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

/* Project Hero */
.project-hero {
    min-height: 70vh;
    display: flex;
    align-items: flex-end;
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: 80px;
}

.project-hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    width: 100%;
}

.back-link {
    display: inline-block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
    transition: color var(--transition);
}

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

.project-hero .project-type {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-sm);
}

.project-hero h1 {
    color: var(--white);
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: var(--space-sm);
}

.project-tagline {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

/* Project Details Bar */
.project-details {
    background: var(--white);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--light-gray);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.detail {
    text-align: center;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--medium-gray);
    margin-bottom: var(--space-xs);
}

.detail-value {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--black);
}

/* Project Content */
.project-content {
    padding: var(--space-xl) 0;
    background: var(--off-white);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
}

.content-main h2 {
    font-size: 2rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main .lead {
    font-size: 1.25rem;
    line-height: 1.6;
}

.content-main p {
    max-width: 650px;
}

.content-main em {
    font-style: italic;
}

.content-image {
    width: 100%;
    aspect-ratio: 16/9;
    margin: var(--space-lg) 0;
    border-radius: 4px;
    overflow: hidden;
}

.content-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sidebar */
.content-sidebar {
    position: sticky;
    top: calc(80px + var(--space-md));
    align-self: start;
}

.sidebar-section {
    background: var(--white);
    padding: var(--space-md);
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.sidebar-section h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--medium-gray);
    margin-bottom: var(--space-md);
}

.highlights-list {
    list-style: none;
}

.highlights-list li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--light-gray);
    font-size: 0.9375rem;
}

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

.sidebar-link {
    display: block;
    font-weight: 500;
    color: var(--steel-blue);
}

.sidebar-link:hover {
    color: var(--copper);
}

/* Next Project */
.next-project {
    padding: var(--space-lg) 0;
}

.next-project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    text-decoration: none;
    transition: opacity var(--transition);
}

.next-project-link:hover {
    opacity: 0.9;
}

.next-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
}

.next-project-link h3 {
    color: var(--white);
    font-size: 2rem;
    margin: 0;
}

.next-arrow {
    font-size: 2rem;
    color: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .content-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .sidebar-section {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .project-hero {
        min-height: 50vh;
    }
    
    .details-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md) var(--space-sm);
    }
    
    .content-sidebar {
        grid-template-columns: 1fr;
    }
    
    .next-project-link {
        flex-direction: column;
        text-align: center;
    }
}