/* ==========================================================================
   ARTICLE CONTENT TYPOGRAPHY — Single Article template
   Applies to whatever the_content() outputs. Generic and reusable — not
   styled specifically for one article. Uses body-lg (20px/28px) as the
   reading size: the closest existing token to premium editorial body copy,
   reused rather than a new size being invented.
   ========================================================================== */

.du-article__content {
    font-family: var(--body-lg-family);
    font-size: var(--body-lg-size);
    font-weight: var(--body-lg-weight);
    line-height: var(--body-lg-line);
    color: var(--text-body);
}

.du-article__content > * {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

.du-article__content > *:last-child {
    margin-bottom: 0;
}

.du-article__content > p:first-child::first-letter {
    /* Editorial drop-cap on the opening paragraph, serif to match headings. */
    font-family: var(--font-serif);
    font-size: 3.5em;
    font-weight: 500;
    line-height: 0.8;
    float: left;
    padding-right: var(--space-xs);
    padding-top: 4px;
    color: var(--on-background);
}

.du-article__content h2 {
    font-family: var(--headline-lg-family);
    font-size: var(--headline-lg-size);
    font-weight: var(--headline-lg-weight);
    line-height: var(--headline-lg-line);
    color: var(--on-background);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    scroll-margin-top: 112px; /* keeps TOC-linked headings clear of the sticky header */
}

/* No dedicated H3 token exists in the type scale (same situation
   _typography.css already documents for .du-text-quote) — serif at 24px
   sits deliberately between body-lg (20px) and headline-lg (32px). */
.du-article__content h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    line-height: 32px;
    color: var(--on-background);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
}

.du-article__content p {
    margin-bottom: var(--space-md);
}

.du-article__content ul,
.du-article__content ol {
    padding-left: 1.25em;
    margin-bottom: var(--space-md);
}

.du-article__content li + li {
    margin-top: var(--space-xs);
}

.du-article__content li > ul,
.du-article__content li > ol {
    margin-top: var(--space-xs);
    margin-bottom: 0;
}

.du-article__content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.du-article__content a:hover,
.du-article__content a:focus-visible {
    color: var(--primary-container);
}

.du-article__content strong {
    font-weight: 600;
    color: var(--on-surface);
}

/* ---- Core blockquote (plain WP blockquote, distinct from .du-pullquote) ---- */
.du-article__content blockquote:not(.du-pullquote) {
    border-left: 3px solid var(--border);
    padding-left: var(--space-md);
    font-style: italic;
    color: var(--on-surface-variant);
}

/* ---- Images / figures / captions ---- */
.du-article__content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-level-1);
}

.du-article__content figure {
    margin: var(--space-lg) 0;
}

.du-article__content figcaption,
.du-article__content .wp-caption-text {
    font-family: var(--caption-family);
    font-size: var(--caption-size);
    line-height: var(--caption-line);
    font-style: italic;
    color: var(--outline);
    text-align: center;
    margin-top: var(--space-xs);
}

/* ---- Tables ---- */
.du-article__content table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: var(--body-md-size);
}

.du-article__content th,
.du-article__content td {
    text-align: left;
    padding: var(--space-xs) var(--space-sm);
    border-bottom: var(--border-width) solid var(--border);
}

.du-article__content th {
    background-color: var(--surface-container-low);
    color: var(--on-surface);
    font-weight: 600;
}

/* ---- Code ---- */
.du-article__content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--surface-container-low);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.du-article__content pre {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 22px;
    background-color: var(--surface-container-low);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-sm);
    overflow-x: auto;
}

.du-article__content pre code {
    background: none;
    padding: 0;
}

/* ==========================================================================
   PULL QUOTE — [du_pullquote] shortcode
   Reuses .du-text-quote (existing serif-italic style) for the quote text.
   ========================================================================== */
.du-pullquote {
    background-color: var(--surface-container-low);
    border-left: 4px solid var(--primary-container);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.du-pullquote__mark {
    color: var(--on-background);
}

.du-pullquote__mark p {
    margin: 0 0 var(--space-xs);
}

.du-pullquote__mark p:last-child {
    margin-bottom: 0;
}

.du-pullquote__citation {
    display: block;
    font-style: normal;
    color: var(--on-surface-variant);
    margin-top: var(--space-sm);
}

/* ==========================================================================
   EDITORIAL CALLOUT — [du_callout] shortcode
   Border/icon colors reuse the existing semantic "Traffic Light" tokens
   (--success / --fragile / --secondary) from _variable.css instead of new
   callout-specific colors — the same system the article's own "Traffic
   Light" content describes.
   ========================================================================== */
.du-callout {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    background-color: var(--surface);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-md);
    margin: var(--space-lg) 0;
}

.du-callout__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
}

.du-callout__body {
    min-width: 0;
}

.du-callout__title {
    margin: 0 0 4px;
    color: var(--on-surface-variant);
}

.du-callout__content {
    color: var(--text-body);
}

.du-callout__content p:last-child {
    margin-bottom: 0;
}

.du-callout--insight {
    border-left: 4px solid var(--primary-container);
}
.du-callout--insight .du-callout__icon {
    background-color: var(--primary-container);
    color: var(--on-primary-container);
}

.du-callout--warning {
    border-left: 4px solid var(--fragile);
}
.du-callout--warning .du-callout__icon {
    background-color: var(--fragile);
    color: var(--on-primary);
}

.du-callout--recommendation {
    border-left: 4px solid var(--success);
}
.du-callout--recommendation .du-callout__icon {
    background-color: var(--success);
    color: var(--on-primary);
}

.du-callout--key-takeaway {
    border-left: 4px solid var(--secondary);
}
.du-callout--key-takeaway .du-callout__icon {
    background-color: var(--secondary-container);
    color: var(--on-secondary-container);
}

@media (max-width: 767px) {
    .du-article__content {
        font-size: var(--body-md-size);
        line-height: var(--body-md-line);
    }

    .du-pullquote,
    .du-callout {
        padding: var(--space-sm);
    }
}