body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, #4A90E2, #50E3C2);
    overflow: hidden;
    color: #fff;
}

.container {
    text-align: center;
    animation: fadeIn 2s ease-in-out;
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

p {
    font-size: 1.2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.background-animation span {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    animation: float 10s infinite;
    animation-timing-function: ease-in-out;
}

@keyframes float {
    0% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-50px) scale(1.2);
    }
    100% {
        transform: translateY(0) scale(1);
    }
}

.background-animation span:nth-child(1) {
    top: 20%;
    left: 30%;
    animation-duration: 6s;
}

.background-animation span:nth-child(2) {
    top: 50%;
    left: 70%;
    animation-duration: 8s;
}

.background-animation span:nth-child(3) {
    top: 80%;
    left: 40%;
    animation-duration: 12s;
}

.background-animation span:nth-child(4) {
    top: 30%;
    left: 60%;
    animation-duration: 10s;
}