.gradient-bg{background:linear-gradient(135deg,#667eea,#764ba2)}.card-hover{transition:transform .3s ease,box-shadow .3s ease}.card-hover:hover{transform:translateY(-5px);box-shadow:0 20px 40px #0000001a}.pulse-button{animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #667eeab3}70%{box-shadow:0 0 0 10px #667eea00}to{box-shadow:0 0 #667eea00}}