@keyframes gradient-flow{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.btn-start-animate{background:linear-gradient(270deg,#3b82f6,#9333ea,#ec4899,#3b82f6);background-size:300% 300%;animation:gradient-flow 4s ease infinite}@keyframes subtle-pulse{0%,to{box-shadow:0 10px 25px -5px #a855f766}50%{box-shadow:0 15px 35px -5px #a855f799}}.btn-start-animate{animation:gradient-flow 4s ease infinite,subtle-pulse 2s ease-in-out infinite}