body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #1d2b64, #f8cdda);
    font-family: 'Arial', sans-serif;
}

button {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    color: white;
    background: linear-gradient(45deg, #ff6a00, #ee0979);
    border: none;
    border-radius: 50px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    animation: float 3s ease-in-out infinite;
}

button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: all 0.6s ease;
    z-index: -1;
}

button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(60deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity 0.4s ease;
}

button:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

button:hover::after {
    opacity: 1;
}

button:hover {
    transform: translateY(-8px);
    background: linear-gradient(45deg, #ff8e00, #e02d4b);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

button:active {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}
