/* Case Study Styles */

.case-study {
    padding-top: 80px;
}

/* Hero Section */
.case-study-hero {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: end;
    padding: 0 48px 0;
    position: relative;
}


.case-study-hero-content {
    padding-bottom: 60px;
}

.back-link {
    display: inline-block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 32px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text-color);
}

.case-study-title {
    font-family: 'Inria Serif', Georgia, serif;
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--text-color);
}

.case-study-subtitle {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 16px;
}

.case-study-intro {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.case-study-hero-image {
    display: flex;
    align-items: flex-end;
    background: linear-gradient(
        135deg,
        rgba(235, 232, 224, 0.1) 0%,
        rgba(235, 232, 224, 0.05) 50%,
        rgba(235, 232, 224, 0.1) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(235, 232, 224, 0.15);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 60px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.light-mode .case-study-hero-image {
    background: linear-gradient(
        135deg,
        rgba(19, 33, 26, 0.08) 0%,
        rgba(19, 33, 26, 0.03) 50%,
        rgba(19, 33, 26, 0.08) 100%
    );
    border-color: rgba(19, 33, 26, 0.15);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.case-study-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Overview Section */
.case-study-overview {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    padding: 80px 48px;
    position: relative;
}

.case-study-overview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 48px;
    right: 48px;
    height: 1px;
    background-color: #EBE8E0;
}

.light-mode .case-study-overview::after {
    background-color: #13211A;
}

.overview-content h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--text-secondary);
}

.overview-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 16px;
}

.overview-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.meta-column {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.meta-column:nth-child(2) .meta-item:last-child,
.meta-column:nth-child(3) .meta-item:last-child {
    margin-top: auto;
}

.meta-item h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--text-secondary);
}

.meta-item ul {
    list-style: none;
}

.meta-item li {
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text-color);
}

.meta-item p {
    font-size: 14px;
    color: var(--text-color);
}

/* Content Sections */
.case-study-section {
    padding: 80px 48px;
    position: relative;
}

.case-study-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 48px;
    right: 48px;
    height: 1px;
    background-color: #EBE8E0;
}

.light-mode .case-study-section::after {
    background-color: #13211A;
}

.case-study-section h2 {
    font-family: 'Inria Serif', Georgia, serif;
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 24px;
    color: var(--text-color);
}

.case-study-section p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    max-width: 800px;
    margin-bottom: 24px;
}

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

.case-study-section ul {
    list-style: disc;
    padding-left: 20px;
}

.case-study-section li {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 12px;
}

/* Subsection titles */
.subsection-title {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-top: 40px;
    margin-bottom: 16px;
}

/* Challenge layout */
.challenge-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    margin-top: 32px;
}

.challenge-image {
    height: 100%;
}

.challenge-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.challenge-content {
    display: flex;
    flex-direction: column;
}

/* Challenge points */
.challenge-points {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 0 0 24px 0;
}

.challenge-point h3 {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.challenge-point p {
    margin-bottom: 0;
}

/* Persona subtitle */
.persona-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-style: italic;
}

.case-study-section p.personas-insight {
    margin-top: 40px;
    font-style: italic;
    color: #EBE8E0;
    max-width: 100%;
    width: 100%;
}

.light-mode .case-study-section p.personas-insight {
    color: #13211A;
}

/* Full width text */
.case-study-section p.full-width {
    max-width: 100%;
    width: 100%;
}

/* Principles grid */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.principle {
    background-color: rgba(235, 232, 224, 0.05);
    border: 1px solid rgba(235, 232, 224, 0.2);
    border-radius: 8px;
    padding: 24px;
}

.light-mode .principle {
    background-color: rgba(19, 33, 26, 0.05);
    border-color: rgba(19, 33, 26, 0.2);
}

.principle-icon {
    color: var(--text-color);
    margin-bottom: 16px;
}

.principle h3 {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
}

.principle p {
    font-size: 14px;
    margin-bottom: 0;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.column h2 {
    margin-bottom: 20px;
}

/* Quote Section */
.case-study-quote {
    padding: 120px 48px;
    position: relative;
}

.case-study-quote::before,
.case-study-quote::after {
    content: '';
    position: absolute;
    left: 48px;
    right: 48px;
    height: 1px;
    background-color: #EBE8E0;
}

.light-mode .case-study-quote::before,
.light-mode .case-study-quote::after {
    background-color: #13211A;
}

.case-study-quote::before {
    top: 0;
}

.case-study-quote::after {
    bottom: 0;
}

.case-study-quote blockquote {
    font-family: 'Inria Serif', Georgia, serif;
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 400;
    line-height: 1.4;
    color: var(--text-color);
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

