/* ===== BLOG HERO ===== */
.blog-hero {
  position: relative;
  padding: 160px 24px 80px;
  background: var(--gray-900);
  text-align: center;
  overflow: hidden;
}

.blog-hero-mesh {
  position: absolute;
  inset: -15%;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(42,90,74,0.25), transparent 50%),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(26,58,90,0.22), transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(42,90,74,0.08), transparent 60%);
  animation: meshFloat 12s ease-in-out infinite alternate;
}

@keyframes meshFloat {
  0% { transform: scale(1) translate(0, 0); }
  33% { transform: scale(1.05) translate(-10px, 15px); }
  66% { transform: scale(0.98) translate(10px, -10px); }
  100% { transform: scale(1.02) translate(-5px, 5px); }
}

.blog-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

.blog-hero-content {
  position: relative;
  z-index: 2;
}

.blog-hero .section-label {
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}

.blog-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease 0.1s forwards;
}

.blog-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.45);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease 0.25s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== BLOG INDEX CARDS ===== */
.blog-index {
  padding: 80px 24px 120px;
  background: var(--bg);
}

.blog-index-inner {
  max-width: 900px;
  margin: 0 auto;
}

.blog-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  margin-bottom: 24px;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  border-color: var(--border-hover);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.blog-card-meta .blog-meta-item {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.blog-card-meta .blog-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.blog-card-meta .blog-meta-pill {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-card h2 {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.blog-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.blog-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.blog-card-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.blog-card:hover .blog-card-arrow svg {
  transform: translateX(4px);
}

/* ===== BLOG ARTICLE ===== */
.blog-article {
  padding: 80px 24px 120px;
  background: var(--bg);
}

.blog-article-inner {
  max-width: 760px;
  margin: 0 auto;
}

/* Metadata bar */
.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.blog-meta-item {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.blog-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.blog-meta-pill {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Article title */
.blog-article-inner > h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

/* ===== BLOG PROSE ===== */
.blog-prose h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-top: 56px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.blog-prose h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-top: 32px;
  margin-bottom: 12px;
}

.blog-prose p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.blog-prose p strong {
  color: var(--text);
  font-weight: 600;
}

.blog-prose ul, .blog-prose ol {
  margin-bottom: 20px;
  padding-left: 0;
}

.blog-prose ul li, .blog-prose ol li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
  padding-left: 24px;
  position: relative;
}

.blog-prose ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.blog-prose ol {
  counter-reset: prose-counter;
}

.blog-prose ol li {
  counter-increment: prose-counter;
}

.blog-prose ol li::before {
  content: counter(prose-counter) '.';
  position: absolute;
  left: 0;
  font-weight: 600;
  color: var(--accent);
  font-size: 14px;
}

.blog-prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--accent-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-prose blockquote p {
  color: var(--text);
  font-style: italic;
  margin-bottom: 0;
}

.blog-prose a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.blog-prose a:hover { color: var(--text); }

/* Code blocks — terminal aesthetic */
.blog-prose pre {
  background: #0d1117;
  border-radius: 12px;
  overflow: hidden;
  margin: 28px 0;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.05);
}

.code-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #161b22;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }

.code-titlebar-text {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.blog-prose pre code {
  display: block;
  padding: 20px 24px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #e6edf3;
  overflow-x: auto;
}

.blog-prose pre code .comment { color: #8b949e; }
.blog-prose pre code .key { color: #79c0ff; }
.blog-prose pre code .string { color: #a5d6ff; }
.blog-prose pre code .value { color: #4ade80; }
.blog-prose pre code .tag { color: #ff7b72; }

/* Inline code */
.blog-prose code:not(pre code) {
  background: var(--surface);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 14px;
  color: var(--text);
  border: 1px solid var(--border);
}

/* ===== PARTS GRID ===== */
.blog-parts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.blog-part-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-part-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.blog-part-card .part-category {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.blog-part-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.blog-part-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Divider between sections */
.blog-divider {
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 56px 0;
}

/* Back link */
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-bottom: 32px;
  transition: color 0.2s ease;
}

.blog-back-link:hover { color: var(--accent); }

.blog-back-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.blog-back-link:hover svg { transform: translateX(-3px); }