/* Wonderbop */
:root{
  --sky-top:#8fd3f2; --sky-bot:#e2f4e4;
  --night-top:#151735; --night-bot:#3a3f78;
  --grass:#8fce6b; --grass-deep:#6cb85f;
  --fox:#f2913d; --sun:#ffd54f; --berry:#e0518e;
  --ink:#4a3a2c; --panel:#fffaf2; --panel-edge:#e8d9bf;
  --font-display:'Fredoka','Comic Sans MS','Chalkboard SE',system-ui,sans-serif;
  --font-ui:'Nunito','Segoe UI',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;}
/* overscroll-behavior:none stops a flailing toddler's swipe from triggering
   browser pull-to-refresh (a reload yanks them out of the scene) or a
   horizontal overscroll back/forward navigation. Scene nav stays buttons-only. */
html,body{height:100%;overflow:hidden;touch-action:manipulation;overscroll-behavior:none;}
body{font-family:var(--font-display);color:var(--ink);background:var(--sky-bot);}
svg{display:block;width:100%;height:auto;}
button{font-family:inherit;cursor:pointer;}
.hidden{display:none !important;}

/* ============ SKY ============ */
#sky{position:fixed;inset:0;z-index:0;}
#sky::before,#sky::after{content:'';position:absolute;inset:0;transition:opacity 2.4s ease;}
/* the day layer stays opaque as an always-on base so the crawlable #site-info
   (z-index:-1) never shows through mid-crossfade; only the night layer fades. */
#sky::before{background:linear-gradient(180deg,var(--sky-top) 0%,#c8ebf5 45%,var(--sky-bot) 100%);opacity:1;}
#sky::after{background:linear-gradient(180deg,var(--night-top) 0%,#23265c 55%,var(--night-bot) 100%);opacity:0;}
body.night #sky::after{opacity:1;}
.sky-cloud{position:absolute;width:16vw;min-width:110px;opacity:.75;animation:cloudDrift 60s linear infinite;}
.sky-cloud.c2{width:11vw;min-width:80px;animation-duration:85s;animation-delay:-30s;}
body.night .sky-cloud{opacity:.12;}
@keyframes cloudDrift{from{transform:translateX(-25vw);}to{transform:translateX(115vw);}}

/* ============ WORLD & SCENES ============ */
#world{position:fixed;inset:0;z-index:1;display:flex;width:300vw;   /* JS sets the real width per world */
  transition:transform .75s cubic-bezier(.6,.05,.3,1);}
.scene{position:relative;width:100vw;height:100%;flex:0 0 100vw;overflow:hidden;
  transition:filter 2.4s ease;}
body.night .scene{filter:brightness(.6) saturate(.72);}
.ground{position:absolute;left:-2vw;right:-2vw;bottom:0;height:15vh;
  background:linear-gradient(180deg,var(--grass),var(--grass-deep));
  border-radius:45% 55% 0 0/26px 20px 0 0;}
.hill{position:absolute;border-radius:50%;}
.hill-a{width:95vw;height:46vh;left:-28vw;bottom:7vh;background:#a5d99a;}
.hill-b{width:85vw;height:38vh;right:-30vw;bottom:8vh;background:#97d28c;}
.hill-c{width:100vw;height:42vh;left:-40vw;bottom:7vh;background:#a0d695;}
.hill-d{width:95vw;height:44vh;right:-34vw;bottom:7vh;background:#a5d99a;}

.sprite{position:absolute;cursor:pointer;}
/* hit-test on the drawn character, not its invisible bounding box —
   otherwise big transparent rects steal taps from neighbors underneath */
.sprite,.perch-bird,#pip,#sun,#moon{pointer-events:none;}
.sprite svg *,.perch-bird svg *,#pip svg *,#sun svg *,#moon svg *{pointer-events:auto;}
/* thin-stemmed / tiny fliers keep their full box so toddlers can still hit them */
.reed-sp,.dragonfly-sp{pointer-events:auto;}
/* keep the day/night rule winning over shape-level hit areas */
body.night #sun svg *,body:not(.night) #moon svg *{pointer-events:none;}

.sways{transform-origin:50% 100%;animation:sway 4.5s ease-in-out infinite;}
@keyframes sway{0%,100%{transform:rotate(-2.5deg);}30%{transform:rotate(.8deg) translateX(1px);}
  55%{transform:rotate(2.5deg);}80%{transform:rotate(-.6deg) translateX(-1px);}}
.flower-sp.bloom svg,.coral-sp.bloom svg{animation:bloomkf .6s cubic-bezier(.3,1.6,.5,1);}
@keyframes bloomkf{0%{transform:scale(1);}45%{transform:scale(1.22) rotate(4deg);}100%{transform:scale(1);}}


