/* styles/background.css */
.parallax-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -10;
    will-change: transform;
}

.space-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        #000011 0%,
        #000033 20%,
        #001155 40%,
        #4169e1 70%,
        #87ceeb 100%
    );
    background-attachment: fixed;
    background-size: 100% 100%;
}

.celestial-objects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -9;
}

.moon {
    position: fixed;
    top: 10%;
    right: 15%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff, #e8e8e8);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    z-index: -9;
}

.stars {
    position: fixed;
    width: 100%;
    height: 100vh;
    z-index: -9;
}

.star {
    position: fixed;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

.star-1 { top: 15%; left: 20%; animation-delay: 0s; }
.star-2 { top: 8%; left: 60%; animation-delay: 1s; }
.star-3 { top: 25%; left: 80%; animation-delay: 2s; }
.star-4 { top: 12%; left: 40%; animation-delay: 1.5s; }
.star-5 { top: 30%; left: 10%; animation-delay: 0.5s; }

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
    }