size:6px;letter-spacing:.6px}.lab-canvas:before{font-size:115px;top:23%;letter-spacing:-8px}.lab-car{width:108%;left:-4%;right:auto}.lab-ecu{top:13%;right:8%;padding:9px 12px;font-size:11px}.lab-ecu small{font-size:5px}.lab-live{left:16px;bottom:17px;gap:9px}.lab-counter{font-size:26px;min-width:70px}.lab-live-label{font-size:6px;letter-spacing:1px}.lab-graph{width:105px;right:13px;bottom:14px;padding:7px}.lab-graph svg{height:38px}.lab-graph-label{font-size:5px;letter-spacing:.7px}.lab-steps{grid-template-columns:minmax(0,1fr)}.lab-step{padding:13px 15px 12px 48px!important;border-right:0;border-bottom:1px solid #ffffff10}.lab-step:last-child{border-bottom:0}.lab-step-number{position:absolute;left:14px;top:15px;font-size:7px;letter-spacing:0}.lab-step h3{font-size:14px!important;margin-bottom:5px!important}.lab-step p{font-size:10px!important;line-height:1.5!important}.lab-caption{font-size:8px}.atf-lab.lab-enhanced .lab-track{height:185svh;min-height:1100px}.atf-lab.lab-enhanced .lab-panel{top:116px;height:clamp(500px,calc(100svh - 105px),650px)}html body .atf-ref-hero.atf-hero-motion:before{inset:-4%!important}body.atf-tuning-enabled .studio-dyno .dyno-product{transform:none}}
@media(max-height:700px) and (min-width:768px){.atf-lab.lab-enhanced .lab-panel{top:95px;height:490px;min-height:490px}.lab-step{padding:17px 20px!important}.lab-step h3{font-size:16px!important}.lab-step p{font-size:10px!important}}
@media(prefers-reduced-motion:reduce){.atf-lab .lab-track{height:auto!important;min-height:0!important}.atf-lab .lab-panel{position:relative!important;top:auto!important}.lab-car,.lab-car:after,.dyno-product,.atf-hero-motion:before{transform:none!important;transition:none!important;will-change:auto!important}.lab-car:after{display:none}.lab-signal .signal-flow{stroke-dasharray:none}.lab-scroll-hint{display:none}}

@media(max-width:767px){.atf-lab{--lab-car-mask:url(tuning-car-760.webp)}.lab-step-word{display:none}}
.lab-caption a{color:#bdbdbd;text-decoration:none;white-space:nowrap}.lab-caption a:hover{color:#ff4058}.lab-caption a:focus-visible{outline:2px solid #e8253d;outline-offset:4px}

@media(max-width:767px) and (max-height:700px){.atf-lab.lab-enhanced .lab-track{height:auto;min-height:0}.atf-lab.lab-enhanced .lab-panel{position:relative;top:0;height:590px}.lab-scroll-hint{display:none}}
/* BMW M4: aligned stock / Stage 2 wipe, with catalog-based PS and Nm. */
.atf-lab-bmw{--lab-car-mask:url(bmw-m4-stock-wide-1400.webp);--lab-reveal:50%;--lab-upgrade:0}
.atf-lab-bmw .lab-car img{position:absolute;inset:0}
.atf-lab-bmw .lab-car-stock{clip-path:inset(0 0 0 var(--lab-reveal))}
.atf-lab-bmw .lab-car-tuned{clip-path:inset(0 calc(100% - var(--lab-reveal)) 0 0)}
.atf-lab-bmw .lab-topline strong{font-size:10px;letter-spacing:1.5px}
.lab-run-state{display:flex;align-items:center;gap:17px}
.lab-mode{display:inline-flex;align-items:center;gap:8px;color:#bbb;border:1px solid #ffffff26;background:#121212;padding:8px 12px;border-radius:3px;font:500 8px/1 Roboto,sans-serif;letter-spacing:1.3px;white-space:nowrap}
.lab-mode:before{content:'';width:5px;height:5px;border-radius:50%;background:#777}
.atf-lab-bmw[data-lab-phase="1"] .lab-mode{color:#ff6075;border-color:#e8253d66}
.atf-lab-bmw[data-lab-phase="1"] .lab-mode:before,.atf-lab-bmw[data-lab-phase="2"] .lab-mode:before{background:#ff3453;box-shadow:0 0 12px #e8253d99}
