.app-promo-banner {
    position: fixed;
    right: 16px;
    bottom: 16px;
    left: 16px;
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transform: translateY(24px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.app-promo-banner.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.app-promo-banner__content {
    position: relative;
    max-width: 420px;
    margin: 0 auto;
    padding: 20px 20px 18px;
    border-radius: 20px;
    background: linear-gradient(135deg, #0f172a, #1d4ed8);
    color: #ffffff;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.28);
}

.app-promo-banner__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.app-promo-banner__eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
}

.app-promo-banner__title {
    margin: 0 0 8px;
    font-size: 22px;
    line-height: 1.2;
    color: #ffffff;
}

.app-promo-banner__text {
    margin: 0 0 16px;
    font-size: 14px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.88);
}

.app-promo-banner__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    background: #ffffff;
    color: #0f172a;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.app-promo-banner__cta:hover,
.app-promo-banner__cta:focus {
    color: #0f172a;
    text-decoration: none;
}

@media (min-width: 992px) {
    .app-promo-banner {
        display: none;
    }
}