.expertise-section {
    padding: 80px 20px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--gray);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-header .subtitle {
    font-size: 1.2rem;
    color: var(--black-400);
    max-width: 700px;
    margin: 0 auto;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.expertise-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.expertise-icon {
    margin-bottom: 20px;
    color: var(--green);
}

.expertise-icon svg {
    width: 60px;
    height: 60px;
}

.expertise-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--gray);
    font-weight: 500;
}

.expertise-card p {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .expertise-section {
        padding: 60px 15px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .expertise-card {
        padding: 25px 20px;
    }
}