.bobs{animation:bobkf 3.2s ease-in-out infinite;}
@keyframes bobkf{0%,100%{transform:translate(0,0) rotate(-1.8deg);}25%{transform:translate(2px,-4px) rotate(0deg);}
  50%{transform:translate(0,-7px) rotate(1.8deg);}75%{transform:translate(-2px,-3px) rotate(.4deg);}}

@keyframes regrowkf{from{opacity:0;transform:scale(0);}to{opacity:1;transform:scale(1);}}





/* ============ CELESTIAL & NIGHT LAYERS ============ */
#celestial{position:fixed;inset:0;z-index:12;pointer-events:none;}
#sun,#moon{position:absolute;top:4vh;left:5vw;width:clamp(92px,13vw,165px);
  pointer-events:auto;cursor:pointer;transition:transform 2.2s ease-in-out,opacity 2s ease;}
#sun .rays{transform-box:fill-box;transform-origin:center;animation:rayspin 46s linear infinite;}
@keyframes rayspin{to{transform:rotate(360deg);}}
#moon{transform:translateY(-42vh);opacity:0;}
body.night #sun{transform:translateY(64vh) rotate(46deg);opacity:0;pointer-events:none;}
body.night #moon{transform:translateY(0);opacity:1;}
body:not(.night) #moon{pointer-events:none;}

#stars-layer{position:fixed;inset:0;z-index:11;pointer-events:none;}
.star-sprite{position:absolute;width:clamp(32px,4.4vw,56px);pointer-events:auto;cursor:pointer;
  opacity:0;animation:starin 1s ease forwards,twinkle 2.6s ease-in-out infinite 1s;
  filter:drop-shadow(0 0 7px rgba(255,226,122,.8));}
@keyframes starin{from{opacity:0;}to{opacity:1;}}
@keyframes twinkle{0%,100%{transform:scale(1);}50%{transform:scale(1.2);}}
.star-sprite.burst{animation:starburst .7s ease;}
@keyframes starburst{0%{transform:scale(1);}40%{transform:scale(1.8) rotate(22deg);}100%{transform:scale(1);}}

#fireflies{position:fixed;inset:0;z-index:13;pointer-events:none;}
.firefly{position:absolute;width:9px;height:9px;border-radius:50%;background:#fff8b0;
  box-shadow:0 0 14px 5px rgba(255,244,150,.65);
  animation:ffly var(--dur,7s) ease-in-out infinite alternate,ffglow 2.2s ease-in-out infinite;}
@keyframes ffly{from{transform:translate(0,0);}to{transform:translate(var(--fx,10vw),var(--fy,-8vh));}}
@keyframes ffglow{0%,100%{opacity:.9;}50%{opacity:.25;}}

/* zzz for sleeping critters */
.sleeps::after{content:'z z';position:absolute;top:-14px;right:-6px;
  font-family:var(--font-display);font-size:clamp(16px,2.4vw,26px);color:#fff;
  text-shadow:0 2px 5px rgba(0,0,0,.35);opacity:0;transition:opacity 1.5s ease;pointer-events:none;}
body.night .sleeps::after{opacity:.95;animation:zfloat 2.8s ease-in-out infinite;}
@keyframes zfloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
/* non-nocturnal critters (.sleeps) close their eyes at night — squish each eye to a
   slit, mirroring the owl's .lid technique. Nocturnal ones (owl, angler) have no
   .sleeps class and stay wide awake. */
.sleeps .eye{transform-box:fill-box;transform-origin:center;transition:transform .7s ease;}
body.night .sleeps .eye{transform:scaleY(.14);}

/* ============ HUD ============ */
.nav-arrow{position:fixed;top:50%;transform:translateY(-50%);z-index:30;
  width:clamp(56px,8.5vw,82px);height:clamp(56px,8.5vw,82px);border-radius:50%;
  border:none;background:var(--panel);color:var(--fox);
  font-size:clamp(34px,5vw,48px);font-family:var(--font-display);line-height:1;
  box-shadow:0 5px 0 var(--panel-edge),0 8px 18px rgba(74,58,44,.18);transition:transform .12s;}
.nav-arrow:active{transform:translateY(-50%) scale(.9);}
#nav-left{left:max(2vw,env(safe-area-inset-left));}
#nav-right{right:max(2vw,env(safe-area-inset-right));}

