:root{
  --core:#12332E; --deep:#0B201C; --amber:#F2A33A; --sprout:#5BD18B;
  --cream:#FFF8EC; --muted:#9DB5AE; --dawn:#FCE9C4;
  --head:'Outfit',system-ui,sans-serif; --body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
/* no scrollbar: the page moves between three stops, the side dots show position */
html{scrollbar-width:none}
::-webkit-scrollbar{display:none}
html{background:var(--deep)}
body{margin:0;font-family:var(--body);color:var(--cream);background:var(--deep);-webkit-font-smoothing:antialiased;overflow-x:clip}
h1,h2,h3,p,ul{margin:0;padding:0}
ul{list-style:none}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:8px}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:max(16px,env(safe-area-inset-top)) clamp(16px,4vw,40px) 16px;pointer-events:none}
.nav>*{pointer-events:auto}
.nav-logo svg{display:block;height:30px;width:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:16px;
  font:700 1.05rem var(--head);text-decoration:none;cursor:pointer;border:0;
  transition:transform .12s ease,box-shadow .12s ease}
.btn-primary{background:var(--amber);color:var(--core);box-shadow:0 6px 0 #B36F17}
.btn-ghost{background:rgba(11,32,28,.45);color:var(--cream);box-shadow:inset 0 0 0 2px var(--cream),0 6px 0 rgba(0,0,0,.28)}
.btn-small{min-height:44px;padding:0 18px;border-radius:14px;font-size:.95rem;background:rgba(11,32,28,.6);color:var(--cream);box-shadow:inset 0 0 0 2px rgba(255,248,236,.5),0 4px 0 rgba(0,0,0,.3);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-small:active{box-shadow:inset 0 0 0 2px rgba(255,248,236,.5)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 rgba(0,0,0,.3)}
.btn-ghost:active{box-shadow:inset 0 0 0 2px var(--cream)}

/* section dots */
.dots{position:fixed;right:clamp(10px,2vw,24px);top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:6px}
.dots a{width:24px;height:24px;display:grid;place-items:center}
.dots a::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--muted);opacity:.55;transition:transform .25s ease,background .25s ease,opacity .25s ease}
.dots a[aria-current]::before{background:var(--amber);opacity:1;transform:rotate(12deg) scale(1.5)}
@media (max-width:640px){.dots{display:none}}

/* panels */
.panel{position:relative;min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:88px clamp(16px,5vw,56px) 40px;overflow:hidden}
.wrap{width:100%;max-width:980px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:clamp(16px,3vh,28px)}
.eyebrow{font:600 .85rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
h2{font:700 clamp(2rem,5.2vw,3.6rem)/1.05 var(--head);letter-spacing:-.01em}
.lede{font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.6;color:var(--muted);max-width:34em}

/* reveal */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1);transition-delay:calc(var(--n,0)*90ms)}
.js .in .reveal{opacity:1;transform:none}

/* hero */
.track{position:relative;height:168vh;height:168svh}
.hero{position:sticky;top:0;height:100vh;height:100svh;--p:0}
.hero{justify-content:flex-start;padding-top:clamp(120px,21vh,220px);
  background:linear-gradient(#06130F 0%,#0B2620 34%,#14463B 62%,#2A7361 82%,#2A7361 100%)}
.sky{position:absolute;inset:0;width:100%;height:100%;translate:0 calc(var(--p)*-22%)}
.moon{position:absolute;top:clamp(150px,30vh,330px);right:clamp(20px,6vw,110px);width:clamp(64px,9vw,124px);aspect-ratio:1;
  border-radius:24%;background:var(--cream);transform:rotate(12deg);translate:0 calc(var(--p)*-60vh);
  box-shadow:0 0 0 clamp(10px,1.6vw,22px) rgba(255,248,236,.06),0 0 90px 20px rgba(255,248,236,.2);
  animation:moon 9s ease-in-out infinite alternate}
.moon i{position:absolute;border-radius:28%;background:#EBDDBF}
.moon i:nth-child(1){width:24%;height:24%;left:18%;top:20%}
.moon i:nth-child(2){width:15%;height:15%;left:58%;top:46%}
.moon i:nth-child(3){width:19%;height:19%;left:30%;top:66%}
@media (max-width:900px){.moon{top:90px;right:26px;width:52px}.hero{padding-top:clamp(156px,22vh,220px)}}
@keyframes moon{to{transform:rotate(16deg) translateY(-10px)}}

