:root{--ink:#1b1f3b;--cream:#fff8ec;--sun:#ffb400;--coral:#ff5a5f;--sky:#7cc4f5;--round:'Fredoka',system-ui,sans-serif}
*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden;background:var(--sky);color:#fff;font-family:Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
body{user-select:none;-webkit-user-select:none}
a,button{color:inherit;font:inherit;cursor:pointer}
button{background:none;border:0;padding:0}

/* Pre-WebGL backdrop: the same sky as the 3D scene, so there is no flash. */
#bg{position:fixed;inset:0;z-index:0;background:linear-gradient(180deg,#4aa3f0 0%,#9fd3ff 55%,#ffe9c9 100%)}
#webgl{position:fixed;inset:0;width:100%;height:100%;z-index:1;display:block;touch-action:none}
#space{z-index:2!important}
#ui{z-index:3!important}
#webgl.hot{cursor:pointer}
#counter{position:fixed;z-index:4;left:2.2vw;bottom:3svh;font:700 17svh/1 var(--round);color:#fff;text-shadow:0 6px 0 rgba(27,31,59,.18);pointer-events:none;transition:opacity .6s,transform .6s}
#counter.done{opacity:0;transform:translateY(6vh) scale(.9)}

#ui{position:fixed;inset:0;z-index:2;pointer-events:none}
#ui a,#ui button,#ui input,#ui form,#ui select,#ui textarea,#ui label{pointer-events:auto}
.top{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;justify-content:space-between;padding:22px 2.4vw;font:600 13px/1 var(--round);letter-spacing:.12em;opacity:0;transition:opacity 1s .2s;text-shadow:0 1px 8px rgba(27,31,59,.35)}
body.ready .top{opacity:1}
.logo{display:flex;flex-direction:column;align-items:center;gap:5px;text-decoration:none}.logo b{font:400 23px/1 Righteous,var(--round);letter-spacing:.09em;padding-left:.09em}.logo span{font:400 7.5px/1 Righteous,var(--round);letter-spacing:.42em;padding-left:.42em}
.links{display:flex;gap:34px;align-items:center}.links a{text-decoration:none;opacity:.9}.links a:hover{opacity:1}.links button{opacity:.9}.links button:hover{opacity:1}
.right{display:flex;align-items:center;gap:22px}
.classic{text-decoration:none;background:rgba(255,255,255,.18);border:2px solid #fff;border-radius:30px;padding:10px 16px;backdrop-filter:blur(6px)}
#sound{display:flex;align-items:center;gap:10px}
.bars{display:flex;align-items:flex-end;gap:2px;height:12px}.bars i{width:3px;height:3px;border-radius:2px;background:#fff}
#sound[aria-pressed=true] .bars i{animation:bar .9s ease-in-out infinite alternate}
#sound[aria-pressed=true] .bars i:nth-child(2){animation-delay:-.3s}#sound[aria-pressed=true] .bars i:nth-child(3){animation-delay:-.6s}#sound[aria-pressed=true] .bars i:nth-child(4){animation-delay:-.15s}
@keyframes bar{from{height:3px}to{height:12px}}

/* Chapters */
.chapter{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s,visibility 0s .6s}
.chapter.on{opacity:1;visibility:visible;transition:opacity .6s}
.chapter>*{transform:translateY(24px);opacity:0;transition:transform .9s cubic-bezier(.34,1.56,.64,1),opacity .6s}
.chapter.on>*{transform:none;opacity:1}
.chapter.on>:nth-child(2){transition-delay:.08s}.chapter.on>:nth-child(3){transition-delay:.16s}.chapter.on>:nth-child(4){transition-delay:.24s}
.tag{font:600 12px/1 var(--round);letter-spacing:.22em;margin:0}

