body {
    font-family: 'Inter', sans-serif;
    background-color: #FDFBF8;
    color: #4A4A4A;
}
.active-nav {
    background-color: #EAE3D9;
    color: #3D3D3D;
    font-weight: 500;
}
.content-section {
    display: none;
}
.content-section.active {
    display: block;
}
.chart-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    height: 300px;
    max-height: 400px;
}
@media (min-width: 768px) {
    .chart-container {
        height: 350px;
    }
}