/* Portfolio Section */
        .portfolio-filter {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .filter-btn {
            padding: 8px 20px;
            margin: 5px;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .filter-btn.active, .filter-btn:hover {
            background: var(--primary);
            color: white;
        }
       

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .portfolio-item {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 250px;
        }
        
        .portfolio-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(139, 115, 85, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: var(--transition);
            padding: 20px;
            text-align: center;
            color: white;
        }
        
        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }
        
        .portfolio-item:hover img {
            transform: scale(1.1);
        }