.layer{position:absolute;left:-4%;width:108%;bottom:0;height:min(72%,640px);pointer-events:none;will-change:transform;
  transform:translate3d(calc(var(--mx,0)*var(--d)*1px),calc(var(--my,0)*var(--d)*.35px + var(--p)*var(--up)*-1vh),0)}
.layer svg{position:absolute;inset:0;width:100%;height:100%;display:block;overflow:visible;
  animation:rise 1.5s cubic-bezier(.16,.84,.3,1) both;animation-delay:calc(var(--i)*130ms)}
@keyframes rise{from{transform:translateY(46%);opacity:0}}

.mascot{transform-box:fill-box;transform-origin:50% 100%;animation:hop 2.6s cubic-bezier(.3,.6,.4,1) infinite}
.mascot-shadow{transform-box:fill-box;transform-origin:50% 50%;opacity:.5;animation:shadow 2.6s cubic-bezier(.3,.6,.4,1) infinite}
@keyframes hop{
  0%,52%,100%{transform:none}
  58%{transform:scale(1.14,.82)}
  72%{transform:translateY(-58px) scale(.92,1.1) rotate(6deg)}
  86%{transform:translateY(0) scale(1.12,.84)}
  93%{transform:scale(.97,1.04)}
}
@keyframes shadow{0%,58%,86%,100%{transform:none;opacity:.5}72%{transform:scale(.55);opacity:.22}}

.hero-copy{opacity:calc(1 - var(--p)*2.6);translate:0 calc(var(--p)*-160px);position:relative;z-index:2;max-width:860px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:clamp(14px,2.4vh,22px)}
.hero h1{font:700 clamp(2.5rem,7vw,5.4rem)/1.02 var(--head);letter-spacing:-.02em;text-wrap:balance;text-shadow:0 2px 30px rgba(6,19,15,.55)}
.hero h1 span{display:block;animation:up .9s cubic-bezier(.2,.8,.2,1) both .35s}
.hero h1 .grow{color:var(--sprout);animation-delay:.55s}
.hero-copy p{font-size:clamp(1rem,1.7vw,1.25rem);line-height:1.55;color:#C9DCD5;max-width:30em;animation:up .9s cubic-bezier(.2,.8,.2,1) both .75s;text-shadow:0 1px 16px rgba(6,19,15,.7)}
.cta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:clamp(6px,1.5vh,14px);animation:up .9s cubic-bezier(.2,.8,.2,1) both .95s}
.hero-copy p span{display:block}
@keyframes up{from{opacity:0;transform:translateY(22px)}}

.hero.deep .hero-copy,.hero.deep .cue{visibility:hidden}
.cue{opacity:calc(1 - var(--p)*6);position:absolute;z-index:3;bottom:max(14px,env(safe-area-inset-bottom));left:50%;width:44px;height:44px;margin-left:-22px;display:grid;place-items:center}
.cue span{width:12px;height:12px;border-radius:3px;background:var(--amber);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%,100%{transform:rotate(12deg)}50%{transform:translateY(9px) rotate(-12deg)}}

