.certificates-section {
    padding: 72px 0 56px;
    background: #f4f7fb;
    overflow: hidden;
}

.certificates-carousel.owl-carousel .owl-stage-outer {
    overflow: hidden;
}

.certificates-carousel.owl-carousel .owl-item {
    display: flex;
}

.certificate-slide {
    width: 100%;
    padding: 4px 0;
}

.certificate-frame {
    position: relative;
    display: block;
    height: 100%;
    padding: 18px;
    background: #fff;
    border: 1px solid #dce6f0;
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(9, 30, 66, 0.07);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.certificate-frame:hover {
    transform: translateY(-4px);
    border-color: rgba(11, 94, 168, 0.35);
    box-shadow: 0 16px 36px rgba(9, 30, 66, 0.12);
    text-decoration: none;
}

.certificate-frame-media {
    position: relative;
    aspect-ratio: 3 / 4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, #fafbfd 0%, #eef3f8 100%);
    overflow: hidden;
}

.certificate-frame-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.certificate-frame-zoom {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(9, 30, 66, 0.45);
    color: #fff;
    font-size: 1.35rem;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.certificate-frame:hover .certificate-frame-zoom {
    opacity: 1;
}

.certificates-carousel.owl-carousel .owl-dots {
    margin-top: 28px;
}

.certificates-carousel.owl-carousel .owl-dot span {
    width: 10px;
    height: 10px;
    margin: 0 5px;
    background: #c5d4e4;
    transition: background 0.2s ease, transform 0.2s ease;
}

.certificates-carousel.owl-carousel .owl-dot.active span,
.certificates-carousel.owl-carousel .owl-dot:hover span {
    background: #0b5ea8;
    transform: scale(1.15);
}

.certificates-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 576px) {
    .certificates-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 992px) {
    .certificates-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .certificates-section {
        padding: 52px 0;
    }

    .certificate-frame {
        padding: 14px;
    }

    .certificate-frame-media {
        padding: 10px;
    }
}