.intro{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;text-shadow:0 4px 24px rgba(27,31,59,.35)}
.intro h1{margin:18px 0 0;display:flex;flex-direction:column;align-items:center;font-weight:400;text-shadow:0 3px 0 rgba(27,31,59,.3),0 6px 30px rgba(27,31,59,.6)}
.intro h1 small{font:600 clamp(16px,1.6vw,24px)/1 var(--round);letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.intro h1 b{font:400 clamp(44px,8.4vw,136px)/1 Righteous,var(--round);letter-spacing:.09em;padding-left:.09em;white-space:nowrap}
.intro h1 span{margin-top:clamp(8px,1.2vw,18px);font:400 clamp(12px,1.75vw,28px)/1 Righteous,var(--round);letter-spacing:.42em;padding-left:.42em;white-space:nowrap}
.intro .hint{margin:28px 0 0;font:600 15px/1 var(--round);letter-spacing:.12em;background:rgba(27,31,59,.35);padding:14px 22px;border-radius:40px;backdrop-filter:blur(6px)}
.intro .hint b{display:inline-block;animation:nudge 1.4s ease-in-out infinite}
@keyframes nudge{50%{transform:translateY(4px)}}

.station{display:flex;align-items:flex-end;padding:0 3vw 11svh}
.station .card{background:rgba(255,248,236,.94);color:var(--ink);border-radius:26px;padding:20px 24px 22px;box-shadow:0 10px 0 rgba(27,31,59,.18),0 20px 50px rgba(27,31,59,.25);max-width:min(440px,92vw);pointer-events:auto}
.station .place{font:600 12px/1 var(--round);letter-spacing:.18em;color:var(--coral)}
.station h2{margin:10px 0 4px;font:700 clamp(30px,3.4vw,52px)/.95 var(--round)}
.station .sub{font:600 12px/1 var(--round);letter-spacing:.16em;opacity:.7}
.station .play{margin-top:16px;display:inline-flex;align-items:center;gap:10px;background:var(--coral);color:#fff;border-radius:40px;padding:12px 20px 12px 14px;font:700 14px/1 var(--round);letter-spacing:.08em;box-shadow:0 5px 0 #c73c41;transition:transform .15s,box-shadow .15s}
.station .play:hover{transform:translateY(2px);box-shadow:0 3px 0 #c73c41}
.station .play i{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;color:var(--coral);font-style:normal;font-size:11px;padding-left:2px}
.station .hint{display:block;margin-top:12px;font-size:12px;opacity:.6}
.station.right{justify-content:flex-end}

.contact{display:grid;grid-template-columns:1fr minmax(320px,540px);gap:6vw;align-items:center;padding:90px 7vw 110px;color:var(--ink);background:radial-gradient(circle at 70% 30%,#fff 0,var(--cream) 60%);overflow-y:auto;touch-action:pan-y}
.contact.on{transition:opacity 1s;pointer-events:auto}
.contact-intro{display:flex;flex-direction:column}
.contact h2{margin:14px 0 0;font:700 clamp(72px,11vw,190px)/.82 var(--round);color:var(--coral)}
.contact .lead{margin:28px 0 0;max-width:440px;font:500 17px/1.5 Inter,sans-serif;opacity:.8}
.contact .mail{margin-top:18px;font:700 20px var(--round);color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;align-self:flex-start}
.contact small{margin-top:40px;font:600 11px var(--round);letter-spacing:.16em}
.goual-contact{display:flex;flex-direction:column;gap:14px;background:#fff;border-radius:28px;padding:28px;box-shadow:0 10px 0 rgba(27,31,59,.12),0 24px 60px rgba(27,31,59,.14)}
.goual-contact .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.goual-contact label{display:flex;flex-direction:column;gap:6px;font:700 12px var(--round);letter-spacing:.1em;text-transform:uppercase}
.goual-contact label span{font-weight:500;text-transform:none;letter-spacing:0;opacity:.55}
.goual-contact input,.goual-contact select,.goual-contact textarea{width:100%;background:#f6f3ec;border:2px solid transparent;border-radius:14px;padding:12px 14px;font:500 15px Inter,sans-serif;color:var(--ink);outline:0;transition:border-color .2s,background .2s;user-select:text;-webkit-user-select:text}
.goual-contact textarea{resize:vertical;min-height:110px}
.goual-contact input:focus,.goual-contact select:focus,.goual-contact textarea:focus{border-color:var(--ink);background:#fff}
.goual-contact .honey{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.goual-contact button[type=submit]{margin-top:4px;background:var(--coral);color:#fff;border-radius:40px;padding:16px 24px;font:700 15px var(--round);letter-spacing:.08em;box-shadow:0 5px 0 #c73c41;transition:transform .15s,box-shadow .15s}
.goual-contact button[type=submit]:hover{transform:translateY(2px);box-shadow:0 3px 0 #c73c41}
.goual-contact button[disabled]{opacity:.6;cursor:wait}
.form-status{margin:0;min-height:1.2em;font:600 14px/1.4 Inter,sans-serif}.form-status.ok{color:#2f8a4a}.form-status.err{color:#c73c41}.form-status a{color:inherit}
body.end .top,body.end .bottom{color:var(--ink);text-shadow:none}body.end .classic{border-color:var(--ink)}body.end .bars i,body.end .progress i{background:var(--ink)}

