:root{--ink:#173e37;--green:#25735b;--paper:#fffdf5;--orange:#e69a3c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 'Trebuchet MS',Arial,sans-serif}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button,a:focus-visible,select:focus-visible{outline:3px solid #e69a3c;outline-offset:5px}header{max-width:1440px;margin:auto;padding:25px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;flex-direction:column;font-weight:bold;line-height:1.1}.mark{font-size:33px;letter-spacing:-2px}.mark span{color:#e9a140}.brand small{font-size:9px;letter-spacing:.2em;margin-top:5px}nav{display:flex;gap:30px}nav a,.parent{font-size:14px}.parent{border:1px solid #ced8ca;padding:9px 15px;border-radius:25px}.hero{max-width:1440px;margin:auto;display:grid;grid-template-columns:.85fr 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20px;font-size:14px}.note{font-size:12px;color:#6f7c6f;max-width:390px}.video-section select{display:block;margin-top:6px;border:1px solid #bbccbd;background:white;color:var(--ink);border-radius:14px;padding:10px 35px 10px 15px}.video-section label{font-size:13px}.video-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:45px;align-items:center}video{width:100%;aspect-ratio:16/9;background:#173e37;border-radius:20px}.video-layout [role=status]{font-size:12px}.video-copy>span{font-size:45px}.video-copy h3{font-size:36px}.video-copy p{font-size:15px}.video-copy a{font-size:13px;text-decoration:underline}.game-section{background:#eaf3ed;max-width:none}.game-section .section-head{max-width:1160px;margin:0 auto 30px}.game{max-width:750px;margin:auto;text-align:center;background:#fffdf5;border-radius:30px;padding:32px}.game>span{font-size:12px;letter-spacing:.1em;color:#6d8275}.game h3{font:normal 52px Georgia;margin:15px 0;color:#25735b}.game #answers{display:flex;justify-content:center;gap:20px;margin:25px 0}.game #answers button{font-size:55px;min-width:115px;min-height:100px;border:2px solid #d8e6d7;border-radius:22px;background:#f3f7ed;cursor:pointer}.game #answers button:hover{border-color:#25735b}.game #answers button.correct{background:#d8edcb;border-color:#25735b}.game [role=status]{min-height:28px;font-size:15px}.game [hidden]{display:none}.adults{max-width:880px;text-align:center}.adults>p:not(.eyebrow){color:#617969}.adults>div{display:flex;gap:25px;justify-content:center;margin-top:28px;font-size:14px;text-decoration:underline}footer{background:#173e37;color:#edf3e4;padding:35px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px}footer .brand{font-size:14px}footer p,footer small{font-size:12px}@media(max-width:800px){header{flex-wrap:wrap}nav{order:3;width:100%;justify-content:center;gap:25px}.hero{grid-template-columns:1fr;padding-top:25px;gap:30px}.hero-art img{height:340px;border-radius:90px 90px 20px 20px}.hero-copy{max-width:500px}h1{font-size:48px}.badge{right:0;bottom:30px}.ribbon{gap:18px;flex-wrap:wrap;font-size:13px}.book-grid{grid-template-columns:1fr}.book{min-height:230px}.book-icon{float:right}.section{padding:50px 6%}.section-head{display:block}.story{grid-template-columns:1fr;gap:28px;margin:0 4%;padding:25px}.story img{max-height:440px}.video-layout{grid-template-columns:1fr;gap:20px}.video-section label{display:block;margin-top:25px}.game #answers{gap:9px}.game #answers button{min-width:76px;min-height:80px;font-size:42px}.game{padding:25px 10px}.adults>div,footer{flex-direction:column}footer{text-align:center}.spark{right:12px;font-size:30px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.book{transition:none}}
.video-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:35px;align-items:start}.video-layout>div:first-child{position:sticky;top:24px}.vignette-column h3{margin-top:0}.vignette-column>p{font-size:14px;color:#587367}#vignette-gallery{display:grid;gap:28px}.vignette{margin:0}.vignette figcaption{font-size:13px;font-weight:bold;margin-bottom:8px}.vignette button{display:block;padding:0;border:0;background:transparent;width:100%;cursor:zoom-in}.vignette img{width:100%;height:auto;object-fit:contain;display:block;border-radius:12px}.vignette-error{font-size:13px}.vignette-error[hidden]{display:none}#picture-dialog{padding:15px;border:0;border-radius:15px;max-width:96vw;max-height:95vh;background:#fffdf5}#picture-dialog::backdrop{background:#153c37d9}#large-picture{display:block;max-width:90vw;max-height:82vh;object-fit:contain}#close-picture{display:block;margin:0 0 12px auto;background:#25735b;color:white;border:0;border-radius:22px;padding:10px 18px;cursor:pointer}@media(max-width:800px){.video-layout{grid-template-columns:1fr}.video-layout>div:first-child{position:static}.vignette-column h3{margin-top:18px}}
