:root{--ink:#25113f;--ground:#e3def7;--coral:#ff8169;--line:#b4a6cf;--soft:#6d5b88;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--ground);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,a,input{touch-action:manipulation}button,input{font:inherit}button,a{color:inherit}button{cursor:pointer}button{border:0}a{text-decoration:none}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--ink);outline-offset:6px}button:disabled{cursor:wait;opacity:.5}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-80px;left:20px;z-index:20;background:var(--ink);color:white;padding:15px}.skip:focus{top:12px}
.page-shell{min-height:100svh;background:radial-gradient(ellipse at 70% 40%,#ece8fc 0,transparent 62%),linear-gradient(110deg,#e2def5,#e7e1fa);overflow:hidden;display:flex;flex-direction:column}.header{position:relative;z-index:4;display:flex;align-items:center;gap:72px;padding:32px 3.25%;height:104px;flex-shrink:0}.wordmark{font-size:28px;letter-spacing:.34em;font-weight:500;line-height:1}.header nav{display:flex;align-items:center;gap:34px;font-size:14px}.header nav a,.text-button{padding:10px 0;position:relative}.header nav a:after,.text-button:after{content:"";position:absolute;bottom:4px;left:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s}.header nav a:hover:after,.text-button:hover:after{transform:scaleX(1)}.text-button{background:none}.sound-button{display:flex;align-items:center;gap:13px;margin-left:auto;background:none;min-height:44px;font-size:14px;padding:0}.sound-icon{height:35px;width:35px;display:grid;place-items:center;border:1px solid var(--ink);border-radius:50%}.sound-icon svg{width:18px;fill:var(--ink)}
.playground{position:relative;isolation:isolate;flex:1;min-height:590px;display:flex;align-items:flex-start;padding-bottom:140px}.intro{position:relative;z-index:2;padding:clamp(42px,7.5vh,95px) 0 0 3.25%;pointer-events:none}.intro h1{font-size:clamp(62px,6.95vw,118px);line-height:.99;letter-spacing:-.062em;font-weight:500;margin:0;max-width:620px}.tagline{font-size:clamp(15px,1.5vw,22px);letter-spacing:.16em;margin:30px 0 34px;line-height:1.5}.play-button{pointer-events:auto;width:76px;height:76px;border-radius:50%;background:var(--coral);display:grid;place-items:center;transition:transform .2s,background .2s}.play-button:hover{transform:scale(1.055);background:#ff907d}.play-button svg{width:36px;height:36px;fill:var(--ink)}
.scene{position:absolute;z-index:1;left:34%;right:-1%;top:-25px;bottom:118px}.scene canvas{width:100%;height:100%;display:block;cursor:crosshair;outline-offset:-12px;touch-action:pan-y;opacity:0;transition:opacity .65s}.scene[data-state=ready] canvas{opacity:1}.surface-help{position:absolute;right:7%;top:10%;font-size:12px;letter-spacing:.17em;line-height:1.85;pointer-events:none;max-width:160px;margin:0;transition:opacity .4s}.surface-help:before{content:"";position:absolute;width:70px;height:1px;right:calc(100% + 12px);top:40px;transform:rotate(-30deg);background:#8a799f;transform-origin:right}.scene.interacted .surface-help{opacity:0}.touch-marker{position:absolute;width:12px;height:12px;border-radius:50%;background:#faf7ff;pointer-events:none;opacity:0;box-shadow:0 0 0 1px #fff9,0 0 16px #fff}.touch-marker i{display:block;position:absolute;inset:-12px;border:1px solid #fff9;border-radius:50%}.scene-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;font-size:12px;letter-spacing:.12em}.scene-loading span{width:6px;height:6px;border-radius:50%;background:var(--coral);animation:breathe 1s infinite alternate}.scene[data-state=ready] .scene-loading,.scene[data-state=failed] .scene-loading{display:none}@keyframes breathe{to{opacity:.2;transform:scale(.65)}}
