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<!DOCTYPE html>
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<head>
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    <title>HistoriaData | Historical Commodity & Economic Data Warehouse</title>
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                <a href="#coverage" class="border-transparent text-gray-500 hover:bg-gray-50 hover:border-gray-300 hover:text-gray-700 block pl-3 pr-4 py-2 border-l-4 text-base font-medium">Coverage</a>
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            <h1 class="text-4xl font-extrabold tracking-tight text-white sm:text-5xl lg:text-6xl fade-in">
                Historical Commodity & Economic Data Warehouse
            </h1>
            <p class="mt-6 max-w-3xl mx-auto text-xl text-blue-100 fade-in">
                Aggregating, normalizing, and preserving long-run data on commodities, trade, finance, and global development with complete source provenance.
            </p>
            <div class="mt-10 flex justify-center space-x-4 fade-in">
                <a href="#features" class="inline-flex items-center px-6 py-3 border border-transparent text-base font-medium rounded-md shadow-sm text-blue-700 bg-white hover:bg-blue-50">
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                    <div class="text-4xl font-bold text-blue-600">100+</div>
                    <div class="mt-2 text-lg font-medium text-gray-900">Commodities Tracked</div>
                    <p class="mt-1 text-sm text-gray-500">Based on the 2014 CRB Commodity Yearbook coverage</p>
                </div>
                <div class="text-center p-6 bg-blue-50 rounded-lg">
                    <div class="text-4xl font-bold text-blue-600">50+</div>
                    <div class="mt-2 text-lg font-medium text-gray-900">Data Sources</div>
                    <p class="mt-1 text-sm text-gray-500">From international organizations and historical archives</p>
                </div>
                <div class="text-center p-6 bg-blue-50 rounded-lg">
                    <div class="text-4xl font-bold text-blue-600">100%</div>
                    <div class="mt-2 text-lg font-medium text-gray-900">Source Provenance</div>
                    <p class="mt-1 text-sm text-gray-500">Every observation traceable to its original dataset</p>
                </div>
                <div class="text-center p-6 bg-blue-50 rounded-lg">
                    <div class="text-4xl font-bold text-blue-600"></div>
                    <div class="mt-2 text-lg font-medium text-gray-900">Historical Vintages</div>
                    <p class="mt-1 text-sm text-gray-500">Preserved rather than overwritten by revisions</p>
                </div>
            </div>
        </div>
    </div>

    <!-- Features Section -->
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            <div class="lg:text-center">
                <h2 class="text-base text-blue-600 font-semibold tracking-wide uppercase">Features</h2>
                <p class="mt-2 text-3xl leading-8 font-extrabold tracking-tight text-gray-900 sm:text-4xl">
                    Comprehensive Historical Data Solution
                </p>
                <p class="mt-4 max-w-2xl text-xl text-gray-500 lg:mx-auto">
                    Our platform combines modern data access with historical preservation for rigorous economic research.
                </p>
            </div>

            <div class="mt-16">
                <div class="space-y-16 lg:space-y-0 lg:grid lg:grid-cols-3 lg:gap-x-8 lg:gap-y-12">
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                            <i class="fas fa-layer-group text-xl"></i>
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                        <div class="mt-6">
                            <h3 class="text-lg font-medium text-gray-900">Aggregated Data</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Combines modern public APIs with historical yearbooks and archived publications into a unified interface.
                            </p>
                        </div>
                    </div>

                    <div class="data-card bg-white p-8 rounded-lg shadow-md transition-all duration-300 ease-in-out">
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                            <h3 class="text-lg font-medium text-gray-900">Normalized Metrics</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Standardized units and classifications while retaining original values for cross-source comparison.
                            </p>
                        </div>
                    </div>

                    <div class="data-card bg-white p-8 rounded-lg shadow-md transition-all duration-300 ease-in-out">
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                        <div class="mt-6">
                            <h3 class="text-lg font-medium text-gray-900">Historical Vintages</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Preserves original publication versions rather than overwriting with newer revisions.
                            </p>
                        </div>
                    </div>

