body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 25s ease infinite;
    transition: background 10s ease-in-out;
}

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

.logo-container {
    text-align: center;
    position: relative;
    z-index: 10;
}

#centerpiece-logo {
    max-width: 80vw;
    max-height: 80vh;
    display: block;
    margin: auto;
    filter: drop-shadow(0 0 15px rgba(0, 0, 0, 0.3));
}