.section-certificazioni {
    background: #ffffff;
    padding: 160px 0;
}

.cert-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 30px;
}

.cert-intro {
    max-width: 800px;
    margin: 0 auto 80px auto;
    font-size: 17px;
    line-height: 1.8;
    color: #555;
}

.cert-item {
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(40px);
    transition: all .8s ease;
}

.cert-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.cert-box {
    padding: 40px;
    border: 1px solid #eee;
    border-radius: 6px;
    transition: all .3s ease;
    background: #fff;
}

.cert-box:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,.08);
    transform: translateY(-6px);
}

.cert-box img {
    max-width: 120px;
    height: auto;
    filter: grayscale(100%);
    transition: all .3s ease;
}

.cert-box:hover img {
    filter: grayscale(0%);
}