body.no-scroll { overflow: hidden; }

.popup {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: rgba(30, 34, 40, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    overflow-y: auto;
    z-index: 9999;

    /* fade behavior */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 300ms ease, visibility 300ms ease;
}

.popup__content {
    width: 100%;
    max-width: 1100px;
    padding: 24px;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    align-items: center;
}

.popup--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: flex;
    align-items: center;
}

.popup__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 9999px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 22px;
    line-height: 44px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 600px) {
    .popup__content {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .popup__close {
        top: 8px; right: 8px;
        width: 48px; height: 48px; font-size: 24px;
    }
}