/* ============================================
   BLOG / INSIGHTS STYLES – CHS Intl
   Shared by insights.html and all blog article pages
============================================ */

/* ============================================
   ARTICLE HEADER
============================================ */
.article-header {
  background: var(--bg-dark);
  border-bottom: 3px solid var(--accent);
  padding: 7rem 3.2rem 5rem;
  position: relative;
  overflow: hidden;
}
.article-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(6,14,23,0.96) 0%, rgba(0,176,212,0.06) 100%);
}
.article-header__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}
.article-header__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.6rem;
}
.article-header__tag::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 2px;
  background: var(--accent);
}
.article-header h1 {
  font-size: clamp(2.8rem, 4.5vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.6rem;
}
.article-header__lead {
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--text-on-dark-muted);
  line-height: 1.65;
  margin-bottom: 2.4rem;
  max-width: 640px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
  font-size: 1.3rem;
  color: var(--text-on-dark-muted);
}
.article-meta__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.article-meta__item i { color: var(--accent); font-size: 1.1rem; }

/* ============================================
   ARTICLE LAYOUT
============================================ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4.8rem;
  align-items: start;
}
@media (min-width: 900px) {
  .article-layout { grid-template-columns: 1fr 300px; }
}

/* ============================================
   ARTICLE BODY
============================================ */
.article-body h2 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 3.6rem 0 1rem;
  padding-top: 3.2rem;
  border-top: 1px solid var(--border);
  line-height: 1.25;
}
.article-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}
.article-body h3 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2.4rem 0 0.8rem;
}
.article-body p {
  font-size: 1.65rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.4rem;
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1.8rem 2.4rem;
}
.article-body li {
  font-size: 1.6rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.6rem;
}
.article-body strong { color: var(--text-primary); }
.article-body em { color: var(--text-primary); font-style: italic; }
.article-body a { color: var(--accent); }
.article-body a:hover { color: var(--accent-dark); }

/* Callout / highlight box */
.callout {
  margin: 2.4rem 0;
  padding: 2rem 2.4rem;
  background: var(--accent-dim);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-card);
}
.callout p {
  font-size: 1.6rem;
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
  line-height: 1.65;
}
.callout p + p {
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 0.6rem;
}

/* Comparison table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0 2.8rem;
  font-size: 1.45rem;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table th {
  background: var(--bg-dark);
  color: #fff;
  font-weight: 700;
  padding: 1.2rem 1.8rem;
  text-align: left;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
}
.compare-table th:first-child { border-right: 1px solid rgba(255,255,255,0.1); }
.compare-table td {
  padding: 1.2rem 1.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.6;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: var(--bg-off); }
.compare-table td:first-child {
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  border-right: 1px solid var(--border);
}

/* Key takeaway strip at bottom of article */
.takeaway-strip {
  margin: 3.2rem 0 0;
  padding: 2.8rem 3.2rem;
  background: var(--bg-dark);
  border-radius: var(--radius-card);
  border-top: 3px solid var(--accent);
}
.takeaway-strip__title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.takeaway-strip ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.takeaway-strip li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.5rem;
  color: var(--text-on-dark-muted);
  line-height: 1.6;
  margin: 0;
}
.takeaway-strip li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.3em;
}

/* ============================================
   ARTICLE SIDEBAR
============================================ */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}
.article-sidebar-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-card);
  padding: 2.4rem;
}
.article-sidebar-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.article-sidebar-cta {
  background: var(--bg-dark);
  border-radius: var(--radius-card);
  padding: 2.8rem 2.4rem;
  text-align: center;
}
.article-sidebar-cta__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}
.article-sidebar-cta__text {
  font-size: 1.4rem;
  color: var(--text-on-dark-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.article-sidebar-cta .btn { width: 100%; justify-content: center; }
.article-sidebar-cta .btn + .btn { margin-top: 0.8rem; }

/* More articles list */
.more-articles {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.more-articles li { margin: 0; }
.more-articles a {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.2rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background .15s;
}
.more-articles a:hover { background: var(--accent-dim); }
.more-articles__tag {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.more-articles__title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ============================================
   INSIGHTS HUB PAGE
============================================ */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.8rem;
  margin-top: 3.6rem;
}
@media (min-width: 640px) { .insights-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .insights-grid { grid-template-columns: repeat(3, 1fr); } }

/* Featured article (spans full width) */
.article-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  transition: box-shadow .2s, transform .2s;
  text-decoration: none;
}
@media (min-width: 700px) {
  .article-card--featured { grid-template-columns: 1.2fr 1fr; }
}
.article-card--featured:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.article-card--featured .article-card__img {
  width: 100%;
  height: 28rem;
  object-fit: cover;
  border-right: 3px solid var(--accent);
}
.article-card--featured .article-card__body {
  padding: 3.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-card--featured .article-card__title {
  font-size: 2.2rem;
}

/* Standard article card */
.article-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-white);
  transition: box-shadow .2s, transform .2s;
  text-decoration: none;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.article-card__img {
  width: 100%;
  height: 20rem;
  object-fit: cover;
  border-bottom: 3px solid var(--accent);
}
.article-card__body {
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.article-card__tag {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.article-card__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 0.8rem;
}
.article-card__excerpt {
  font-size: 1.45rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.6rem;
}
.article-card__meta {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: 1.2rem;
  color: var(--text-muted);
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-card__meta i { color: var(--accent); }