body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background-color: #f4f4f9;
    margin: 0;
    padding: 40px 20px;
    font-size: 1.15rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 50px 70px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    margin-bottom: 50px;
    border-bottom: 2px solid #eaeaea;
    padding-bottom: 20px;
}

h1 {
    color: #2c3e50;
    font-size: 2.5rem;
}

h2, h3 {
    color: #2c3e50;
}

#introduction {
    line-height: 1.8;
    margin-bottom: 60px;
}

.interactive-section {
    display: flex;
    flex-direction: row;
    gap: 30px;
    align-items: flex-start;
    margin-top: 40px;
}

#map-container {
    flex: 1;
}

#map {
    height: 400px;
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
}

#chart-container {
    flex: 2;
}

#chart {
    height: 400px;
    width: 100%;
    position: relative;
}

#chart-description {
    flex: 1;
    background-color: #f9f9fc;
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid #b30000;
    line-height: 1.7;
}

.caption {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
    margin-top: 10px;
}

#controls {
    background-color: #f9f9fc;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid #ddd;
}

#controls label {
    font-size: 1.2rem;
    font-weight: bold;
    color: #2c3e50;
    margin-right: 20px;
}

#year-display {
    color: #b30000;
    font-size: 1.5rem;
}

#year-slider {
    width: 60%;
    vertical-align: middle;
    cursor: pointer;
}

#dashboard-guide {
    background-color: #f9f9fc;
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid #b30000;
    line-height: 1.7;
    margin-top: 40px;
}

#dashboard-guide h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.4rem;
}

#dashboard-guide strong {
    color: #2c3e50;
}

.chart-tooltip {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid #2c3e50;
    padding: 10px 15px;
    border-radius: 5px;
    pointer-events: none;
    font-size: 0.95rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    opacity: 0;
}

.info.legend {
    background: white;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    color: #333;
}

#data-context {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #ddd;
    border-top: 5px solid #b30000;
    line-height: 1.7;
    margin-top: 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

#moderate-emissions-section,
#emissions-impact-section {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #ddd;
    border-top: 5px solid #2a9d8f;
    line-height: 1.7;
    margin-top: 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

#moderate-emissions-chart,
#emissions-impact-chart {
    width: 100%;
    margin-top: 25px;
    overflow-x: auto;
}

#moderate-emissions-chart svg,
#emissions-impact-chart svg {
    width: 100%;
    height: auto;
}

.takeaway {
    background: #f6f4ee;
    border-left: 5px solid #2a9d8f;
    padding: 16px;
    margin-top: 18px;
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.6;
}

#roadmap-section {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #ddd;
    border-top: 5px solid #2c3e50;
    line-height: 1.7;
    margin-top: 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

#roadmap-section h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.5rem;
}

.roadmap-cards {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-top: 25px;
}

.roadmap-cards .card {
    flex: 1;
    background-color: #f9f9fc;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #eaeaea;
    transition: transform 0.2s ease;
}

.roadmap-cards .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

.roadmap-cards .card h4 {
    margin-top: 0;
    color: #b30000;
    font-size: 1.15rem;
    border-bottom: 2px solid #eaeaea;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

@media (max-width: 900px) {
    .container {
        padding: 30px 25px;
    }

    .interactive-section {
        flex-direction: column;
    }

    #map-container,
    #chart-container {
        width: 100%;
    }

    .roadmap-cards {
        flex-direction: column;
    }

    #year-slider {
        width: 100%;
        margin-top: 10px;
    }
}