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

.feature-card {
    background-color: var(--surface);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-3);
    display: flex;
    flex-direction: column;
}

.feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-top: 0;
    color: var(--text-primary);
}

.feature-card p {
    font-family: var(--font-sans);
    color: var(--text-secondary);
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.feature-card .btn {
    align-self: flex-start;
}

/* Disabled/Unavailable state */
.feature-card.unavailable {
    filter: grayscale(80%);
    opacity: 0.6;
    pointer-events: none;
}

.feature-card.unavailable p {
    color: var(--muted);
}