.hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://via.placeholder.com/1920x1080');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 150px 0;
        }
        
        .project-card {
            transition: transform 0.3s;
            margin-bottom: 2rem;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
        }
        
        .tech-stack {
            background: #f8f9fa;
            padding: 5px 10px;
            border-radius: 15px;
            margin: 5px;
            display: inline-block;
            font-size: 0.9em;
        }

        .services-section {
            background: #f8f9fa;
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #0d6efd;
        }

        .timeline-item {
            border-left: 2px solid #0d6efd;
            padding-left: 20px;
            margin-bottom: 30px;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #0d6efd;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                        url('../img/backgroundcode.jpg') no-repeat center center/cover;
            color: white;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .hero-section {
                background-position: top center;
            }
        }
        .adsbygoogle {
            margin: 10px 0;
            text-align: center;
        }