/* ========================================
   Case Study Styles
   ======================================== */

/* Case Study Hero */
.case-study-hero {
    padding-top: 140px;
    padding-bottom: var(--spacing-lg);
    background: var(--color-bg);
}

.back-link {
    display: inline-block;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

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

.case-study-header {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
}

.case-study-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0.5rem 0 1rem;
    color: var(--color-text);
}

.case-study-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.case-study-meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
}

.meta-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Full Width Image */
.case-study-image-full {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.case-study-image-full img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* Case Study Sections */
.case-study-section {
    padding: var(--spacing-xl) 0;
}

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

.section-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
}

.section-label-col .section-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    position: sticky;
    top: 100px;
}

.section-content-col h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-content-col h3:not(:first-child) {
    margin-top: var(--spacing-md);
}

.section-content-col p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Research Findings */
.research-findings {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.finding {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.finding-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
}

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

/* Insights List */
.insights-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.insights-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-light);
}

.insights-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.feature-card h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

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

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.result-card {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    color: white;
}

.result-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.result-card p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Image Gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.image-gallery.three-col {
    grid-template-columns: repeat(3, 1fr);
}

.image-gallery.single {
    grid-template-columns: 1fr;
}

.image-gallery img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

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

.image-gallery .full-width {
    grid-column: 1 / -1;
}

/* Section Image */
.section-image {
    margin: var(--spacing-md) 0;
}

.section-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.section-image figcaption {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-top: 0.75rem;
    font-style: italic;
}

/* Component Grid */
.component-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.component-grid img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.component-grid img:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* Final Design Showcase */
.design-showcase {
    margin: var(--spacing-md) 0;
}

.design-showcase-main {
    margin-bottom: var(--spacing-md);
}

.design-showcase-main img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.design-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.design-showcase-grid img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

/* Mobile Showcase */
.mobile-showcase {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-lg);
}

.mobile-showcase img {
    max-width: 280px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

/* Journey Steps */
.journey-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.journey-step {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
}

.journey-step::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    width: 20px;
    height: 2px;
    background: var(--color-accent);
    transform: translateY(-50%);
}

.journey-step:last-child::after {
    display: none;
}

.step-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.journey-step h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.journey-step p {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Hypothesis Box */
.hypothesis-box {
    background: linear-gradient(135deg, #F3F0FF 0%, #EDE9FE 100%);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border-left: 4px solid var(--color-accent);
    margin: var(--spacing-md) 0;
}

.hypothesis-box p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text);
    margin: 0;
}

/* Conclusion Box */
.conclusion-box {
    background: var(--color-text);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin: var(--spacing-md) 0;
}

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

.conclusion-box p {
    color: rgba(255, 255, 255, 0.9);
}

.conclusion-box ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
}

.conclusion-box li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.conclusion-box li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent-light);
}

/* Next Project */
.next-project {
    padding: var(--spacing-xl) 0;
    background: var(--color-text);
    text-align: center;
}

.next-label {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1rem;
}

.next-project-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: white;
    transition: var(--transition);
}

.next-project-link:hover {
    color: var(--color-accent-light);
}

.next-project-link h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
}

.next-project-link .arrow {
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.next-project-link:hover .arrow {
    transform: translateX(10px);
}

/* Responsive */
@media (max-width: 1024px) {
    .section-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .section-label-col .section-label {
        position: static;
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .case-study-title {
        font-size: 2.5rem;
    }

    .case-study-subtitle {
        font-size: 1.1rem;
    }

    .case-study-meta {
        gap: var(--spacing-md);
    }

    .research-findings {
        grid-template-columns: 1fr;
    }

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

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

    .next-project-link h2 {
        font-size: 1.75rem;
    }

    .image-gallery {
        grid-template-columns: 1fr;
    }

    .image-gallery.three-col {
        grid-template-columns: 1fr;
    }

    .component-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .design-showcase-grid {
        grid-template-columns: 1fr;
    }

    .mobile-showcase {
        flex-direction: column;
        align-items: center;
    }

    .mobile-showcase img {
        max-width: 100%;
    }

    .journey-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .journey-step::after {
        display: none;
    }
}