@import url('data:text/css,');
:root{--ink:#050708;--panel:#0a0e10;--line:rgba(205,246,255,.16);--ice:#dffbff;--cyan:#7beeff;--muted:#7d8b90;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:#eaf1f1;font-family:var(--sans);overflow-x:hidden}.skip{position:fixed;left:1rem;top:-4rem;z-index:99;background:#fff;color:#000;padding:.7rem 1rem}.skip:focus{top:1rem}.topbar{height:68px;padding:0 clamp(18px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:absolute;z-index:10;width:100%}.brand{color:#fff;text-decoration:none;font:600 11px var(--sans);letter-spacing:.22em;display:flex;align-items:center;gap:12px}.brand i{font-family:var(--serif);color:#b9a070;font-weight:400}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border:1px solid #a8c9ce;font:italic 17px var(--serif);box-shadow:0 0 15px #65e8ff26}.status{font-size:9px;letter-spacing:.2em;color:#8d9ca0}.status b{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);margin-right:7px}.stage{height:max(720px,100svh);min-height:720px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 57% 45%,#102126 0,#080d0f 33%,#050708 69%)}.stage:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(123,238,255,.025) 1px,transparent 1px),linear-gradient(rgba(123,238,255,.02) 1px,transparent 1px);background-size:62px 62px;mask-image:radial-gradient(circle at center,#000,transparent 70%)}.intro{position:absolute;z-index:3;left:clamp(22px,5vw,76px);top:17%;width:min(390px,34vw);pointer-events:none}.eyebrow{font-size:9px;letter-spacing:.3em;color:#7fc4cc;margin:0 0 18px;text-transform:uppercase}.intro h1{font:400 clamp(38px,5vw,76px)/.87 var(--serif);letter-spacing:-.045em;margin:0}.intro h1 em{font-weight:400;color:transparent;-webkit-text-stroke:1px #86b9c0}.lede{font:14px/1.7 var(--sans);color:#889699;max-width:310px;margin-top:28px}#viewport{position:absolute;z-index:2;left:31%;width:48%;height:100%;outline:none;touch-action:none}#atlas-canvas{width:100%;height:100%;display:block}.scanline{position:absolute;left:10%;right:10%;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);box-shadow:0 0 13px #78eeff;opacity:.12;animation:scan 7s ease-in-out infinite;pointer-events:none}@keyframes scan{0%,100%{transform:translateY(-270px)}50%{transform:translateY(270px)}}.axis-label{position:absolute;right:8%;font-size:7px;letter-spacing:.27em;color:#53676c}.axis-label.top{top:13%}.axis-label.bottom{bottom:10%}#tooltip{position:absolute;display:none;pointer-events:none;padding:7px 10px;background:#dffbff;color:#071013;font-size:9px;letter-spacing:.16em;box-shadow:0 0 24px #7beeff99;transform:translate(14px,-50%);white-space:nowrap}#webgl-fallback{position:absolute;inset:30% 15%;padding:2rem;border:1px solid var(--line);color:#b8c6c8;text-align:center}.inspector{position:absolute;z-index:4;right:clamp(22px,5vw,72px);top:21%;width:min(275px,22vw);padding:24px 0;border-top:1px solid #507078;border-bottom:1px solid var(--line)}.inspector #close-inspector{position:absolute;right:0;top:15px;background:0;border:0;color:#607579;font-size:22px;cursor:pointer}.number{position:absolute;right:0;top:45px;font:italic 46px var(--serif);color:#dffbff0f}.inspector h2{font:italic 30px/1 var(--serif);margin:3px 0 15px;color:var(--ice)}.inspector>p:not(.eyebrow){font-size:11px;line-height:1.65;color:#89979a;min-height:54px}.data-row{border-top:1px solid var(--line);padding:10px 0;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.18em;color:#5e7276}.data-row b{color:#b8c7c9;font-weight:500}.inspector #focus-button{width:100%;margin-top:18px;padding:11px;background:transparent;border:1px solid #7beeff66;color:#aeeef5;font-size:8px;letter-spacing:.2em;text-align:left;cursor:pointer}.inspector #focus-button span{float:right}.inspector #focus-button:disabled{opacity:.3;cursor:default}.view-controls{position:absolute;z-index:5;left:clamp(22px,5vw,76px);bottom:8%;display:flex;border:1px solid var(--line)}button{font-family:inherit}.view-controls button{background:#090d0f;color:#64767a;border:0;border-right:1px solid var(--line);padding:12px 16px;font-size:8px;letter-spacing:.14em;cursor:pointer}.view-controls button:last-child{border:0}.view-controls button.active{background:#daf8fc;color:#071012}.zoom-controls{position:absolute;z-index:5;right:clamp(22px,5vw,72px);bottom:8%;display:flex;align-items:center;gap:12px;color:#54676b;font-size:7px;letter-spacing:.2em}.zoom-controls button{width:34px;height:34px;border:1px solid var(--line);background:#090d0f;color:#bcdde1;font-size:16px;cursor:pointer}.hint{position:absolute;z-index:3;left:50%;transform:translateX(-50%);bottom:4%;font-size:7px;letter-spacing:.2em;color:#53666b;white-space:nowrap}.hint span{display:inline-block;width:22px;border-top:1px solid #667e83;vertical-align:middle;margin-right:8px}.directory{display:grid;grid-template-columns:1fr 2fr;gap:7vw;padding:100px clamp(22px,7vw,100px);background:#080b0c;border-top:1px solid var(--line)}.directory h2{font:italic clamp(36px,4vw,58px) var(--serif);margin:0 0 20px}.directory>div>p:last-child{font-size:12px;line-height:1.8;color:#758488;max-width:310px}.search{height:48px;border-bottom:1px solid #38484c;display:flex;align-items:center;gap:12px}.search span{color:var(--cyan);font-size:22px}.search input{width:100%;background:transparent;border:0;color:#e6f2f3;outline:0;font-size:12px;letter-spacing:.06em}.filters{display:flex;gap:8px;margin:22px 0}.filters button{background:transparent;border:1px solid var(--line);color:#65777b;padding:8px 11px;font-size:7px;letter-spacing:.16em;cursor:pointer}.filters button.active{border-color:#a6eaf3;color:#c7f5fb}.muscle-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.muscle-item{display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:10px;min-height:61px;padding:8px 12px 8px 0;border-bottom:1px solid var(--line);background:transparent;color:#dbe7e8;text-align:left;cursor:pointer}.muscle-item:nth-child(odd){border-right:1px solid var(--line);margin-right:18px}.muscle-item .idx{font:italic 13px var(--serif);color:#557075}.muscle-item b{font:400 13px var(--serif)}.muscle-item small{display:block;color:#596a6e;font-size:7px;letter-spacing:.12em;margin-top:4px}.muscle-item .arrow{color:#628187}.muscle-item:hover,.muscle-item:focus{color:var(--cyan);outline:0}.muscle-item[hidden]{display:none}footer{min-height:92px;padding:0 clamp(22px,5vw,72px);display:flex;align-items:center;justify-content:space-between;position:relative;border-top:1px solid var(--line);font-size:7px;letter-spacing:.18em;color:#526267}.health-footer-brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}footer p{letter-spacing:.05em} @media(max-width:760px){.topbar{height:58px}.status{display:none}.stage{height:880px}.intro{top:90px;left:20px;width:calc(100% - 40px);pointer-events:none}.intro h1{font-size:42px}.lede{display:none}#viewport{left:0;top:130px;width:100%;height:610px}.inspector{top:auto;bottom:79px;left:18px;right:18px;width:auto;background:linear-gradient(90deg,#081013f2,#081013b8);padding:14px 16px}.inspector .eyebrow,.inspector .number,.inspector .data-row,#focus-button{display:none}.inspector h2{font-size:24px;margin:0 0 5px}.inspector>p:not(.eyebrow){margin:0;min-height:0;font-size:10px}.view-controls{left:18px;bottom:25px}.zoom-controls{right:18px;bottom:25px}.hint{display:none}.directory{grid-template-columns:1fr;padding:70px 20px;gap:35px}.muscle-list{grid-template-columns:1fr}.muscle-item:nth-child(odd){border-right:0;margin-right:0}footer{padding:24px 20px;gap:14px;flex-wrap:wrap}footer p{order:3;width:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.scanline{animation:none}}

