/* Pozadí popupu */
.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

/* Okno popupu */
.popup-box {
    background: #fff;
    max-width: 1100px;
    width: 100%;
    border-radius: 12px;
    padding: 20px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

/* Zavírací tlačítko */
.popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    border: none;
    background: none;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
}

/* Bannery */
.banner-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.banner-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    transition: transform 0.2s ease;
}

.banner-item img:hover {
    transform: scale(1.02);
}

/* Mobilní zobrazení */
@media (max-width: 768px) {
    .banner-container {
        grid-template-columns: 1fr;
    }

    .popup-box {
        padding: 15px;
    }
}