.bottom{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 2.4vw;font:600 12px/1 var(--round);letter-spacing:.16em;opacity:0;transition:opacity .8s;text-shadow:0 1px 8px rgba(27,31,59,.35)}
body.ready .bottom{opacity:1}
.bottom .bar-socials{margin-left:auto;margin-right:18px}.bottom .bar-socials a{background:rgba(10,12,22,.28)}.contact-intro .socials{display:flex;margin:18px 0 6px}
@media(max-width:767px){.bottom .bar-socials{display:none}}
.progress{flex:1;max-width:320px;height:4px;border-radius:4px;background:rgba(255,255,255,.35);position:relative;margin-left:auto;overflow:hidden}
.progress i{position:absolute;inset:0;background:#fff;transform-origin:left;transform:scaleX(0)}
#scroll-hint{animation:nudge 1.4s ease-in-out infinite}

/* Lightbox */
#lightbox{position:fixed;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:rgba(17,20,40,.86);backdrop-filter:blur(10px);padding:70px 4vw 40px;opacity:0;transition:opacity .35s}
#lightbox.open{opacity:1}
#lightbox[hidden]{display:none}
#lightbox video{max-width:100%;max-height:calc(100svh - 160px);border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#000;transform:scale(.92);transition:transform .45s cubic-bezier(.34,1.56,.64,1)}
#lightbox.open video{transform:none}
#lightbox p{margin:0;font:700 22px/1.1 var(--round);text-align:center}
#lightbox-close{position:absolute;top:20px;right:22px;width:48px;height:48px;border-radius:50%;background:#fff;color:var(--ink);font:700 18px/1 var(--round)}

@media(max-width:767px){
  #counter{left:4.2vw;font-size:11svh}
  .top{padding:16px 16px}.links,.classic{display:none}
  .station{padding:0 14px 13svh;justify-content:center}.station.right{justify-content:center}
  .station{padding-bottom:8svh}.station .card{padding:12px 16px 14px;width:100%}.station h2{font-size:24px;margin:6px 0 2px}.station .play{margin-top:10px;padding:9px 16px 9px 10px;font-size:13px}.station .hint{display:none}
  .bottom{padding:14px 16px}
  .contact{grid-template-columns:1fr;gap:28px;padding:84px 16px 40px;align-items:start;padding-bottom:90px}.contact h2{font-size:64px}.contact .lead{font-size:15px;margin-top:16px}.contact small{margin-top:20px}
  .goual-contact{padding:20px;border-radius:22px}.goual-contact .row{grid-template-columns:1fr}
}

.contact .credit{grid-column:1/-1;margin-top:0;font:500 10px/1.5 Inter,sans-serif;letter-spacing:0;opacity:.6}