.atf-lab-bmw[data-lab-phase="2"] .lab-mode{background:#e8253d;color:#fff;border-color:#e8253d;box-shadow:0 0 26px #e8253d24}
.lab-metrics{position:absolute;z-index:4;left:26px;bottom:18px;display:flex;gap:10px}
.lab-metric{min-width:176px;padding:12px 15px 11px;background:linear-gradient(140deg,#171717f5,#0c0c0cf5);border:1px solid #ffffff22;border-radius:5px;position:relative;box-shadow:0 8px 28px #0004}
.lab-metric:first-child{border-top-color:#e8253d80}
.lab-metric-label{display:block;color:#959595;font:500 7px/1.4 Roboto,sans-serif;letter-spacing:2px;margin-bottom:4px}
.lab-metric-value{display:flex;align-items:baseline;gap:7px;font-variant-numeric:tabular-nums}
.lab-metric-value strong{font:400 40px/1.15 'Russo One',sans-serif;letter-spacing:-1.3px;color:#fff;min-width:3ch}
.lab-metric:first-child .lab-metric-value strong{color:#ff405b}
.lab-metric-value em{font:500 11px/1 Roboto,sans-serif;font-style:normal;color:#9b9b9b}
.lab-metric-compare{display:block;margin-top:5px;color:#777;font:400 8px/1.4 Roboto,sans-serif;white-space:nowrap}
.lab-metric-compare b{font-weight:500;color:#c1c1c1}
.lab-metric-gain{position:absolute;right:12px;top:10px;color:#ff536a;font:500 8px/1.4 Roboto,sans-serif;white-space:nowrap}
.atf-lab-bmw .lab-car{height:calc(100% - 58px);top:-30px}
.atf-lab-bmw .lab-ecu{right:9%;top:5%;font-size:12px;padding:10px 15px}
.atf-lab-bmw .lab-graph{bottom:18px;width:170px}
.atf-lab-bmw .lab-graph-label{font-size:7px;letter-spacing:1px}
.atf-lab-bmw .lab-step p{color:#a2a2a2}
.atf-lab-bmw .lab-caption{align-items:flex-start}
@media(max-width:1024px){.lab-metric{min-width:155px;padding:11px 12px}.lab-metric-value strong{font-size:34px}.lab-metric-gain{font-size:7px;right:9px}.atf-lab-bmw .lab-topline strong{font-size:9px}.atf-lab-bmw .lab-graph{width:145px}}
@media(max-width:767px){.atf-lab-bmw{--lab-car-mask:url(bmw-m4-stock-wide-760.webp)}.atf-lab-bmw .lab-topline{padding:13px 13px}.atf-lab-bmw .lab-topline strong{font-size:7px;letter-spacing:.7px}.lab-run-state{gap:0}.atf-lab-bmw .lab-scroll-hint{display:none}.lab-mode{padding:7px 8px;font-size:6px;letter-spacing:.6px;gap:5px}.lab-mode:before{width:4px;height:4px}.lab-metrics{left:13px;right:13px;bottom:12px;gap:8px}.lab-metric{min-width:0;flex:1;padding:10px 11px 9px}.lab-metric-value strong{font-size:32px;letter-spacing:-1px}.lab-metric-value{gap:5px}.lab-metric-value em{font-size:9px}.lab-metric-label{font-size:6px;letter-spacing:1px}.lab-metric-compare{font-size:7px;margin-top:4px}.lab-metric-gain{top:8px;right:8px;font-size:6px}.atf-lab-bmw .lab-car{height:calc(100% - 65px);top:0}.atf-lab-bmw .lab-graph{left:13px;right:auto;top:12px;bottom:auto;width:99px;padding:7px}.atf-lab-bmw .lab-graph svg{height:33px}.atf-lab-bmw .lab-graph-label{font-size:5px;letter-spacing:.4px}.atf-lab-bmw .lab-ecu{top:15px;right:14px;padding:8px 11px;font-size:11px}.atf-lab-bmw .lab-caption{font-size:8px;line-height:1.6}.atf-lab-bmw .lab-caption>span{max-width:70%}}
@media(max-width:359px){.lab-metric-value strong{font-size:28px}.lab-metric-compare{font-size:6px}.lab-metric{padding:10px 8px 9px}.atf-lab-bmw .lab-topline strong{font-size:6px;letter-spacing:.4px}}
.atf-lab-bmw.lab-enhanced{--lab-reveal:0%}
.atf-lab-bmw[data-lab-phase="0"] .lab-metric:first-child .lab-metric-value strong{color:#eee}
.atf-lab-bmw[data-lab-phase="0"] .lab-metric-gain{color:#777}
.atf-lab-bmw[data-lab-phase="2"] .lab-metric-gain{color:#fff;background:#e8253d;padding:3px 6px;border-radius:2px;top:7px;right:8px}