/* Official Radix Colors: Sand, Gray, Lime, Red and whiteA. All palette literals live here. */
:root{
 --sand-1:#fdfdfc;--sand-2:#f9f9f8;--sand-3:#f1f0ef;--sand-4:#e9e8e6;--sand-6:#dad9d6;--sand-8:#bcbbb5;--sand-9:#8d8d86;--sand-11:#63635e;--sand-12:#21201c;
 --gray-1:#fcfcfc;--gray-2:#f9f9f9;--gray-3:#f0f0f0;--gray-4:#e8e8e8;--gray-6:#d9d9d9;--gray-11:#646464;--gray-12:#202020;
 --gray-a3:#0000000f;--gray-a4:#00000017;--gray-a6:#00000026;--white-a11:rgba(255,255,255,0.9);
 --lime-3:#eef6d6;--lime-5:#d3e7a6;--lime-9:#bdee63;--lime-12:#37401c;--red-11:#ce2c31;
 --text-caption:.75rem;--text-body:1rem;--text-title:2rem;--text-display:clamp(2.75rem,5.8vw,4.5rem);
 --page:var(--sand-1);--surface:var(--gray-1);--ink:var(--gray-12);--muted:var(--sand-11);--line:var(--sand-6);--soft:var(--sand-3);--accent:var(--lime-9);--accent-ink:var(--lime-12);
 font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang TC","Noto Sans TC",sans-serif;font-size:100%;line-height:1.6;font-optical-sizing:auto;color-scheme:light;scroll-padding-top:6rem
}
*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font-size:var(--text-body);line-height:1.8;overflow-wrap:anywhere}::selection{background:var(--lime-5);color:var(--ink)}:focus-visible{outline:2px solid var(--ink);outline-offset:5px;border-radius:4px}a{color:inherit;text-underline-offset:.24em}a:hover{text-decoration-thickness:1.5px}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;color:var(--muted)}input,textarea,select{caret-color:var(--ink)}button svg,a svg{pointer-events:none}button:active:not(:disabled),.button:active{transform:scale(.98);transition:none}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.icon{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.skip{position:fixed;top:-100px;left:24px;padding:12px 20px;background:var(--ink);color:var(--surface);z-index:100}.skip:focus{top:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}[hidden]{display:none!important}
.site-header{position:sticky;top:0;z-index:20;background:var(--white-a11);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.top{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;font-size:var(--text-body);font-weight:650;letter-spacing:-.025em;line-height:1.2}.brand img{width:29px;height:29px;border-radius:8px}.top nav{display:flex;align-items:center;gap:30px;font-size:var(--text-caption);font-weight:550;letter-spacing:.01em}.top nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}.top nav a:hover{color:var(--muted)}.top .nav-action{background:var(--ink);color:var(--surface);min-height:36px;padding:6px 16px;border-radius:100px}.top .nav-action:hover{background:var(--sand-12);color:var(--surface)}
.hero{text-align:center;padding:86px 0 0}.hero h1{font-size:var(--text-display);font-weight:650;line-height:1.17;letter-spacing:-.035em;text-wrap:balance;margin:0 0 28px}.hero h1 span{color:var(--sand-11)}.hero-copy{font-size:var(--text-body);max-width:35em;line-height:1.9;color:var(--muted);margin:0 auto 27px}.actions{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px 26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 23px;background:var(--ink);color:var(--surface);font-size:var(--text-body);font-weight:550;line-height:1.4;border:0;border-radius:100px;text-decoration:none;transition:background-color 250ms ease-out,transform 250ms ease-out}.button:hover{background:var(--sand-12)}.button:disabled{background:var(--soft);color:var(--muted)}.button.secondary{background:var(--sand-3);color:var(--ink)}.button.secondary:hover{background:var(--sand-4)}.text-link{display:inline-flex;align-items:center;gap:4px;min-height:44px;text-decoration:none;font-size:var(--text-body)}.text-link:hover{text-decoration:underline}.text-link .icon{width:17px;height:17px}.hero-status{color:var(--muted);font-size:var(--text-caption);margin:18px 0 0;letter-spacing:.01em}
