.hero-bg {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        
        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .project-card:hover .project-overlay {
            opacity: 1;
        }
        
        .project-overlay {
            transition: all 0.3s ease;
        }
        
        .nav-link {
            position: relative;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #4f46e5;
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .animate-fade-in {
            animation: fadeIn 1s ease forwards;
        }