#pip{position:fixed;left:max(1.5vw,env(safe-area-inset-left));bottom:max(.5vh,env(safe-area-inset-bottom));z-index:30;width:clamp(84px,13vw,150px);cursor:pointer;
  filter:drop-shadow(0 4px 6px rgba(74,58,44,.25));}
#pip .eye{transform-box:fill-box;transform-origin:center;animation:blink 5s infinite;}
@keyframes blink{0%,93%,100%{transform:scaleY(1);}96%{transform:scaleY(.08);}}
#pip .tail{transform-box:fill-box;transform-origin:92% 85%;animation:wag 3s ease-in-out infinite;}
@keyframes wag{0%,100%{transform:rotate(0);}50%{transform:rotate(9deg);}}
#pip.jump{animation:pipjump .7s cubic-bezier(.3,1.5,.5,1);}
@keyframes pipjump{0%{transform:translateY(0) scale(1,1);}14%{transform:translateY(2px) scale(1.1,.84);}
  45%{transform:translateY(-6vh) scale(.95,1.08) rotate(-4deg);}
  80%{transform:translateY(0) scale(1.06,.9);}100%{transform:translateY(0) scale(1,1);}}

#book-btn{position:fixed;right:max(2vw,env(safe-area-inset-right));bottom:max(1.5vh,env(safe-area-inset-bottom));z-index:30;width:clamp(62px,9vw,90px);
  height:clamp(62px,9vw,90px);border-radius:26px;border:none;background:var(--panel);
  padding:10px;box-shadow:0 5px 0 var(--panel-edge),0 8px 18px rgba(74,58,44,.18);transition:transform .12s;}
#book-btn:active{transform:scale(.9);}
#book-badge{position:absolute;top:-8px;right:-8px;min-width:28px;height:28px;border-radius:14px;
  background:var(--berry);color:#fff;font-family:var(--font-display);font-size:16px;
  display:flex;align-items:center;justify-content:center;padding:0 7px;box-shadow:0 2px 5px rgba(0,0,0,.25);}

#gear-btn{position:fixed;top:max(2vh,env(safe-area-inset-top));right:max(2vw,env(safe-area-inset-right));z-index:30;width:46px;height:46px;border-radius:50%;
  border:none;background:rgba(255,250,242,.66);color:#9a8b74;font-size:21px;}

#prompt-pill{position:fixed;top:max(3vh,env(safe-area-inset-top));left:50%;z-index:31;transform:translateX(-50%) scale(.8);
  background:var(--panel);color:var(--ink);font-family:var(--font-display);
  font-size:clamp(18px,3.2vw,30px);padding:12px 30px;border-radius:40px;
  box-shadow:0 5px 0 var(--panel-edge),0 8px 20px rgba(74,58,44,.2);
  opacity:0;pointer-events:none;transition:opacity .35s ease,transform .45s cubic-bezier(.3,1.5,.5,1);
  max-width:86vw;text-align:center;}
#prompt-pill.show{opacity:1;transform:translateX(-50%) scale(1);}

/* ============ PARTICLES ============ */
.spark{position:fixed;width:11px;height:11px;border-radius:50%;z-index:60;pointer-events:none;
  animation:sparkfly .8s ease-out forwards;}
@keyframes sparkfly{from{transform:translate(0,0) scale(1);opacity:1;}
  to{transform:translate(var(--dx),var(--dy)) scale(.15);opacity:0;}}
.confetti{position:fixed;width:12px;height:12px;border-radius:3px;z-index:60;pointer-events:none;
  animation:confkf 1.25s ease-out forwards;}
@keyframes confkf{from{transform:translate(0,0) rotate(0);opacity:1;}
  to{transform:translate(var(--dx),var(--dy)) rotate(560deg);opacity:0;}}
.heart{position:fixed;z-index:60;pointer-events:none;color:var(--berry);
  font-size:clamp(18px,3vw,28px);animation:heartrise 1.3s ease-out forwards;}
@keyframes heartrise{from{transform:translateY(0) scale(.6);opacity:1;}
  to{transform:translateY(-14vh) scale(1.3);opacity:0;}}