.product-stage{margin-top:55px;padding:22px;background:var(--sand-3);border-radius:24px;text-align:left}.app-demo{display:grid;grid-template-columns:240px 1fr;background:var(--gray-1);border:.5px solid var(--gray-a4);border-radius:16px;overflow:hidden;box-shadow:0 18px 44px -22px var(--gray-a6)}.demo-sidebar{background:var(--sand-2);border-right:.5px solid var(--line);padding:29px 21px;display:flex;flex-direction:column}.demo-brand{font-size:var(--text-body);font-weight:650;letter-spacing:-.025em;margin:0 0 35px;display:flex;align-items:center;gap:9px}.demo-brand img{width:25px;height:25px;border-radius:7px}.demo-label{font-size:var(--text-caption);color:var(--muted);font-weight:500;margin:0 0 15px;letter-spacing:.02em}.demo-exercises{display:flex;flex-direction:column;gap:6px}.exercise-choice{display:flex;align-items:center;gap:10px;min-height:52px;border:0;border-radius:9px;background:none;color:var(--muted);padding:10px 12px;text-align:left;font-size:var(--text-caption);transition:background-color 250ms ease-out,color 250ms ease-out}.exercise-choice[aria-pressed="true"]{background:var(--gray-1);color:var(--ink);box-shadow:0 2px 7px var(--gray-a3);font-weight:600}.exercise-choice:hover:not([aria-pressed="true"]){background:var(--sand-3);color:var(--ink)}.exercise-choice .icon{width:18px;height:18px}.sidebar-foot{font-size:var(--text-caption);color:var(--muted);margin:auto 0 0;padding-top:40px}.sidebar-foot span{display:block}.demo-workout{padding:33px 35px 28px;min-width:0}.workout-top{display:flex;justify-content:space-between;align-items:start;gap:16px;margin-bottom:24px}.workout-top .demo-label{margin:0 0 4px}.workout-top h2{font-size:var(--text-body);font-weight:650;line-height:1.5;margin:0;letter-spacing:-.01em}.demo-target{font-size:var(--text-caption);color:var(--muted);margin:8px 0 0}.demo-focus{display:inline-flex;align-items:center;white-space:nowrap;background:var(--lime-3);color:var(--accent-ink);padding:4px 10px;border-radius:6px;font-size:var(--text-caption);font-weight:550}.set-table{width:100%;border-collapse:collapse;font-size:var(--text-body);font-variant-numeric:tabular-nums;text-align:center}.set-table th{font-size:var(--text-caption);font-weight:500;color:var(--muted);padding:0 8px 14px}.set-table th:first-child,.set-table td:first-child{text-align:left;width:16%}.set-table th:last-child,.set-table td:last-child{text-align:right;width:28%}.set-table td{height:66px;padding:13px 8px;border-top:.5px solid var(--line)}.set-table td:first-child{font-size:var(--text-caption);color:var(--muted)}.set-table td:last-child{font-size:var(--text-caption)}.set-table .set-state{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;color:var(--muted)}.set-table .set-state .icon{width:17px;height:17px}.set-table tr[data-done="true"] .set-state{color:var(--accent-ink)}.set-table tr[data-done="true"] .set-state .icon{background:var(--lime-5);border-radius:50%;padding:2px}.set-table tr[data-done="false"]{background:var(--sand-2)}.demo-action{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:25px}.demo-progress{font-size:var(--text-caption);color:var(--muted);min-width:8em}.demo-progress p{margin:0 0 9px}.demo-progress strong{font-weight:600;color:var(--ink)}.demo-progress progress{display:block;appearance:none;-webkit-appearance:none;width:135px;height:4px;border:0;border-radius:8px;overflow:hidden;background:var(--sand-3);accent-color:var(--accent-ink)}progress::-webkit-progress-bar{background:var(--sand-3);border-radius:8px}progress::-webkit-progress-value{background:var(--accent-ink);border-radius:8px}progress::-moz-progress-bar{background:var(--accent-ink);border-radius:8px}.demo-complete{font-size:var(--text-caption);padding:12px 18px;min-height:44px;border-radius:9px}.demo-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:.5px solid var(--line);padding-top:17px;margin-top:25px;font-size:var(--text-caption);color:var(--muted)}.reset-button{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:5px 0;min-height:38px;color:var(--muted);font-size:var(--text-caption)}.reset-button:hover{color:var(--ink)}.reset-button .icon{width:15px;height:15px}.demo-caption{font-size:var(--text-caption);color:var(--muted);text-align:center;line-height:1.8;margin:17px 20px 0}.demo-status{font-size:var(--text-caption);color:var(--accent-ink);min-height:1.6em;margin:13px 0 -3px}.promise{display:flex;justify-content:center;gap:0;padding:30px 0 8px;margin:0 auto}.promise p{display:flex;justify-content:center;align-items:center;gap:7px;flex:1;margin:0;font-size:var(--text-caption);color:var(--muted);padding:0 16px}.promise p+p{border-left:.5px solid var(--line)}.promise .icon{width:15px;height:15px;color:var(--ink)}
