/* Quality Section Grid */
.quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.quality-card {
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    /* Ensure equal height */
}

.quality-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.quality-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.quality-card:hover .quality-icon {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

/* Invert icon color on hover for better contrast against primary color */
.quality-card:hover .quality-icon img {
    filter: brightness(0) invert(1);
}

.quality-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: filter 0.3s ease;
}

.quality-title {
    font-size: var(--font-size-h5);
    /* Approx 20px */
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-weight: 700;
}

.quality-desc {
    font-size: var(--font-size-base);
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Tablet Layout */
@media (max-width: 1024px) {
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Layout */
@media (max-width: 768px) {
    .quality-grid {
        grid-template-columns: 1fr;
    }

    .quality-card {
        padding: var(--spacing-md);
    }
}