@keyframes gradient-shift{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}@keyframes glow-pulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes sparkle{0%,to{opacity:0;transform:scale(0)}50%{opacity:1;transform:scale(1)}}@keyframes border-glow{0%,to{box-shadow:0 0 20px rgba(22,190,238,.3)}50%{box-shadow:0 0 40px rgba(22,190,238,.6),0 0 60px rgba(195,63,143,.3)}}.promo-card{background:linear-gradient(-45deg,#16beee,#c33f8f,#16beee,#c33f8f);background-size:400% 400%;animation:gradient-shift 8s ease infinite;position:relative;overflow:hidden}.promo-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent,rgba(22,190,238,.1),transparent);animation:glow-pulse 3s ease-in-out infinite}.promo-card-glow{animation:border-glow 4s ease-in-out infinite}.floating-element{animation:float 3s ease-in-out infinite}.sparkle-element{animation:sparkle 2s ease-in-out infinite}@media (max-width:768px){.promo-card{background-size:300% 300%}}