/* ═══════════════════════════════════════════════════════════
   INSIGHTS — listing + article template
   Loaded by: en/insights.html and en/insights/*.html
═══════════════════════════════════════════════════════════ */

/* ── Listing: hero ── */
.insights-hero {
  background: var(--warm-white);
  padding: 100px 0 72px;
  border-bottom: 1px solid var(--border-lt);
  position: relative;
  overflow: hidden;
}
.insights-hero .aurora-wrap { position: absolute; inset: 0; pointer-events: none; }
.insights-hero-inner { max-width: 680px; }
.insights-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.08;
  color: var(--text-2);
  margin: 16px 0 18px;
}
.insights-hero-desc {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-mid);
  max-width: 520px;
}

/* ── Listing: post grid ── */
.insights-section {
  background: var(--warm-white);
  padding: 72px 0 96px;
}
.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-lt);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 48px;
}
.insight-card {
  background: var(--warm-white);
  padding: 36px 36px 32px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: background .18s;
}
.insight-card:hover { background: var(--surface); }
.insight-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.insight-card-cat {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 8px;
}
.insight-card-cat::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--blue);
}
.insight-card-time {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.insight-card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.25;
  color: var(--text-2);
  margin: 0 0 12px;
}
.insight-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-mid);
  margin: 0 0 24px;
  flex-grow: 1;
}
.insight-card-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--blue);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.insight-card-link::after {
  content: '→';
}

/* ── Article: full-width container with narrow reading col ── */
.article-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── Article: hero ── */
.article-hero {
  background: var(--warm-white);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border-lt);
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.article-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 0;
  transition: color .18s;
}
.article-breadcrumb a:hover { color: var(--blue); }
.article-breadcrumb-sep { color: var(--border); }
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.article-cat {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-cat::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--blue);
}
.article-date,
.article-reading-time {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.article-meta-dot {
  width: 3px;
  height: 3px;
  background: var(--border);
  border-radius: 50%;
  flex-shrink: 0;
}
.article-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.08;
  color: var(--text-2);
  margin: 0 0 22px;
}
.article-subtitle {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-mid);
  font-weight: 400;
  margin: 0;
  border-left: 3px solid var(--border-lt);
  padding-left: 20px;
}

/* ── Article: body ── */
.article-body {
  padding: 64px 0 80px;
}
.article-body p {
  font-size: 17px;
  line-height: 1.78;
  color: var(--text-mid);
  margin: 0 0 26px;
}
.article-body p strong {
  color: var(--text-2);
  font-weight: 600;
}
.article-body p:last-child { margin-bottom: 0; }

/* Section headers — mono label style */
.article-body h2 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 56px 0 20px;
  padding-top: 48px;
  border-top: 1px solid var(--border-lt);
  display: flex;
  align-items: center;
  gap: 12px;
}
.article-body h2::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--border);
  flex-shrink: 0;
}

/* Sub-section heads */
.article-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text-2);
  margin: 36px 0 12px;
}

/* Pull quote / key callout */
.article-callout {
  background: var(--blue-tint);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin: 40px 0;
}
.article-callout p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
  font-style: italic;
}
.article-callout cite {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-top: 12px;
  font-style: normal;
}

/* Key stat boxes */
.article-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-lt);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 40px 0;
}
.article-stat {
  background: var(--warm-white);
  padding: 24px 22px;
}
.article-stat-val {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 6px;
}
.article-stat-label {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-muted);
}

/* Data table */
.article-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 40px 0;
  font-size: 14px;
}
.article-table th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface);
  padding: 12px 18px;
  text-align: left;
  font-weight: 400;
  border-bottom: 1px solid var(--border-lt);
}
.article-table td {
  padding: 14px 18px;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border-lt);
  vertical-align: top;
}
.article-table tr:last-child td { border-bottom: none; }
.article-table .td-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
}
.article-table tr.tr-total td {
  background: var(--blue-tint);
  font-weight: 600;
  color: var(--text-2);
  border-top: 1px solid rgba(45,95,138,.15);
}
.article-table tr.tr-total .td-num {
  color: var(--blue);
  font-weight: 500;
}

