.certificates{
    padding: 80px 0;
    background: #f8f9fb;
}

.cert-grid{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.cert-card{
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.cert-card h3{
    font-size: 20px;
    margin-bottom: 10px;
}

/* responsive */
@media(max-width: 992px){
    .cert-grid{ grid-template-columns: repeat(2,1fr); }
}
@media(max-width: 576px){
    .cert-grid{ grid-template-columns: 1fr; }
}

.cert-card .cert-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #e8e8e8;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
}

.cert-card .cert-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.cert-card .cert-code {
    display: inline-block;
    background: #118a5a;
    color: #fff;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin: 5px 0 10px;
}