/* ═══════════════════════════════════════════════════════════
   BLOG — Article Layout
   Black & white, monospace, zero color in chrome
   ═══════════════════════════════════════════════════════════ */

/* ─── ARTICLE HEADER ─── */
.article-header {
    padding-top: calc(6rem + 6rem);
    padding-bottom: 4rem;
    max-width: 720px;
    margin: 0 auto;
}

.article-header .article-lead {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--color-text-muted);
    line-height: 1.75;
    padding-left: 1.5rem;
    border-left: 2px solid var(--color-text-muted);
}

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    margin-bottom: 3rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.article-back:hover {
    color: var(--color-text-main);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.article-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--color-text-muted);
}

.article-header h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.article-header .article-lead {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--color-text-muted);
    line-height: 1.75;
    padding-left: 1.5rem;
    border-left: 2px solid var(--color-text-muted);
}

/* ─── ARTICLE BODY ─── */
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding-bottom: 6rem;
}

.article-body h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-top: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.article-body p {
    font-size: 0.92rem;
    color: var(--color-foreground);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.article-body ul,
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.25rem;
}

.article-body li {
    font-size: 0.92rem;
    color: var(--color-foreground);
    line-height: 1.9;
    margin-bottom: 0.5rem;
}

.article-body dl {
    margin-bottom: 1.5rem;
}

.article-body dt {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-top: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.article-body dt:first-child {
    margin-top: 0;
}

.article-body dd {
    font-size: 0.92rem;
    color: var(--color-foreground);
    line-height: 1.8;
    margin-left: 0;
    margin-top: 0.35rem;
    padding-left: 1rem;
    border-left: 1px solid var(--color-text-muted);
}

.article-body strong {
    font-weight: 700;
    color: var(--color-text-main);
}

.article-body em {
    font-style: italic;
}

.article-body a {
    color: var(--color-text-main);
    text-decoration: underline;
    text-underline-offset: 0.2em;
    transition: color 0.3s ease;
}

.article-body a:hover {
    color: var(--color-text-muted);
}

.article-body small {
    font-size: 0.8rem;
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ─── BLOCKQUOTES ─── */
.article-body blockquote {
    border-left: 2px solid var(--brand-blue);
    padding: 1rem 0 1rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
}

.article-body blockquote p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

/* ─── FIGURES ─── */
.article-figure {
    float: left;
    margin: 0.5rem 2rem 1.5rem 0;
    max-width: 200px;
    overflow: hidden;
}

.article-figure img,
.article-figure video {
    display: block;
    width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.article-figure video {
    border: none;
    outline: none;
    background: transparent;
}

.article-figure video::-webkit-media-controls {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.article-figure video:hover::-webkit-media-controls {
    opacity: 1;
}

.article-figure:hover img,
.article-figure:hover video {
    filter: grayscale(0%);
}

.article-figure figcaption {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    padding: 0.5rem 0 0;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ─── FIGURE VARIANTS ─── */
.article-figure--centered {
    float: none;
    margin: 2.5rem auto;
    max-width: 360px;
}

.article-figure--full {
    float: none;
    margin: 2.5rem auto;
    max-width: 720px;
}

@media (max-width: 768px) {
    .article-figure {
        float: none;
        margin: 2rem 0;
        max-width: 100%;
    }
}

/* ─── CODE ─── */
.article-body code {
    font-family: var(--font-main);
    font-size: 0.8rem;
    padding: 0.2rem 0.45rem;
    background: var(--color-background-alt);
}

.article-body pre {
    background: var(--neutral-900);
    padding: 2rem;
    overflow-x: auto;
    margin: 2.5rem 0;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: var(--neutral-300);
    font-size: 0.82rem;
    line-height: 1.7;
}

/* ─── TABLES ─── */
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.5rem 0;
    font-size: 0.82rem;
}

.article-body th,
.article-body td {
    border: 1px solid var(--neutral-300);
    padding: 1rem 1.25rem;
    text-align: left;
}

[data-theme="dark"] .article-body th,
[data-theme="dark"] .article-body td {
    border-color: var(--neutral-700);
}

.article-body th {
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--color-text-main);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-body td {
    color: var(--color-foreground);
}

/* ─── CALLOUT BOXES ─── */
.article-callout {
    border-left: 2px solid var(--color-text-main);
    padding: 1.5rem 2rem;
    margin: 2.5rem 0;
}

.article-callout-title {
    font-weight: 700;
    font-size: 0.7rem;
    color: var(--color-text-main);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.article-callout p {
    margin-bottom: 0;
}

/* ─── DIVIDER ─── */
.article-body hr {
    border: none;
    height: 1px;
    background: var(--neutral-300);
    margin: 4rem 0;
}

[data-theme="dark"] .article-body hr {
    background: var(--neutral-700);
}

/* ─── SOURCES ─── */
.article-sources {
    border-top: 1px solid var(--neutral-300);
    padding-top: 2.5rem;
    margin-top: 4rem;
}

[data-theme="dark"] .article-sources {
    border-top-color: var(--neutral-700);
}

.article-sources h2 {
    margin-top: 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.article-sources li {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
    .article-header {
        padding-top: calc(4rem + 4rem);
        padding-bottom: 3rem;
    }

    .article-header h1 {
        font-size: 1.8rem;
    }

    .article-body h2 {
        font-size: 1.2rem;
        margin-top: 3rem;
    }
}