:root{
  --bg:#080a15; --card:rgba(255,255,255,.05); --line:rgba(255,255,255,.12);
  --txt:#eef2ff; --muted:#8f97b8; --acc:#7c5cff; --acc2:#00e5ff;
  --size:240px; --persp:1400px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Space Grotesk',system-ui,sans-serif;color:var(--txt);background:var(--bg);
  min-height:100vh;display:grid;place-items:center;padding:50px 16px;overflow-x:hidden}
.bg-glow{position:fixed;inset:0;background:
  radial-gradient(640px 380px at 88% 8%, rgba(124,92,255,.32), transparent 65%),
  radial-gradient(640px 380px at 8% 92%, rgba(0,229,255,.22), transparent 65%);
  animation:drift 17s ease-in-out infinite alternate}
@keyframes drift{to{transform:scale(1.15) translate(-24px,18px)}}

.wrap{width:min(820px,100%)}
.head{text-align:center;margin-bottom:30px;animation:up .7s cubic-bezier(.2,.8,.2,1) both}
.pill{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--acc2);
  border:1px solid var(--line);padding:7px 15px;border-radius:99px;background:var(--card)}
h1{font-size:clamp(32px,6.5vw,52px);margin:16px 0 8px;letter-spacing:-.02em}
h1 span{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.head p{color:var(--muted);font-size:15px}
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

.glass{background:var(--card);border:1px solid var(--line);border-radius:26px;backdrop-filter:blur(18px);
  box-shadow:0 34px 80px rgba(0,0,0,.6);overflow:hidden;
  animation:up .7s .1s cubic-bezier(.2,.8,.2,1) both}

.stage{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:10px;padding:30px}
.scene{height:360px;display:grid;place-items:center;perspective:var(--persp);cursor:grab;touch-action:none}
.scene:active{cursor:grabbing}
.cube{position:relative;width:var(--size);height:var(--size);transform-style:preserve-3d;
  transform:rotateX(-18deg) rotateY(24deg);transition:transform .1s linear}
.cube.glide{transition:transform .6s cubic-bezier(.22,1,.32,1)}
.face{position:absolute;inset:0;border:2px solid rgba(255,255,255,.16);border-radius:14px;overflow:hidden;
  backface-visibility:hidden;box-shadow:inset 0 0 60px rgba(0,0,0,.5)}
.face img{width:100%;height:100%;object-fit:cover;display:block}
.f-front {transform:translateZ(calc(var(--size) / 2))}
.f-back  {transform:rotateY(180deg) translateZ(calc(var(--size) / 2))}
.f-right {transform:rotateY(90deg) translateZ(calc(var(--size) / 2))}
.f-left  {transform:rotateY(-90deg) translateZ(calc(var(--size) / 2))}
.f-top   {transform:rotateX(90deg) translateZ(calc(var(--size) / 2))}
.f-bottom{transform:rotateX(-90deg) translateZ(calc(var(--size) / 2))}

.panel{padding:6px 22px 6px 6px}
.views{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:20px}
.v{padding:11px 6px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--muted);font-family:inherit;font-size:13.5px;cursor:pointer;transition:.3s}
.v:hover{color:var(--txt);border-color:var(--acc2);transform:translateY(-3px)}
.v.on{background:linear-gradient(90deg,var(--acc),var(--acc2));color:#080a15;border-color:transparent;font-weight:700}

.row{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.row label{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);width:100%}
.row input[type=range]{flex:1;min-width:130px;-webkit-appearance:none;appearance:none;height:8px;border-radius:99px;
  background:linear-gradient(90deg,var(--acc),var(--acc2)) 0/var(--fill,50%) 100% no-repeat,rgba(255,255,255,.1);outline:none}
.row input::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;
  border:4px solid var(--acc2);cursor:grab;box-shadow:0 6px 16px rgba(0,0,0,.5)}
.row input::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--acc2)}
.row output{font-size:13px;color:var(--acc2);font-variant-numeric:tabular-nums;min-width:74px;text-align:right}

.btns{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.tg{padding:11px 17px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--muted);font-family:inherit;font-size:13.5px;cursor:pointer;transition:.3s}
.tg:hover{color:var(--txt);border-color:var(--acc);transform:translateY(-3px)}
.tg.on{background:linear-gradient(90deg,var(--acc),var(--acc2));color:#080a15;border-color:transparent;font-weight:700}
.deg{margin-left:auto;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}

.tip{text-align:center;color:var(--muted);font-size:13.5px;margin-top:20px}

@media (max-width:760px){
  .stage{grid-template-columns:1fr;padding:22px 16px}
  .scene{height:300px}
  .panel{padding:6px}
}
@media (max-width:400px){:root{--size:190px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}