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@media(max-width:760px){.paper{min-height:110svh}.copy{top:50vh}}

.butterfly{will-change:transform}.floating-leaf{position:absolute;left:80%;top:24%;width:24px;height:45px;border-radius:100% 0 100% 0;background:#8d9e70;transform-origin:bottom;animation:sway 5s ease-in-out infinite alternate}.quiet .floating-leaf{animation:none}

.butterfly{will-change:transform}.floating-leaf{position:absolute;left:80%;top:24%;width:24px;height:45px;border-radius:100% 0 100% 0;background:#8d9e70;transform-origin:bottom;animation:sway 5s ease-in-out infinite alternate}.quiet .floating-leaf{animation:none}

/* Art edition 2 — textured illustration on six genuine SVG apertures. */
:root{--dark:#142e25;--muted:#c5ccb5}body{background:#142e25}header{background:linear-gradient(#102a2166,transparent)}
.stage{background:#122b22}.sky{background:#233c2b url('assets/forest-master.webp') no-repeat center / cover}.sun,.distant,.deer,.floating-leaf{display:none}
.paper{width:max(104vw,150vh);height:auto;aspect-ratio:3/2;left:69%;top:46%;transform-origin:69.66% 46%;overflow:hidden;mask-image:var(--cut);mask-size:100% 100%;mask-repeat:no-repeat;-webkit-mask-image:var(--cut);-webkit-mask-size:100% 100%;background:#172f25;backface-visibility:hidden}
.art{position:absolute;width:100%;height:100%;object-fit:cover;pointer-events:none}.art.centered{left:19.66%}.art.master{left:0}
.vignette{background:linear-gradient(90deg,#102d26c9 0%,#102d2688 24%,#102d2633 37%,transparent 53%),linear-gradient(0deg,#112b2788,transparent 17%)}
.copy{width:390px;margin-left:7vw}.description{color:#d0d4bd;text-shadow:0 1px 8px #102a22}.english{color:#dedcc0}.chapter-label{color:#d2c69e}
.butterfly{width:32px;filter:drop-shadow(0 2px 2px #142c2855);left:64%;top:44%}.b2{width:22px;left:76%;top:64%;animation-duration:11s}
.flora{opacity:0!important}.motes i{width:2px;height:2px}.bottom-bar{color:#e0dfc9}.chapter-nav a{filter:drop-shadow(0 1px 2px #102a22)}
@media(max-width:760px){.paper{min-height:0;width:max(120vw,112svh);left:54%;top:34%;transform-origin:69.66% 46%}.sky{background-position:68% 30%;background-size:auto 112svh}.vignette{background:linear-gradient(0deg,#112d26 0%,#112d26f5 22%,#112d26b3 39%,#112d2633 57%,transparent 72%)}.copy{width:84vw;top:51vh;margin-left:8vw}.b1{top:30%;left:49%}.b2{top:41%;left:73%}header{background:linear-gradient(#102a21aa,transparent)}.chapter-nav{top:28%}}

.copy{width:440px}.chapter:nth-child(4) h1{font-size:clamp(42px,3.6vw,56px)}
.sky{background:#193226;overflow:hidden}.core-plane{position:absolute;width:max(104vw,150vh);aspect-ratio:3/2;left:69%;top:46%;transform:translate(-69.66%,-46%);overflow:hidden;background:#172f25;will-change:opacity}.core-plane .art{width:100%;height:100%}
@media(max-width:760px){.copy{width:84vw}.chapter:nth-child(4) h1{font-size:36px}.core-plane{width:max(120vw,112svh);left:54%;top:34%}}
/* Keep the far clearing behind all six moving paper planes. */
.sky{z-index:0;isolation:isolate}#forest{z-index:1}.butterfly,.motes,.flora{z-index:3}.vignette{z-index:4;pointer-events:none;background:linear-gradient(90deg,#102d26f2 0%,#102d26eb 18%,#102d26b3 29%,#102d2666 39%,transparent 55%),linear-gradient(0deg,#112b2788,transparent 17%)}
.art.centered{mask-image:linear-gradient(90deg,transparent,black 17%);-webkit-mask-image:linear-gradient(90deg,transparent,black 17%)}
@media(max-width:760px){.vignette{background:linear-gradient(0deg,#112d26 0%,#112d26f5 22%,#112d26b3 39%,#112d2633 57%,transparent 72%)}}

.sprig{position:absolute;right:3%;bottom:5%;width:190px;z-index:3;transform-origin:50% 95%;animation:sprig-sway 8s ease-in-out infinite alternate;will-change:transform;pointer-events:none}
@keyframes sprig-sway{from{transform:rotate(-9deg)}to{transform:rotate(-5deg)}}.quiet .sprig{animation:none}
header button{min-height:44px}
@media(max-width:760px){.sprig{right:-3%;bottom:45%;width:105px;opacity:.7}}