.about-section {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.core-principles li,
.surface-features li {
    margin-bottom: 0.5rem;
}

.certification-images img {
    transition: transform 0.3s ease;
    cursor: pointer;
}

    .certification-images img:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 15px rgba(0,0,0,0.2);
    }

@media (max-width: 768px) {
    .about-text-image,
    .about-text-image.reverse {
        flex-direction: column !important;
    }
}