/* Expertise Section Styles */
.expertise-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.expertise-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.expertise-card:hover::before {
    width: 8px;
}

.expertise-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.expertise-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.expertise-description {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.expertise-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.expertise-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.expertise-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.expertise-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.expertise-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.expertise-header p {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.6;
}

@media screen and (max-width: 768px) {
    .expertise-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .expertise-card {
        padding: 1.5rem;
    }
    
    .expertise-header h2 {
        font-size: 2rem;
    }
}