/* Expandable FAQ Engine Styles */

.accordion-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-strict);
    margin-bottom: var(--spacing-small);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.accordion-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    user-select: none;
}

.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--color-accent-brand);
}

.accordion-content {
    max-height: 0;
    opacity: 0;
    padding: 0 1.5rem;
    color: var(--color-text-muted);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-item.is-open {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.accordion-item.is-open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-item.is-open .accordion-content {
    max-height: 300px;
    opacity: 1;
    padding-bottom: 1.5rem;
}