/* ============================================================
   ALYRIAZ — Styles article
   ============================================================ */

/* ── Progress bar ───────────────────────────────────────────── */
#reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
  width: 0%;
  z-index: 9000;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--accent);
}

/* ── Article hero ───────────────────────────────────────────── */
.article-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(4,4,12,0.85) 70%, var(--bg) 100%);
  pointer-events: none;
}

.article-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.2;
}

.article-hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px) 60px;
  width: 100%;
  animation: fadeUp 0.7s ease forwards;
}

.article-hero-content .category-badge {
  font-size: 0.75rem;
  margin-bottom: 18px;
  display: inline-block;
}

.article-page-title {
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
}

.article-page-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: rgba(241, 245, 249, 0.7);
  line-height: 1.55;
  margin-bottom: 28px;
  max-width: 640px;
}

.article-page-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ── Article body layout ────────────────────────────────────── */
.article-layout {
  max-width: 880px;
  margin: 60px auto 0;
  padding: 0 clamp(16px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr min(640px, 100%) 1fr;
}
.article-layout > * {
  grid-column: 2;
}
.article-full-width {
  grid-column: 1 / -1;
}

/* ── Article content typography ─────────────────────────────── */
.article-content {
  font-size: 1.08rem;
  line-height: 1.85;
  color: rgba(241, 245, 249, 0.88);
  padding-bottom: 60px;
}

.article-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  margin: 56px 0 20px;
  letter-spacing: -0.02em;
  color: var(--text);
  padding-top: 8px;
  position: relative;
}
.article-content h2::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2));
  border-radius: 2px;
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 36px 0 14px;
  color: var(--text);
}

.article-content p {
  margin-bottom: 20px;
}

.article-content strong {
  color: var(--text);
  font-weight: 700;
}

.article-content em {
  color: var(--accent2);
  font-style: italic;
}

.article-content a {
  color: var(--accent2);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}
.article-content a:hover { opacity: 0.75; }

.article-content ul, .article-content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-content li { margin-bottom: 8px; }

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent2);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.article-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  overflow-x: auto;
  margin: 28px 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--accent2);
}
.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--accent);
  background: rgba(124, 58, 237, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.05em;
  color: rgba(241, 245, 249, 0.8);
  font-style: italic;
}

/* ── Callout ─────────────────────────────────────────────────── */
.article-callout {
  margin: 32px 0;
  padding: 24px 28px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.7;
}
.article-callout strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.article-callout code {
  display: block;
  font-size: 0.88em;
  color: var(--accent2);
  margin: 8px 0;
}
.article-callout span { color: var(--muted); font-size: 0.82em; }

.article-callout.accent2 {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.25);
}
.article-callout.accent2 strong { color: var(--accent2); }

/* ── Article footer ─────────────────────────────────────────── */
.article-footer-section {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px) 80px;
}

.article-tags-section {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* ── Related articles ───────────────────────────────────────── */
.related-section h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
#related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ── Back link ───────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  padding: 10px 0;
  transition: color 0.2s, gap 0.2s;
  margin-bottom: 40px;
  padding-top: 40px;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px clamp(16px, 4vw, 48px) 0;
  display: flex;
}
.back-link:hover { color: var(--text); gap: 12px; }

@media (max-width: 768px) {
  .article-content h2::before { display: none; }
  #related-grid { grid-template-columns: 1fr; }
}