:root{color-scheme:light;--bg:#f7f8fc;--card:#fff;--text:#161d35;--muted:#626c84;--line:#e1e5ef;--accent:#5359d5;--tint:#eeedff;--button:#fff;--shadow:0 30px 80px #4a4a9d14}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#0b0f19;--card:#141b2b;--text:#f7f8fc;--muted:#a8b3c2;--line:#2b3447;--accent:#b8adff;--tint:#242343;--button:#0b0f19;--shadow:0 30px 80px #0005}}
:root[data-theme=dark]{color-scheme:dark;--bg:#0b0f19;--card:#141b2b;--text:#f7f8fc;--muted:#a8b3c2;--line:#2b3447;--accent:#b8adff;--tint:#242343;--button:#0b0f19;--shadow:0 30px 80px #0005}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button{cursor:pointer}button[hidden]{display:none}.wrap{max-width:1200px;margin:auto;padding-left:40px;padding-right:40px}.skip{position:absolute;left:20px;top:-100px;padding:12px;background:var(--card);z-index:2}.skip:focus{top:15px}.nav{height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:22px;letter-spacing:-.8px;font-weight:750;text-decoration:none}.mark{display:flex;gap:3px;align-items:flex-end;height:24px;margin-right:3px;transform:skew(-14deg)}.mark i{display:block;width:6px;background:var(--accent);border-radius:3px;height:12px}.mark i:nth-child(2){height:19px}.mark i:nth-child(3){height:26px}.preview{border:1px solid var(--line);color:var(--muted);border-radius:6px;font-size:10px;line-height:1.3;padding:4px 6px;letter-spacing:.3px;font-weight:500}.nav nav{display:flex;align-items:center;gap:26px;font-size:14px}.nav nav a{text-decoration:none}.nav nav a:hover,.nav nav a[aria-current=page]{color:var(--accent)}#theme{color:var(--muted);background:none;border:1px solid var(--line);padding:8px 12px;border-radius:24px;font-size:12px;min-height:40px}.nav-signin{font-weight:650}.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:70px;align-items:center;padding-top:75px;padding-bottom:110px;background:radial-gradient(ellipse at 85% 40%,var(--tint),transparent 58%)}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:2.1px;font-weight:650;color:var(--muted);margin:0 0 24px}.dot{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:8px;vertical-align:1px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,4.6vw,66px);line-height:1.04;letter-spacing:-3px;margin-bottom:28px;font-weight:650}em{font-style:normal;color:var(--accent)}.lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:480px;margin-bottom:30px}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px}.button{min-height:50px;padding:13px 23px;border-radius:50px;text-decoration:none;font-size:14px;font-weight:650;display:inline-flex;gap:18px;align-items:center;justify-content:center}.primary{background:var(--accent);color:var(--button)}.button:hover{filter:brightness(1.08)}.text-link{font-size:14px;font-weight:600;text-decoration:none;display:inline-block}.text-link:hover{text-decoration:underline}.fine{font-size:12px;line-height:1.7;color:var(--muted);margin:18px 0 0}.workout-visual{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--shadow);transform:rotate(1deg)}.visual-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.visual-top .eyebrow{font-size:9px;margin:0;letter-spacing:1.6px}.status{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:3px 9px;border-radius:20px}.muted{color:var(--muted)}.visual-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:28px 0}.visual-heading p{font-size:12px;margin-bottom:6px}.visual-heading h2{font-size:22px;letter-spacing:-.7px;line-height:1.3;margin:0}.session-icon{display:flex;align-items:center;justify-content:center;background:var(--tint);color:var(--accent);font-size:23px;width:46px;height:46px;flex-shrink:0;border-radius:15px}.exercise-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;border-top:1px solid var(--line);padding-top:22px}.exercise-heading span{color:var(--muted);font-size:11px}.set-table{margin-top:20px}.set-table>div{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:16px;align-items:center;padding:11px 0;font-size:14px}.set-table>div:first-child{font-size:8px;letter-spacing:1.3px;color:var(--muted);padding:0 0 8px}.set-table>div:not(:first-child)>span{color:var(--muted);font-size:12px}.set-table strong{font-weight:550;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 10px}.next-target{display:flex;gap:12px;align-items:center;margin-top:20px;padding:17px 14px;background:var(--tint);border-radius:14px;color:var(--accent)}.target-icon{font-size:25px}.next-target div{display:flex;flex-direction:column}.next-target div>span{font-size:10px}.next-target strong{font-size:16px;letter-spacing:-.3px}.target-pill{font-size:10px;margin-left:auto;border:1px solid var(--accent);padding:3px 8px;border-radius:20px}.visual-note{font-size:10px;line-height:1.7;color:var(--muted);margin:15px 0 0}.section-heading{margin-bottom:40px}.section-heading h2,.clarity h2,.closing h2{font-size:clamp(32px,3.3vw,44px);font-weight:600;line-height:1.12;letter-spacing:-1.6px;margin-bottom:20px}.section-heading>p:last-child{color:var(--muted)}.features{padding-bottom:100px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-grid