.section{padding:112px 0 92px}.section-intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start;margin-bottom:50px}.section h2,.quiet h2,.download h2{font-size:var(--text-title);line-height:1.4;letter-spacing:-.025em;font-weight:600;text-wrap:balance;margin:0}.section-intro p{color:var(--muted);margin:0;padding-top:7px;max-width:30em}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:30px 0;border-top:.5px solid var(--line)}.feature-row h3{font-size:var(--text-body);line-height:1.7;margin:0;font-weight:600;display:flex;gap:15px;align-items:center}.feature-row h3 .icon{width:21px;height:21px;color:var(--muted)}.feature-row p{margin:0;color:var(--muted)}.feature-row small{display:block;font-size:var(--text-caption);margin-top:10px}.feature-row:last-child{border-bottom:.5px solid var(--line)}.quiet{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:0 0 104px}.quiet>div{padding-top:30px;border-top:.5px solid var(--line)}.quiet h2{margin-bottom:23px}.quiet p{color:var(--muted);margin:0 0 20px;max-width:30em}.quiet .note{font-size:var(--text-caption);line-height:1.85}.quiet .text-link{font-size:var(--text-caption)}.download{background:var(--sand-3);padding:57px 54px;border-radius:20px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center;margin-bottom:90px}.download h2{margin:0 0 17px}.download p{color:var(--muted);margin:0;font-size:var(--text-body)}.platforms{display:grid;grid-template-columns:1fr 1fr;gap:24px}.platform{border-top:.5px solid var(--sand-8);padding-top:20px}.platform strong{display:block;font-size:var(--text-body);font-weight:600;margin-bottom:5px}.platform span{font-size:var(--text-caption);color:var(--muted)}.download .download-link{display:inline-flex;align-items:center;gap:4px;font-size:var(--text-caption);min-height:44px;margin-top:14px}.download .download-link .icon{width:16px;height:16px}.footer{padding:34px 0 40px;border-top:.5px solid var(--line);display:flex;justify-content:space-between;gap:40px;font-size:var(--text-caption);color:var(--muted)}.footer .brand{font-size:var(--text-body);color:var(--ink);margin-bottom:15px}.footer p{margin:0 0 5px}.footer nav{display:flex;gap:8px 25px;flex-wrap:wrap;align-content:start}.footer nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}.footer nav a:hover{text-decoration:underline}
.doc{max-width:74ch;padding:80px 0 90px}.doc h1{font-size:var(--text-display);font-weight:600;line-height:1.2;letter-spacing:-.035em;margin:0 0 30px;text-wrap:balance}.doc .lead{font-size:var(--text-body);color:var(--muted);line-height:1.9}.doc p{margin:0 0 18px}.doc h2{font-size:var(--text-title);font-weight:600;line-height:1.45;letter-spacing:-.025em;margin:0 0 23px}.doc h3{font-size:var(--text-body)}.doc section{padding:39px 0;border-bottom:.5px solid var(--line)}.doc .summary{background:var(--sand-3);padding:27px;border-radius:12px;margin:30px 0}.doc .summary p:last-child{margin-bottom:0}.contents{padding:23px 0;margin:20px 0}.contents p{font-weight:600}.contents li{padding-block:2px}.contents a{display:inline-flex;align-items:center;min-height:40px}.doc ol,.doc ul{padding-left:25px}.doc li{margin:8px 0}.doc details{padding:8px 0;border-bottom:.5px solid var(--line)}.doc summary{cursor:pointer;min-height:48px;padding:9px 0;font-weight:550}.doc details>div{padding:14px 0}.doc pre{font-size:var(--text-caption);white-space:pre-wrap;overflow-wrap:anywhere;background:var(--sand-3);padding:23px;border-radius:10px;line-height:1.8}.note,.updated{font-size:var(--text-caption);color:var(--muted)}.updated{margin-top:35px}.doc .download{display:block;padding:32px;margin:32px 0}.doc .platforms{margin-top:30px}.doc .download h2{font-size:var(--text-body)}.contact-form{margin:28px 0 16px}.field{margin:0 0 20px}.field label{display:block;font-size:var(--text-caption);font-weight:600;margin-bottom:8px}.field input,.field textarea,.field select{width:100%;min-height:50px;padding:12px 14px;background:var(--gray-1);color:var(--ink);border:.5px solid var(--sand-9);border-radius:9px;font-size:var(--text-body)}.field textarea{min-height:160px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:var(--muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-consent{display:flex;align-items:start;gap:10px;font-size:var(--text-caption);line-height:1.85;margin:18px 0 25px}.contact-consent input{width:19px;height:19px;accent-color:var(--ink);flex-shrink:0;margin-top:2px}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.form-status{font-size:var(--text-caption);min-height:26px;margin:20px 0}.form-status[data-state="error"]{color:var(--red-11)}.form-status[data-state="success"]{color:var(--accent-ink);font-weight:600}.contact-setup{background:var(--sand-3);padding:22px;border-radius:10px;margin:25px 0;font-size:var(--text-body)}.contact-setup p:last-child{margin-bottom:0}#turnstile-widget{margin:20px 0}
