:root{--ink:#173f3c;--muted:#526a64;--paper:#f8f8ef;--green:#d7efaa;--deep:#123e3a;--line:#d8ded1;--mint:#e8f0e7;--orange:#e89465;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input{touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit}button:disabled{cursor:wait;opacity:.45}button:focus-visible,a:focus-visible,summary:focus-visible,model-viewer:focus-visible{outline:3px solid #d16a35;outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-80px;z-index:30;padding:15px;background:white}.skip:focus{top:15px}.topbar{max-width:1400px;margin:auto;min-height:110px;padding:15px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center}.brand 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0;margin-top:10px}.welcome-bottom p{font-size:13px;line-height:1.6;margin:0}.welcome-bottom p strong{font-weight:500}.wave{font-size:55px;color:#6c9b88;font-family:Georgia,serif}.edition{font-size:9px;line-height:1.8;letter-spacing:1.8px;margin-left:auto}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:22px}.section-heading .eyebrow{margin-bottom:13px}.section-heading>p{font-size:12px;color:var(--muted)}.explore-grid{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(240px,1fr);gap:38px}.viewer-shell{height:440px;background:radial-gradient(ellipse at 50% 40%,#f9fcf3 0,#dce9df 70%,#d1e4df 100%);border:1px solid #cfdbd1;border-radius:18px;position:relative;overflow:hidden}.viewer-label{position:absolute;top:22px;left:24px;font-size:9px;letter-spacing:1.8px;z-index:2;pointer-events:none}#model-host{height:100%}.viewer-poster{width:100%;height:100%;object-fit:contain;padding:65px 40px;opacity:.55}model-viewer{display:block;width:100%;height:100%;--poster-color:transparent;--progress-bar-color:#397365;--progress-bar-height:4px;--min-hotspot-opacity:0}model-viewer .ar-button{position:absolute;bottom:48px;left:50%;transform:translateX(-50%);border-radius:30px;background:var(--deep);color:white;border:1px solid #fff;padding:13px 20px;font-weight:600;white-space:nowrap;max-width:95%;min-height:44px}.model-status{position:absolute;bottom:8px;left:15px;right:15px;text-align:center;font-size:11px;pointer-events:none;background:#eff5e9dc;border-radius:5px;margin:0;padding:4px 8px}.retry{position:absolute;bottom:70px;left:50%;transform:translateX(-50%);background:var(--paper);width:max-content;max-width:90%}.explore-aside{padding-top:8px}.explore-aside .eyebrow{font-size:9px;margin-bottom:15px}.explore-aside>p{font-size:13px;color:var(--muted)}.explore-aside h3{font-size:27px}.model-controls{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.model-controls 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button.incorrect{background:#f8e2d3;border:2px solid #bb7349}.game-feedback{text-align:left;background:#edf3e5;border-radius:8px;padding:15px 20px;font-size:14px;line-height:1.6;margin:20px 0}#next-question{margin-top:12px}.completion-icon{font-size:70px;color:#92b65a;margin-top:30px}#game-finished>p{max-width:520px;margin:15px auto}.finish-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:15px;margin-top:30px}.about-panel{display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:center;padding-top:20px}.about-copy p:not(.eyebrow){max-width:560px;color:var(--muted);font-size:16px}.about-copy h2{font-size:clamp(35px,4vw,53px)}.about-tags{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 35px}.about-tags span{border:1px solid #c1d1b2;padding:9px 16px;border-radius:30px;font-size:12px}.field-note{background:#dfebca;border-radius:9px;padding:38px;transform:rotate(1deg);box-shadow:7px 7px 0 #cddcba}.field-note h3{font-family:Georgia,serif;font-size:37px}.field-note p{font-size:14px}.note-line{height:1px;background:#b8caa1;margin:27px 0}.field-note>.small{display:block;margin-top:30px}.home-main{padding-top:60px;padding-bottom:40px}.noscript{padding:25px;background:#e0edce;margin:30px 0}footer{max-width:1260px;margin:18px