/* Background Shapes */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    transition: transform 0.5s ease-out;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-acento), transparent);
    animation: float 20s infinite alternate;
}

.shape-2 {
    bottom: 20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #9333ea, transparent);
    animation: float 25s infinite alternate-reverse;
}

.shape-3 {
    top: 40%;
    left: 20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #00aaff, transparent);
    animation: float 22s infinite alternate;
}

.shape-4 {
    bottom: -10%;
    left: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #1a1a2e, #050505);
    opacity: 0.8;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(50px, 50px) rotate(20deg);
    }
}