/* Anatomical atlas composition overrides */
footer a{color:var(--cyan)}
#atlas-canvas{filter:drop-shadow(0 0 18px rgba(73,226,244,.16))}
@media(max-width:600px){.stage{height:960px;min-height:960px}.topbar{height:58px;background:rgba(5,7,8,.78);backdrop-filter:blur(12px)}.status{display:none}.intro{top:76px;left:20px;width:calc(100% - 40px);text-align:left;pointer-events:none}.intro .eyebrow{margin-bottom:9px}.intro h1{font-size:35px;line-height:.9;max-width:270px}.intro .lede{display:none}#viewport{inset:145px 0 160px;width:100%;height:auto}.inspector{bottom:12px;left:12px;right:12px;width:auto;max-height:205px;padding:16px 18px;background:rgba(7,12,14,.94);backdrop-filter:blur(14px)}.inspector .eyebrow,.inspector .number,.inspector .data-row{display:none}.inspector h2{font-size:23px;margin:0 30px 5px 0}.inspector #muscle-meta{font-size:11px;line-height:1.45;margin:0 0 10px}.inspector #focus-button{padding:8px 10px}.view-controls{top:150px;bottom:auto;left:50%;transform:translateX(-50%)}.zoom-controls{right:10px;top:48%}.hint,.axis-label{display:none}}

