/* ========== CASE STUDY PAGE STYLES ========== */

/* Case Study Header */
.case-study-header {
    padding: clamp(4rem, 10vw, 6rem) 2rem;
    margin-top: 80px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    border-bottom: 1px solid var(--color-gray-medium);
}

.case-study-container {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-accent);
    transition: all 0.3s ease;
}

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

.case-study-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.case-study-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-dark);
    margin: 0;
    max-width: 800px;
}

/* Case Study Content Sections */
.case-study-section {
    padding: clamp(3rem, 8vw, 4rem) 2rem;
}

.case-study-section.alt-bg {
    background: var(--color-gray-light);
}

.case-study-section h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

.subsection-title {
    font-size: 1.4rem;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    margin-bottom: 2rem;
    max-width: 800px;
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.overview-item {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-medium);
    transition: all 0.3s ease;
}

.overview-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.overview-item h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.overview-item p {
    font-size: 0.95rem;
    color: var(--color-dark);
    margin: 0;
}

/* Problem List */
.problem-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.problem-item {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border-left: 4px solid var(--color-accent);
    transition: all 0.3s ease;
}

.problem-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.problem-item h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.problem-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* Objective Box */
.objective-box {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
    color: white;
    border-radius: var(--radius);
    text-align: center;
}

.objective-box h3 {
    color: white;
    margin-bottom: 1rem;
}

.objective-box p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin: 0;
}

/* Research Methods */
.research-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.method {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--color-gray-medium);
}

.method:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.method-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 1rem;
}

.method h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.method p {
    font-size: 0.9rem;
    margin: 0;
}

/* Insights List */
.insights-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.insight-card {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-medium);
    transition: all 0.3s ease;
}

.insight-card:hover {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    border-color: var(--color-accent);
}

.insight-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-dark);
}

/* Design Decisions */
.design-decisions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.decision {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-medium);
}

.decision h4 {
    color: var(--color-accent);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.decision p {
    font-size: 0.9rem;
    margin: 0;
}

/* Visual Design Elements */
.visual-design {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.design-element {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--color-gray-medium);
}

.design-element h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.design-element p {
    font-size: 0.9rem;
    margin: 0;
}

/* Screens List */
.screens-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.screen-item {
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    border-left: 4px solid var(--color-gradient-1);
}

.screen-item h4 {
    color: var(--color-dark);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.screen-item p {
    font-size: 0.9rem;
    margin: 0;
}

/* Outcomes Grid */
.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.outcome {
    padding: 2rem;
    background: white;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--color-gray-medium);
    transition: all 0.3s ease;
}

.outcome:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.outcome h3 {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.outcome p {
    font-size: 0.95rem;
    margin: 0;
}

/* Takeaways */
.takeaways {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(245, 247, 250, 0.8);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-accent);
}

.takeaways h3 {
    color: var(--color-dark);
    margin-bottom: 1.5rem;
}

.takeaways ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.takeaways li {
    padding: 0.75rem 0;
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    border-bottom: 1px solid var(--color-gray-medium);
}

.takeaways li:last-child {
    border-bottom: none;
}

.takeaways strong {
    color: var(--color-dark);
}

/* CTA Section */
.case-study-cta {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
    color: white;
    text-align: center;
}

.case-study-cta h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.case-study-cta p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 0.9rem 2rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: white;
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--color-accent);
    left: 0;
}

.btn-secondary:hover::before {
    left: 0;
}

/* Dark Mode */
html.dark-mode .case-study-header {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

html.dark-mode .case-study-section.alt-bg {
    background: var(--color-gray-light);
}

html.dark-mode .overview-item,
html.dark-mode .problem-item,
html.dark-mode .method,
html.dark-mode .insight-card,
html.dark-mode .decision,
html.dark-mode .design-element,
html.dark-mode .screen-item,
html.dark-mode .outcome {
    background-color: #1a1a1a;
    border-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

html.dark-mode .overview-item p,
html.dark-mode .problem-item p,
html.dark-mode .method p,
html.dark-mode .insight-card p,
html.dark-mode .decision p,
html.dark-mode .design-element p,
html.dark-mode .screen-item p,
html.dark-mode .outcome p {
    color: #b0b0b0;
}

html.dark-mode .takeaways {
    background: rgba(26, 26, 26, 0.8);
    border-left-color: var(--color-accent);
}

html.dark-mode .takeaways li {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .case-study-header {
        padding: 3rem 1.5rem;
    }

    .case-study-title {
        font-size: 1.8rem;
    }

    .case-study-section {
        padding: 2rem 1.5rem;
    }

    .overview-grid,
    .problem-list,
    .research-methods,
    .insights-list,
    .design-decisions,
    .visual-design,
    .screens-list,
    .outcomes-grid {
        grid-template-columns: 1fr;
    }

    .subsection-title {
        font-size: 1.2rem;
    }

    .case-study-cta h2 {
        font-size: 1.5rem;
    }
}

/* Case Study Images */
.case-study-image {
    margin: 3rem 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease-out;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #f0f0f0 0%, #e5e5e5 100%);
}

.case-study-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    padding: 1rem;
    background: white;
}

.case-study-image:hover img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .case-study-image {
        margin: 2rem 0;
        aspect-ratio: 4 / 3;
    }
    
    .case-study-image img {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .case-study-image {
        margin: 1.5rem 0;
        aspect-ratio: 16 / 12;
    }
    
    .case-study-image img {
        padding: 0.5rem;
    }
}

/* ========== METRICS GRID FOR CASE STUDIES ========== */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.metric {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(74, 144, 226, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(74, 144, 226, 0.2);
    transition: all 0.3s ease;
}

.metric:hover {
    transform: translateY(-5px);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.1) 100%);
    border-color: #4a90e2;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.2);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4a90e2;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.metric-description {
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    line-height: 1.5;
}

html.dark-mode .metric {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.08) 100%);
    border-color: rgba(74, 144, 226, 0.3);
}

html.dark-mode .metric:hover {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2) 0%, rgba(74, 144, 226, 0.15) 100%);
}

html.dark-mode .metric-label {
    color: #ffffff;
}

/* ========== RELATED PROJECTS IN CASE STUDIES ========== */

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

.related-card {
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.related-card a {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 2rem;
    background: rgba(74, 144, 226, 0.08);
    border: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.related-card:hover a {
    background: rgba(74, 144, 226, 0.15);
    border-color: #4a90e2;
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.2);
}

.related-card h3 {
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.related-card p {
    color: #4a90e2;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.arrow {
    color: #4a90e2;
    font-weight: bold;
    font-size: 1.2rem;
}

.back-to-work {
    text-align: center;
    margin-top: 2rem;
}

.back-link {
    color: #4a90e2;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

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

html.dark-mode .related-card a {
    background: rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.3);
}

html.dark-mode .related-card:hover a {
    background: rgba(74, 144, 226, 0.2);
    border-color: #4a90e2;
}

html.dark-mode .related-card h3 {
    color: #ffffff;
}

/* ========== RESPONSIVE FOR CASE STUDIES ========== */

@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .related-projects {
        grid-template-columns: 1fr;
    }
}