/* Before/after results */
.result-table {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-lt);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 40px 0;
}
.result-row {
  display: grid;
  grid-template-columns: 1fr 120px 28px 120px;
  gap: 0;
  background: var(--warm-white);
  align-items: center;
}
.result-row-header {
  background: var(--surface);
  padding: 10px 18px;
}
.result-row-header > * {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 400;
}
.result-metric {
  padding: 16px 18px;
  font-size: 14px;
  color: var(--text-mid);
  border-right: 1px solid var(--border-lt);
}
.result-before {
  padding: 16px 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
  border-right: 1px solid var(--border-lt);
  text-align: center;
}
.result-arrow {
  padding: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--border);
  text-align: center;
  border-right: 1px solid var(--border-lt);
}
.result-after {
  padding: 16px 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--blue);
  font-weight: 500;
  text-align: center;
}

/* Diagnostic note (like guarantee-box) */
.article-note {
  background: var(--surface);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin: 40px 0;
}
.article-note-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-note-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--border);
}
.article-note p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
  margin: 0;
}
.article-note p + p { margin-top: 12px; }

/* Numbered finding list */
.finding-list {
  list-style: none;
  padding: 0; margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.finding-list li {
  padding: 18px 22px 18px 56px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border-lt);
  background: var(--warm-white);
  position: relative;
}
.finding-list li:last-child { border-bottom: none; }
.finding-list li::before {
  content: attr(data-n);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue);
  letter-spacing: .06em;
}
.finding-list li strong { color: var(--text-2); font-weight: 600; }

/* Article CTA */
.article-cta {
  background: var(--surface);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-top: 72px;
  margin-bottom: 0;
}
.article-cta-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-cta-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--border);
}
.article-cta h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--text-2);
  margin: 0 0 10px;
}
.article-cta > p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-mid);
  margin: 0 0 24px;
}
.article-cta-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Article nav: back + related */
.article-footer-nav {
  border-top: 1px solid var(--border-lt);
  padding: 48px 0 80px;
}
.article-footer-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.article-back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color .18s;
}
.article-back::before { content: '←'; }
.article-back:hover { color: var(--blue); }
.article-back { padding: 10px 0; }

/* Related articles grid (reused hp-insights-grid pattern) */
.hp-insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-lt);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Responsive */
@media (max-width: 900px) {
  .insights-grid { grid-template-columns: 1fr; }
  .article-stats { grid-template-columns: 1fr 1fr; }
  .result-row { grid-template-columns: 1fr 90px 20px 90px; }
}
@media (max-width: 660px) {
  .insights-hero { padding: 80px 0 56px; }
  .insights-section { padding: 56px 0 72px; }
  .insight-card { padding: 28px 24px; }
  .article-hero { padding: 64px 0 48px; }
  .article-body { padding: 48px 0 64px; }
  .article-stats { grid-template-columns: 1fr; }
  .result-row { grid-template-columns: 1fr; }
  .result-before, .result-arrow, .result-after { padding: 4px 18px; }
  .result-row-header { display: none; }
  .article-cta { padding: 28px 24px; }
  .article-footer-nav-inner { flex-direction: column; align-items: flex-start; }
}

/* ── Article Kai callout (A2) ── */
.article-kai-block {
  background: var(--blue-tint);
  border: 1px solid rgba(45,95,138,.18);
  border-radius: var(--radius-md);
  padding: 18px 22px 16px;
  margin: 36px 0;
}
.article-kai-headline {
  font-size: 14px;
  color: var(--text-mid);
  margin: 0 0 12px;
  line-height: 1.5;
}
.article-kai-sub {
  color: var(--text-muted);
}
.article-kai-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-kai-chip {
  background: #fff;
  border: 1px solid rgba(45,95,138,.28);
  border-radius: 20px;
  padding: 7px 16px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--blue);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  line-height: 1.4;
}
.article-kai-chip:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}