.skip:not(:focus-visible){transform:translateY(-200%)}
@media(max-width:600px){.intro h1{font-size:30px}.view-controls{top:132px}.stage #viewport{inset:165px 0 160px}}

.skip{clip-path:inset(100%)}.skip:focus-visible{clip-path:none}
@media(max-width:600px){.view-controls{top:170px}.stage #viewport{inset:200px 0 160px}}

/* 1.0 composition and loading polish */
.load-progress{position:absolute;z-index:5;left:50%;top:50%;width:min(240px,62vw);transform:translate(-50%,-50%);font:600 9px var(--sans);letter-spacing:.2em;color:#bdeef4;text-align:center;transition:opacity .45s ease}.load-progress b{display:block;height:1px;margin-top:12px;background:#26383b;overflow:hidden}.load-progress i{display:block;width:0;height:100%;background:#72efff;box-shadow:0 0 12px #50eaff;transition:width .16s ease}.load-progress.done{opacity:0}
#viewport:focus-visible{outline:1px solid rgba(123,238,255,.72);outline-offset:-4px}.inspector{box-shadow:0 20px 70px rgba(0,0,0,.42),inset 0 1px rgba(255,255,255,.025)}
@media(min-width:601px){#viewport{top:88px;bottom:76px;height:auto}.hint{bottom:28px}.view-controls{bottom:28px}.zoom-controls{right:32px}.intro{top:18%}.inspector{bottom:32px}}
@media(max-width:600px){.stage{height:844px;min-height:844px}.intro{top:72px}.intro h1{font-size:28px;max-width:245px}.stage #viewport{inset:176px 0 168px}.view-controls{top:148px}.inspector{bottom:10px;max-height:176px;padding:13px 16px}.inspector h2{font-size:21px}.zoom-controls{top:45%}.load-progress{top:46%}}