@media(max-width:900px){.demo-sidebar{padding:25px 18px}.app-demo{grid-template-columns:200px 1fr}.demo-workout{padding:28px 25px}.product-stage{padding:16px}.section-intro,.feature-row,.quiet{gap:40px}.download{gap:40px;padding:42px 35px}}
@media(max-width:640px){:root{--text-title:1.75rem;--text-display:2.75rem}.wrap{width:calc(100% - 40px)}.top{min-height:68px;gap:15px}.top nav{gap:14px}.top nav .optional{display:none}.brand{gap:8px}.brand img{width:27px;height:27px}.top .nav-action{padding-inline:12px}.hero{padding-top:57px}.hero h1{margin-bottom:23px;line-height:1.24;letter-spacing:-.035em}.hero-copy{max-width:23em;margin-bottom:23px}.actions{gap:8px 20px}.button{padding:12px 20px}.hero-status{margin-top:16px}.product-stage{margin-top:38px;padding:9px;border-radius:18px}.app-demo{grid-template-columns:1fr;border-radius:12px}.demo-sidebar{padding:17px 15px;border-right:0;border-bottom:.5px solid var(--line)}.demo-brand,.demo-sidebar>.demo-label,.sidebar-foot{display:none}.demo-exercises{flex-direction:row;gap:5px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--sand-8) var(--sand-2)}.exercise-choice{justify-content:center;flex:1;min-width:0;min-height:44px;padding:8px 5px;gap:5px;white-space:nowrap}.exercise-choice .icon{display:none}.demo-workout{padding:23px 16px 17px}.workout-top{gap:12px;margin-bottom:21px}.demo-focus{padding:3px 7px}.set-table th{padding-inline:4px;padding-bottom:12px}.set-table td{padding-inline:4px;height:61px}.demo-action{gap:12px;margin-top:21px}.demo-complete{padding-inline:13px}.demo-progress{min-width:0}.demo-progress progress{width:100px}.demo-bottom{gap:10px;margin-top:22px;padding-top:13px}.demo-caption{margin:14px 7px 0;line-height:1.8}.promise{display:grid;grid-template-columns:1fr 1fr;gap:16px 0;padding-top:25px}.promise p{padding:0 8px;justify-content:start;gap:6px}.promise p:nth-child(3){border-left:0}.section{padding:73px 0 57px}.section-intro{grid-template-columns:1fr;gap:17px;margin-bottom:31px}.section-intro p{padding:0}.section h2,.quiet h2{line-height:1.5}.feature-row{grid-template-columns:1fr;gap:14px;padding:25px 0}.feature-row h3{gap:10px}.quiet{grid-template-columns:1fr;gap:37px;padding-bottom:62px}.quiet>div{padding-top:25px}.quiet h2{margin-bottom:17px}.download{grid-template-columns:1fr;gap:30px;padding:31px 25px;border-radius:16px;margin-bottom:58px}.platforms{gap:20px}.platform{padding-top:17px}.footer{flex-direction:column;gap:16px;padding:27px 0 32px}.footer nav{gap:5px 22px}.footer .brand{margin-bottom:11px}.doc{padding:52px 0 58px}.doc h1{margin-bottom:25px}.doc section{padding:31px 0}.doc .summary{padding:23px}.doc .download{padding:25px}.doc h2{line-height:1.5}.form-row{grid-template-columns:1fr;gap:0}}
@media(max-width:359px){.wrap{width:calc(100% - 28px)}.top nav{gap:10px}.top nav>a:not(.nav-action){display:none}.demo-workout{padding-inline:12px}.exercise-choice{padding-inline:3px}.demo-focus{display:none}.demo-action{align-items:stretch;flex-direction:column}.demo-progress progress{width:100%}.demo-complete{width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}button:active:not(:disabled),.button:active{transform:none}}
@media(prefers-reduced-transparency:reduce){.site-header{background:var(--sand-1);backdrop-filter:none;-webkit-backdrop-filter:none}}
@media(prefers-contrast:more){:root{--muted:var(--sand-12);--line:var(--sand-11)}.site-header{background:var(--sand-1);backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:.5px solid var(--line)}.app-demo,.exercise-choice[aria-pressed="true"]{border:.5px solid var(--line)}.exercise-choice[aria-pressed="true"]{box-shadow:none}.set-state{font-weight:600}.demo-focus{background:var(--lime-5)}}
@media print{body{background:var(--sand-1)}.site-header,.skip,.contents,.contact-form,.contact-setup,.product-stage{display:none}.wrap{width:100%}.doc{max-width:none;padding:0}.doc section{break-inside:avoid}.footer{color:var(--ink)}}