/* Fullscreen video */
#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: -2;
}

/* Particles background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Overlay content */
.overlay {
    position: relative;
    text-align: center;
    color: cyan;
    font-family: Arial, sans-serif;
    top: 50%;
    transform: translateY(-50%);
}

h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    color: cyan;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    text-decoration: none;
    transition: 0.3s;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.6);
}