body {
    font-family: 'Arial', sans-serif;
    scroll-behavior: smooth;
}

#hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('hero-bg.jpg') no-repeat center center/cover;
    color: white;
}

.timeline-item {
    position: relative;
    padding: 1.5rem 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #007bff;
}

#skills .col-md-4 {
    opacity: 0;
}