/* Burger menu (phones) */
#burger{display:none;position:relative;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.18);border:2px solid #fff;backdrop-filter:blur(6px);z-index:6}
#burger i{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:#fff;transition:transform .3s,opacity .3s}
#burger i:nth-child(1){top:14px}#burger i:nth-child(2){top:20px}#burger i:nth-child(3){top:26px}
body.menu-open #burger{border-color:var(--ink);background:#fff}body.menu-open #burger i{background:var(--ink)}
body.menu-open #burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}body.menu-open #burger i:nth-child(2){opacity:0}body.menu-open #burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
#mobile-menu[hidden]{display:none}
@keyframes menuIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
body.menu-open .top{color:var(--ink);text-shadow:none;z-index:6;position:absolute}
.contact .formation-link{margin-top:14px;font:600 15px var(--round);color:var(--coral);text-decoration:none;align-self:flex-start;border-bottom:2px solid currentColor;padding-bottom:2px}
@media(max-width:767px){#burger{display:block}#sound .label{display:none}}

/* Speaker icon for the sound button on phones (muted cross when off, waves when on). */
#sound .spk{display:none;width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#sound .spk .cone{fill:#fff}
#sound .spk .waves{display:none}#sound[aria-pressed=true] .spk .waves{display:inline}#sound[aria-pressed=true] .spk .mute{display:none}
body.end #sound .spk,body.menu-open #sound .spk{stroke:var(--ink)}body.end #sound .spk .cone,body.menu-open #sound .spk .cone{fill:var(--ink)}
@media(max-width:767px){#sound{width:44px;height:44px;justify-content:center;border-radius:50%;background:rgba(255,255,255,.18);border:2px solid #fff;backdrop-filter:blur(6px)}#sound .bars{display:none}#sound .spk{display:block}body.end #sound{border-color:var(--ink)}}
.chapter.station,.chapter.intro,.top,.bottom,#counter{touch-action:none}

/* Stone GOUAL ART logo (image) */
.logo img{display:block;width:150px;height:auto;filter:drop-shadow(0 1px 4px rgba(10,14,30,.55))}
.intro h1 .brand{display:block;width:min(86vw,1100px);height:auto;filter:drop-shadow(0 4px 0 rgba(10,14,30,.35)) drop-shadow(0 10px 30px rgba(10,14,30,.6))}
body.end .logo img,body.menu-open .logo img{filter:drop-shadow(0 0 1px rgba(10,14,30,.9)) brightness(.55)}
@media(max-width:767px){.logo img{width:118px}}

/* Brush GOUAL ART logo */
.logo img{width:104px;filter:drop-shadow(0 2px 6px rgba(10,14,30,.45))}
.logo span{display:none}
.intro h1 .brand{width:min(70vw,560px);max-height:44svh;object-fit:contain;filter:drop-shadow(0 8px 24px rgba(10,14,30,.45))}
body.end .logo img,body.menu-open .logo img{filter:drop-shadow(0 2px 6px rgba(10,14,30,.45))}
@media(max-width:767px){.logo img{width:86px}.intro h1 .brand{width:88vw}}

/* Arcade door (mini-game) */
.arcade-stop .card{background:rgba(13,27,77,.94);color:#fff;border:2px solid #ffd400}
.arcade-stop .place{color:#ffd400}
.arcade-stop .pitch{margin:6px 0 0;font-size:14px;line-height:1.45;opacity:.85;max-width:340px}
.arcade-stop .play{background:#ffd400;color:#111;box-shadow:0 5px 0 #b38f00}
.arcade-stop .play:hover{box-shadow:0 3px 0 #b38f00}
.arcade-stop .play i{color:#111}
#arcade{position:fixed;inset:0;z-index:30;background:#0d1b4d;opacity:0;transform:scale(1.06);transition:opacity .6s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
#arcade.open{opacity:1;transform:none}
#arcade[hidden]{display:none}
#arcade iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
body.arcade-on .top,body.arcade-on .bottom,body.arcade-on #chapters{opacity:0;pointer-events:none;transition:opacity .4s}
@media (max-width:767px){.arcade-stop .pitch{display:none}}

