.promo-section {
    padding: 20px 0;
    background-color: #eaf0f5;
}

.promo-container {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 15px;
    align-items: stretch;
}

/* ——— Общие стили карточек ——— */
.promo-main,
.promo-side__item {
    position: relative;
    display: block;
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.promo-main:hover,
.promo-side__item:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.promo-main__img,
.promo-side__item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.promo-main__text,
.promo-side__text {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}

/* ——— Левый большой блок ——— */
.promo-main {
    min-height: 420px;
}

.promo-main__text h2 {
    margin: 0;
    font-size: 22px;
    line-height: 1.3;
    font-weight: 700;
    color: #0066cc;
}

.promo-main__text h2 strong {
    font-weight: 700;
}

.promo-main__text p {
    margin: 6px 0 0;
    font-size: 15px;
    line-height: 1.4;
    color: #333;
}

/* ——— Правая колонка ——— */
.promo-side {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 100%;
}

.promo-side__item {
    flex: 1;
    min-height: 0;
}

.promo-side__text h3 {
    margin: 0;
    font-size: 18px;
    line-height: 1.3;
    font-weight: 700;
    color: #0066cc;
}

.promo-side__text h3 strong {
    font-weight: 700;
}

.promo-side__text p {
    margin: 5px 0 0;
    font-size: 14px;
    line-height: 1.4;
    color: #333;
}

/* ——— Адаптив ——— */
@media (max-width: 992px) {
    .promo-container {
        grid-template-columns: 1fr;
    }

    .promo-main {
        min-height: 300px;
    }

    .promo-side {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .promo-side__item {
        flex: 1 1 calc(50% - 8px);
        min-height: 220px;
    }
}

@media (max-width: 600px) {
    .promo-side {
        flex-direction: column;
    }

    .promo-side__item {
        flex: 1 1 100%;
        min-height: 200px;
    }

    .promo-main {
        min-height: 260px;
    }

    .promo-main__text h2 {
        font-size: 18px;
    }

    .promo-main__text p {
        font-size: 14px;
    }
}