/* ============================================================================
   AQLO LABS — Blog Styles
   Extends the main design token system from style.css
   ========================================================================== */

/* ── Blog Layout ─────────────────────────────────────────────────────────── */
.blog-page {
  padding-top: calc(var(--header-height) + 3rem);
  min-height: 100vh;
}

.blog-container {
  max-width: var(--sc-maxw);
  margin: 0 auto;
  padding: 0 var(--sc-gutter);
}

/* ── Blog Header / Hero ──────────────────────────────────────────────────── */
.blog-hero {
  padding: clamp(2rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--sc-border);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.blog-hero-eyebrow {
  font-family: var(--sc-font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--sc-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.blog-hero-title {
  font-family: var(--sc-font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: var(--sc-track-tight);
  line-height: 1.1;
  color: var(--sc-ink);
  margin: 0 0 1rem;
  max-width: 28ch;
}

.blog-hero-desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--sc-ink-soft);
  line-height: 1.65;
  max-width: 52ch;
  margin: 0;
}

/* ── Blog Grid (Listing) ────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1.75rem;
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.blog-card {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-spring),
              border-color var(--duration-normal),
              box-shadow var(--duration-normal);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--sc-border-strong);
  box-shadow: 0 12px 40px rgba(79, 117, 255, 0.1);
}

.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.blog-card-tag {
  font-family: var(--sc-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sc-accent);
  background: rgba(79, 117, 255, 0.12);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
}

.blog-card-tag--ai {
  color: var(--sc-accent-violet);
  background: rgba(139, 130, 255, 0.12);
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--sc-ink-dim);
}

.blog-card-title {
  font-family: var(--sc-font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: var(--sc-track-snug);
  line-height: 1.3;
  color: var(--sc-ink);
  margin: 0 0 0.65rem;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--sc-ink-soft);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.blog-card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--sc-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-card-read {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sc-accent);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.blog-card-read svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.blog-card:hover .blog-card-read svg {
  transform: translateX(3px);
}

.blog-card-time {
  font-size: 0.78rem;
  color: var(--sc-ink-dim);
}

/* ── Article Page ────────────────────────────────────────────────────────── */
.article-page {
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  min-height: 100vh;
}

.article-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--sc-gutter);
}

/* Article Header */
.article-header {
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--sc-border);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sc-ink-soft);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color var(--duration-fast);
}

.article-back:hover {
  color: var(--sc-accent);
}

.article-back svg {
  width: 16px;
  height: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-tag {
  font-family: var(--sc-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sc-accent);
  background: rgba(79, 117, 255, 0.12);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.article-tag--ai {
  color: var(--sc-accent-violet);
  background: rgba(139, 130, 255, 0.12);
}

.article-date {
  font-size: 0.82rem;
  color: var(--sc-ink-dim);
}

.article-reading-time {
  font-size: 0.82rem;
  color: var(--sc-ink-dim);
}

.article-title {
  font-family: var(--sc-font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: var(--sc-track-tight);
  line-height: 1.12;
  color: var(--sc-ink);
  margin: 0 0 1rem;
}

.article-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--sc-ink-soft);
  line-height: 1.65;
  margin: 0;
  max-width: 52ch;
}

/* Article Author */
.article-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--sc-border);
}

.article-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sc-accent), var(--sc-accent-violet));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sc-font-display);
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
}

.article-author-info {
  display: flex;
  flex-direction: column;
}

.article-author-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--sc-ink);
}

.article-author-role {
  font-size: 0.78rem;
  color: var(--sc-ink-dim);
}

/* ── Article Body (Prose) ────────────────────────────────────────────────── */
.article-body {
  font-size: clamp(1rem, 1.8vw, 1.08rem);
  color: var(--sc-ink-soft);
  line-height: 1.78;
}

.article-body h2 {
  font-family: var(--sc-font-display);
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: var(--sc-track-snug);
  color: var(--sc-ink);
  margin: 2.5rem 0 1rem;
  line-height: 1.25;
}

.article-body h3 {
  font-family: var(--sc-font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  color: var(--sc-ink);
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}

.article-body p {
  margin: 0 0 1.35rem;
}

.article-body strong {
  color: var(--sc-ink);
  font-weight: 600;
}

.article-body a {
  color: var(--sc-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-fast);
}

.article-body a:hover {
  color: var(--sc-accent-hover);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.35rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  margin: 1.75rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--sc-surface);
  border-left: 3px solid var(--sc-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--sc-ink);
}

.article-body blockquote p {
  margin: 0;
}

.article-body code {
  font-family: var(--sc-font-mono);
  font-size: 0.88em;
  background: var(--sc-surface-elevated);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--sc-accent-violet);
}

.article-body pre {
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.7;
}

.article-body hr {
  border: none;
  height: 1px;
  background: var(--sc-border);
  margin: 2.5rem 0;
}

/* ── CTA Banner (end of article) ─────────────────────────────────────────── */
.article-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.article-cta-title {
  font-family: var(--sc-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sc-ink);
  margin: 0 0 0.5rem;
}

.article-cta-desc {
  font-size: 0.95rem;
  color: var(--sc-ink-soft);
  margin: 0 0 1.25rem;
  max-width: 42ch;
  margin-inline: auto;
}

/* ── Related Posts ───────────────────────────────────────────────────────── */
.related-posts {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--sc-border);
}

.related-posts-title {
  font-family: var(--sc-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--sc-ink);
  margin: 0 0 1.25rem;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
}

.related-post-link {
  display: block;
  padding: 1.25rem;
  background: var(--sc-surface);
  border: 1px solid var(--sc-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color var(--duration-fast), transform var(--duration-fast) var(--ease-spring);
}

.related-post-link:hover {
  border-color: var(--sc-border-strong);
  transform: translateY(-2px);
}

.related-post-link h4 {
  font-family: var(--sc-font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--sc-ink);
  margin: 0 0 0.35rem;
  line-height: 1.35;
}

.related-post-link span {
  font-size: 0.78rem;
  color: var(--sc-ink-dim);
}

/* ── Claude Partner Badge ────────────────────────────────────────────────── */
.partner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--sc-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d4a574;
  background: rgba(212, 165, 116, 0.1);
  border: 1px solid rgba(212, 165, 116, 0.2);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.partner-badge svg {
  width: 12px;
  height: 12px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-card-body {
    padding: 1.25rem;
  }

  .article-container {
    padding: 0 1.25rem;
  }
}