/* ============ BOOT ============ */
#boot{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:3vh;cursor:pointer;box-sizing:border-box;
  /* reserve room top & bottom for the absolutely-pinned badge / install hint so the
     centred stack can never ride up or down into them at any viewport height.
     Short/landscape screens tighten this in the max-height blocks below. */
  padding:calc(env(safe-area-inset-top,0px) + 3vh + 3rem) 16px
          calc(env(safe-area-inset-bottom,0px) + 3vh + 3rem);
  background:linear-gradient(180deg,#ffe9b8 0%,#ffd9a0 30%,#8fd3f2 100%);}
#boot h1{font-family:var(--font-display);font-weight:600;font-size:clamp(40px,9vw,92px);
  color:#fff;text-shadow:0 4px 0 var(--fox),0 8px 16px rgba(74,58,44,.25);letter-spacing:.02em;}
#boot h1 span{display:inline-block;animation:letterb 1.8s ease-in-out infinite;
  animation-delay:calc(var(--i)*.08s);}
@keyframes letterb{0%,55%,100%{transform:translateY(0);}25%{transform:translateY(-16px);}}
#boot .pip-hello{width:clamp(140px,24vw,240px);filter:drop-shadow(0 6px 10px rgba(74,58,44,.3));
  /* boot uses a gentler dedicated hop than in-world Pip (whose pipjump leaps -6vh);
     margin-top reserves clearance for it so the fox never rises into the tagline. */
  margin-top:4vh;animation:boothop 2.4s cubic-bezier(.3,1.5,.5,1) infinite;}
@keyframes boothop{0%{transform:translateY(0) scale(1,1);}14%{transform:translateY(2px) scale(1.08,.86);}
  45%{transform:translateY(-3vh) scale(.97,1.05) rotate(-3deg);}80%{transform:translateY(0) scale(1.04,.94);}
  100%{transform:translateY(0) scale(1,1);}}
#boot .cta{font-family:var(--font-display);font-size:clamp(20px,3.8vw,34px);color:#fff;
  background:var(--fox);padding:14px 40px;border-radius:44px;
  box-shadow:0 5px 0 #c96f22;animation:ctapulse 1.6s ease-in-out infinite;}
@keyframes ctapulse{0%,100%{transform:scale(1);}50%{transform:scale(1.07);}}
#install-hint{border:none;background:rgba(255,250,242,.85);color:#8a6a3a;
  font-family:var(--font-ui);font-weight:700;font-size:clamp(13px,2.4vw,16px);
  padding:10px 22px;border-radius:30px;box-shadow:0 3px 0 rgba(138,106,58,.2);
  position:absolute;bottom:max(3vh,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);
  text-align:center;max-width:92vw;}
#worlds-btn{border:none;background:rgba(255,250,242,.92);color:#8a6a3a;
  font-family:var(--font-display);font-weight:600;font-size:clamp(16px,2.9vw,24px);
  padding:12px 34px;border-radius:36px;box-shadow:0 4px 0 rgba(138,106,58,.25);
  min-height:44px;}   /* never below the 44px tap-target minimum, even when shrunk */
#worlds{z-index:55;}    /* opens from the title screen, so it must sit above it */
#worlds-panel{width:min(560px,94vw);}
#world-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:560px){#world-grid{grid-template-columns:1fr;}}
.world-card{border-radius:18px;overflow:hidden;background:#fff;cursor:pointer;
  border:4px solid #f0e6d2;box-shadow:0 3px 0 #efe4cf;transition:transform .15s ease,border-color .2s ease;}
.world-card:active{transform:scale(.97);}
.world-card img{width:100%;display:block;aspect-ratio:8/5;object-fit:cover;background:#cde9f5;}
.world-card .wname{font-family:var(--font-display);font-size:19px;color:var(--ink);padding:10px 14px 0;}
.world-card .wblurb{font-family:var(--font-ui);font-size:13.5px;font-weight:700;color:#a08b68;padding:2px 14px 12px;}
.world-card.sel{border-color:var(--fox);}
.world-card.sel .wname::after{content:' \2713';color:var(--fox);}
#install{z-index:55;}   /* opens from the title screen, so it must sit above it */
#install .panel p{font-family:var(--font-ui);color:var(--ink);}
#install-now{display:block;width:100%;margin-top:10px;padding:14px;border:none;border-radius:14px;
  background:var(--fox);color:#fff;font-family:var(--font-ui);font-weight:800;font-size:16px;}
#close-install{background:var(--fox);color:#fff;}

/* ============ OVERLAYS ============ */
.overlay{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;
  flex-direction:column;gap:20px;background:rgba(58,47,72,.55);backdrop-filter:blur(5px);}
.overlay.active{display:flex;}

#gate-btn{width:160px;height:160px;border-radius:50%;border:none;position:relative;overflow:hidden;
  background:var(--panel);color:var(--ink);font-family:var(--font-display);font-size:19px;
  box-shadow:0 6px 0 var(--panel-edge);}
#gate-progress{position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(var(--fox) calc(var(--p,0)*1%),transparent 0);opacity:.5;pointer-events:none;}
#gate-btn span{position:relative;z-index:2;}
.overlay .hint{color:#fff;font-family:var(--font-display);font-size:19px;text-shadow:0 2px 4px rgba(0,0,0,.3);}

