.bottom-promo-bar {
    position: fixed;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    z-index: 9999;

    width: calc(100% - 32px);
    max-width: 980px;

    background: #101827;
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 18px;

    box-shadow:
        0 10px 30px rgba(0,0,0,0.35),
        0 2px 10px rgba(0,0,0,0.25);

    overflow: hidden;

    backdrop-filter: blur(10px);
}

.bottom-promo-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;

    padding: 16px 58px 16px 20px;

    color: #ffffff;
    text-decoration: none;
}

.bottom-promo-link:hover {
    text-decoration: none;
}

.bottom-promo-text {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.2px;
}

.bottom-promo-logo-wrap {
    flex: 0 0 auto;

    display: flex;
    align-items: center;
    justify-content: center;
}

.bottom-promo-logo {
    display: block;

    max-height: 44px;
    width: auto;

    border-radius: 12px;

    box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}

/* przycisk zamykania - tylko desktop */
.bottom-promo-close {
    position: absolute;
    top: 10px;
    right: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 30px;
    height: 30px;

    border: 0;
    border-radius: 999px;

    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(4px);

    color: #ffffff;

    font-size: 18px;
    font-weight: 700;
    line-height: 1;

    cursor: pointer;

    transition:
        background 0.2s ease,
        transform 0.2s ease,
        opacity 0.2s ease;
}

.bottom-promo-close:hover {
    background: rgba(255,255,255,0.22);
    transform: scale(1.08);
}

.bottom-promo-close:active {
    transform: scale(0.95);
}

/* MOBILE */
@media (max-width: 768px) {

    .bottom-promo-bar {
        bottom: 10px;

        width: calc(100% - 16px);

        border-radius: 14px;
    }

    .bottom-promo-link {
        gap: 12px;

        padding:
            14px
            14px
            14px
            14px;
    }

    .bottom-promo-text {
        font-size: 14px;
        line-height: 1.35;
    }

    .bottom-promo-logo {
        max-height: 34px;
        border-radius: 10px;
    }

    /* brak przycisku zamykania na mobile */
    .bottom-promo-close {
        display: none;
    }
}