article{border:1px solid var(--line);background:var(--card);padding:30px 27px;border-radius:20px;display:flex;flex-direction:column}.feature-number{font-size:10px;color:var(--accent);letter-spacing:1.6px;font-weight:600}.feature-grid h3{font-size:22px;font-weight:600;letter-spacing:-.6px;line-height:1.25;margin:30px 0 16px}.feature-grid p{font-size:14px;color:var(--muted);margin-bottom:28px}.feature-grid a{font-size:12px;font-weight:600;text-decoration:none;margin-top:auto}.feature-grid a:hover{text-decoration:underline}.clarity{display:grid;grid-template-columns:1fr 1fr;gap:90px;border-top:1px solid var(--line);padding-top:70px;padding-bottom:70px}.clarity p:not(.eyebrow){color:var(--muted);font-size:15px}.clarity .text-link{color:var(--accent)}.faq{padding-top:60px;padding-bottom:90px}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:550;list-style:none;padding-right:35px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:5px;color:var(--accent);font-size:22px;top:-4px}details[open] summary:after{content:'−'}.faq details p{max-width:770px;color:var(--muted);font-size:14px;margin:18px 0 4px}.closing{padding-top:60px;padding-bottom:70px;text-align:center;border:1px solid var(--line);border-radius:28px;background:radial-gradient(ellipse at center,var(--tint),transparent)}.closing h2{margin-bottom:30px}.footer{display:flex;flex-wrap:wrap;gap:24px;align-items:center;padding-top:45px;padding-bottom:45px;font-size:12px;color:var(--muted)}.footer .brand{font-size:18px;color:var(--text)}.byline{font-weight:400;font-size:11px;color:var(--muted);letter-spacing:0}.footer p{margin:0 auto 0 0}.footer nav{display:flex;gap:20px}.footer nav a{text-decoration:none}.guide{padding-top:60px}.guide-title{padding-bottom:60px;max-width:820px}.guide-title>.text-link{margin-bottom:50px;color:var(--muted)}.guide-title h1{font-size:clamp(38px,4.4vw,60px)}.guide-title .lead{max-width:650px}.guide-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:70px;align-items:start}.contents{position:sticky;top:35px;border-top:1px solid var(--line);padding:25px 0;display:flex;flex-direction:column;gap:12px}.contents .eyebrow{margin:0 0 5px}.contents a{font-size:13px;color:var(--muted);text-decoration:none}.contents a:hover{color:var(--accent)}.guide-body section{padding:24px 0 45px;border-top:1px solid var(--line)}.guide-body h2{font-size:30px;line-height:1.2;letter-spacing:-.8px;font-weight:600;margin:16px 0 24px}.guide-body p,.guide-body li{color:var(--muted);font-size:15px}.guide-body a:not(.button){color:var(--accent)}.guide-body li{padding-left:5px;margin-bottom:12px}.guide-body strong{color:var(--text);font-weight:600}.guide-body .actions{margin-top:30px}.example{margin:30px 0;padding:25px;background:var(--card);border:1px solid var(--line);border-radius:18px}.example h3{font-size:16px;line-height:1.5;margin-bottom:20px}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}caption{text-align:left;font-size:12px;color:var(--muted);margin-bottom:10px}th,td{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:11px}td{color:var(--muted)}.guide-body .example .fine{font-size:12px}
@media(min-width:1500px){.hero{padding-top:110px;padding-bottom:140px}}@media(max-width:950px){.hero{gap:30px}.wrap{padding-left:28px;padding-right:28px}.workout-visual{padding:23px}h1{letter-spacing:-2px}.hero .actions{gap:16px}.feature-grid article{padding:25px 22px}.clarity{gap:40px}.guide-layout{gap:35px;grid-template-columns:190px minmax(0,1fr)}}@media(max-width:720px){.nav{height:auto;min-height:90px;flex-wrap:wrap;gap:16px;padding-top:24px;padding-bottom:20px}.nav nav{gap:18px;font-size:12px}.nav .brand{font-size:21px}.hero{grid-template-columns:1fr;padding-top:45px;padding-bottom:70px;gap:45px}.hero h1{font-size:55px}.hero .lead{max-width:520px}.workout-visual{max-width:440px;width:100%;margin:auto;transform:none}.feature-grid{grid-template-columns:1fr;gap:14px}.feature-grid article{padding:26px}.feature-grid h3{margin:22px 0 12px}.feature-grid p{margin-bottom:18px}.features{padding-bottom:60px}.clarity{grid-template-columns:1fr;gap:12px;padding-top:45px;padding-bottom:30px}.faq{padding-top:45px;padding-bottom:50px}.closing{margin:0 20px;padding-top:45px;padding-bottom:45px;border-radius:20px}.footer{gap:20px}.footer p{width:100%;order:3}.footer nav{margin-left:auto;gap:14px}.guide{padding-top:30px}.guide-title{padding-bottom:35px}.guide-title>.text-link{margin-bottom:30px}.guide-title h1{letter-spacing:-1.7px}.guide-layout{grid-template-columns:1fr;gap:25px}.contents{position:static;display:flex;flex-direction:row;flex-wrap:wrap;gap:12px 20px}.contents .eyebrow{width:100%}.guide-body h2{font-size:28px}.example{padding:18px}th,td{padding:12px 4px}}@media(max-width:380px){.wrap{padding-left:20px;padding-right:20px}.hero h1{font-size:48px}.nav nav{gap:14px}.brand .preview{display:none}.visual-heading h2{font-size:21px}.exercise-heading{align-items:flex-start;flex-direction:column;gap:4px}.footer nav{margin-left:0}.target-pill{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}