/* ============================================
   PORTFOLIO SECTION - LIGHTBOX VERSION
   ============================================ */

/* Hide any old portfolio items that might exist */
.portfolio-item {
    display: none !important;
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin: var(--space-xl) 0;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.filter-btn span,
.filter-btn .filter-icon {
    position: relative;
    z-index: 1;
}

.filter-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(233, 30, 140, 0.2);
}

.filter-btn:hover::before {
    opacity: 0.1;
}

.filter-btn:hover .filter-icon {
    transform: scale(1.1) rotate(5deg);
}

.filter-btn:hover span {
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(233, 30, 140, 0.4);
    transform: translateY(-2px);
}

.filter-btn.active::before {
    opacity: 0;
}

.filter-btn.active .filter-icon {
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Portfolio Display - Single Image */
.portfolio-display {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: center;
}

.portfolio-preview {
    max-width: 350px;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.portfolio-preview:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(26, 29, 41, 0.2);
}

.portfolio-preview img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(to top, rgba(26, 29, 41, 0.95) 0%, rgba(26, 29, 41, 0.7) 70%, transparent 100%);
    color: white;
}

.portfolio-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
}

.portfolio-info p {
    font-size: 0.95rem;
    margin: 0;
    opacity: 0.9;
}

/* ============================================
   LIGHTBOX MODAL
   ============================================ */

.portfolio-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.lightbox-info {
    margin-top: var(--space-md);
    text-align: center;
    color: white;
}

.lightbox-info h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
}

.lightbox-info p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Lightbox Controls */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: fixed;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    line-height: 1;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover {
    transform: translateY(-50%) scale(1.1);
}

.lightbox-next:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .portfolio-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .filter-icon {
        width: 16px;
        height: 16px;
    }
    
    .portfolio-preview {
        max-width: 350px;
    }
    
    .portfolio-info h3 {
        font-size: 1.2rem;
    }
    
    .portfolio-info p {
        font-size: 0.85rem;
    }
    
    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .lightbox-close {
        top: 10px;
        right: 10px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-content img {
        max-height: 70vh;
    }
    
    .lightbox-info h3 {
        font-size: 1.1rem;
    }
    
    .lightbox-info p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .filter-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
        gap: 5px;
    }
    
    .filter-icon {
        width: 14px;
        height: 14px;
    }
    
    .portfolio-info {
        padding: var(--space-md);
    }
    
    .portfolio-info h3 {
        font-size: 1rem;
    }
    
    .portfolio-info p {
        font-size: 0.8rem;
    }
}

/* Touch Swipe Hint */
.lightbox-swipe-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}