/* Portfolio Page Styles */

/* Page Hero */
.page-hero {
    padding: calc(var(--spacing-5xl) + 80px) 0 var(--spacing-4xl);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface-alt) 100%);
    text-align: center;
}

.page-hero h1 {
    margin-bottom: var(--spacing-lg);
}

.page-hero p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Portfolio Filter */
.portfolio-filter {
    padding: var(--spacing-2xl) 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

.filter-btn.active {
    background: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-surface);
}

/* Portfolio Grid */
.portfolio-grid-section {
    padding: var(--spacing-5xl) 0;
    background: var(--color-bg);
}

.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-item.wide {
    grid-column: span 2;
    aspect-ratio: 8/3;
}

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

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.95) 0%, rgba(26, 26, 26, 0.7) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.portfolio-content {
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.portfolio-overlay h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

@media (max-width: 992px) {
    .portfolio-masonry {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-item.wide {
        grid-column: span 1;
        aspect-ratio: 4/3;
    }
}

@media (max-width: 640px) {
    .portfolio-masonry {
        grid-template-columns: 1fr;
    }
    
    .portfolio-item {
        aspect-ratio: 16/10;
    }
}

/* Video Showcase */
.video-showcase {
    padding: var(--spacing-5xl) 0;
    background: var(--color-surface);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.video-embed {
    position: relative;
}

.video-embed iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius-md);
}

.video-title {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

.video-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

@media (max-width: 992px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation for filtered items */
.portfolio-item {
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    position: absolute;
}