.category-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 150px;
        }

        .category-card {
            background: linear-gradient(135deg, #a855f7 0%, #9333ea 100%);
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(168, 85, 247, 0.4);
        }

        .category-icon {
            font-size: 3rem;
            margin-bottom: 15px;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
        }

        /* Portfolio Section */
        .portfolio-section {
            margin-bottom: 120px;
        }

        .portfolio-section h2 {
            font-size: 2.5rem;
            margin-bottom: 50px;
            font-weight: 600;
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 100px;
            margin-bottom: 80px;
        }

        .portfolio-item h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .portfolio-item p {
            opacity: 0.85;
            margin-bottom: 20px;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
        }

        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
            border-radius: 10px;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 60px 0 40px;
            opacity: 0.7;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 968px) {
            .category-cards {
                grid-template-columns: 1fr;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
            }

            .page-header h1 {
                font-size: 1.5rem;
            }

            .page-header h2 {
                font-size: 1.3rem;
            }

            .portfolio-section h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 20px;
            }

            .nav-links {
                gap: 15px;
                padding: 12px 20px;
            }

            .nav-links a {
                font-size: 0.9rem;
            }
        }