/* dataset-styles.css */
body {
    font-family: 'Inter', sans-serif;
    background-color: #f9fafb;
    color: #1f2937;
}

/* --- Main Layout & Containers --- */
.dataset-container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem;
}
@media (min-width: 1024px) {
    .dataset-container {
        padding: 2rem;
    }
}

.dataset-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 1.5rem;
}

.content-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    border: 1px solid #e5e7eb;
}

#about-the-data.content-card {
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
    .content-card {
        padding: 2rem;
    }
}

/* --- Typography --- */
.header-tagline {
    font-size: 0.875rem;
    font-weight: 600;
    color: #4f46e5;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.header-title {
    color: #111827;
    text-align: center;
}


/* --- Buttons --- */
.header-buttons {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .header-buttons {
        flex-direction: row;
    }
}

.btn {
    display: inline-block;
    text-align: center;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease;
    text-decoration: none;
}
.btn .icon {
    margin-right: 0.5rem;
}

.btn-download {
    background-color: #4f46e5;
    color: white;
}
.btn-download:hover {
    background-color: #4338ca;
}

.btn-project {
    background-color: #e5e7eb;
    color: #374151;
}
.btn-project:hover {
    background-color: #d1d5db;
}

.btn-classplan {
    border-color: #0d9488;
    background-color: #0d9488; /* bg-teal-600 */
    color: white;
}

.btn-classplan:hover {
    background-color: #0f766e; /* hover:bg-teal-700 */
}