/* Datasets Hero Section */
.datasets-hero {
    padding: 60px 0;
    background-color: var(--background-alt);
    position: relative;
    overflow: hidden;
}

.datasets-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.1), transparent 60%);
    pointer-events: none;
}

.datasets-hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-align: center;
}

.datasets-hero .section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Featured Datasets Section */
.featured-datasets {
    padding-top: 40px;
    background: var(--navy);
}

.datasets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.dataset-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.dataset-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(37, 99, 235, 0.3);
}

.dataset-card .card-icon {
    width: 56px;
    height: 56px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.dataset-card .card-icon i {
    font-size: 1.75rem;
    color: var(--primary);
}

.dataset-card h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--light);
}

.coverage-list h3 {
    color: var(--primary-light);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.coverage-item {
    margin-bottom: 1.5rem;
}

.coverage-item h4 {
    color: var(--light);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.coverage-item p {
    color: var(--gray);
    line-height: 1.7;
}

.datasets-cta {
    text-align: center;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .datasets-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .datasets-hero {
        padding: 40px 0;
    }

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

    .dataset-card {
        padding: 1.5rem;
    }

    .coverage-list h3 {
        font-size: 1rem;
    }

    .coverage-item h4 {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .dataset-card .card-icon {
        width: 40px;
        height: 40px;
    }

    .dataset-card h2 {
        font-size: 1.5rem;
    }
}