.case-studies-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 6rem 0;
    margin-bottom: 3rem;
}

.case-studies-hero h1 {
    color: white;
    margin-bottom: 1rem;
    font-size: 3rem;
}

.case-studies-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto;
}

.case-study-card {
    background: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
    transition: transform 0.3s ease;
}

.case-study-card:hover {
    transform: translateY(-5px);
}

.case-study-header {
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1), rgba(var(--secondary-color-rgb), 0.1));
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.case-study-meta {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.case-study-industry {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.case-study-duration {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-study-title {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.case-study-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.case-study-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.case-study-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.case-study-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-study-challenge {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

.case-study-solution {
    background: rgba(40, 167, 69, 0.1);
    border-left: 4px solid #28a745;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

.case-study-results {
    background: rgba(var(--primary-color-rgb), 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

.case-study-metrics {
    display: grid;
    gap: 1rem;
}

.metric-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background: rgba(var(--secondary-color-rgb), 0.1);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.testimonial {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    position: relative;
}

.testimonial::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-color);
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    font-family: serif;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-role {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin: 4rem 0 0;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-white {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
}

.btn-white:hover {
    background: transparent;
    color: white;
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline-white:hover {
    background: white;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .case-studies-hero h1 {
        font-size: 2rem;
    }
    
    .case-study-body {
        grid-template-columns: 1fr;
    }
    
    .case-study-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}