body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #ff6b6b, #ffcc5c, #88d8b0, #6bc5ff, #c18aff);
    background-size: 400% 400%;
    animation: gradientFlow 12s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
    text-align: center;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.card {
    background: rgba(255,255,255,0.15);
    padding: 40px 60px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

h1 {
    font-size: 4rem;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
    margin: 0;
}

p {
    font-size: 1.5rem;
    opacity: 0.9;
}
``