/* ==========================================
   PORTFOLIO / CASE STUDIES SECTION
   ========================================== */

.portfolio {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Portfolio Image */
.portfolio-image {
    height: 250px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    opacity: 1;
    transition: var(--transition);
}

.portfolio-category {
    background: var(--white);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Portfolio Content */
.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.portfolio-description {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* Portfolio Metrics */
.portfolio-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-sm);
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Portfolio Link */
.portfolio-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.portfolio-link:hover {
    gap: 0.75rem;
    color: var(--primary-dark);
}

.portfolio-link::after {
    content: '→';
    transition: var(--transition);
}

/* Portfolio Tags */
.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.portfolio-tag {
    background: var(--gray-light);
    color: var(--dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Portfolio Filter (if using views) */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.portfolio-filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--gray-light);
    color: var(--dark);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn.is-active {
    background: var(--primary);
    color: var(--white);
}

/* Portfolio Featured */
.portfolio-card.featured {
    grid-column: span 2;
}

.portfolio-card.featured .portfolio-image {
    height: 350px;
}

.portfolio-card.featured .portfolio-metrics {
    grid-template-columns: repeat(4, 1fr);
}

/* Portfolio View More */
.portfolio-view-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Drupal Views Integration */
.view-portfolio .views-row {
    margin-bottom: var(--spacing-lg);
}

.view-portfolio .view-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.view-portfolio .views-exposed-form {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-card.featured {
        grid-column: span 1;
    }
    
    .portfolio-card.featured .portfolio-image {
        height: 250px;
    }
    
    .portfolio-card.featured .portfolio-metrics {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio {
        padding: var(--spacing-lg) 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .portfolio-content {
        padding: var(--spacing-md);
    }
    
    .portfolio-title {
        font-size: 1.25rem;
    }
    
    .portfolio-metrics {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .metric {
        flex-direction: row;
        justify-content: space-between;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .metric:last-child {
        border-bottom: none;
    }
    
    .metric-value {
        font-size: 1.25rem;
    }
    
    .metric-label {
        margin-top: 0;
    }
}

@media (max-width: 480px) {
    .portfolio-image {
        height: 180px;
    }
}