* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  min-height: 100vh;
  background: #171300;
  color: #f7d33b;
  overflow-x: hidden;
}

.img {
  min-height: 100vh;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 15px;

  background:
    linear-gradient(rgba(0,0,0,.70), rgba(0,0,0,.78)),
    url("img/arena-bg.png");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.stars::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(#fff 1px, transparent 1px),
    radial-gradient(#ffd700 1.5px, transparent 1.5px);
  background-size: 80px 80px, 130px 130px;
  animation: starMove 10s linear infinite;
  opacity: .8;
}

.hero {
  text-align: center;
}

.title,
.buttons,
.desc,
.copy,
.brand {
  position: relative;
  z-index: 5;
  transform: none;
}

.cube {
  width: 280px;
  height: 280px;
  margin: 0 auto 70px;
  position: relative;
  transform-style: preserve-3d;
  animation:rotateCube 16s linear infinite;
}

.face {
  position: absolute;
  width: 280px;
  height: 280px;
  border: 2px solid #ffd700;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(255,215,0,.7);
}

.face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.front { transform: translateZ(140px); }
.back { transform: rotateY(180deg) translateZ(140px); }
.right { transform: rotateY(90deg) translateZ(140px); }
.left { transform: rotateY(-90deg) translateZ(140px); }
.top { transform: rotateX(90deg) translateZ(140px); }
.bottom { transform: rotateX(-90deg) translateZ(140px); }

h1 {
  font-size: 26px;
  margin-bottom: 18px;
  color: #d7b23a;
  text-shadow: 0 0 12px rgba(255,215,0,.6);
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 35px;
  flex-wrap: wrap;
}

.btn{
    position:relative;
    overflow:hidden;

    display:inline-flex;
    justify-content:center;
    align-items:center;

    min-width:180px;
    padding:18px 30px;

    border-radius:10px;
    border:1px solid #d4af37;

    color:#ffd900;
    text-decoration:none;
    font-size:30px;
    font-weight:900;

    background:rgba(0,0,0,.45);

    transition:.35s;
}

.btn::before{

    content:"";

    position:absolute;

    top:0;
    left:-120%;

    width:70%;
    height:100%;

    background:

    linear-gradient(

        120deg,

        transparent,

        rgba(255,255,255,.8),

        transparent

    );

    transition:.6s;

}

.btn:hover{

    color:#111;

    background:#ffd900;

    transform:translateY(-5px);

    box-shadow:

    0 0 15px rgb(255, 217, 0),

    0 0 35px rgb(255, 217, 0),

    0 0 60px rgb(250, 213, 0);

}

.btn:hover::before{

    left:150%;

}

.desc {
  font-size: 25px;
  color: #fff3a0;
  text-shadow: 0 0 14px rgb(255, 217, 0);
}

.desc b {
  color: #ffe000;
}

.copy {
  margin-top: 5px;
  font-size: 16px;
  color: #cfae32;
}

.brand {
  margin-top: 18px;
  font-size: 42px;
  font-weight: 900;
  color: #ffd700;
  animation: neonBlink 2s infinite alternate;
}

@keyframes rotateCube{

0%{

transform:

rotateX(-18deg)

rotateY(0deg);

}

25%{

transform:

rotateX(-10deg)

rotateY(90deg);

}

50%{

transform:

rotateX(-18deg)

rotateY(180deg);

}

75%{

transform:

rotateX(-10deg)

rotateY(270deg);

}

100%{

transform:

rotateX(-18deg)

rotateY(360deg);

}

}

@keyframes starMove {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 0 300px, 200px 400px;
  }
}

@keyframes neonBlink {
  0% {
    opacity: .35;
    filter: brightness(.7);
    transform: scale(.98);
  }

  50% {
    opacity: 1;
    filter: brightness(1.8);
    transform: scale(1.04);
  }

  100% {
    opacity: .45;
    filter: brightness(.9);
    transform: scale(1);
  }
}

@media (max-width: 600px) {
  .page,
  .img {
    padding: 25px 12px;
    align-items: flex-start;
  }

  .hero {
    max-width: 100%;
    padding-top: 20px;
  }

  .cube {
    width: 230px;
    height: 230px;
    margin: 0 auto 45px;
  }

  .face {
    width: 230px;
    height: 230px;
  }

  .front { transform: translateZ(115px); }
  .back { transform: rotateY(180deg) translateZ(115px); }
  .right { transform: rotateY(90deg) translateZ(115px); }
  .left { transform: rotateY(-90deg) translateZ(115px); }
  .top { transform: rotateX(90deg) translateZ(115px); }
  .bottom { transform: rotateX(-90deg) translateZ(115px); }

  h1 {
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .buttons {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
  }

  .btn {
    width: 100%;
    font-size: 22px;
    padding: 15px 20px;
  }

  .desc {
    font-size: 18px;
    line-height: 1.4;
  }

  .copy {
    font-size: 13px;
    line-height: 1.5;
  }

  .brand {
    font-size: 38px;
  }
}