/* Hall of fame: look-around hint */
#look-hint{position:fixed;left:50%;bottom:76px;transform:translate(-50%,10px);z-index:6;padding:9px 18px;border-radius:30px;background:rgba(10,12,22,.62);backdrop-filter:blur(6px);color:#ffd400;font:700 13px/1 var(--round);letter-spacing:.06em;opacity:0;pointer-events:none;transition:opacity .5s,transform .5s;white-space:nowrap}
body.hall #look-hint{opacity:1;transform:translate(-50%,0)}
#look-hint .t{display:none}
@media (hover:none),(pointer:coarse){#look-hint .m{display:none}#look-hint .t{display:inline}}

.arcade-street .card{border-color:#ffd400;background:rgba(18,52,140,.94)}
.arcade-street .place{color:#ffd400}

/* Opening in space: stars and a cartoon Earth, from the first frame. --d (0..1, from the scroll) dives
   toward the Earth: it grows and rises, the stars fade, the sky turns blue, then it all fades onto the 3D sky. */
#space{position:fixed;inset:0;z-index:1;isolation:isolate;overflow:hidden;pointer-events:none;--d:0;background:radial-gradient(130% 90% at 50% 110%,#16306e 0%,#0a1236 45%,#03050f 100%);opacity:calc(1.6 - var(--d) * 1.6)}
#space::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#5aa8ec,#9fd3ff);opacity:clamp(0,calc(var(--d) * 2.2 - .7),1)}
#space .sp-stars{position:absolute;inset:0;width:100%;height:100%;opacity:calc(1 - var(--d) * 2.5);animation:spTwinkle 4s ease-in-out infinite alternate}
@keyframes spTwinkle{to{filter:brightness(.75)}}
#space .sp-earth{position:absolute;left:50%;top:calc(100% - 30vmin);width:130vmax;aspect-ratio:1;border-radius:50%;transform:translate(-50%,calc(var(--d) * -55%)) scale(calc(1 + var(--d) * 2.2));transform-origin:50% 0;background:url(earth.webp) center/cover no-repeat;box-shadow:0 0 5vmin 1.5vmin rgba(120,190,255,.55),0 0 16vmin 5vmin rgba(70,150,255,.28)}
#space .sp-earth::after{content:'';position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 50% 50%,transparent 62%,rgba(140,200,255,.35) 69%,rgba(170,215,255,.7) 71%,transparent 71.5%);pointer-events:none}
#space .sp-land{display:none}
/* Shooting stars: a few streaks crossing the sky now and then, from either side. */
#space .sp-shoot{position:absolute;width:clamp(90px,14vw,200px);height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(255,255,255,0),#fff 85%,#cfe6ff);filter:drop-shadow(0 0 6px #bfe0ff);opacity:0;animation:spShoot var(--t) linear infinite;animation-delay:var(--w);top:var(--y);left:var(--x);transform:rotate(var(--a));opacity:calc(1 - var(--d) * 3)}
#space .sp-shoot.r{transform:rotate(var(--a)) scaleX(-1)}
@keyframes spShoot{0%{translate:0 0;opacity:0}2%{opacity:1}12%{translate:calc(var(--dx)) calc(var(--dy));opacity:0}100%{translate:calc(var(--dx)) calc(var(--dy));opacity:0}}
#space .sp-logo{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(8px,1.4vw,18px);padding-bottom:18vh;transition:opacity .6s}
#space .sp-logo img{width:min(70vw,560px);height:auto;filter:drop-shadow(0 0 30px rgba(90,160,255,.45));animation:spFloat 3.4s ease-in-out infinite alternate}
#space .sp-logo span{font:400 clamp(12px,1.6vw,22px)/1 Righteous,var(--round),sans-serif;letter-spacing:.42em;padding-left:.42em;color:#fff}
@keyframes spFloat{to{transform:translateY(-10px)}}
body.ready #space .sp-logo{opacity:0}
@media (prefers-reduced-motion:reduce){#space .sp-land,#space .sp-logo img,#space .sp-stars{animation:none}}
body:not(.ready) .intro .hint{opacity:0}
.intro .hint{transition:opacity .6s .3s}