.panel{background:var(--panel);border-radius:28px;padding:28px 32px;width:min(520px,92vw);
  max-height:86vh;overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.35);
  font-family:var(--font-ui);position:relative;}
.panel h2{font-family:var(--font-display);color:var(--fox);font-weight:600;margin-bottom:14px;}
.panel .close-x{position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:50%;
  border:none;background:#f3e8d5;color:#8a6a3a;font-size:20px;font-weight:bold;}
.setting-row{margin:18px 0;}
.setting-row .title{font-weight:800;margin-bottom:8px;font-size:15px;}
.seg{display:flex;gap:8px;}
.seg button{flex:1;padding:12px 8px;border-radius:14px;border:2px solid #ecdfc8;background:#fdf8ee;
  font-size:15px;font-family:var(--font-ui);font-weight:700;color:var(--ink);line-height:1.35;}
.seg button.sel{background:var(--fox);border-color:var(--fox);color:#fff;}
.seg button small{font-weight:600;opacity:.85;}
.picker-btn{width:100%;padding:12px 14px;border-radius:14px;border:2px solid #ecdfc8;background:#fdf8ee;
  font-family:var(--font-ui);font-weight:700;font-size:15px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;}
.picker-btn .chev{color:var(--fox);font-weight:800;white-space:nowrap;}
#lock-info{font-size:14px;line-height:1.6;background:#eef5fd;border-radius:14px;padding:14px 16px;margin-top:8px;}
#lock-info b{color:#4a7de0;}
.panel-actions{display:flex;gap:10px;margin-top:20px;}
.panel-actions button{flex:1;padding:14px;border:none;border-radius:14px;font-size:16px;
  font-family:var(--font-ui);font-weight:800;}
#fs-btn{background:#e9f2ff;color:#4a7de0;}
#reset-btn{background:#fdecec;color:#c25050;}
#close-settings{background:var(--fox);color:#fff;}

/* sticker book */
#book-panel{width:min(640px,94vw);}
#book-count{font-family:var(--font-display);color:#8a6a3a;font-size:17px;margin-bottom:14px;}
#book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
@media (max-width:560px){#book-grid{grid-template-columns:repeat(2,1fr);}}
.stk-slot{background:#fff;border-radius:18px;padding:12px 8px;text-align:center;
  box-shadow:0 3px 0 #efe4cf;}
.stk-slot .art{width:70%;margin:0 auto;}
.stk-slot:not(.got) .art{filter:brightness(0);opacity:.13;}
.stk-slot .nm{font-family:var(--font-display);font-size:14px;margin-top:6px;color:var(--ink);}
.stk-slot:not(.got) .nm{color:#c5b79e;}
.stk-slot.got{animation:regrowkf .5s ease;cursor:pointer;}
.stk-slot.pop{animation:boingkf .5s cubic-bezier(.3,1.6,.5,1);}
#book-done{width:100%;margin-top:16px;padding:16px;border:none;border-radius:18px;
  background:var(--fox);color:#fff;font-family:var(--font-display);font-weight:600;
  font-size:clamp(20px,3.5vw,28px);box-shadow:0 5px 0 #c96f22;transition:transform .12s;}
#book-done:active{transform:scale(.96);}

/* celebration */
#celebrate{position:fixed;inset:0;z-index:45;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:2vh;pointer-events:none;opacity:0;transition:opacity .35s ease;}
#celebrate.show{opacity:1;}
#celebrate .stk{width:clamp(140px,26vw,250px);filter:drop-shadow(0 8px 16px rgba(0,0,0,.3));
  animation:celebpop .65s cubic-bezier(.3,1.6,.5,1);}
@keyframes celebpop{from{transform:scale(0) rotate(-16deg);}to{transform:scale(1) rotate(0);}}
#celebrate .msg{font-family:var(--font-display);font-size:clamp(28px,5.5vw,48px);color:#fff;
  text-align:center;text-shadow:0 3px 0 var(--fox),0 7px 14px rgba(0,0,0,.35);line-height:1.3;}
.fly-stk{position:fixed;width:110px;z-index:46;transform:translate(-50%,-50%);pointer-events:none;
  transition:left .85s cubic-bezier(.5,0,.75,.5),top .85s cubic-bezier(.5,0,.75,.5),
    transform .85s ease,opacity .85s ease;}

/* ============ EXTRA CRITTERS & TAP SURFACES ============ */
.tuft-sp svg,.seaweed-sp svg{transform-origin:50% 100%;}
.tuft-sp.rustle svg,.seaweed-sp.rustle svg{animation:rustlekf .55s ease;}
@keyframes rustlekf{0%,100%{transform:skewX(0);}25%{transform:skewX(10deg);}60%{transform:skewX(-9deg);}}

