/* ========================================================================
   blog.css - layout + prose for the blog/*.html article pages
   Loads after base / components / animations / responsive.
   ======================================================================== */

.article {
  padding-top: clamp(2.5rem, 6vh, 4rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
}

.article-eyebrow { margin-bottom: var(--sp-3); }
.article-title {
  font-size: clamp(2.2rem, 1.4rem + 3.8vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  max-width: 22ch;
}
.article-meta {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.04em;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
}
.article-meta .am-date { color: var(--text-muted); }

.article-hero {
  margin: clamp(2rem, 5vw, 3.5rem) 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-2);
  aspect-ratio: 16 / 8;
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---- Prose column ---- */
.article-body {
  max-width: 44rem;
  margin: clamp(3rem, 7vw, 5rem) auto 0;
  padding-inline: var(--gutter);
  font-size: 1.1875rem;
  line-height: 1.78;
  color: var(--text-muted);
}
.article-body > p:first-child {
  font-size: 1.35rem;
  line-height: 1.6;
  color: var(--text);
}
.article-body p { margin-bottom: var(--sp-3); }
.article-body h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--text);
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 var(--sp-3);
}
.article-body h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin: var(--sp-4) 0 var(--sp-2);
}
.article-body a {
  color: var(--accent-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.article-body ul,
.article-body ol { margin: 0 0 var(--sp-3) 1.4rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body li::marker { color: var(--accent); }
.article-body strong { color: var(--text); }

.article-body blockquote {
  margin: var(--sp-4) 0;
  padding-left: var(--sp-3);
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
}

.article-body pre {
  margin: var(--sp-4) 0;
  padding: var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text);
}
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--text);
}
.article-body pre,
.article-body code {
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}
.article-body pre code { background: none; border: 0; padding: 0; font-size: inherit; }

.article-body hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: clamp(2.5rem, 5vw, 3.5rem) 0;
}

/* ---- Author card ---- */
.article-author {
  max-width: 44rem;
  margin: clamp(3.5rem, 7vw, 5rem) auto 0;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}
.article-author img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-strong);
  filter: grayscale(1);
  flex: none;
}
.article-author .aa-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.article-author .aa-role {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.article-author .aa-links {
  margin-top: 0.4rem;
  display: flex;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
}
.article-author .aa-links a { color: var(--text-dim); transition: color var(--dur) var(--ease); }
.article-author .aa-links a:hover { color: var(--accent-bright); }

/* ---- Prev / next ---- */
.article-nav {
  max-width: 44rem;
  margin: clamp(3rem, 7vw, 5rem) auto 0;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-strong);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.article-nav a { display: grid; gap: 0.4rem; padding: var(--sp-2) 0; }
.article-nav .an-dir {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.article-nav .an-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.article-nav .an-next { text-align: right; }
.article-nav a:hover .an-title { color: var(--accent-bright); }

/* ---- CTA ---- */
.article-cta {
  max-width: 44rem;
  margin: clamp(3.5rem, 8vw, 5.5rem) auto 0;
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
}
.article-cta h2 {
  font-size: clamp(1.7rem, 1.3rem + 2vw, 2.4rem);
  letter-spacing: -0.03em;
}
.article-cta p { margin-top: var(--sp-2); color: var(--text-muted); }
.article-cta .btn { margin-top: var(--sp-4); }

@media (max-width: 560px) {
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .an-next { text-align: left; }
  .article-author { flex-wrap: wrap; }
}