.sponsors-section {
    margin-top: 18px;
    padding: 25px 28px;
    background: #fff;
    border: 1px solid #dce4ea;
    border-radius: 12px;
    box-shadow: 0 4px 18px rgba(29, 58, 82, .07);
}

.sponsors-section h2 {
    margin: 0 0 17px;
    text-align: center;
    color: #0f4169;
    font-size: 19px;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.sponsor-card {
    display: grid;
    place-items: center;
    height: 120px;
    padding: 16px;
    border: 1px solid #e2e8ed;
    border-radius: 9px;
    background: #fff;
    text-decoration: none;
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

a.sponsor-card:hover {
    border-color: #afc3d1;
    box-shadow: 0 4px 13px rgba(29, 58, 82, .09);
    transform: translateY(-1px);
}

.sponsor-card img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@media (max-width: 700px) {
    .sponsors-section {
        padding: 22px 18px;
    }

    .sponsors-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sponsor-card {
        height: 105px;
        padding: 13px;
    }
}