/* Personas */
.personas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 40px;
}

.persona-card {
    background-color: rgba(235, 232, 224, 0.05);
    border: 1px solid rgba(235, 232, 224, 0.2);
    border-radius: 8px;
    padding: 32px;
}

.light-mode .persona-card {
    background-color: rgba(19, 33, 26, 0.05);
    border-color: rgba(19, 33, 26, 0.2);
}

.persona-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.persona-card h3 {
    font-family: 'Inria Serif', Georgia, serif;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--text-color);
}

.persona-details {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(235, 232, 224, 0.2);
}

.light-mode .persona-details {
    border-bottom-color: rgba(19, 33, 26, 0.2);
}

.persona-details p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 8px;
}

.persona-section {
    margin-bottom: 20px;
}

.persona-section h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.persona-section p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
}

.persona-section ul {
    list-style: disc;
    padding-left: 16px;
}

.persona-section li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 6px;
}

/* Sitemap Image */
.sitemap-image {
    margin-top: 40px;
}

.sitemap-image img {
    width: 100%;
    height: auto;
    filter: invert(1) brightness(0.9);
}

.light-mode .sitemap-image img {
    filter: none;
}

/* Mockup Images */
.mockup-image {
    margin-top: 40px;
}

.mockup-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.mockup-image.no-radius img {
    border-radius: 0;
}

/* Wireframe dark/light mode switching */
.wireframe-dark {
    display: block;
}

.wireframe-light {
    display: none;
}

.light-mode .wireframe-dark {
    display: none;
}

.light-mode .wireframe-light {
    display: block;
}

/* Thin divider for subsections */
.subsection-divider {
    border-bottom: 0.5px solid rgba(235, 232, 224, 0.5);
    padding-bottom: 48px;
    margin-bottom: 48px;
}

.light-mode .subsection-divider {
    border-bottom-color: rgba(19, 33, 26, 0.5);
}

/* Context Layout with Figma Embed */
.context-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 24px;
}

.context-content {
    display: flex;
    flex-direction: column;
}

.context-content .challenge-points {
    margin: 24px 0;
}

.context-figma {
    min-height: 600px;
}

.context-figma iframe {
    width: 100%;
    height: 100%;
    min-height: 600px;
}

/* Navigation */
.case-study-nav {
    padding: 60px 48px;
    display: flex;
    justify-content: space-between;
}

/* Remove dividers around nav */
.case-study-section.no-divider::after {
    display: none;
}

.case-study-nav::after {
    display: none;
}

.case-study .footer {
    border-top: none;
}

.nav-link {
    font-size: 16px;
    color: var(--text-color);
    text-decoration: none;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .case-study-hero {
        grid-template-columns: 1fr;
        padding: 60px 32px 0;
    }

    .case-study-hero-content {
        padding-bottom: 40px;
    }


    .case-study-overview {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 60px 32px;
    }

    .case-study-overview::after {
        left: 32px;
        right: 32px;
    }

    .overview-meta {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }

    .case-study-section {
        padding: 60px 32px;
    }

    .case-study-section::after {
        left: 32px;
        right: 32px;
    }

    .challenge-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .case-study-quote {
        padding: 80px 32px;
    }

    .case-study-quote::before,
    .case-study-quote::after {
        left: 32px;
        right: 32px;
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .personas-grid {
        grid-template-columns: 1fr;
    }

    .principles-grid {
        grid-template-columns: 1fr;
    }

    .context-layout {
        grid-template-columns: 1fr;
    }

    .context-figma {
        min-height: 500px;
    }

    .wireframe-grid {
        flex-direction: column;
    }

    .context-figma iframe {
        min-height: 500px;
    }

    .case-study-nav {
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    .case-study-hero {
        padding: 48px 24px 0;
    }

    .case-study-hero-content {
        padding-bottom: 32px;
    }


    .case-study-overview {
        padding: 48px 24px;
    }

    .case-study-overview::after {
        left: 24px;
        right: 24px;
    }

    .overview-meta {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .case-study-section {
        padding: 48px 24px;
    }

    .case-study-section::after {
        left: 24px;
        right: 24px;
    }

    .case-study-quote {
        padding: 60px 24px;
    }

    .case-study-quote::before,
    .case-study-quote::after {
        left: 24px;
        right: 24px;
    }

    .context-figma {
        min-height: 450px;
    }

    .context-figma iframe {
        min-height: 450px;
    }

    .case-study-nav {
        padding: 40px 24px;
    }
}