.rcb-certifications-grid {
    display: grid;
    gap: 20px;
    margin: 20px 0;
}

.rcb-columns-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.rcb-columns-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.rcb-columns-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 768px) {
    .rcb-certifications-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr)) !important;
    }
}

.rcb-certification-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.rcb-certification-image img {
    width: 100%;
    height: auto;
    display: block;
}

.rcb-certification-placeholder {
    width: 100%;
    padding: 40px 10px;
    text-align: center;
    font-size: 14px;
    color: #888;
    background: #f3f3f3;
}

.rcb-certification-body {
    padding: 15px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.rcb-certification-title {
    font-size: 18px;
    margin: 0 0 10px;
}

.rcb-certification-content {
    font-size: 14px;
    color: #555;
    flex: 1;
}

.rcb-certification-footer {
    margin-top: 15px;
    text-align: left;
}

.rcb-certification-btn {
    display: inline-block;
    padding: 8px 14px;
    font-size: 14px;
    border-radius: 4px;
    text-decoration: none;
    background: #0073aa;
    color: #fff;
    transition: background 0.2s ease;
}

.rcb-certification-btn:hover {
    background: #005b86;
}