/* Fundo para escurecer a tela */
#popup-banner-overlay {
    position: fixed;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
}

/* Container do banner */
#popup-banner {
    position: fixed;
    top: -500px; /* Começa fora da tela para cima */
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0px 10px 40px rgba(0,0,0,0.4);
}

/* Botão fechar */
#popup-close {
    position: absolute;
    right: 5px;
    top: 5px;
    background: #000;
    color: #fff;
    border: none;
    width: 25px;
    height: 25px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 50%;
}

/* Efeito de queda + quicar */
.bounce-in {
    animation: dropBounce 1s ease-out forwards;
}

@keyframes dropBounce {
    0% {
        top: -500px;
    }
    60% {
        top: 120px;
    }
    75% {
        top: 90px;
    }
    88% {
        top: 120px;
    }
    100% {
        top: 100px;
    }
}

/* Imagem responsiva */
#popup-banner img {
    display: block;
    max-width: 100%;
    height: auto;
}