/* growing */
.growing{background:transparent;--g:.5;margin-top:-38vh;margin-top:-38svh}
.growing .wrap{position:relative;z-index:1}
.rocks i{position:absolute;width:var(--z);height:var(--z);border-radius:24%;background:var(--c);rotate:var(--r);
  transform:translate3d(0,calc((var(--g) - .5)*var(--k)*1px),0);will-change:transform}
@media (max-width:640px){.rocks i{scale:.6}}
.rocks i{animation:drift 7s ease-in-out infinite alternate}
.rocks i:nth-child(2n){animation-duration:9s;animation-delay:-3s}
.rocks i:nth-child(3n){animation-duration:11s;animation-delay:-6s}
.rocks i:nth-child(4n){animation-direction:alternate-reverse}
@keyframes drift{from{translate:-3px -7px;rotate:calc(var(--r) - 4deg)}to{translate:4px 8px;rotate:calc(var(--r) + 5deg)}}
.plots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,2.2vw,24px);width:100%}
.plot{background:var(--core);border-radius:28px;padding:22px 18px 24px;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:0 8px 0 #071714}
.plot h3{font:700 clamp(1.25rem,2.4vw,1.6rem) var(--head)}
.plot p{font-size:.95rem;line-height:1.5;color:var(--muted)}
.sprout{position:relative;width:110px;height:118px;margin-bottom:4px}
.sprout::after{content:"";position:absolute;left:8px;right:8px;bottom:0;height:16px;border-radius:10px;background:#2C6255}
.seed{position:absolute;left:50%;bottom:8px;width:24px;height:24px;margin-left:-12px;border-radius:7px;background:var(--amber);transform:rotate(12deg);z-index:1}
.stem{position:absolute;left:50%;bottom:26px;width:8px;margin-left:-4px;height:var(--h);border-radius:4px;background:var(--sprout);transform-origin:50% 100%}
.leaf{position:absolute;bottom:calc(20px + var(--h));width:26px;height:26px;background:var(--sprout);transform-origin:0 100%}
.leaf.r{left:50%;border-radius:4px 70% 4px 70%}
.leaf.l{right:50%;border-radius:70% 4px 70% 4px;transform-origin:100% 100%;bottom:calc(8px + var(--h));background:#3FB574}
.s2 .leaf{width:20px;height:20px}.s1 .leaf{width:14px;height:14px}
.js .plot .stem{transform:scaleY(0);transition:transform .9s cubic-bezier(.2,.8,.2,1) calc(var(--n)*90ms + .35s)}
.js .plot .leaf{transform:scale(0);transition:transform .5s cubic-bezier(.3,1.5,.5,1) calc(var(--n)*90ms + 1.05s)}
.js .in .plot .stem,.js .in .plot .leaf{transform:none}
@media (max-width:640px){
  .plots{grid-template-columns:1fr;gap:12px}
  .plot{display:grid;grid-template-columns:76px 1fr;column-gap:14px;row-gap:2px;text-align:left;padding:10px 16px;align-items:center;border-radius:22px}
  .sprout{grid-row:1/3;transform:scale(.62);transform-origin:0 50%;margin:-16px 0}
  .plot h3{align-self:end}.plot p{align-self:start;font-size:.88rem}
}

/* play */
.play{position:relative;height:100vh;height:100svh;min-height:420px;overflow:hidden;background:#06130F;--u:1}
.play canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y}
.play.playing canvas{touch-action:none;cursor:pointer}
.underside{position:absolute;inset:0 0 auto 0;width:100%;height:clamp(110px,22vh,200px);overflow:visible;pointer-events:none;
  transform:translate3d(0,calc((1 - var(--u))*-70px),0);will-change:transform}
.hud{position:absolute;z-index:2;left:clamp(16px,4vw,40px);bottom:64px;display:flex;flex-direction:column;gap:2px;font-family:var(--head);pointer-events:none}
.hud strong{font-size:1.5rem;font-weight:700}
.hud span{font-size:.9rem;font-weight:600;color:var(--muted)}
.game-ctl{position:absolute;z-index:4;right:clamp(16px,4vw,40px);bottom:64px;display:flex;gap:10px}
.hud[hidden],.game-ctl [hidden],.game-ui[hidden]{display:none}
.game-ui{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:120px 16px 80px;text-align:center;background:rgba(6,19,15,.55)}
.game-ui #gameMsg{font:600 clamp(1rem,2.2vw,1.3rem) var(--head);color:#C9DCD5}
.hint{font-size:.92rem;color:var(--muted)}
.foot{position:absolute;z-index:4;inset:auto 0 0 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 22px;
  padding:8px 16px max(10px,env(safe-area-inset-bottom));font-size:.88rem;color:var(--muted)}
.foot svg{height:20px;width:auto}
.foot a{color:var(--cream);text-underline-offset:3px;min-height:44px;display:inline-flex;align-items:center}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal,.js .plot .stem,.js .plot .leaf{opacity:1;transform:none}
  .layer{transform:none}
  .track{height:100vh;height:100svh}
  .growing{margin-top:0;background:var(--deep)}
}