                    <div class="data-card bg-white p-8 rounded-lg shadow-md transition-all duration-300 ease-in-out">
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                        <div class="mt-6">
                            <h3 class="text-lg font-medium text-gray-900">Complete Provenance</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Every observation traceable to its original dataset, publication, table, or page.
                            </p>
                        </div>
                    </div>

                    <div class="data-card bg-white p-8 rounded-lg shadow-md transition-all duration-300 ease-in-out">
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                            <i class="fas fa-link text-xl"></i>
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                        <div class="mt-6">
                            <h3 class="text-lg font-medium text-gray-900">Classification Links</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Connections among CPC, HS, SITC, ISIC, and Prodcom classification systems.
                            </p>
                        </div>
                    </div>

                    <div class="data-card bg-white p-8 rounded-lg shadow-md transition-all duration-300 ease-in-out">
                        <div class="flex items-center justify-center h-12 w-12 rounded-md bg-blue-500 text-white">
                            <i class="fas fa-archive text-xl"></i>
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                        <div class="mt-6">
                            <h3 class="text-lg font-medium text-gray-900">Source Documentation</h3>
                            <p class="mt-2 text-base text-gray-500">
                                Retains original units, classifications, revisions, footnotes, and source metadata.
                            </p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Coverage Section -->
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                <h2 class="text-base text-blue-600 font-semibold tracking-wide uppercase">Coverage</h2>
                <p class="mt-2 text-3xl leading-8 font-extrabold tracking-tight text-gray-900 sm:text-4xl">
                    Comprehensive Historical Data Categories
                </p>
                <p class="mt-4 max-w-2xl text-xl text-gray-500 lg:mx-auto">
                    Our warehouse spans multiple dimensions of economic history with deep time-series.
                </p>
            </div>

            <div class="mt-16">
                <div class="space-y-16 relative">
                    <!-- Vertical line -->
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                            <div class="bg-blue-50 p-6 rounded-lg shadow-sm">
                                <h3 class="text-lg font-medium text-blue-600">
                                    <i class="fas fa-boxes mr-2"></i>Commodities & Industrial Production
                                </h3>
                                <p class="mt-2 text-gray-600">
                                    Prices, production, consumption, inventories, imports, exports, futures markets, and industrial output for 100+ domestic and international commodities.
                                </p>
                                <ul class="mt-3 space-y-2 text-sm text-gray-600">
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>CRB Commodity Yearbooks</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>UN Industrial Commodity Statistics</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>World Bank Pink Sheet</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>FAOSTAT & USGS data</li>
                                </ul>
                            </div>
                        </div>
                        <div class="mt-8 lg:mt-0 lg:w-5/12 lg:px-8">
                            <div class="bg-blue-50 p-6 rounded-lg shadow-sm">
                                <h3 class="text-lg font-medium text-blue-600">
                                    <i class="fas fa-chart-line mr-2"></i>Macroeconomic & Financial
                                </h3>
                                <p class="mt-2 text-gray-600">
                                    Exchange rates, reserves, monetary statistics, interest rates, prices, production, international transactions, government finance, and national accounts.
                                </p>
                                <ul class="mt-3 space-y-2 text-sm text-gray-600">
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>IMF International Financial Statistics</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>FRED & ALFRED</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>World Development Indicators</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>BIS & OECD data</li>
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                                <h3 class="text-lg font-medium text-blue-600">
                                    <i class="fas fa-exchange-alt mr-2"></i>Trade & Tariffs
                                </h3>
                                <p class="mt-2 text-gray-600">
                                    Bilateral trade flows, tariff schedules, trade agreements, and customs data with historical classifications and nomenclatures.
                                </p>
                                <ul class="mt-3 space-y-2 text-sm text-gray-600">
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>UN Comtrade & TRAINS</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>WTO IDB & CTS</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>ITC Market Access Map</li>
                                    <li><i class="fas fa-check-circle text-blue-500 mr-2"></i>CEPII TRADHIST</li>
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