/* ============================================================
   AutonoIQ v2 — blog-detail.css
   Editorial article shell. Styles the markup injected into
   #blog-detail-container and #related-posts-container by
   scripts/blog-loader.js. Page-specific layout only — all
   tokens/components come from core.css.
   ============================================================ */

/* ----- Article shell ----- */
.article-section {
    padding-top: calc(76px + clamp(3rem, 7vw, 5.5rem));
}
.article-col {
    max-width: 720px;
    margin-inline: auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: clamp(2rem, 5vw, 3rem);
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    text-decoration: none;
    color: var(--muted);
    transition: color 0.25s var(--ease-out);
}
.back-link .back-link__arrow {
    display: inline-block;
    transition: transform 0.3s var(--ease-out);
}
.back-link:hover { color: var(--ember); }
.back-link:hover .back-link__arrow { transform: translateX(-5px); }

/* ----- Loader states (injected) ----- */
#blog-detail-container .loading,
.related-grid .loading {
    padding: 6rem 0;
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
    animation: article-pulse 1.6s ease-in-out infinite;
}
@keyframes article-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

#blog-detail-container .error-message,
.related-grid .error-message {
    margin: 3rem 0;
    padding: 1.75rem 2rem;
    border: 1px solid var(--ember);
    border-radius: var(--radius);
    background: var(--ember-soft);
    color: var(--ink);
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--text-small);
}

/* ----- Post header (injected) ----- */
.blog-post-header {
    margin-bottom: clamp(2rem, 5vw, 2.75rem);
}

.blog-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.1rem;
    margin-bottom: 1.75rem;
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}
.blog-post-meta .category {
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--ember);
    border-radius: var(--radius);
    color: var(--ember);
    background: var(--ember-soft);
}
.blog-post-meta .date::before,
.blog-post-meta .reading-time::before {
    content: '\2014';
    margin-right: 1.1rem;
    color: var(--ink-border-strong);
}

.blog-post-header h1 {
    font-size: clamp(2.1rem, 5vw, 3.25rem);
    margin-bottom: 1.4rem;
}

.blog-post-header .lead {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 380;
    font-size: clamp(1.15rem, 2.4vw, 1.35rem);
    line-height: 1.5;
    color: var(--muted);
}

/* ----- Featured image (injected) ----- */
.blog-post-image {
    margin: clamp(2rem, 5vw, 3rem) 0;
    border: 1px solid var(--ink-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.blog-post-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ----- Article body (injected markdown) ----- */
.blog-post-content {
    font-size: var(--text-body);
    line-height: 1.8;
    color: var(--ink);
    overflow-wrap: break-word;
}
.blog-post-content > * { max-width: 100%; }

.blog-post-content p {
    margin-bottom: 1.6rem;
    line-height: 1.8;
}

/* Drop cap on the opening paragraph — premium print feel */
.blog-post-content > p:first-child::first-letter {
    font-family: var(--font-display);
    font-weight: 460;
    font-size: 3.3em;
    line-height: 0.82;
    float: left;
    padding: 0.07em 0.14em 0 0;
    color: var(--ink);
}

.blog-post-content h2 {
    font-size: clamp(1.6rem, 3vw, 2rem);
    margin: 3rem 0 1.1rem;
}
.blog-post-content h3 {
    font-size: 1.35rem;
    margin: 2.4rem 0 1rem;
}
.blog-post-content h4,
.blog-post-content h5,
.blog-post-content h6 {
    font-family: var(--font-body);
    font-weight: 600;
    line-height: 1.35;
    margin: 2rem 0 0.9rem;
}

.blog-post-content strong,
.blog-post-content b { font-weight: 600; }

.blog-post-content ul,
.blog-post-content ol {
    margin: 0 0 1.6rem;
    padding-left: 1.4rem;
    line-height: 1.8;
}
.blog-post-content li { margin-bottom: 0.6rem; padding-left: 0.25rem; }
.blog-post-content li::marker { color: var(--ember); }
.blog-post-content ul ul,
.blog-post-content ol ol,
.blog-post-content ul ol,
.blog-post-content ol ul {
    margin: 0.6rem 0 0;
    padding-left: 1.25rem;
}