.controls{position:absolute;z-index:3;bottom:28px;left:3.25%;right:3.25%;display:grid;grid-template-columns:minmax(280px,1.9fr) minmax(290px,1.15fr) auto;align-items:end;gap:40px}.control label{font-size:12px;letter-spacing:.1em}.frequency-control{display:flex;align-items:end;gap:24px;padding-bottom:2px}.frequency-control>label{padding-bottom:8px}.frequency-track{flex:1;position:relative;padding-top:32px}.frequency-track output{position:absolute;top:0;left:var(--value-position,17.5%);transform:translateX(-50%);font-size:16px;white-space:nowrap}.small-controls{display:grid;grid-template-columns:1fr 1fr;gap:30px}.mini-control{display:grid;gap:12px}input[type=range]{--fill:17.5%;appearance:none;-webkit-appearance:none;width:100%;height:28px;background:transparent;cursor:pointer;margin:0;display:block;outline-offset:3px}input[type=range]::-webkit-slider-runnable-track{height:3px;background:linear-gradient(to right,var(--ink) var(--fill),var(--line) var(--fill));border-radius:8px}input[type=range]::-moz-range-track{height:3px;background:var(--line);border-radius:8px}input[type=range]::-moz-range-progress{height:3px;background:var(--ink)}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;margin-top:-6px;height:15px;width:15px;border-radius:50%;background:var(--ink);border:0;box-shadow:0 0 0 0 #25113f10;transition:box-shadow .15s}input[type=range]::-moz-range-thumb{height:15px;width:15px;border-radius:50%;background:var(--ink);border:0}input[type=range]:hover::-webkit-slider-thumb{box-shadow:0 0 0 6px #25113f10}input[type=range]:focus-visible{outline:2px solid var(--ink);border-radius:8px}.frequency-track input[type=range]::-webkit-slider-thumb{width:19px;height:19px;margin-top:-8px}.actions{display:flex;align-items:center;gap:12px;padding-bottom:0}.pill{border:1px solid var(--ink);border-radius:30px;background:transparent;font-size:12px;letter-spacing:.06em;min-height:42px;padding:0 19px;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:16px;transition:background .2s,color .2s}.pill:hover{background:var(--ink);color:#f5f0ff}.motion-button{display:grid;place-items:center;border-radius:50%;height:42px;width:42px;background:#ffffff35;border:1px solid #25113f30}.motion-button svg{width:20px;fill:none;stroke:var(--ink);stroke-width:1.5}.footer{flex-shrink:0;display:flex;justify-content:space-between;gap:12px;padding:18px 3.25% 22px;font-size:10px;letter-spacing:.16em;color:#655478}
.dialog{border:1px solid #ffffffb3;border-radius:24px;padding:28px;color:var(--ink);background:#f2edff;max-width:560px;width:calc(100% - 32px);box-shadow:0 25px 100px #170a3430;max-height:90svh;overflow:auto}.dialog::backdrop{background:#20103666;backdrop-filter:blur(12px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.eyebrow{font-size:10px;letter-spacing:.15em}.close-button{height:40px;width:40px;border-radius:50%;background:#25113f0a;font-size:26px;line-height:1}.dialog h2{font-size:44px;line-height:1.03;letter-spacing:-.055em;font-weight:500;margin:20px 0 30px}.instructions{list-style:none;padding:0;margin:0;display:grid;gap:24px}.instructions li{display:flex;gap:20px}.instructions li>span{font-size:11px;padding-top:4px;opacity:.6}.instructions h3{margin:0 0 8px;font-size:17px;font-weight:500}.instructions p,.dialog-note{font-size:13px;line-height:1.65;margin:0;color:#695b7c}.dialog-note{margin-top:24px}.dialog-note a{text-decoration:underline}.pattern-dialog{max-width:480px}.pattern-dialog h2{font-size:36px;margin:14px 0 20px}.pattern-dialog>canvas{width:100%;height:auto;display:block;border-radius:8px;max-height:49svh;object-fit:contain;background:#e5def5}.save-row{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:18px;font-size:12px}.toast{position:fixed;z-index:20;left:50%;bottom:22px;transform:translate(-50%,15px);background:var(--ink);color:white;padding:12px 18px;border-radius:30px;font-size:12px;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}.noscript{position:fixed;inset:auto 12px 12px;background:white;padding:20px;z-index:20}.scene-fallback{position:absolute;inset:0;align-content:center;text-align:center;font-size:12px;line-height:1.5}.scene-fallback[hidden]{display:none}.fallback-disc{width:80%;aspect-ratio:1.6;margin:20px auto;border:2px solid #d8d5ec;border-radius:50%;background:repeating-radial-gradient(ellipse at 60% 45%,#f8f5ff 0%,#9a8eaf 4%,#d9d3ea 7%,#ffb0a1 9%,#e9e3f4 12%);box-shadow:0 35px 30px -20px #25113f55}
