/* плей AI — прокрутка как полёт по офису */
.journey{position:relative}
.journey .track{height:560vh}
.stage{position:sticky;top:0;height:100vh;overflow:hidden;background:#0E0F12}
.gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(14,15,18,.5) 0%,rgba(14,15,18,0) 34%,rgba(14,15,18,.55) 58%,rgba(14,15,18,.9) 100%)}

.scene{position:absolute;inset:-6% -10%;background-size:cover;background-position:center;
  opacity:0;will-change:transform,opacity,filter;transform:translate3d(0,0,0) scale(1.06)}
.scene::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,15,18,.86) 0%,rgba(14,15,18,.35) 45%,rgba(14,15,18,.75) 100%)}

.host{position:absolute;left:2%;bottom:0;width:min(26vw,330px);margin:0;pointer-events:none;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.6));will-change:transform,opacity}
.host video,.host img{width:100%;background:transparent}

.caption{position:absolute;right:5%;top:50%;transform:translateY(-50%);max-width:min(46vw,560px)}
.caption .stepname{font:600 13px Onest,sans-serif;color:var(--amber);letter-spacing:.06em;margin-bottom:10px;display:block}
.caption h2{font-size:clamp(26px,3.6vw,46px);margin-bottom:12px}
.caption p{font-size:clamp(16px,1.4vw,19px);color:#DAD9D4;margin:0 0 16px}
.caption .row{margin-top:0}
.cap-item{opacity:0;transform:translateY(14px);transition:opacity .45s ease,transform .45s ease}
.cap-item.on{opacity:1;transform:none}

.dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:10px;margin:0;padding:0;list-style:none;z-index:3}
.dots button{width:30px;height:4px;border:0;border-radius:2px;background:#4A4C55;cursor:pointer;padding:0}
.dots button[aria-current="true"]{background:var(--ember)}

.hud{position:absolute;left:0;right:0;bottom:60px;display:flex;justify-content:center;gap:10px;z-index:3;flex-wrap:wrap;padding-inline:16px}
.scrollhint{position:absolute;left:50%;bottom:58px;transform:translateX(-50%);z-index:4;display:grid;gap:4px;
  background:rgba(20,21,25,.82);border:1px solid var(--line);border-radius:16px;padding:14px 20px;text-align:center;
  font-size:14px;color:#C9CAD1;transition:opacity .4s;backdrop-filter:blur(6px)}
.scrollhint b{font-family:Unbounded,sans-serif;font-size:13px;color:var(--amber);margin-bottom:2px}
@media (max-width:760px){.scrollhint{font-size:13px;padding:12px 16px;width:86vw}}

@media (max-width:900px){
  .journey .track{height:520vh}
  .host{width:52vw;left:2%;opacity:.9}
  .caption{right:auto;left:5%;top:auto;bottom:22%;transform:none;max-width:90%}
  .scene::after{background:linear-gradient(180deg,rgba(14,15,18,.55) 0%,rgba(14,15,18,.9) 75%)}
}
@media (prefers-reduced-motion:reduce){
  .journey .track{height:auto}
  .stage{position:static;height:auto}
  .scene{position:relative;inset:auto;opacity:1;transform:none;aspect-ratio:16/9;filter:none!important;margin-bottom:12px}
  .host,.dots,.scrollhint{display:none}
  .caption{position:static;transform:none;max-width:none;margin-bottom:34px}
  .cap-item{opacity:1;transform:none}
}

/* карточка предмета */
.hotcard{position:absolute;left:5%;bottom:14%;z-index:4;width:min(360px,80vw);
  background:rgba(28,30,35,.96);border:1px solid var(--line);border-radius:20px;padding:20px 22px;
  box-shadow:0 20px 50px rgba(0,0,0,.5)}
.hotcard h3{font-family:Unbounded,sans-serif;font-size:18px;margin:0 0 8px}
.hotcard p{font-size:15px;color:#C9CAD1;margin:0 0 14px}
.hotcard .close{position:absolute;top:8px;right:12px;background:none;border:0;color:#9A9CA6;font-size:22px;cursor:pointer}
@media (max-width:900px){.hotcard{left:5%;right:5%;width:auto;bottom:22%}}

.glnote{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:5;
  background:rgba(20,21,25,.9);border:1px solid var(--line);border-radius:999px;padding:10px 18px;
  font-size:14px;color:#C9CAD1}