/* ── Blog index ── */
.blog-index {
  max-width: 720px;
  margin: 0 auto;
  padding: 8rem 1.5rem 4rem;
}

.blog-header {
  margin-bottom: 3rem;
}

.blog-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.blog-header-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.blog-card {
  display: block;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.blog-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.blog-card-date {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.blog-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Blog post ── */
.blog-post {
  max-width: 760px;
  margin: 5rem auto 0;
  padding: 2rem 2rem 4rem;
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  height: fit-content;
  min-height: 0;
}

.blog-post h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.blog-post .post-meta {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.blog-post h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.blog-post h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.blog-post p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

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

.blog-post ul, .blog-post ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.blog-post li {
  margin-bottom: 0.4rem;
}

.blog-post a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.blog-post a:hover {
  opacity: 0.8;
}

.blog-post hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}