auto 0;padding:24px 3%;border-top:1px solid var(--line);display:flex;gap:25px;justify-content:space-between;font-size:10px;color:var(--muted);line-height:1.7}footer details{max-width:450px}footer summary{cursor:pointer}footer p{font-size:11px}footer>a{white-space:nowrap}.panel h1:focus,.panel h2:focus{outline:none}@media(min-width:1500px){.panel{min-height:650px}.viewer-shell{height:500px}}@media(max-width:900px){.welcome{gap:25px;grid-template-columns:1fr 1fr}h1{font-size:44px;letter-spacing:-2px}.intro-meta{gap:10px}.explore-grid{gap:24px;grid-template-columns:1.4fr 1fr}.viewer-shell{height:430px}.facts-grid{gap:22px}.fact-detail{padding:28px}.about-panel{gap:35px}.section-heading{align-items:start}}@media(max-width:640px){.topbar{min-height:88px;padding:10px 5%;gap:10px}.brand img{width:96px;height:58px}.collection{font-size:8px;letter-spacing:.7px;text-align:right;max-width:160px}.toplink{display:none}main{padding:0 5%}.journey{gap:22px;margin:17px 0 22px}.journey button{font-size:11px}.journey button span{font-size:9px;margin-right:4px}.welcome{grid-template-columns:1fr;gap:25px}.intro{padding-top:0}.eyebrow{font-size:9px;letter-spacing:1.2px;margin-bottom:19px}h1{font-size:clamp(34px,10vw,45px);letter-spacing:-1.8px;margin-bottom:20px}.intro-copy{font-size:15px;max-width:340px;margin-bottom:24px}.intro-meta{font-size:9px;margin-top:20px;gap:13px}.welcome-art{border-radius:12px}.welcome-art figcaption{padding:18px 22px}.welcome-art figcaption strong{font-size:22px}.welcome-bottom{gap:17px;padding:15px 0 0;margin:0}.welcome-bottom p{font-size:11px}.wave{font-size:43px}.edition{font-size:7px;letter-spacing:1px}.panel{min-height:0;padding-bottom:25px}.section-heading{display:block;margin-bottom:20px}.section-heading>p{font-size:12px;margin-bottom:0}h2{font-size:34px;letter-spacing:-1.2px}.explore-grid{display:block}.viewer-shell{height:370px}.viewer-label{left:18px;top:18px;font-size:8px}.explore-aside{padding-top:25px}.explore-aside>h3{font-size:27px}.model-controls{margin:16px 0}.explore-aside>.eyebrow{display:none}.ar-info{margin:18px 0}.explore-aside>.primary{width:100%}.facts-grid{display:flex;flex-direction:column;gap:8px}.fact-buttons{gap:8px;padding:0}.fact-button{padding:14px;min-height:63px;gap:15px}.fact-button strong{font-size:13px}.fact-detail{padding:24px;margin-top:14px;min-height:340px}.fact-detail .eyebrow{margin-top:20px}.fact-detail h3{font-size:28px}.fact-detail>p:not(.eyebrow){font-size:13px}.fact-number{font-size:130px}.section-actions{align-items:center;gap:12px}.section-actions .primary{font-size:12px;padding:14px;gap:10px}.section-actions .text-button{font-size:11px}.game-card{padding:24px 20px;margin-top:22px}.game-options{grid-template-columns:1fr;gap:12px}.game-options button{min-height:70px;padding:16px}#game-question{font-size:25px}.game-feedback{font-size:13px;padding:15px}.game-top{font-size:9px}.about-panel{display:block;padding-top:5px}.about-copy h2{font-size:37px}.about-copy p:not(.eyebrow){font-size:15px}.field-note{margin:40px 4px 8px;padding:30px}.field-note h3{font-size:34px}.home-main{padding-top:35px}footer{display:flex;flex-wrap:wrap;gap:16px;padding:20px 5%;font-size:9px}footer>span{width:100%}footer details{flex:1}.finish-actions>.primary,.finish-actions>.secondary{width:100%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Acceso al viaje 2D, sin cambiar las etapas existentes. */
.welcome-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.welcome-actions .primary,.welcome-actions .secondary{gap:16px}.journey .journey-game-link{display:inline-flex;align-items:center;min-height:44px;white-space:nowrap;font-size:13px;font-weight:600;text-decoration:none;border-bottom:2px solid #71984f;padding:10px 0}@media(max-width:640px){.welcome-actions{align-items:stretch}.welcome-actions>a,.welcome-actions>button{width:100%}.journey .journey-game-link{font-size:11px}}