/* ============================================
   GEOTHERMAL INSIDER — Article Page Styles
   Layered on top of global.css
   ============================================ */

.article-hero {
  background: radial-gradient(ellipse at center bottom, var(--dark-lighter) 0%, var(--dark) 70%);
  color: var(--text-on-dark);
  padding: 64px 0 48px;
}

.article-hero .label {
  color: var(--accent-light);
}

.article-hero h1 {
  color: var(--text-on-dark);
  font-size: 2.75rem;
  max-width: 800px;
  text-transform: none;
  line-height: 1.2;
}

.article-hero .article-byline {
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
  margin-top: 16px;
}

.article-hero .article-byline span {
  margin-right: 16px;
}

/* Article Body */
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-body h2 {
  font-size: 1.75rem;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 16px;
}

.article-body h3 {
  font-size: 1.3rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 20px;
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: var(--accent-hover);
}

/* Lists in articles */
.article-body ul, .article-body ol {
  margin: 16px 0 24px 24px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
}

.article-body li {
  margin-bottom: 8px;
}

/* Blockquotes — for citing sources */
.article-body blockquote {
  border-left: 4px solid var(--accent);
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--cream);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
}

.article-body blockquote cite,
.article-body blockquote .source {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

/* Callout boxes */
.callout {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 32px 0;
  border: 1px solid rgba(0,0,0,0.05);
}

.callout-accent {
  border-left: 4px solid var(--accent);
  background: var(--cream);
}

.callout h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.callout p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Key stats inline */
.stat-highlight {
  display: inline-block;
  background: var(--dark);
  color: var(--accent);
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.95em;
}

/* Table of contents */
.toc {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 0 0 40px;
}

.toc h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
}

.toc li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.toc a {
  color: var(--text-body);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}

/* Sources section */
.sources {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.sources h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}

.sources ol {
  padding-left: 20px;
}

.sources li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.sources a {
  color: var(--text-muted);
}

.sources a:hover {
  color: var(--accent);
}

/* Related articles */
.related-articles {
  padding: 64px 0;
  background: var(--cream);
}

.related-articles .section-title {
  margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 768px) {
  .article-hero h1 { font-size: 1.85rem; }
  .article-body { padding: 32px 16px 48px; }
  .article-body h2 { font-size: 1.5rem; }
  .article-body p { font-size: 1rem; }
}