/* Canonical Signal masthead + atlas layer controls */
.topbar{justify-content:center;height:76px}.status{position:absolute;right:clamp(18px,4vw,64px)}
.signal-brand-row{display:inline-flex;align-items:center;justify-content:center;gap:12px;white-space:nowrap;font-family:'Cormorant Garamond',Georgia,serif;font-size:31.68px;font-weight:300;line-height:1;text-transform:uppercase;color:#f0eef8}
.signal-wordmark{display:inline-block;letter-spacing:.18em;margin-right:-.18em;color:#f0eef8;font-style:normal;text-decoration:none}.signal-wordmark>span{color:#b59662;font-style:italic}.signal-health,.signal-bolt,.health-globe{display:inline-flex;align-items:center;justify-content:center;width:1.243em;height:1.155em;color:#b59662;text-decoration:none}.signal-health-icon{display:block;width:1.243em;height:.746em}.signal-bolt-icon{width:.738em;height:.945em;display:block;fill:currentColor;transform:translateY(.088em)}
@keyframes signal-gold-shimmer{0%,100%{opacity:.94;filter:brightness(.96) drop-shadow(0 0 1px rgba(181,150,98,.22))}46%{opacity:1;filter:brightness(1.42) drop-shadow(0 0 8px rgba(255,226,169,.5))}}
.signal-health-icon,.signal-bolt-icon,.health-globe .signal-map-icon{animation:signal-gold-shimmer 3.8s cubic-bezier(.45,0,.35,1) infinite}.health-globe .signal-map-icon{animation-delay:-.72s}.signal-health-icon{animation-delay:-1.44s}
.layer-controls{position:absolute;z-index:5;top:96px;left:50%;transform:translateX(-50%);display:flex;padding:3px;border:1px solid var(--line);background:rgba(5,7,8,.72);backdrop-filter:blur(12px)}.layer-controls button{border:0;background:transparent;color:#718084;font:600 9px var(--sans);letter-spacing:.2em;padding:9px 16px;cursor:pointer}.layer-controls button.active{color:#061014;background:#dffbff;box-shadow:0 0 20px rgba(123,238,255,.22)}
@media(prefers-reduced-motion:reduce){.signal-health-icon,.signal-bolt-icon,.health-globe .signal-map-icon{animation:none}}
@media(max-width:760px){.topbar{height:64px}.signal-brand-row{font-size:22px;gap:8px}.status{display:none}.layer-controls{top:132px}.intro{top:78px}.view-controls{top:176px}.stage #viewport{inset:202px 0 168px}}
@media(min-width:761px){.layer-controls{top:96px}.intro{top:20%}}

/* Reference-driven luminous anatomy: deep-water noir, not a copied image. */
.stage{background:radial-gradient(ellipse at 51% 44%,#092536 0,#061521 24%,#030a12 57%,#020508 82%)}
#viewport::before{content:"";position:absolute;inset:3% 18%;pointer-events:none;background:radial-gradient(ellipse,rgba(35,205,239,.1),rgba(8,65,91,.045) 43%,transparent 72%);filter:blur(24px)}
#atlas-canvas{filter:drop-shadow(0 0 7px rgba(116,236,255,.54)) drop-shadow(0 0 24px rgba(27,167,211,.24));transition:filter .25s ease}
.hint span{background:#83efff;box-shadow:0 0 6px #57def4,0 0 15px rgba(87,222,244,.54)}
.luminous-note{position:absolute;z-index:4;right:30px;bottom:27px;width:190px;color:#648894;font:500 8px/1.45 var(--sans);letter-spacing:.12em;text-align:right;text-transform:uppercase;pointer-events:none}
@media(max-width:760px){.luminous-note{right:14px;bottom:146px;width:150px;font-size:7px}}
@media(prefers-reduced-motion:reduce){#atlas-canvas{transition:none}}

/* Mobile atlas controls meet touch-target guidance without changing desktop composition. */
@media(max-width:1000px),(pointer:coarse),(hover:none){.layer-controls button,.view-controls button{min-height:44px;padding-block:12px}.zoom-controls button{width:44px;height:44px;font-size:20px}#close-inspector{min-width:44px;min-height:44px}.zoom-controls{gap:10px}}

/* Keep the hero copy in its own rail: never paint over the anatomy. */
.stage>.intro{top:clamp(132px,18vh,184px);width:min(360px,28vw)}
.stage>.intro #atlas-title{width:100%;max-width:360px;text-align:left;font-size:clamp(48px,4.4vw,68px);line-height:.84}
.stage>.intro #atlas-title span{display:block}
@media(max-width:1000px) and (min-width:761px){.stage>.intro{left:28px;width:240px}.stage>.intro #atlas-title{font-size:44px}.intro .lede{font-size:12px}}
@media(max-width:760px){.stage>.intro{top:74px;left:18px;width:calc(100% - 36px);text-align:center}.stage>.intro #atlas-title{width:100%;max-width:none;text-align:center;font-size:clamp(32px,10vw,44px);line-height:.82}.layer-controls{top:172px}.view-controls{top:220px}.stage #viewport{inset:246px 0 168px}}