@keyframes boingkf{0%,100%{transform:scale(1,1);}30%{transform:scale(1.25,.7);}60%{transform:scale(.85,1.2);}}

@keyframes flipkf{0%,100%{transform:rotate(0) translateY(0);}45%{transform:rotate(-13deg) translateY(-14px);}}



@keyframes wobkf{0%{transform:rotate(0);}20%{transform:rotate(11deg);}45%{transform:rotate(-8deg);}70%{transform:rotate(5deg);}100%{transform:rotate(0);}}

@keyframes plinkkf{50%{transform:translateY(8px);}}


.bubble-sp{position:absolute;border-radius:50%;cursor:pointer;z-index:4;
  background:radial-gradient(circle at 32% 30%,rgba(255,255,255,.95),rgba(190,230,255,.35));
  border:2px solid rgba(255,255,255,.75);animation:bubblerise var(--dur,6s) linear forwards;}
@keyframes bubblerise{0%{transform:translate(0,0);opacity:1;}25%{transform:translate(7px,-8vh);}
  50%{transform:translate(-6px,-16vh);}75%{transform:translate(6px,-24vh);}
  100%{transform:translate(0,-32vh);opacity:.45;}}


.perch-bird .bw,.perch-bird .bw2,.bird-fly .bw,.bird-fly .bw2{
  transform-box:fill-box;transform-origin:90% 85%;animation:flapwing .26s linear infinite alternate;}
@keyframes flapwing{from{transform:rotate(0);}to{transform:rotate(-36deg);}}

.bird-fly{position:fixed;width:clamp(46px,6.5vw,86px);z-index:14;pointer-events:none;
  animation:birdfly 2.6s ease-in forwards;}
.bird-fly.flip svg{transform:scaleX(-1);}
@keyframes birdfly{0%{transform:translate(0,0) scale(.55) rotate(0deg);opacity:0;}
  12%{opacity:1;transform:translate(calc(var(--dir,1)*8vw),-4vh) scale(1) rotate(calc(var(--dir,1)*-6deg));}
  35%{transform:translate(calc(var(--dir,1)*24vw),-9vh) scale(.96) rotate(calc(var(--dir,1)*5deg));}
  60%{transform:translate(calc(var(--dir,1)*44vw),-15vh) scale(.9) rotate(calc(var(--dir,1)*-7deg));}
  82%{transform:translate(calc(var(--dir,1)*60vw),-21vh) scale(.84) rotate(calc(var(--dir,1)*3deg));}
  100%{transform:translate(calc(var(--dir,1)*75vw),-30vh) scale(.76) rotate(calc(var(--dir,1)*-4deg));opacity:.85;}}

.shoot-star{position:fixed;width:clamp(34px,4.8vw,58px);z-index:14;pointer-events:none;
  filter:drop-shadow(0 0 9px rgba(255,226,122,.9));animation:shootkf 1.4s ease-out forwards;}
@keyframes shootkf{0%{transform:translate(0,0) scale(1);opacity:1;}
  100%{transform:translate(calc(var(--dir,1)*38vw),24vh) scale(.35);opacity:0;}}

.sprout-pop{position:absolute;width:clamp(38px,5.5vw,70px);pointer-events:none;z-index:3;
  transform-origin:50% 100%;animation:sproutkf 2.2s ease forwards;}
@keyframes sproutkf{0%{transform:scale(0);opacity:1;}18%{transform:scale(1.15);}28%{transform:scale(1);}
  80%{transform:scale(1);opacity:1;}100%{transform:scale(1);opacity:0;}}

