.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.nav-link {
    position: relative;
}
.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #fff;
    transition: width 0.3s ease;
}
.nav-link:hover:after {
    width: 100%;
}
.code-block {
    font-family: 'Courier New', monospace;
    background-color: #2d3748;
    color: #f7fafc;
    border-radius: 0.5rem;
}