.dataset-hero {
    text-align: center;
    padding: 60px 0 40px;
}

.dataset-hero h1 {
    font-size: 48px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.dataset-hero p {
    font-size: 20px;
    color: #6c757d;
}

.dataset-overview {
    margin-bottom: 60px;
}

.dataset-overview h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.dataset-overview p {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
}

.dataset-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 8px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #ff6900;
}

.stat-label {
    font-size: 14px;
    color: #6c757d;
    margin-top: 8px;
}

.dataset-features {
    margin: 60px 0;
}

.dataset-features h2 {
    font-size: 32px;
    margin-bottom: 32px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-item {
    padding: 24px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-item ul {
    list-style: none;
    padding: 0;
}

.feature-item li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: #555;
}

.feature-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.dataset-delivery {
    margin: 60px 0;
}

.dataset-delivery h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.dataset-delivery > p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.delivery-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.delivery-card {
    padding: 24px;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

.delivery-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.delivery-card p {
    color: #666;
    margin-bottom: 16px;
}

.delivery-card ul {
    list-style: none;
    padding: 0;
    margin-top: 16px;
}

.delivery-card li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    color: #555;
}

.delivery-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ff6900;
}

.dataset-updates {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
    margin: 60px 0;
}

.dataset-updates h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.dataset-updates > p {
    font-size: 18px;
    color: #666;
    margin-bottom: 32px;
}

.update-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.update-item {
    padding: 16px;
    background: white;
    border-radius: 4px;
}

.update-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
    color: #1a1a1a;
}

.update-item p {
    color: #666;
}

.dataset-schema {
    margin: 60px 0;
}

.dataset-schema h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.dataset-schema > p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.schema-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
}

.schema-table th,
.schema-table td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
}

.schema-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #1a1a1a;
}

.schema-table td {
    color: #555;
}

.schema-table tr:hover {
    background: #f8f9fa;
}

.schema-subsection {
    margin: 40px 0;
}

.schema-subsection h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.schema-subsection > p {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.change-types-note {
    margin-top: 16px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 4px;
}

.change-types-note p {
    margin: 0;
    font-size: 14px;
    color: #555;
}

.dataset-cta {
    text-align: center;
    padding: 60px 40px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 60px;
}

.dataset-cta h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.dataset-cta p {
    font-size: 18px;
    color: #666;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 32px;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn-primary {
    background: #ff6900;
    color: white;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-outline {
    border: 2px solid #ff6900;
    color: #ff6900;
    background: transparent;
}

.btn:hover {
    opacity: 0.85;
    text-decoration: none;
}

/* Applications Section */
.dataset-applications {
    margin: 60px 0;
}

.dataset-applications h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.dataset-applications > p {
    font-size: 18px;
    color: #666;
    margin-bottom: 32px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.application-card {
    padding: 24px;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

.application-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.application-card ul {
    list-style: none;
    padding: 0;
}

.application-card li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: #555;
}

.application-card li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #ff6900;
    font-weight: bold;
}

/* Use Cases Section */
.dataset-use-cases {
    margin: 60px 0;
}

.dataset-use-cases h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.use-case-item {
    padding: 16px;
    background: #f8f9fa;
    border-radius: 4px;
}

.use-case-item strong {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
    color: #1a1a1a;
}

.use-case-item p {
    color: #666;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .dataset-hero h1 {
        font-size: 36px;
    }

    .dataset-hero p {
        font-size: 18px;
    }

    .dataset-overview h2,
    .dataset-features h2,
    .dataset-delivery h2,
    .dataset-updates h2,
    .dataset-schema h2,
    .dataset-applications h2,
    .dataset-use-cases h2,
    .dataset-cta h2 {
        font-size: 28px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-number {
        font-size: 28px;
    }

    .features-grid,
    .delivery-options,
    .update-features,
    .applications-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .schema-table {
        font-size: 14px;
    }

    .schema-table th,
    .schema-table td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .dataset-hero {
        padding: 40px 0 30px;
    }

    .dataset-hero h1 {
        font-size: 28px;
    }

    .dataset-updates {
        padding: 24px;
    }

    .dataset-cta {
        padding: 40px 20px;
    }
}

/* Data Sample Section */
.dataset-sample {
    margin: 60px 0;
}

.dataset-sample h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.dataset-sample > p {
    font-size: 16px;
    color: #666;
    margin-bottom: 24px;
}

.code-block {
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
}

.code-block code {
    display: block;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    white-space: pre;
}

@media (max-width: 768px) {
    .code-block {
        font-size: 12px;
        padding: 16px;
    }

    .code-block code {
        font-size: 12px;
    }
}