/* ════════════════════════════════════════════════
   GeXOn AI — Blog listing + post detail styles
   Small, purpose-specific stylesheet (like print.css) —
   loaded unminified directly by blog.html. Reuses the
   design tokens defined in main.css (--navy-800, --teal-500,
   --space-*, --radius-*, --text-*, etc.), no new tokens.
   ════════════════════════════════════════════════ */

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

@media (min-width: 700px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
}

.blog-empty {
  text-align: center;
  /* --color-text-muted is 2.97:1 here — fails WCAG 4.5:1. */
  color: var(--color-text-secondary);
  padding: var(--space-16) var(--space-4);
  grid-column: 1 / -1;
}

.blog-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.blog-card__cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--grey-100);
  display: block;
}

.blog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__badge-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.blog-card__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: rgba(61, 213, 160, 0.12);
  color: var(--teal-700, #237659);
}

.blog-card__badge--event {
  background: rgba(30, 43, 94, 0.08);
  color: var(--navy-700);
}

.blog-card__date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.blog-card h3 {
  font-size: var(--text-xl);
  margin: 0 0 var(--space-2);
  color: var(--navy-800);
}

.blog-card__excerpt {
  flex: 1;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__cta {
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

/* ── Detail view ───────────────────────────────── */
.blog-detail__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  font-weight: var(--font-weight-semibold);
}

.blog-detail__cover {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
}

.blog-detail__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.blog-detail__event-box {
  background: var(--grey-50);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-8);
}

.blog-detail__event-box dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
}

.blog-detail__event-box dd {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--navy-800);
}

.blog-detail__event-box dd:last-child { margin-bottom: 0; }

.blog-detail__body {
  max-width: 760px;
  line-height: 1.75;
  font-size: var(--text-lg);
}

.blog-detail__body p { margin: 0 0 var(--space-5); }
.blog-detail__body h2, .blog-detail__body h3, .blog-detail__body h4 {
  color: var(--navy-800);
  margin: var(--space-8) 0 var(--space-3);
}
.blog-detail__body ul, .blog-detail__body ol { margin: 0 0 var(--space-5); padding-left: 1.4em; }
.blog-detail__body blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 3px solid var(--color-accent);
  background: var(--grey-50);
  font-style: italic;
  color: var(--grey-700);
}
.blog-detail__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-4) 0;
}
.blog-detail__body pre {
  background: var(--navy-900, #0D1520);
  color: #e2e8f0;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
}
.blog-detail__body code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--grey-100);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}
.blog-detail__body pre code { background: none; padding: 0; }

/* ── Related posts ──────────────────────────────── */
.blog-detail__related {
  max-width: 760px;
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.blog-detail__related-heading {
  font-size: var(--text-xl);
  color: var(--navy-800);
  margin: 0 0 var(--space-5);
}

.blog-detail__related .blog-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ── Carousel ───────────────────────────────────── */
.blog-carousel {
  position: relative;
  margin: var(--space-8) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grey-100);
  touch-action: pan-y;
}

.blog-carousel__track {
  display: flex;
  transition: transform 0.35s ease;
}

.blog-carousel__track img {
  flex: 0 0 100%;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
}

.blog-carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(13, 21, 32, 0.55);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-carousel__nav--prev { left: var(--space-3); }
.blog-carousel__nav--next { right: var(--space-3); }

.blog-carousel__dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
}

.blog-carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  padding: 0;
  cursor: pointer;
}

.blog-carousel__dot.active { background: #fff; }

/* ── Video embed ───────────────────────────────── */
.blog-video {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  margin: var(--space-8) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
}

.blog-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}