/* --- Images Source Accordion --- */
    .sources-section {
        max-width: 1100px;
        margin: 48px auto;
        padding: 0 24px;
    }

    .accordion-toggle {
        /* Button Reset */
        background: none;
        border: none;
        padding: 0;
        cursor: pointer;
        width: 100%;

        /* Layout */
        display: flex;
        justify-content: space-between;
        align-items: center;

        /* Styling */
        padding-bottom: 16px;
        border-bottom: 1px solid var(--color-border-subtle);
        color: var(--color-text-primary);
        font-size: 18px;
        font-weight: 600;
        font-family: var(--font-family-primary);
    }

    .accordion-icon {
        width: 20px;
        height: 20px;
        stroke: var(--color-text-secondary);
        transition: transform 0.3s ease;
    }

    /* Rotate icon when the accordion is open */
    .accordion-toggle[aria-expanded="true"] .accordion-icon {
        transform: rotate(180deg);
    }
    
    .accordion-content {
        /* Smooth transition for opening/closing */
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.3s ease-out;
    }

    .accordion-content ul {
        list-style: none;
        padding: 16px 0 0 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 8px; /* Space between links */
    }

    .accordion-content a {
        color: var(--color-text-secondary);
        text-decoration: none;
        transition: color 0.2s;
    }
    .accordion-content a:hover {
        color: var(--color-text-accent);
    }