*{margin:0;padding:0;box-sizing:border-box}nav{height:75px;margin-bottom:40px;background:linear-gradient(90deg,#8b0000,#b22222,#8b0000);border-bottom:3px solid #d4af37;display:flex;align-items:center;justify-content:center;box-shadow:0 0 15px #d4af3799}h1{color:gold;text-shadow:2px 2px 6px #000;font-size:2rem;text-align:center;position:relative;top:15px;font-weight:700}body{font-family:Arial,sans-serif;background:radial-gradient(circle at center,#600,#2d0000);background-size:cover;background-position:center;background-repeat:no-repeat;width:100%;min-height:100vh;color:#fff}.hud{display:flex;justify-content:space-between;align-items:center;width:350px;margin:auto auto 30px;padding:15px 20px;border-radius:15px;background:linear-gradient(145deg,#7a0000,#b22222);border:2px solid #d4af37;box-shadow:0 0 15px #d4af37b3}.score,.rewards{font-size:18px;color:#fff;font-weight:700;text-shadow:1px 1px 3px black}.container{display:flex;justify-content:center;align-items:center;margin:25px auto;gap:20px}.caja{width:150px;height:150px;background:#111;border-radius:12px;border:3px solid #d4af37;box-shadow:0 0 20px #d4af3799;overflow:hidden;display:flex;align-items:center;justify-content:center}.caja img{width:100%;height:100%;object-fit:cover}.button{display:flex;align-items:center;justify-content:center;margin:15px auto;width:160px;height:55px;background:linear-gradient(180deg,#b22222,#7a0000);color:gold;font-size:20px;font-weight:700;border:2px solid #d4af37;border-radius:12px;cursor:pointer;box-shadow:0 0 15px #d4af37b3;transition:transform .2s,box-shadow .2s}.button:hover{transform:scale(1.1);box-shadow:0 0 25px #d4af37}#stop{display:none;gap:8px}#description{max-width:500px;background:#ffffffe6;padding:20px;border-radius:12px;margin:20px auto;font-size:14px;line-height:1.6;text-align:center;color:#111;border:2px solid #d4af37;box-shadow:0 0 15px #d4af3799}footer{height:75px;margin-top:50px;background:linear-gradient(90deg,#8b0000,#b22222,#8b0000);color:gold;text-align:center;padding:20px;border-top:3px solid #d4af37;box-shadow:0 -5px 15px #d4af3799}.box-img{width:100%;height:100%}.transition-one,.transition-two,.transition-three{background-size:cover;background-position:center;opacity:1!important}.transition-one{animation:slide .8s infinite}.transition-two{animation:slide .85s infinite}.transition-three{animation:slide .89s infinite}@keyframes slide{0%{transform:translateY(0)}45%{transform:translateY(0)}50%{transform:translateY(-100%)}95%{transform:translateY(-100%)}to{transform:translateY(0)}}.button:active{animation:pulse .3s ease-in-out}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.winning-boxes{animation:shadow-pulse 1.5s ease-in-out 2}@keyframes shadow-pulse{0%{box-shadow:0 0 15px 5px gold}50%{box-shadow:0 0 25px 10px #b22222}to{box-shadow:0 0 15px 5px gold}}