/* Portfolio Page Styles */

.portfolio-hero {
    background: var(--gradient-hero);
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
}

.portfolio-hero .hero-title {
    margin-bottom: var(--space-md);
    animation: fadeIn 1s ease-out;
}

.portfolio-hero .hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--color-soft-graphite);
    margin-bottom: var(--space-xl);
    animation: fadeIn 1s ease-out 0.3s both;
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.filter-btn {
    background: rgba(199, 167, 77, 0.1);
    border: var(--border-gold);
    border-radius: 50px;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-charcoal);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-champagne);
    color: var(--color-charcoal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.filter-btn:focus {
    outline: 2px solid var(--color-champagne);
    outline-offset: 2px;
}

/* Portfolio Gallery */
.portfolio-gallery {
    background: var(--color-porcelain);
    padding: var(--space-3xl) 0;
}

.results-count {
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--color-soft-graphite);
    font-size: 0.95rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.portfolio-item {
    position: relative;
    background: var(--color-ivory);
    border: var(--border-gold);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
    aspect-ratio: 4/3;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-elevated);
    border-color: rgba(199, 167, 77, 0.5);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

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

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(30, 30, 30, 0.95));
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    color: white;
    width: 100%;
}

.project-title {
    color: white;
    margin-bottom: var(--space-xs);
    font-size: 1.25rem;
    font-weight: 600;
}

.project-location {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.project-scope {
    color: var(--color-champagne);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.portfolio-overlay .btn {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.portfolio-overlay .btn:hover {
    background: var(--color-champagne);
    color: var(--color-charcoal);
    border-color: var(--color-champagne);
}

/* Portfolio CTA */
.portfolio-cta {
    background: var(--color-champagne);
    color: var(--color-charcoal);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.cta-title {
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
    color: var(--color-charcoal);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-cta .btn-primary {
    background: var(--color-charcoal);
    color: var(--color-porcelain);
}

.portfolio-cta .btn-primary:hover {
    background: var(--color-soft-graphite);
    color: var(--color-porcelain);
    transform: translateY(-3px);
}

/* Lightbox Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    background: var(--color-porcelain);
    border-radius: var(--border-radius);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-elevated);
    z-index: 1;
    transform: scale(0.9);
    transition: var(--transition-medium);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(30, 30, 30, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 2;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--color-champagne);
    color: var(--color-charcoal);
}

.lightbox-body {
    padding: var(--space-xl);
}

/* Project Detail in Lightbox */
.project-detail {
    max-width: 800px;
}

.project-hero {
    margin-bottom: var(--space-xl);
}

.project-hero-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.project-info-detail {
    display: grid;
    gap: var(--space-lg);
}

.project-header {
    border-bottom: var(--border-gold);
    padding-bottom: var(--space-md);
}

.project-title-detail {
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
    font-size: 2rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    color: var(--color-soft-graphite);
    font-size: 0.9rem;
}

.project-meta span {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-ivory);
    border-radius: 20px;
}

.project-info-detail h3 {
    color: var(--color-champagne);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.project-specifications ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.project-specifications li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-xs);
    color: var(--color-soft-graphite);
}

.project-specifications li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-champagne);
    font-weight: bold;
}

.project-cta {
    background: var(--color-ivory);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    text-align: center;
}

.project-cta h3 {
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.project-cta p {
    margin-bottom: var(--space-md);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.gallery-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.gallery-image.zoomed {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.5);
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-elevated);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .portfolio-hero {
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    
    .filter-btn {
        padding: var(--space-xs) var(--space-md);
        font-size: 0.9rem;
        min-width: 120px;
        text-align: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .portfolio-item {
        aspect-ratio: 16/10;
    }
    
    .portfolio-overlay {
        opacity: 1;
        background: linear-gradient(to bottom, transparent 60%, rgba(30, 30, 30, 0.9));
    }
    
    .portfolio-info {
        text-align: center;
    }
    
    .lightbox-content {
        max-width: 95vw;
        max-height: 95vh;
        margin: var(--space-sm);
    }
    
    .lightbox-body {
        padding: var(--space-lg);
    }
    
    .project-title-detail {
        font-size: 1.5rem;
    }
    
    .project-meta {
        justify-content: center;
        gap: var(--space-xs);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .portfolio-filters {
        gap: var(--space-xs);
    }
    
    .portfolio-overlay {
        padding: var(--space-md);
    }
    
    .project-title {
        font-size: 1.125rem;
    }
    
    .lightbox-close {
        top: var(--space-sm);
        right: var(--space-sm);
        width: 35px;
        height: 35px;
        font-size: 1.25rem;
    }
    
    .project-cta {
        padding: var(--space-md);
    }
}