/* =========================================================
   Blog — list + article
   ========================================================= */

.blog-hero {
  padding: 80px 0 32px;
  border-bottom: 1px solid var(--border);
}

.lang-switch {
  display: inline-flex; gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-top: 16px;
  background: var(--bg-elev-2);
}
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 48px; height: 30px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.06em;
  color: var(--text-muted);
}
.lang-switch a.is-active {
  background: var(--text); color: var(--on-accent);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.post-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.post-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.post-cover {
  aspect-ratio: 16 / 9;
  background: var(--bg-elev-2);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.post-cover img {
  width: 100%; height: 100%; object-fit: cover;
}
.post-card-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.post-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  padding: 3px 8px;
  border-radius: 6px;
  align-self: flex-start;
}
.post-card-title {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.post-card-sum {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}
.post-card-meta {
  margin-top: auto;
  display: flex; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------------- Article ---------------- */

.container-narrow {
  max-width: 760px;
}

.article {
  padding: 72px 0 96px;
}
.article-back {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 24px;
}
.article-back a:hover { color: var(--text); }

.article-title {
  font-size: clamp(30px, 4.6vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 8px 0 16px;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 32px;
}
.article-meta a { color: var(--accent); }
.article-cover {
  margin: 0 0 40px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
}
.article-cover img { width: 100%; display: block; }

.article-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
}
.article-body p {
  margin: 0 0 22px;
  color: var(--text);
}
.article-body strong { color: var(--text); font-weight: 600; }
.article-body em { color: var(--text); }
.article-body h2 {
  margin: 56px 0 18px;
  font-size: 26px;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.article-body h3 {
  margin: 40px 0 14px;
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.article-body h4 {
  margin: 32px 0 12px;
  font-size: 17px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}
.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
}
.article-body a:hover { text-decoration-color: var(--accent); }

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin: 0 0 22px;
  color: var(--text);
}
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--accent); }

.article-body hr {
  margin: 48px 0;
  border: none;
  border-top: 1px solid var(--border);
}

.article-body blockquote {
  margin: 0 0 22px;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev-2);
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-body blockquote p { margin: 0; }

.article-body img {
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 28px 0;
  display: block;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text);
}
.article-body pre {
  margin: 0 0 26px;
  padding: 18px 20px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

@media (max-width: 700px) {
  .blog-hero { padding: 56px 0 24px; }
  .article { padding: 48px 0 64px; }
}