.modal-open{overflow:hidden}
.wordmark{display:block;width:154px;height:27px;flex-shrink:0}.wordmark svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
.header{gap:72px}
.scene canvas{touch-action:pan-y pinch-zoom}
.surface-help:before{display:none}.touch-guide{position:absolute;inset:0;pointer-events:none;transition:opacity .3s}.touch-guide line{stroke:#8a799f;stroke-width:.8;opacity:.7}.scene.interacted .touch-guide,.scene[data-state=failed] .touch-guide{opacity:0}
.pattern-dialog>canvas{width:auto;max-width:100%;height:auto;max-height:49svh;aspect-ratio:4/5;object-fit:contain;margin-inline:auto;background:transparent}
.footer>.text-button{display:none}
@media(min-width:1700px){.intro{padding-top:10vh}.scene{left:34%;right:0;top:-2vh;bottom:100px}.controls{gap:55px}.header{height:120px}}
@media(max-width:1100px) and (min-width:761px){.header{gap:45px}.controls{gap:24px;grid-template-columns:1.4fr 1fr auto}.small-controls{gap:18px}.frequency-control{gap:12px}.actions{gap:6px}.pill{padding:0 13px}.surface-help{right:6%;top:12%;font-size:10px}.intro h1{font-size:7.3vw}.tagline{letter-spacing:.1em}.scene{left:32%;right:-4%}}
@media(max-width:760px){.header{padding:22px 6%;height:82px;gap:0;justify-content:space-between}.wordmark{font-size:22px;letter-spacing:.29em}.header nav{display:none}.sound-button{gap:8px;font-size:12px}.sound-icon{height:32px;width:32px}.playground{display:grid;grid-template-rows:auto minmax(260px,1fr) auto;min-height:0;padding:0;flex:1}.intro{padding:22px 6% 0;display:grid;grid-template-columns:1fr auto;align-items:end;pointer-events:auto}.intro h1{font-size:clamp(52px,11.8vw,82px);line-height:.98;letter-spacing:-.065em;grid-column:1}.tagline{font-size:11px;letter-spacing:.13em;margin:18px 0 0;grid-column:1;grid-row:2}.play-button{grid-column:2;grid-row:1 / 3;width:54px;height:54px;margin-bottom:2px}.play-button svg{width:27px;height:27px}.scene{position:relative;left:auto;right:auto;top:auto;bottom:auto;margin:0 -2%;width:104%;height:100%;min-height:270px;grid-row:2}.surface-help{right:8%;top:10%;font-size:9px;line-height:1.7;letter-spacing:.1em;max-width:110px}.surface-help:before{width:35px;top:26px;right:calc(100% + 7px)}.controls{position:relative;left:auto;right:auto;bottom:auto;padding:0 6%;grid-template-columns:1fr;gap:12px;grid-row:3}.frequency-control{gap:20px}.frequency-track{padding-top:23px}.frequency-track output{font-size:13px}.control label{font-size:10px;letter-spacing:.08em}.frequency-control>label{padding-bottom:8px}.small-controls{gap:26px;grid-template-columns:1fr 1fr}.mini-control{gap:4px}.actions{padding-top:6px;justify-content:space-between}.motion-button{height:40px;width:40px}.pill{min-height:40px;font-size:11px}.footer{padding:18px 6% 18px;font-size:8px;letter-spacing:.1em;align-items:center}.footer>span:last-child{max-width:130px;text-align:right;line-height:1.4}.dialog{padding:22px}.dialog h2{font-size:38px}.instructions{gap:20px}.dialog-note{font-size:12px}}
@media(max-width:760px){.footer>.text-button{display:block;font-size:10px;padding:8px 0}.footer>span:last-child{display:none}}
@media(max-width:760px){.footer{font-size:9px;padding-block:8px}.footer>.text-button{min-height:44px}.actions .pill,.motion-button{min-height:44px}.motion-button{width:44px}}
@media(max-width:760px){.wordmark{width:125px;height:23px}.header{gap:0}}
@media(max-width:360px){.intro h1{font-size:44px}.tagline{font-size:10px;letter-spacing:.08em}.play-button{height:48px;width:48px}}
@media(max-width:760px) and (min-height:850px){.scene{min-height:330px}.intro{padding-top:35px}.controls{gap:18px}.footer{padding-top:22px}}
@media(max-height:650px) and (min-width:761px){.header{height:76px;padding-top:20px;padding-bottom:20px}.playground{min-height:450px}.intro{padding-top:24px}.intro h1{font-size:clamp(60px,6.5vw,88px)}.tagline{margin:20px 0}.play-button{height:58px;width:58px}.scene{top:-25px;bottom:85px}.controls{bottom:8px}.footer{padding-top:10px;padding-bottom:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}