/* ============ PHONE (narrow portrait) ============ */
@media (max-width:700px){
  .flower-sp{width:clamp(44px,13vw,64px);}
  .tuft-sp{width:clamp(36px,10vw,58px);}
  .mushroom-sp{width:clamp(28px,8vw,44px);}
  .snail-sp{width:clamp(40px,11vw,62px);left:52%;}
  .ladybug-sp{width:clamp(26px,7vw,40px);left:48%;}
  .bunny-sp{width:clamp(56px,15vw,84px);}
  .butterfly-sp{width:clamp(48px,13vw,76px);}
  .bee-sp{width:clamp(30px,8vw,48px);}
  .rock-sp{width:clamp(40px,11vw,66px);}
  .frog-sp{width:clamp(56px,15vw,88px);}
  .duck-sp{width:clamp(56px,15vw,88px);}
  .duckling-sp{width:clamp(32px,9vw,52px);}
  .reed-sp{width:clamp(24px,7vw,36px);}
  .stone-sp{width:clamp(34px,9vw,56px);}
  .turtle-sp{width:clamp(44px,12vw,72px);}
  .cloud-sp{width:clamp(110px,30vw,180px);}
  .dragonfly-sp{width:clamp(40px,11vw,64px);}
  .tree-art{width:min(88vw,60vh);}
  .whale-sp{width:clamp(130px,34vw,210px);}
  .octopus-sp{width:clamp(84px,22vw,130px);}
  .jelly-sp{width:clamp(44px,12vw,70px);}
  .seahorse-sp{width:clamp(46px,12vw,76px);}
  .crab-sp{width:clamp(56px,15vw,92px);}
  .starfish-sp{width:clamp(40px,10vw,64px);}
  .clam-sp{width:clamp(48px,13vw,78px);}
  .chest-sp{width:clamp(64px,17vw,104px);}
  .coral-sp{width:clamp(40px,11vw,64px);}
  .seaweed-sp{width:clamp(34px,9vw,56px);}
  .fish-cross{width:clamp(34px,9vw,54px);}
  .fish-dart{width:clamp(32px,8vw,52px);}
  .anemone-sp{width:clamp(48px,13vw,78px);}
  .turtle2-sp{width:clamp(90px,24vw,150px);}
  .puffer-sp{width:clamp(60px,16vw,100px);}
  .urchin-sp{width:clamp(34px,9vw,56px);}
  .dollar-sp{width:clamp(32px,8.5vw,52px);}
  .anchor-sp{width:clamp(42px,11vw,70px);}
  .coin-sp{width:clamp(28px,7.5vw,44px);}
  .angler-sp{width:clamp(70px,19vw,120px);}
  .wreck-art{width:min(86vw,64vh);}
  .star-sprite{width:clamp(28px,7vw,40px);}
  #sun,#moon{width:clamp(64px,17vw,100px);}
  #pip{width:clamp(60px,17vw,84px);}
  #book-btn{width:clamp(50px,14vw,64px);height:clamp(50px,14vw,64px);border-radius:20px;padding:7px;}
  .nav-arrow{width:clamp(46px,12vw,60px);height:clamp(46px,12vw,60px);font-size:clamp(26px,7vw,36px);}
  .sprout-pop{width:clamp(32px,9vw,50px);}
}

/* ============ MID-HEIGHT SCREENS (fill the 521–820px gap) ============ */
/* full-size boot overflows on these heights; scale the stack so it always fits
   inside the padded content box without touching the pinned badge / hint. */
@media (max-height:820px){
  #boot{gap:2vh;}
  #boot h1{font-size:clamp(34px,7vh,72px);}
  #boot .boot-sub{font-size:clamp(14px,2.4vh,20px);}
  #boot .pip-hello{width:clamp(110px,20vh,190px);}
  #boot .cta{font-size:clamp(18px,3.4vh,30px);padding:12px 34px;}
  #worlds-btn{font-size:clamp(15px,2.6vh,22px);padding:10px 30px;}
}

/* ============ SHORT SCREENS (landscape phones) ============ */
@media (max-height:520px){
  /* barely any height here: hide the marketing badge and tagline (they'd collide
     with the hero and there's no room to reserve for them), shrink the stack, and
     reserve only for the single-line bottom install hint so nothing overflows. */
  #boot{gap:1.4vh;
    padding:calc(env(safe-area-inset-top,0px) + 1.5vh) 16px
            calc(env(safe-area-inset-bottom,0px) + 1.5vh + 2.25rem);}
  #boot .boot-badges,#boot .boot-sub{display:none;}
  #boot h1{font-size:clamp(24px,12vh,52px);}
  #boot .pip-hello{width:clamp(64px,18vh,120px);margin-top:3vh;}
  #boot .cta{font-size:clamp(16px,5.5vh,24px);padding:9px 30px;}
  #install-hint{font-size:clamp(11px,4vh,13px);padding:7px 16px;max-width:96vw;}
  #sun,#moon{width:clamp(64px,22vh,110px);}
  .cloud-sp{top:3vh;}
  #pip{width:clamp(60px,22vh,100px);}
  .nav-arrow{width:clamp(44px,15vh,64px);height:clamp(44px,15vh,64px);font-size:clamp(24px,9vh,38px);}
  #book-btn{width:clamp(48px,16vh,68px);height:clamp(48px,16vh,68px);border-radius:18px;padding:7px;}
  #prompt-pill{font-size:clamp(15px,6vh,24px);padding:9px 22px;}
  .panel{padding:20px 24px;}
}

