/* ─────────────────────────────────────────────────────────────
   article.css — article page + Resources hub layout.
   Loads after site.css.
   ───────────────────────────────────────────────────────────── */

/* ── ARTICLE HEADER (page hero) ── */
.article-header {
  background: var(--bg-deep);
  padding: 7.5rem 2.5rem 5rem;
  position: relative;
  overflow: hidden;
}
.article-header::before {
  content: ''; position: absolute; top: -10%; right: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}
.article-header-inner {
  max-width: var(--max-w); margin: 0 auto;
  position: relative;
}
.article-kicker {
  display: inline-flex; align-items: center; gap: 0.7rem;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.7s ease both;
}
.article-kicker::before {
  content: ''; width: 32px; height: 1.5px; background: var(--accent);
}
.article-kicker span {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
}
.article-title {
  font-weight: 300;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 1.0; letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0;
  max-width: 900px;
  animation: fadeUp 0.7s ease 0.08s both;
}
.article-title .accent-italic {
  color: var(--accent);
  font-style: italic;
  font-weight: 300;
}
.article-subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  margin-top: 1.8rem;
  animation: fadeUp 0.7s ease 0.16s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── ARTICLE PROSE ── */
.article-body {
  padding: 4rem 2.5rem 5rem;
  max-width: 100%;
}
.prose {
  max-width: var(--measure);
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}
.prose > p {
  margin-bottom: 1.6rem;
}
.prose > p:first-of-type::first-line {
  /* subtle: leave normal — no drop-cap */
}
.prose strong {
  color: var(--text-primary);
  font-weight: 600;
}
.prose em { font-style: italic; }
.prose a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-border);
  transition: border-color 0.2s, color 0.2s;
}
.prose a:hover {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}
.prose h2 {
  font-weight: 400;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin: 3.5rem 0 1.4rem;
}

/* ── PULL QUOTE ── */
.pull-quote {
  margin: 3rem auto;
  padding: 1.6rem 0 1.6rem 1.8rem;
  border-left: 2px solid var(--accent);
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.4;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  max-width: var(--measure);
}

/* ── DIAGRAM FIGURE ── */
.article-figure {
  margin: 3.5rem auto;
  max-width: 880px;
}
.figure-scroll {
  /* Lets the SVG keep min-width on small screens; horizontal scroll instead of illegible shrink */
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1.5rem 0;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.figure-scroll svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
  margin: 0 auto;
  max-width: 820px;
}
.article-figure figcaption {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
  font-style: italic;
}

/* ── BYLINE ── */
.article-byline {
  max-width: var(--measure);
  margin: 4rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}
.article-byline strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ── ARTICLE CTA (subscribe / back to resources) ── */
.article-cta {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 2.5rem;
  text-align: center;
  position: relative;
}
.article-cta::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 480px; height: 480px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}
.article-cta-inner {
  max-width: 640px; margin: 0 auto; position: relative;
}
.article-cta h2 {
  font-weight: 300;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}
.article-cta p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
  line-height: 1.7;
}
.article-cta .article-cta-actions {
  display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap;
}

/* ── RESOURCES HUB ── */
.hub-hero {
  background: var(--bg-deep);
  padding: 9rem 2.5rem 4rem;
  position: relative;
  overflow: hidden;
}
.hub-hero::before {
  content: ''; position: absolute; top: -10%; right: -15%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}
.hub-hero-inner {
  max-width: var(--max-w); margin: 0 auto; position: relative;
}
.hub-hero h1 {
  font-weight: 300;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 860px;
  margin-bottom: 1.2rem;
}
.hub-hero h1 .accent { color: var(--accent); }
.hub-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.75;
}

.hub-list {
  padding: 3rem 2.5rem 6rem;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hub-list-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 1.6rem;
}
.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
.hub-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem 2rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}
.hub-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-border);
  transform: translateY(-2px);
}
.hub-card-meta {
  display: flex; gap: 0.8rem; align-items: center;
  font-size: 0.74rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 0.8rem;
}
.hub-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }
.hub-card h3 {
  font-weight: 400;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.hub-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.hub-card-cta {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
}
.hub-card:hover .hub-card-cta { color: var(--accent-light); }

.hub-empty-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 2rem;
  text-align: center;
  font-style: italic;
}

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .article-header { padding: 6.5rem 1.5rem 3.5rem; }
  .article-body { padding: 3rem 1.5rem 4rem; }
  .article-cta { padding: 3.5rem 1.5rem; }
  .hub-hero { padding: 7rem 1.5rem 3rem; }
  .hub-list { padding: 2rem 1.5rem 5rem; }
}
@media (max-width: 600px) {
  .article-header { padding: 6rem 1.25rem 3rem; }
  .article-title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .pull-quote { margin: 2.2rem auto; padding-left: 1.2rem; }
}