/* Blog pages — matches theme.css variables (--bg, --accent, --fg-muted, etc.) */

/* ─── Blog nav (shared across blog pages) ─────────────── */
.blog-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.blog-nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.05em;
}
.blog-nav-links {
  display: flex;
  gap: 28px;
}
.blog-nav-links a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-nav-links a:hover { color: var(--accent); }

/* ─── Blog index ─────────────────────────────────────── */
.blog-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 40px 80px;
}

.blog-header { text-align: center; margin-bottom: 48px; }

.blog-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--border);
  display: inline-block;
  padding: 6px 16px;
  margin-bottom: 20px;
  background: var(--bg-surface);
}

.blog-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 16px;
}

.blog-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-chip {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 6px 18px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.filter-chip:hover,
.filter-chip.active {
  color: var(--accent);
  border-color: var(--accent);
}

.blog-empty {
  text-align: center;
  color: var(--fg-muted);
  padding: 60px 0;
  font-size: 1rem;
}
.blog-empty a { color: var(--accent); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  display: block;
  transition: border-color 0.2s, transform 0.2s;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-img {
  height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-surface);
}
.card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-img-icon { font-size: 2rem; color: var(--fg-muted); }

.card-body { padding: 20px; }

.card-cat {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  line-height: 1.3;
}

.card-excerpt {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  display: flex;
  gap: 6px;
}
.card-sep { color: var(--border); }

/* ─── Single post ─────────────────────────────────────── */
.post-wrap {
  max-width: 740px;
  margin: 0 auto;
  padding: 60px 40px 80px;
}

.post-hero {
  height: 380px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-surface);
  margin-bottom: 48px;
  border: 1px solid var(--border);
}

.post-header { margin-bottom: 40px; }

.back-link {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

.post-cat {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.15;
  margin-bottom: 20px;
}

.post-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.byline-sep { color: var(--border); }
.post-author { color: var(--fg); }

/* ─── Post body (markdown rendered) ───────────────────── */
.post-body {
  color: var(--fg);
  line-height: 1.75;
  font-size: 1.05rem;
  border-top: 1px solid var(--border);
  padding-top: 36px;
  margin-bottom: 40px;
}

.post-body h1, .post-body h2, .post-body h3, .post-body h4 {
  font-family: var(--font-display);
  color: var(--fg);
  margin: 1.8em 0 0.6em;
  line-height: 1.2;
}
.post-body h2 { font-size: 1.6rem; }
.post-body h3 { font-size: 1.25rem; }

.post-body p { margin-bottom: 1.2em; }

.post-body a { color: var(--accent); text-decoration: underline; }

.post-body ul, .post-body ol {
  padding-left: 24px;
  margin-bottom: 1.2em;
}
.post-body li { margin-bottom: 0.4em; }

.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  background: var(--bg-card);
  margin: 1.5em 0;
  color: var(--fg-muted);
  font-style: italic;
}

.post-body code {
  font-family: 'Courier New', monospace;
  background: var(--bg-surface);
  padding: 2px 6px;
  font-size: 0.9em;
  color: var(--accent);
}

.post-body pre {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 1.2em;
}
.post-body pre code { background: none; padding: 0; color: var(--fg); }

.post-body strong { color: var(--fg); }
.post-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

/* ─── Share bar ───────────────────────────────────────── */
.share-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 56px;
}

.share-btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 8px 20px;
  text-decoration: none;
  background: none;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  display: inline-block;
}
.share-btn:hover { color: var(--accent); border-color: var(--accent); }
.share-twitter:hover { color: #1da1f2; border-color: #1da1f2; }

/* ─── Related posts ───────────────────────────────────── */
.related-posts {
  border-top: 1px solid var(--border);
  padding-top: 40px;
  margin-bottom: 48px;
}

.related-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  display: block;
  transition: border-color 0.2s;
}
.related-card:hover { border-color: var(--accent); }

.related-img {
  height: 110px;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-surface);
}

.related-body { padding: 14px; }

.related-cat {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}

.related-card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 8px;
}

.related-date {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* ─── CTA card ─────────────────────────────────────────── */
.post-cta-card {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  padding: 36px;
  text-align: center;
}

.post-cta-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.post-cta-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.cta-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--bg);
  background: var(--accent);
  padding: 12px 28px;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}
.cta-link:hover { opacity: 0.85; }

/* ─── Subscribe card (under post body) ──────────────── */
.post-subscribe-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 36px;
  text-align: center;
  margin-top: 32px;
}

.subscribe-heading {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.subscribe-sub {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.subscribe-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 16px;
  font-size: 0.9rem;
  width: 260px;
  max-width: 100%;
  outline: none;
  transition: border-color 0.2s;
}
.subscribe-input:focus { border-color: var(--accent); }

.subscribe-btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 10px 24px;
  cursor: pointer;
  transition: opacity 0.2s;
  font-weight: 600;
}
.subscribe-btn:hover { opacity: 0.85; }

.subscribe-success {
  color: var(--accent);
  font-size: 0.95rem;
  padding: 8px 0;
}

/* ─── Blog teaser (homepage footer section) ──────────── */
.blog-teaser {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px;
}

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

.teaser-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.teaser-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.teaser-all-link {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.teaser-all-link:hover { color: var(--accent); }

.teaser-posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.teaser-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  transition: border-color 0.2s;
}
.teaser-card:hover { border-color: var(--accent); }

.teaser-cat {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.teaser-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}

.teaser-date {
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ─── 404 ─────────────────────────────────────────────── */
.not-found {
  max-width: 500px;
  margin: 120px auto;
  text-align: center;
  padding: 0 40px;
}
.not-found h1 { font-family: var(--font-display); font-size: 5rem; color: var(--accent); margin-bottom: 16px; }
.not-found p { color: var(--fg-muted); margin-bottom: 32px; }
.not-found a { color: var(--accent); }