@media (prefers-reduced-motion:reduce){
  .sways,.bobs,.butterfly-sp,.dragonfly-sp,.cloud-sp,.sky-cloud,#pip .tail,#pip .eye,
  .star-sprite,.firefly,#sun .rays,.squirrel-sp .tail,#boot h1 span,#boot .cta,#boot .pip-hello,
  .butterfly-sp .wl,.butterfly-sp .wr,.dragonfly-sp .dwing,
  .bee-sp,.bee-sp .beew,.bee-sp .beew2,.perch-bird .bw,.perch-bird .bw2,
  .bird-fly .bw,.bird-fly .bw2,.butterfly-sp > svg,.bee-sp > svg,
  .whale-sp,.whale-sp .fluke,.jelly-sp,.jelly-sp .tent,.seahorse-sp,.seahorse-sp .sfin,
  .octopus-sp > svg,.crab-sp .clawR,#pip .prop,.ray,.fish-cross,
  .turtle2-sp,.turtle2-sp .flipA,.turtle2-sp .flipB,.turtle2-sp .flipC,
  .puffer-sp .pfin,.angler-sp,.anemone-sp .fronds{animation:none !important;}
}

/* boot-screen keyword taglines (visible, on-brand) */
#boot .boot-sub{font-family:var(--font-ui);font-weight:800;color:#fff;
  font-size:clamp(15px,3vw,22px);text-shadow:0 2px 6px rgba(74,58,44,.28);
  margin-top:-1vh;text-align:center;padding:0 24px;max-width:22ch;line-height:1.25;}
#boot .boot-badges{font-family:var(--font-ui);font-weight:700;color:#8a6a3a;
  background:rgba(255,250,242,.8);font-size:clamp(12px,2.3vw,15px);
  padding:8px 20px;border-radius:30px;box-shadow:0 3px 0 rgba(138,106,58,.18);
  position:absolute;top:max(3vh,env(safe-area-inset-top));left:50%;transform:translateX(-50%);
  text-align:center;max-width:92vw;}

/* crawlable, accessible description — sits behind the fixed play world */
#site-info{position:absolute;top:0;left:0;right:0;z-index:-1;
  background:var(--sky-bot,#8fd3f2);color:var(--ink,#4a3a2c);
  font-family:var(--font-ui);padding:32px 20px;}
#site-info .site-info-inner{max-width:640px;margin:0 auto;line-height:1.55;}
#site-info h2{font-family:var(--font-display);font-size:clamp(20px,4vw,28px);margin-bottom:12px;}
#site-info h3{font-family:var(--font-display);font-size:clamp(16px,3vw,20px);margin:18px 0 8px;}
#site-info p{margin-bottom:12px;font-size:15px;}
#site-info ul{margin:0 0 12px 20px;}
#site-info li{margin-bottom:6px;font-size:15px;}
#site-info dt{font-weight:800;margin-top:10px;}
#site-info dd{margin:0 0 8px;font-size:15px;}
#site-info a{color:#c96f22;font-weight:800;text-decoration:none;}

/* ---- shared interaction engine (P1) ----
   Drag helper classes the gesture layer applies. Per-object drag CONTENT lands
   in P2; these keep the engine self-contained so worlds only add data. */
/* while dragging, freeze any idle animation (bob/hover/drift) so its transform can't
   offset the object from the finger — left/top alone position it, keeping the grabbed
   point exactly under the pointer for every draggable in every world. */
.dragging{ z-index:60; filter:drop-shadow(0 6px 10px rgba(0,0,0,.25)); cursor:grabbing;
  transition:none; animation:none; touch-action:none; }
.drift-home{ transition:left .4s ease, top .4s ease, transform .4s ease; }

/* ===== P2a: hold / swipe / smear reactions + ambient (meadow world) =====
   New in-scene gestures for the data-driven engine. Every one is an enrichment
   on top of the object's tap (tap still fires); all are pure-sensory so they are
   safe in Baby mode; none can navigate. */
/* hold-to-grow — the inner art swells while a finger is held, springs back on release */
.sprite.holding svg{transform:scale(1.3);transition:transform .5s cubic-bezier(.3,1.5,.5,1);}
.sprite.inflating svg{transform:scale(1.75);transition:transform .55s cubic-bezier(.3,1.5,.5,1);}
/* swipe-scatter — a quick fling of the art, then it settles back (class auto-removed via playMs) */
.sprite.scatter svg{animation:scatterkf .7s cubic-bezier(.4,0,.3,1);}
@keyframes scatterkf{0%{transform:translate(0,0) rotate(0);}35%{transform:translate(26px,-34px) rotate(18deg);}100%{transform:translate(0,0) rotate(0);}}
/* smear-tickle — a soft wobble as a finger brushes across a critter */
.sprite.tickle svg{animation:ticklekf .45s ease;}
@keyframes ticklekf{0%,100%{transform:rotate(0);}25%{transform:rotate(-9deg);}60%{transform:rotate(7deg);}}