/* ===================================
   Portfolio Detail Page Styles
   =================================== */

/* Project Hero Section */
.project-hero {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 50%, #F0FDFA 100%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    color: var(--text-light);
}

.project-header {
    max-width: 800px;
}

.project-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-xl);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-header h1 {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.project-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Project Image Section */
.project-image-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.project-main-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.project-main-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Project Details Section */
.project-details {
    padding: var(--spacing-3xl) 0;
}

.project-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-3xl);
}

/* Sidebar */
.project-info-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.info-item h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item p {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.feature-list i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

/* Project Description */
.project-description {
    max-width: 800px;
}

.project-description h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.project-description h3 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.project-description p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.project-description ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.project-description ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Project Navigation */
.project-navigation {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-btn i {
    font-size: 1.125rem;
}

.prev-btn {
    margin-right: auto;
}

.next-btn {
    margin-left: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .project-content {
        grid-template-columns: 1fr;
    }
    
    .project-info-sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .project-hero {
        padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-lg);
    }
    
    .project-info-sidebar {
        grid-template-columns: 1fr;
    }
    
    .nav-buttons {
        flex-direction: column;
    }
    
    .nav-btn {
        width: 100%;
        justify-content: center;
    }
    
    .prev-btn,
    .next-btn {
        margin: 0;
    }
}

@media (max-width: 480px) {
    .project-header h1 {
        font-size: 2rem;
    }
    
    .project-subtitle {
        font-size: 1.125rem;
    }
    
    .project-description h2 {
        font-size: 1.5rem;
    }
    
    .project-description h3 {
        font-size: 1.25rem;
    }
}