body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: white;
    background: #000;
    overflow: hidden;
}
.bg-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, #021b34, #000);
    animation: pulse 6s infinite alternate;
}
@keyframes pulse {
    0% { filter: brightness(0.7); }
    100% { filter: brightness(1.3); }
}
.container {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: 15%;
}
.robot {
    width: 80px;
    height: 80px;
    margin: auto;
    background: url('robot.png');
    background-size: cover;
}
.btn {
    display: block;
    width: 250px;
    padding: 12px;
    margin: 12px auto;
    background: #0af;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 18px;
}
.btn.secondary {
    background: #06c;
}
.footer-links {
    margin-top: 30px;
    font-size: 14px;
}