/* Case Studies Section Styles */
#case-studies {
    padding: 2rem 0;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.case-study {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--primary-blue);
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.case-study-header {
    margin-bottom: 1.5rem;
}

.case-study h3 {
    color: var(--primary-blue);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.case-study-client {
    color: var(--accent-color, #666);
    font-size: 1rem;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.case-study-industry {
    color: var(--text-secondary, #888);
    font-size: 0.9rem;
    font-weight: 500;
}

.case-study-section {
    margin-bottom: 1.5rem;
}

.case-study-section:last-child {
    margin-bottom: 0;
}

.case-study-section h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-study-section p {
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 1rem;
}

.case-study-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.tech-badge {
    background: var(--primary-blue);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary, #f9f9f9);
    border-radius: 8px;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.metric-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    font-weight: 500;
}

.case-study-link {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
}

.case-study-link:hover {
    background: var(--primary-blue-dark, #1e5a8e);
    transform: translateY(-2px);
}

.case-study-link:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .case-study {
        padding: 2rem;
    }

    .case-study h3 {
        font-size: 1.5rem;
    }

    .case-study-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .case-study {
        padding: 1.5rem;
    }

    .case-study h3 {
        font-size: 1.25rem;
    }

    .case-study-metrics {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1rem;
    }

    .metric-value {
        font-size: 1.25rem;
    }
}