/* Background animation styles */

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

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: float 20s infinite linear;
    opacity: 0.6;
}

.particle:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
    animation-duration: 15s;
}

.particle:nth-child(2) {
    left: 40%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 60%;
    animation-delay: 4s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    left: 80%;
    animation-delay: 6s;
    animation-duration: 16s;
}

.particle:nth-child(5) {
    left: 90%;
    animation-delay: 8s;
    animation-duration: 20s;
}