/* ── Blog hero ──────────────────────────────────────────────── */
.blog-hero {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}
.blog-hero-title {
  font-size: clamp(1.8rem, 2.5vw + 1rem, 2.4rem);
  margin: 0.25rem 0 0.75rem;
}
.blog-hero-lede {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 38rem;
  line-height: 1.7;
  margin: 0;
}

/* ── Filter bar ─────────────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.blog-filter-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.blog-filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}
.blog-filter-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Blog grid ──────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding-bottom: 3rem;
}

/* ── Blog card ──────────────────────────────────────────────── */
.blog-card {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.95));
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.blog-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-3px);
}
.blog-card[hidden] {
  display: none;
}

/* Card image / placeholder */
.blog-card-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-alt);
}
.blog-card-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.12), transparent 70%);
}

/* Card body */
.blog-card-body {
  padding: 1.25rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-body .badge {
  align-self: flex-start;
  margin-bottom: 0.6rem;
}
.blog-card-title {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}
.blog-card-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s ease;
}
.blog-card-title a:hover {
  color: var(--accent);
}
.blog-coming-soon {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-subtle, rgba(255,255,255,0.1));
  border-radius: 3px;
  padding: 0.1em 0.4em;
  vertical-align: middle;
  margin-left: 0.4em;
}
.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 auto;
  padding-bottom: 0.75rem;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

/* ── No results message ─────────────────────────────────────── */
.blog-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.blog-no-results[hidden] {
  display: none;
}

/* ── Blog post single ───────────────────────────────────────── */
.blog-post-header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}
.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.75rem;
}
.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.blog-post-body {
  padding-bottom: 3rem;
}
.blog-post-body .prose {
  max-width: 720px;
}
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 1rem;
  transition: color 0.15s ease;
}
.blog-back-link:hover {
  color: var(--text);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .blog-hero {
    padding: 2rem 0 1.25rem;
  }
  .blog-hero-title {
    font-size: 1.5rem;
  }
  .blog-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .blog-filters {
    gap: 0.4rem;
  }
  .blog-filter-btn {
    font-size: 0.78rem;
    padding: 0.35rem 0.8rem;
  }
}