:root {
    --primary-color: #1a1a1a;
    --accent-color: #ff6b6b;
    --background-color: #121212;
    --text-color: #ffffff;
    --card-bg: #2a2a2a;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
}

.hero {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeIn 1s ease-in;
}

.subtitle {
    font-size: 1.5rem;
    opacity: 0.8;
}

.map-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.map-wrapper {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.map-wrapper:hover {
    transform: translateY(-5px);
}

.data-display {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
}

path {
    transition: all 0.3s ease;
    cursor: pointer;
    fill: #3a3a3a;
}

path:hover {
    fill: var(--accent-color);
    filter: drop-shadow(0 0 10px var(--accent-color));
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.region-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.additional-content {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.additional-content h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--accent-color);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.info-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.timeline {
    margin-top: 1.5rem;
}

.timeline-item {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--accent-color);
}

.year {
    color: var(--accent-color);
    font-weight: bold;
    display: block;
    margin-bottom: 0.5rem;
}

.key-figures {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.figure {
    text-align: center;
}

.figure .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-color);
    display: block;
}

.figure .label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.integration-section {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 3rem;
}

.integration-section h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.integration-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.integration-item h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.data-visualization {
    padding: 4rem 2rem;
    background: var(--background-color);
    padding-top: 0;
}

.chart-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.chart-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-height: 400px;
}

.tag-cloud {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag-cloud span {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background: rgba(255, 107, 107, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.tag-cloud span:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.comparison-tool {
    padding: 4rem 2rem;
}

.comparison-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.region-select {
    padding: 0.8rem 1.5rem;
    border-radius: 0.5rem;
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--accent-color);
    min-width: 200px;
}

.compare-button {
    padding: 0.8rem 2rem;
    background: var(--accent-color);
    border: none;
    border-radius: 0.5rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.compare-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

.comparison-result {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.comparison-result.active {
    opacity: 1;
    transform: translateY(0);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.progress-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 2rem auto;
    position: relative;
    background: conic-gradient(var(--accent-color) 0%, transparent 0%);
}

.progress-circle-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: bold;
}

.year-slider {
    width: 100%;
    height: 4px;
    background: #fff;
    appearance: none;
    outline: none;
    border-radius: 2px;
}

.year-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

#yearDisplay {
    text-align: center;
    font-size: 1.5rem;
    margin-top: 1rem;
    color: var(--accent-color);
}

.top-regions {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem auto;
}

.top-regions h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bar-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    width: 180px;
    font-size: 0.9rem;
}

.bar-container {
    flex: 1;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.bar {
    height: 100%;
    background: var(--accent-color);
    width: 0;
    transition: width 1s ease;
    position: relative;
}

.bar-value {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: bold;
}

.bar-container:hover .bar-value {
    opacity: 1;
}

.timeline-controls {
    margin: 2rem 0;
    text-align: center;
}

#demographySlider {
    width: 80%;
    margin: 0 1rem;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    height: 4px;
    border-radius: 2px;
}

#demographySlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
}

#demographySlider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

#demographySlider::-moz-range-track {
    background: rgba(255, 255, 255, 0.1);
    height: 4px;
    border-radius: 2px;
}

#demographyYearDisplay {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.demography-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.region-stat {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.region-stat h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.stat-details {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.stat-value {
    font-weight: bold;
}

/* Media queries pour mobile */
@media screen and (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .map-container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .data-visualization {
        flex-direction: column;
        padding: 1rem;
    }

    .population-visualization,
    .top-regions {
        width: 100%;
    }

    .stat-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .info-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .key-figures {
        grid-template-columns: 1fr;
    }

    .integration-grid {
        grid-template-columns: 1fr;
    }

    .chart-container {
        grid-template-columns: 1fr;
    }

    .chart-card {
        min-height: 300px;
    }

    .bar-label {
        width: 120px;
        font-size: 0.8rem;
    }

    .demography-grid {
        grid-template-columns: 1fr;
    }

    #demographySlider {
        width: 90%;
    }

    .timeline-controls {
        margin: 1rem 0;
    }

    .region-stat {
        padding: 1rem;
    }

    .additional-content {
        padding: 2rem 1rem;
    }

    .additional-content h2 {
        font-size: 2rem;
    }

    .integration-section {
        padding: 1rem;
    }

    .tag-cloud {
        height: 200px;
    }
}

/* Ajustements pour les très petits écrans */
@media screen and (max-width: 480px) {
    .hero {
        padding: 4rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .bar-label {
        width: 100px;
        font-size: 0.75rem;
    }

    .stat-value {
        font-size: 0.9rem;
    }

    .figure .number {
        font-size: 2rem;
    }
}