/* ===================================
   CASE STUDY SPECIFIC STYLES
   =================================== */

/* Case Study Hero */
.case-study-hero {
    padding: calc(80px + 4rem) 0 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-5px);
}

.project-tag-large {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary-light);
    color: white;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.case-study-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.case-study-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
}

/* Case Study Metrics */
.case-study-metrics {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 2rem 0;
    border-top: 2px solid var(--border-color);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
    line-height: 1;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Featured Media */
.case-study-featured {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.featured-media {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.featured-media img {
    width: 100%;
    height: auto;
    display: block;
}

.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--bg-dark);
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Case Study Content Layout */
.case-study-content {
    padding: 4rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 4rem;
}

.main-content {
    max-width: 800px;
}

/* Content Blocks */
.content-block {
    margin-bottom: 4rem;
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.content-block h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-block p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.content-block ul,
.content-block ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-block li {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.content-block strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Content Images */
.content-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.content-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Insight Cards */
.insight-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1.5rem;
}

.insight-card h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.insight-card p {
    margin-bottom: 0;
}

/* Results Section */
.results-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: 3rem;
    border-radius: var(--border-radius);
    margin: 3rem 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.result-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.result-card h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}

.result-card ul {
    margin-left: 1.5rem;
}

.result-card li {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* Audience Quote */
.audience-quote {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    margin: 2rem 0;
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-secondary);
}

.audience-quote cite {
    display: block;
    margin-top: 1rem;
    font-style: normal;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Partnership Section */
.partnership-section {
    background: linear-gradient(135deg, #fff5f7 0%, #fff 100%);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 2px solid #fecdd3;
}

.partnership-section h2 {
    color: var(--secondary-color);
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.sidebar-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.sidebar-card.cta-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.sidebar-card.cta-card h3 {
    color: white;
}

.sidebar-card.cta-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* Details List */
.details-list {
    display: grid;
    gap: 1rem;
}

.details-list dt {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.details-list dd {
    color: var(--text-secondary);
    margin-left: 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.details-list dd:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.details-list dd ul {
    list-style: none;
    margin: 0.5rem 0 0 0;
    padding: 0;
}

.details-list dd li {
    padding: 0.25rem 0;
    font-size: 0.95rem;
}

/* Related Projects */
.related-projects {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-projects li {
    margin-bottom: 1rem;
}

.related-projects a {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 8px;
}

.related-projects a:hover {
    background: rgba(99, 102, 241, 0.05);
}

.related-projects img {
    width: 80px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
}

.related-projects span {
    flex: 1;
    font-weight: 500;
}

/* Project Navigation */
.project-navigation {
    background: var(--bg-secondary);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.nav-projects {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.nav-project {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: white;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-project:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.nav-project.prev {
    align-items: flex-start;
}

.nav-project.next {
    align-items: flex-end;
    text-align: right;
}

.nav-project.home {
    text-align: center;
    align-items: center;
    background: var(--primary-color);
    color: white;
    border: none;
}

.nav-project.home:hover {
    background: var(--primary-dark);
}

.nav-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.nav-project.home .nav-label {
    color: white;
    margin-bottom: 0;
}

.nav-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .sidebar-card {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .case-study-hero {
        padding: calc(80px + 2rem) 0 2rem;
    }
    
    .case-study-title {
        font-size: 2rem;
    }
    
    .case-study-subtitle {
        font-size: 1.125rem;
    }
    
    .case-study-metrics {
        gap: 2rem;
    }
    
    .metric-number {
        font-size: 2rem;
    }
    
    .results-section {
        padding: 2rem 1rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-projects {
        grid-template-columns: 1fr;
    }
    
    .nav-project {
        align-items: center !important;
        text-align: center !important;
    }
    
    .content-block p,
    .content-block li {
        font-size: 1rem;
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .case-study-metrics {
        gap: 1.5rem;
    }
    
    .content-images {
        grid-template-columns: 1fr;
    }
    
    .audience-quote {
        padding: 1.5rem;
        font-size: 1.125rem;
    }
    
    .partnership-section {
        padding: 2rem 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .back-link,
    .sidebar,
    .project-navigation,
    .footer {
        display: none;
    }
    
    .case-study-hero {
        padding-top: 0;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    body {
        background: white;
    }
}