/* Estilos y efectos premium para el Banner Promo Modal */
#promoModal {
    display: flex;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    animation: fadeInOverlay 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

#promoModal .modal-container {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    opacity: 0;
    transform: scale(0.85) translateY(-30px);
    animation: scaleInContent 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s forwards;
}

#promoModal .close-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    color: white;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    background: #dc3545;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 35px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 10000;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

#promoModal .close-btn:hover {
    background-color: #c82333;
    transform: scale(1.1);
}

@keyframes fadeInOverlay {
    from {
        background-color: rgba(0, 0, 0, 0);
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
    }
    to {
        background-color: rgba(0, 0, 0, 0.85);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
    }
}

@keyframes scaleInContent {
    from {
        opacity: 0;
        transform: scale(0.85) translateY(-30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}