/* ============================================================
   Know First — blog.css
   Supplements styles.css for blog article and listing pages.
   All values use tokens defined in styles.css.
   Follows the same 4px grid, one-radius, no-gradient rules.
   ============================================================ */

/* ── Blog article layout ─────────────────────────────────────── */

.blog-article {
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.blog-article .container {
  max-width: 720px;
}

/* ── Blog header ─────────────────────────────────────────────── */

.blog-breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

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

.blog-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.blog-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

/* ── Blog body (prose) ───────────────────────────────────────── */

.blog-body {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
}

.blog-body p {
  margin-bottom: 1.25rem;
  color: var(--text);
}

.blog-body h2 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
  line-height: 1.25;
}

.blog-body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.625rem;
  line-height: 1.3;
}

.blog-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(94, 234, 212, 0.4);
  transition: color var(--transition), text-decoration-color var(--transition);
}
.blog-body a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
}

.blog-body strong {
  font-weight: 700;
  color: var(--text);
}

.blog-body em {
  font-style: italic;
  color: var(--text-muted);
}

.blog-body ul,
.blog-body ol {
  list-style: revert;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.blog-body li {
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.65;
}

.blog-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: 2rem;
}

.blog-body blockquote {
  border-left: 3px solid var(--accent);
  margin-left: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-style: italic;
}

.blog-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.125em 0.375em;
}

.blog-body pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.blog-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
}

/* ── Blog post footer ────────────────────────────────────────── */

.blog-post-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.blog-disclaimer {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.blog-back a {
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.blog-back a:hover { color: var(--text); }

/* ── Blog listing ────────────────────────────────────────────── */

.blog-listing {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.blog-listing-header {
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.blog-listing-header h1 {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.blog-listing-sub {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

/* ── Post cards ──────────────────────────────────────────────── */

.post-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-card {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}

.post-card:last-child {
  border-bottom: 1px solid var(--border);
}

.post-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.post-title {
  font-size: clamp(1.125rem, 3vw, 1.375rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 0.625rem;
}

.post-title a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}
.post-title a:hover { color: var(--accent); }

.post-description {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 62ch;
  margin-bottom: 0.875rem;
}

.post-read-more a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
.post-read-more a:hover { color: var(--accent-hover); }