/* Responsive Design */
        @media (max-width: 992px) {
            .about-container {
                grid-template-columns: 1fr;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
            
            nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--white-primary);
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: all 0.4s ease;
            }
            
            nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            
            nav ul {
                flex-direction: column;
                padding: 20px 0;
            }
            
            nav ul li {
                margin: 0;
            }
            
            nav ul li a {
                display: block;
                padding: 15px 30px;
            }
            
            .hero {
                padding-top: 90px;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .section {
                padding: 60px 0;
            }
        }