/* --- PORTFOLIO PAGE --- */

/* 8.1 HERO SECTION */
.portfolio-page .portfolio-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    position: relative;
    border-bottom: 1px solid var(--accent-line);
    background: var(--bg-color);
}

.portfolio-page .portfolio-hero-content {
    text-align: center;
    max-width: 1200px;
    z-index: 2;
}

.portfolio-page .portfolio-hero-title {
    font-family: var(--heading-font);
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 1.1;
    font-weight: 800;
    color: var(--white, #ffffff);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.portfolio-page .portfolio-hero-subtitle {
    font-family: var(--primary-font);
    font-size: 1.2rem;
    color: var(--gray-400, #9ca3af);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 8.2 FILTER CONTROLS */
.portfolio-page .portfolio-filters-section {
    padding: 3rem 2rem;
    border-bottom: 1px solid var(--accent-line);
    background: var(--bg-color);
    position: sticky;
    top: 80px;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(5, 5, 5, 0.95);
}

.portfolio-page .portfolio-filters-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.portfolio-page .filter-btn {
    font-family: var(--primary-font);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-400, #9ca3af);
    background: transparent;
    border: 1px solid var(--accent-line);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.portfolio-page .filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--white, #ffffff);
    transition: left 0.3s ease;
    z-index: -1;
}

.portfolio-page .filter-btn:hover,
.portfolio-page .filter-btn.active {
    color: var(--bg-color, #050505);
    border-color: var(--white, #ffffff);
}

.portfolio-page .filter-btn.active::before,
.portfolio-page .filter-btn:hover::before {
    left: 0;
}

/* 8.3 PORTFOLIO GRID */
.portfolio-page .portfolio-grid-section {
    padding: 4rem 2rem;
    background: var(--bg-color);
}

.portfolio-page .portfolio-grid-container {
    max-width: 1600px;
    margin: 0 auto;
}

.portfolio-page .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch; /* Changed from start to stretch for uniform height */
}

/* Uniform grid - no masonry variations */
.portfolio-page .portfolio-item {
    position: relative;
    opacity: 1 !important; /* Force opacity 1 for all visible items */
    transform: scale(1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.portfolio-page .portfolio-item.hidden {
    display: none; /* Use display none instead of opacity for hidden items */
    pointer-events: none;
    height: 0;
    margin: 0;
    overflow: hidden;
}

.portfolio-page .portfolio-item-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 3/4; /* Uniform aspect ratio for all items */
    cursor: pointer;
    flex: 1;
}

.portfolio-page .portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(100%) contrast(110%) brightness(90%);
    transition: filter 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s ease;
    will-change: transform, filter;
}

.portfolio-page .portfolio-item:hover img {
    filter: grayscale(0%) contrast(100%) brightness(100%);
    transform: scale(1.05);
}

.portfolio-page .portfolio-item-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
    color: inherit;
}

.portfolio-page .portfolio-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
}

.portfolio-page .portfolio-item:hover .portfolio-item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-page .portfolio-item-title {
    font-family: var(--heading-font);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white, #ffffff);
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
}

.portfolio-page .portfolio-item-caption {
    font-family: var(--primary-font);
    font-size: 0.9rem;
    color: var(--gray-300, #d1d5db);
    margin: 0;
    line-height: 1.5;
}

.portfolio-page .portfolio-item-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-page .portfolio-item:hover .portfolio-item-badge {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-page .portfolio-item-badge .badge {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--black, #000000);
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    backdrop-filter: blur(4px);
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .portfolio-page .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .portfolio-page .portfolio-hero {
        min-height: 50vh;
        padding: 3rem 1.5rem;
    }
    
    .portfolio-page .portfolio-hero-title {
        font-size: 2.5rem;
    }
    
    .portfolio-page .portfolio-hero-subtitle {
        font-size: 1rem;
    }
    
    .portfolio-page .portfolio-filters-section {
        padding: 2rem 1rem;
    }
    
    .portfolio-page .portfolio-filters-container {
        gap: 0.5rem;
    }
    
    .portfolio-page .filter-btn {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
    
    .portfolio-page .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .portfolio-page .portfolio-grid-section {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-page .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-page .portfolio-filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .portfolio-page .filter-btn {
        width: 100%;
        text-align: center;
    }
}

/* Animation for filtered items (transform only, no opacity) */
@keyframes slideIn {
    from {
        transform: translateY(20px);
    }
    to {
        transform: translateY(0);
    }
}

.portfolio-page .portfolio-item:not(.hidden) {
    animation: slideIn 0.4s ease;
    opacity: 1 !important;
}