:root{--blue:#0056c8;--navy:#08346f;--ink:#102b4e;--muted:#536780;--line:#dbe4ef;--soft:#f2f7fc;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ecaa00;outline-offset:5px}button{cursor:pointer}img{max-width:100%;display:block}p{line-height:1.7}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--navy)}h1{font-size:clamp(38px,4.6vw,64px);line-height:1.09;letter-spacing:-1.9px;margin-bottom:24px}h2{font-size:clamp(30px,3.15vw,44px);line-height:1.18;letter-spacing:-1.2px;margin-bottom:20px}h3{font-size:23px;line-height:1.25;letter-spacing:-.4px}header{background:#fff;border-bottom:1px solid 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.eyebrow{margin-bottom:17px}.video-section{max-width:1020px;padding-bottom:65px;scroll-margin-top:25px}.video-frame{border-radius:16px;background:#102a4c;padding:10px;box-shadow:0 15px 40px #0a37651a}.video-frame video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#000;border-radius:8px}.caption{text-align:center;font-size:14px;color:var(--muted);margin:18px 0 0}.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:36px}.level{padding:22px;background:white;border:1px solid var(--line);border-top:9px solid var(--level);border-radius:8px}.level-color{display:block;color:var(--navy);font-size:14px;font-weight:700;margin-bottom:18px}.level>strong{font-size:42px;color:var(--ink);letter-spacing:-1.5px}.level>strong span{font-size:19px;letter-spacing:0}.level p{font-size:14px;color:var(--muted);margin:8px 0}.level 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@media(min-width:1540px){.home-art{border-inline:1px solid var(--line)}}
@media(max-width:1050px){.header-inner{flex-wrap:wrap;gap:18px;justify-content:center;padding:18px 5%}.brand strong{font-size:35px}.brand span{font-size:13px}nav{gap:24px}nav>a{font-size:13px}.split,.calculator-layout{gap:40px}.level{padding:18px 12px}.contact-grid{gap:40px}.download-block{align-items:flex-start;flex-direction:column}.footer-inner>div:last-child{gap:20px}}
@media(max-width:700px){h1{letter-spacing:-1px}h2{letter-spacing:-.8px}.header-inner{justify-content:space-between;gap:0;padding:18px 5%}.brand strong{font-size:31px}.brand span{font-size:11px}.menu-toggle{display:flex;align-items:center;gap:13px;background:white;border:1px solid var(--line);border-radius:6px;padding:11px;font-size:13px;color:var(--navy);font-weight:700}nav{display:none;width:100%;flex-direction:column;gap:3px;align-items:stretch;padding-top:20px}nav.open{display:flex}nav>a{font-size:15px;padding:15px 10px}nav>a[aria-current=page]:not(.button):after{right:auto;width:35px;left:10px}.button.small{margin-top:8px}.home-art{margin-top:0}.art-video-link{display:none}.mobile-action{display:block;text-align:center;padding-top:24px;padding-bottom:0}.mobile-action .button{width:100%;font-size:15px}.mobile-action p{font-size:15px;color:var(--navy);margin:16px auto 0}.section{padding-top:55px;padding-bottom:55px}.home-overview .eyebrow{font-size:10px}.lead{font-size:18px}.stat-row{gap:12px;margin-block:33px}.stat-row strong{font-size:42px}.stat-row span{font-size:11px;line-height:1.55}.actions{flex-direction:column;gap:17px}.cta{padding:38px 0}.cta-inner{flex-direction:column;align-items:flex-start;gap:26px}.cta p{font-size:16px}.page-intro{padding-top:43px;padding-bottom:30px}.page-intro h1{font-size:39px}.eyebrow{font-size:11px;margin-bottom:15px}.levels{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:28px}.level{padding:20px}.level:last-child{grid-column:1/-1}.level>strong{font-size:37px}.steps{grid-template-columns:1fr;gap:27px;margin-top:38px}.steps h3{margin-bottom:12px}.split,.calculator-layout,.contact-grid{grid-template-columns:1fr;gap:30px}.product-photo img{height:430px}.calculator{padding:25px}.calculator-layout{gap:20px}.download-block{gap:24px}.download-block .button{width:100%}.download-block h2{font-size:29px}.audience-grid{grid-template-columns:1fr;gap:16px;padding-bottom:50px}.audience-grid article{padding:26px}.audience-index{margin-bottom:15px}.audience-grid h2{font-size:28px}.about-split,.contact-grid,.order-split{padding-top:15px}.form-card{padding:24px}.contact-details h2{font-size:30px}.order-photo{order:2}.order-photo img{height:430px}.footer-inner{flex-direction:column;gap:30px}.footer-inner>div:last-child{grid-template-columns:1fr 1fr;gap:20px 15px;font-size:13px}.footer-brand strong{font-size:28px}.video-frame{padding:6px;border-radius:10px}.video-section{padding-bottom:45px}.caption{font-size:12px}.faq summary{font-size:17px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.chart-shortcut{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:28px;padding-bottom:28px;border-bottom:1px solid var(--line)}.chart-shortcut h2{font-size:25px;margin-bottom:5px;letter-spacing:-.5px}.chart-shortcut p{margin:0;color:var(--muted);font-size:15px}.chart-shortcut .button{flex-shrink:0}.chart-top-link{text-align:center;margin-bottom:35px}#progress-chart{scroll-margin-top:25px}@media(max-width:700px){.chart-shortcut{flex-direction:column;align-items:stretch;text-align:center;gap:18px}.chart-shortcut .button{width:100%}.chart-shortcut h2{font-size:26px}}

.muscle-reference{scroll-margin-top:24px}.muscle-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:34px}.muscle-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 8px 28px #0a376508}.muscle-open{display:block;text-decoration:none}.muscle-open:hover{background:var(--soft)}.muscle-open>img{width:100%;height:440px;object-fit:contain;padding:20px;background:#fff}.muscle-card-label{border-top:1px solid var(--line);padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:12px}.muscle-card-label h3{margin:0}.muscle-card-label>span{font-size:14px;font-weight:700;color:var(--blue)}.muscle-dialog{border:1px solid var(--line);border-radius:14px;padding:0;width:min(1050px,96vw);max-width:96vw;max-height:94dvh;color:var(--ink);background:white}.muscle-dialog::backdrop{background:#071b35c9}.muscle-dialog-bar{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:16px;background:white;border-bottom:1px solid var(--line);padding:14px 22px;z-index:1}.muscle-dialog-bar h2{font-size:22px;letter-spacing:0;margin:0}.muscle-dialog-bar button{min-height:44px;padding:10px 16px}.muscle-dialog-body img{width:100%;height:auto}.muscle-dialog-open{overflow:hidden}@media(max-width:600px){.muscle-grid{grid-template-columns:1fr;gap:22px}.muscle-open>img{height:auto;padding:12px}.muscle-card-label{padding:18px}.muscle-card-label h3{font-size:22px}.muscle-dialog-bar{padding:12px}.muscle-dialog-bar h2{font-size:18px}}