/* ===== CASE STUDIES SECTION ===== */
.case-studies {
    padding: var(--section-padding);
    background: var(--secondary-bg);
    position: relative;
    overflow: hidden;
}

.case-studies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.01) 0%, transparent 70%);
    pointer-events: none;
}

.case-studies-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.case-studies-header {
    text-align: center;
    margin-bottom: 60px;
}

.case-studies-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.case-studies-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Case Studies Grid */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

/* Third card spans full width with horizontal layout */
.case-study-card:nth-child(3) {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.case-study-card:nth-child(3) .case-image {
    flex: 0 0 400px;
    height: auto;
}

.case-study-card:nth-child(3) .case-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-study-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-medium);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.case-study-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-accent);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* Case Image */
.case-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.case-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.case-study-card:hover .case-photo {
    transform: scale(1.05);
}

/* Case Content */
.case-content {
    padding: 32px;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.case-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

/* Solutions */
.case-solutions {
    margin-bottom: 32px;
}

.solutions-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--primary-accent);
    font-size: 0.9rem;
    font-weight: 600;
}

.solutions-header i {
    font-size: 0.8rem;
}

.solutions-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.solutions-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

.solutions-list li i {
    color: var(--success-accent);
    font-size: 0.8rem;
    width: 16px;
    flex-shrink: 0;
}

/* Case Actions */
.case-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.results-btn,
.case-actions .demo-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    width: 100%;
}

.results-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.results-btn:hover {
    background: var(--primary-accent);
    color: white;
    border-color: var(--primary-accent);
}

.case-actions .demo-btn {
    background: var(--gradient-primary);
    color: white;
}

.case-actions .demo-btn:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

/* Results Sections */
.results-sections {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.results-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.results-header {
    position: relative;
}

.results-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.results-toggle:hover {
    background: rgba(0, 212, 255, 0.05);
}

.toggle-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.results-toggle h4 {
    flex: 1;
    text-align: left;
    margin: 0;
    font-size: 1.1rem;
}

.toggle-arrow {
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
    font-size: 0.9rem;
}

.results-section.active .toggle-arrow {
    transform: rotate(180deg);
}

/* Results Content */
.results-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium) ease-out;
}

.results-section.active .results-content {
    max-height: 500px;
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    padding: 0 24px 24px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.stat-value {
    color: var(--primary-accent);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.3;
}

/* Testimonial */
.results-testimonial {
    padding: 24px;
}

.results-testimonial p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 16px;
}

.testimonial-author {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    /* Reset full width and horizontal layout on mobile */
    .case-study-card:nth-child(3) {
        grid-column: 1;
        flex-direction: column;
    }
    
    .case-study-card:nth-child(3) .case-image {
        flex: none;
        height: 200px;
    }
    
    .case-study-card:nth-child(3) .case-content {
        flex: none;
    }
}

@media (max-width: 900px) {
    /* Reset horizontal layout on medium screens */
    .case-study-card:nth-child(3) {
        flex-direction: column;
    }
    
    .case-study-card:nth-child(3) .case-image {
        flex: none;
        height: 240px;
    }
    
    .case-study-card:nth-child(3) .case-content {
        flex: none;
    }
}

@media (max-width: 768px) {
    .case-studies {
        padding: 80px 0;
    }
    
    .case-studies-header {
        margin-bottom: 40px;
    }
    
    .case-studies-grid {
        gap: 24px;
        margin-bottom: 40px;
    }
    
    .case-content {
        padding: 24px;
    }
    
    .case-image {
        height: 200px;
    }
    
    .results-toggle {
        padding: 16px 20px;
        gap: 12px;
    }
    
    .toggle-icon {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
    
    .results-toggle h4 {
        font-size: 1rem;
    }
    
    .results-stats {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 20px 20px 20px;
    }
    
    .results-testimonial {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .case-studies-title {
        font-size: 1.75rem;
    }
    
    .case-studies-subtitle {
        font-size: 1rem;
    }
    
    .case-content {
        padding: 20px;
    }
    
    .case-title {
        font-size: 1.3rem;
    }
    
    .case-actions {
        gap: 10px;
    }
    
    .results-btn,
    .case-actions .demo-btn {
        padding: 12px 16px;
        font-size: 0.85rem;
    }
    
    .stat-value {
        font-size: 1.7rem;
    }
}

/* Animation Enhancements */
.case-study-card.visible {
    animation: slideInUp 0.6s ease-out forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .case-study-card.visible {
        animation: none;
    }
    
    .results-content {
        transition: none;
    }
    
    .toggle-arrow {
        transition: none;
    }
    
    .case-photo {
        transition: none;
    }
    
    .case-study-card:hover .case-photo {
        transform: none;
    }
}