/* =====================================================================
   blog-glass-2026.css — Blog listing (/blog) — Glass Lab Editorial port
   Ported from glass_lab_mockup_2026-05-25/pages/blog.html (LOCKED mock).
   Variables remapped to the --gle-* design tokens defined in
   glass-lab-editorial.css. Styles the bl-* markup of the blog page.
   NOTE: STATIC design only — dynamic Substack RSS + Notion wiring is a
   later step. Do NOT edit the legacy blog-2026.css; this is a new file.
   ===================================================================== */

/* ---------- Article grid ---------- */
.bl-articles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.bl-article {
  background: var(--gle-glass-bg);
  backdrop-filter: blur(var(--gle-glass-blur));
  -webkit-backdrop-filter: blur(var(--gle-glass-blur));
  border: 1px solid var(--gle-glass-border);
  border-radius: var(--gle-radius-card);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.4s var(--gle-ease), box-shadow 0.4s var(--gle-ease);
  display: flex;
  flex-direction: column;
}

.bl-article:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(102, 126, 234, 0.10);
}

.bl-article-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.bl-article-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--gle-ease);
}

.bl-article:hover .bl-article-img img {
  transform: scale(1.03);
}

.bl-article-img.bl-article-img-fallback {
  background: linear-gradient(135deg, var(--gle-violet-soft) 0%, var(--gle-mint) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--gle-font-jp);
  font-size: 5rem;
  color: rgba(255, 255, 255, 0.65);
}

.bl-article-body {
  padding: 1.5rem 1.75rem 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bl-article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--gle-font-mono);
  font-size: 0.74rem;
  color: var(--gle-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.bl-tag {
  padding: 0.25rem 0.7rem;
  background: var(--gle-violet-bg);
  color: var(--gle-violet);
  border-radius: 999px;
  font-weight: 600;
}

/* Category-specific tag accents (subtle — base style is violet) */
.bl-tag.tag-ia {
  background: var(--gle-violet-bg);
  color: var(--gle-violet);
}
.bl-tag.tag-invest {
  background: rgba(95, 184, 158, 0.14);
  color: var(--gle-mint-deep);
}
.bl-tag.tag-tech {
  background: rgba(102, 126, 234, 0.10);
  color: var(--gle-violet-deep);
}
.bl-tag.tag-bulle {
  background: rgba(255, 196, 160, 0.18);
  color: var(--gle-peach);
}

.bl-article-title {
  font-family: var(--gle-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  color: var(--gle-primary);
}

.bl-article-excerpt {
  color: var(--gle-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bl-article-cta {
  font-family: var(--gle-font-mono);
  font-size: 0.78rem;
  color: var(--gle-violet);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- Category filter bar ---------- */
.bl-filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 2rem 0 3rem;
}

.bl-filter {
  padding: 0.55rem 1.1rem;
  background: var(--gle-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--gle-glass-border);
  border-radius: 999px;
  font-family: var(--gle-font-mono);
  font-size: 0.78rem;
  color: var(--gle-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.bl-filter:hover {
  border-color: var(--gle-violet);
  color: var(--gle-violet);
}

.bl-filter.active {
  background: var(--gle-primary);
  color: #f5f3ed;
  border-color: transparent;
}

/* ---------- Knowledge Garden references ---------- */
.bl-references {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.bl-ref {
  padding: 1.25rem 1.5rem;
  background: var(--gle-glass-bg-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--gle-glass-border);
  border-radius: 18px;
  transition: transform 0.3s var(--gle-ease);
  text-decoration: none;
  color: inherit;
  display: block;
}

.bl-ref:hover {
  transform: translateY(-2px);
}

.bl-ref-type {
  font-family: var(--gle-font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gle-mint-deep);
  margin-bottom: 0.5rem;
}

.bl-ref h4 {
  font-family: var(--gle-font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--gle-primary);
}

.bl-ref-author {
  font-family: var(--gle-font-accent);
  font-style: italic;
  color: var(--gle-muted);
  font-size: 0.85rem;
}

/* ---------- Responsive (preserved from mock) ---------- */
@media (max-width: 900px) {
  .bl-articles { grid-template-columns: 1fr; }
  .bl-references { grid-template-columns: 1fr; }
}