.collection-entries{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:0}.toolbar{display:flex;gap:15px;flex-wrap:wrap;align-items:end}.toolbar label{font-size:14px;flex:1;min-width:150px}.toolbar select{display:block;width:100%;padding:12px;border:1px solid #bdcdbb;border-radius:13px;background:white;color:var(--ink)}.reader-columns{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:25px}.reader-pane{background:#f0f3e8;border-radius:22px;padding:25px}.reader-pane h2{font-size:25px}.reader-pane p{font-size:19px;line-height:1.8}.reader-audio{margin:20px 0}.reader-audio p,.reader-note{font-size:13px;color:#64776a}.reader-picture{display:block;max-width:100%;height:330px;object-fit:contain;margin:25px auto}.pager{display:flex;justify-content:space-between;gap:15px;align-items:center;margin:25px 0}.pager button,.explore-controls button{border:1px solid #a5bda7;border-radius:25px;padding:10px 18px;color:var(--ink);background:white;cursor:pointer}button:disabled{opacity:.5;cursor:default}.explore-stage{margin:30px 0}.explore-stage img{display:block;width:100%;height:65vh;min-height:300px;object-fit:contain;background:#f3f4e9;border-radius:22px}.explore-stage figcaption{text-align:center;font-size:13px}.explore-controls{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.explore-stage p{max-width:800px;margin:20px auto}.explore-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.explore-grid button{border:1px solid #cbd9c3;background:#fff;border-radius:12px;padding:7px;cursor:pointer;color:var(--ink)}.explore-grid img{width:100%;height:110px;object-fit:contain}.explore-grid span{font-size:11px}.play-status{min-height:24px;text-align:center;font-size:13px}audio{width:100%}@media(max-width:800px){.collection-entries,.reader-columns{grid-template-columns:1fr}.explore-grid{grid-template-columns:repeat(2,1fr)}.explore-stage img{height:52vh}.pager{flex-wrap:wrap}.reader-pane{padding:20px}}

.reader-picture{width:100%;height:auto;max-height:75vh;object-fit:contain}.reader-picture[hidden]{display:none!important}

/* Full-window artwork with white captions and controls on the illustration. */
#scene-view{position:relative;isolation:isolate;overflow:hidden;background:#163e31;min-height:420px;height:78vh;color:white;margin:30px 0}
#scene-view::before{content:"";position:absolute;inset:-24px;background-image:var(--scene-image);background-position:center;background-size:cover;filter:blur(18px) brightness(1.04) saturate(1.08);z-index:-1}
#scene-view .explore-stage{position:absolute;inset:0;margin:0}
#scene-view .explore-stage::after{content:"";position:absolute;inset:30% 0 0;background:radial-gradient(ellipse at 50% 100%,rgba(8,35,28,.72) 0,rgba(8,35,28,.42) 32%,rgba(8,35,28,.12) 55%,transparent 74%);pointer-events:none}
#scene-view .explore-stage img{width:100%;height:100%;min-height:0;object-fit:contain;background:transparent;border-radius:0}
#scene-view .scene-caption{position:absolute;z-index:1;bottom:calc(var(--scene-controls-height,70px) + 24px);left:50%;transform:translateX(-50%);width:min(100% - 48px,1000px);text-align:center;color:white;text-shadow:0 1px 3px #000,0 2px 8px #000}
#scene-view #scene-count{font-size:14px;color:white;letter-spacing:.08em}
#scene-view #scene-title{color:white;font-size:clamp(25px,3.2vw,44px);margin:8px 0 12px;line-height:1.12}
#scene-view #scene-copy{max-height:28vh;overflow:auto;font-size:clamp(16px,1.5vw,21px);line-height:1.45;scrollbar-color:#fff8 transparent}
#scene-view #scene-copy p{max-width:850px;margin:6px auto;color:white}
#scene-view .explore-controls{position:absolute;z-index:2;bottom:max(12px,env(safe-area-inset-bottom));left:12px;right:12px;margin:0;padding:0;gap:10px;background:none}
#scene-view .explore-controls button{min-height:44px;padding:10px 17px;border:1px solid #fff9;border-radius:24px;background:transparent;color:white;text-shadow:0 1px 3px #000,0 2px 6px #000;box-shadow:none;outline:none;font-size:clamp(14px,1.3vw,18px)}
#scene-view .explore-controls button:hover{background:#ffffff20;border-color:white}
#scene-view .explore-controls button:focus-visible{outline:3px solid white;outline-offset:3px;background:#0005}
#scene-view:is(:fullscreen,:-webkit-full-screen,.scene-expanded){width:100%;height:100%;min-height:0;padding:0;margin:0;overflow:hidden}
#scene-view.scene-expanded{position:fixed;inset:0;z-index:2147483647;height:100dvh}
@media(max-width:600px){#scene-view{height:80svh;min-height:420px}.scene-caption{width:calc(100% - 28px)!important}#scene-view #scene-title{font-size:26px}#scene-view #scene-copy{font-size:16px;max-height:28svh}#scene-view .explore-controls{gap:7px}#scene-view .explore-controls button{padding:9px 12px;font-size:14px}}
@media(max-height:500px){#scene-view{min-height:300px}#scene-view #scene-title{font-size:24px;margin:3px 0}#scene-view #scene-copy{max-height:23vh;font-size:15px}#scene-view .scene-caption{bottom:calc(var(--scene-controls-height,60px) + 14px)}}