* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #ff00ff, #800080, #0000ff);
    overflow: hidden;
    color: white;
    font-family: Arial, sans-serif;
}

/* Grade animada */
.grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveGrid 4s linear infinite;
}


@keyframes moveGrid {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 50px 50px;
    }
}


.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 0, 255, 0.2), transparent);
    mix-blend-mode: screen;
    pointer-events: none;
}


h1 {
    font-size: 3rem;
    text-transform: uppercase;
    text-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff, 0 0 40px #800080;
    z-index: 10;
}
/* Sol */
.sun {
    position: absolute;
    left: 10%;
    top: 40%;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: yellow;
    animation: pulse 2s infinite alternate;
}

/* Animação */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 30px #ffcc00, 0 0 60px #ff6600, 0 0 100px #ff3300;
    }
    100% {
        transform: scale(1.1);
        box-shadow: 0 0 50px #ffcc00, 0 0 80px #ff6600, 0 0 120px #ff3300;
    }
}