.blog-post-content blockquote {
    margin: 2.25rem 0;
    padding: 0.35rem 0 0.35rem 1.6rem;
    border-left: 1px solid var(--ember);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 380;
    font-size: 1.2rem;
    line-height: 1.55;
    color: var(--muted);
}
.blog-post-content blockquote p {
    margin-bottom: 0;
    line-height: inherit;
}
.blog-post-content blockquote p + p { margin-top: 1rem; }

.blog-post-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--paper-deep);
    border: 1px solid var(--ink-border);
    border-radius: var(--radius);
    padding: 0.12em 0.45em;
}
.blog-post-content pre {
    margin: 0 0 1.6rem;
    padding: 1.4rem 1.6rem;
    background: var(--paper-deep);
    border: 1px solid var(--ink-border);
    border-radius: var(--radius);
    overflow-x: auto;
}
.blog-post-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.7;
}

.blog-post-content a,
.blog-post-content a.blog-content-link {
    color: var(--ember);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 0.25s var(--ease-out);
}
.blog-post-content a:hover,
.blog-post-content a.blog-content-link:hover { color: var(--ink); }

.blog-post-content img {
    margin: 2rem 0;
    border: 1px solid var(--ink-border);
    border-radius: var(--radius);
}

.blog-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: var(--text-small);
}
.blog-post-content th,
.blog-post-content td {
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--ink-border);
    text-align: left;
    vertical-align: top;
}
.blog-post-content th {
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    border-bottom: 1px solid var(--ink-border-strong);
}

.blog-post-content hr {
    border: none;
    border-top: 1px solid var(--ink-border);
    margin: 2.75rem 0;
}

/* ----- Post footer / author (injected) ----- */
.blog-post-footer {
    margin-top: clamp(2.5rem, 6vw, 3.5rem);
    padding-top: 2rem;
    border-top: 1px solid var(--ink-border);
}
.author-info h4 {
    font-family: var(--font-display);
    font-weight: 460;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.35rem;
    color: var(--ink);
}
.author-info p {
    margin: 0;
    font-size: var(--text-small);
    color: var(--muted);
}

/* ----- Related posts ----- */
.related-section h2 { margin-bottom: clamp(2rem, 5vw, 3rem); }

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.25rem, 2.5vw, 2rem);
}
/* "No related posts" fallback injected by blog-loader */
.related-grid > p {
    grid-column: 1 / -1;
    font-family: var(--font-mono);
    font-size: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.related-post-card {
    background: var(--paper);
    border: 1px solid var(--ink-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: transform 0.4s var(--ease-out),
                border-color 0.4s var(--ease-out),
                box-shadow 0.4s var(--ease-out);
}
.related-post-card:hover {
    transform: translateY(-6px);
    border-color: var(--ink-border-strong);
    box-shadow: 0 24px 48px -24px rgba(19, 18, 16, 0.28);
}
.related-post-card h4 {
    font-family: var(--font-display);
    font-weight: 460;
    font-size: 1.2rem;
    line-height: 1.3;
    letter-spacing: -0.015em;
    margin-bottom: 0.75rem;
}
.related-post-card h4 a {
    text-decoration: none;
    color: var(--ink);
    transition: color 0.25s var(--ease-out);
}
.related-post-card h4 a:hover { color: var(--ember); }
.related-post-card p {
    margin: 0;
    font-size: var(--text-small);
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ----- CTA band ----- */
.cta-band__headline {
    font-size: var(--text-h1);
    max-width: 16ch;
    margin: 1.25rem auto;
}
.cta-band__sub {
    max-width: 52ch;
    margin: 0 auto 2.5rem;
    color: var(--muted-dark);
}

/* ----- Responsive ----- */
@media (max-width: 991px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .related-grid { grid-template-columns: 1fr; }
    .blog-post-content blockquote { font-size: 1.1rem; padding-left: 1.25rem; }
    .blog-post-content pre { padding: 1.1rem 1.2rem; }
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
    #blog-detail-container .loading,
    .related-grid .loading { animation: none; }
}