/* POPUP POSTER AL-BIRUNI */

.poster-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(4, 15, 45, 0.78);
    backdrop-filter: blur(6px);
}

.poster-overlay.is-visible {
    display: flex;
}

.poster-box {
    position: relative;
    width: fit-content;
    max-width: min(100%, 650px);
    max-height: 90vh;
}

.poster-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.poster-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #071a55;
    font-size: 25px;
    cursor: pointer;
    z-index: 2;
}

.poster-link {
    display: block;
}

@media (max-width: 600px) {
    .poster-box {
        max-width: 95%;
    }

    .poster-image {
        max-height: 80vh;
    }
}