.article-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 200px var(--space-5) var(--space-20);
}
.article-container h1 {
  font-family: Inter, sans-serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 130%;
  letter-spacing: 0.5px;
  text-align: left;
  margin-top: 0;
  margin-bottom: var(--space-6);
  width: 100%;
  color: var(--text-primary);
}
.article-container h2 {
  font-family: Inter, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 130%;
  letter-spacing: 0.84px;
  text-align: left;
  margin: var(--space-16) 0 var(--space-6) 0;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}
.article-container h2:first-of-type {
  border-top: none;
  padding-top: 0;
}
.article-container h3 {
  font-family: Inter, sans-serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 130%;
  text-align: left;
  margin: var(--space-10) 0 var(--space-4) 0;
}
.article-container p {
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 180%;
  letter-spacing: 0.36px;
  margin-bottom: var(--space-6);
}
.article-container blockquote {
  border-left: 3px solid var(--color-brand-primary);
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-8);
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 16px;
  font-style: italic;
  line-height: 170%;
  background: color-mix(in oklch, var(--color-brand-primary) 5%, transparent);
  border-radius: 0 10px 10px 0;
}
.article-container a {
  color: var(--color-brand-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-container a:hover {
  color: var(--text-primary);
}
.article-container a.cta-button {
  color: var(--color-neutral-0);
  text-decoration: none;
}
.article-container a.cta-button:hover {
  color: var(--color-neutral-0);
}
.article-container strong {
  color: var(--text-primary);
  font-weight: 600;
}
.article-container em {
  color: var(--color-brand-primary);
  font-style: italic;
}
.label {
  color: var(--text-tertiary);
  font-size: 14px;
  font-weight: 400;
}
.article-container .highlight-line {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 160%;
}
.framework-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-8) 0;
  font-family: Inter, sans-serif;
  font-size: 15px;
}
.framework-table th {
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
  padding: var(--space-4) var(--space-4);
  border-bottom: 2px solid var(--color-brand-primary);
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.framework-table td {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  line-height: 160%;
  vertical-align: top;
}
.framework-table tr:hover td {
  background: color-mix(in oklch, var(--color-brand-primary) 5%, transparent);
}
.framework-table .level-num {
  color: var(--color-brand-primary);
  font-weight: 700;
  font-size: 18px;
}
.checklist {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 var(--space-8);
}
.checklist li {
  color: var(--text-secondary);
  font-family: Inter, sans-serif;
  font-size: 17px;
  line-height: 170%;
  padding: var(--space-3) 0;
  padding-left: var(--space-8);
  position: relative;
  border-bottom: 1px solid color-mix(in oklch, var(--border-subtle) 50%, transparent);
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-moderate);
  border-radius: 4px;
}
.results-box {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  background: linear-gradient(213deg, rgba(158, 128, 255, 0.08) 10.85%, rgba(15, 15, 15, 0.1) 53.34%, rgba(156, 124, 255, 0.08) 112.76%);
}
.results-box p {
  font-size: 16px;
  margin-bottom: var(--space-4);
}
.results-box p:last-child {
  margin-bottom: 0;
}
.action-card {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: var(--space-8);
  margin: var(--space-6) 0;
  background: var(--surface-secondary);
}
.action-card h3 {
  margin-top: 0;
  font-size: 20px;
}
.cta-banner {
  border-radius: 16px;
  border: 1px solid var(--color-brand-primary);
  padding: var(--space-12) var(--space-10);
  margin: var(--space-12) 0;
  text-align: center;
  background: linear-gradient(213deg, rgba(158, 128, 255, 0.2) 10.85%, rgba(15, 15, 15, 0.15) 53.34%, rgba(156, 124, 255, 0.2) 112.76%);
}
.cta-banner p {
  text-align: center;
}
.cta-button {
  display: inline-flex;
  padding: var(--space-5) var(--space-8);
  border-radius: 10px;
  border: 1px solid var(--color-brand-primary);
  background: var(--color-brand-primary);
  color: var(--color-neutral-0);
  font-family: Inter;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.54px;
  text-decoration: none;
  transition: 0.3s;
}
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(105, 84, 225, 0.4);
  color: var(--color-neutral-0);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-family: Inter;
  font-size: 14px;
  text-decoration: none;
  margin-bottom: var(--space-8);
  transition: color var(--transition-fast);
}
.back-link:hover {
  color: var(--text-primary);
}
.article-meta {
  color: var(--text-tertiary);
  font-family: Inter;
  font-size: 14px;
  margin-bottom: var(--space-10);
  display: flex;
  gap: var(--space-6);
}
@media (max-width: 960px) {
  .article-container {
    padding: 120px var(--space-5) var(--space-12);
  }
  .article-container h1 {
    font-size: 28px;
  }
  .article-container h2 {
    font-size: 22px;
  }
  .framework-table {
    font-size: 13px;
  }
  .framework-table th,
  .framework-table td {
    padding: var(--space-2) var(--space-2);
  }
}
[data-theme=light] .results-box {
  background: linear-gradient(213deg, rgba(158, 128, 255, 0.05) 10.85%, var(--color-neutral-50) 53.34%, rgba(156, 124, 255, 0.05) 112.76%);
}
[data-theme=light] .action-card {
  background: var(--color-neutral-50);
}
[data-theme=light] .cta-banner {
  background: linear-gradient(213deg, rgba(158, 128, 255, 0.1) 10.85%, var(--color-neutral-50) 53.34%, rgba(156, 124, 255, 0.1) 112.76%);
}

/* Chart: Wharton study */
.chart-container {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: var(--space-8) var(--space-8) var(--space-6);
  margin: var(--space-10) 0;
  background: var(--surface-secondary);
}
.chart-title {
  font-family: Inter, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-8);
  text-align: center;
}
.chart-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.chart-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.chart-row-label {
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}
.chart-bar-pair {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chart-bar-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.chart-bar-tag {
  font-family: Inter, sans-serif;
  font-size: 12px;
  color: var(--text-tertiary);
  width: 80px;
  flex-shrink: 0;
  text-align: right;
}
.chart-bar-track {
  flex: 1;
  height: 28px;
  background: color-mix(in oklch, var(--border-subtle) 50%, transparent);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.chart-bar-fill {
  height: 100%;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--space-3);
  font-family: Inter, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  transition: width 0.8s ease;
}
.chart-bar-fill.native {
  background: var(--color-brand-primary);
}
.chart-bar-fill.non-native {
  background: color-mix(in oklch, var(--color-brand-primary) 50%, var(--text-tertiary));
}
.chart-gap-label {
  font-family: Inter, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-align: right;
  margin-top: 2px;
  padding-right: 2px;
}
.chart-gap-label.significant {
  color: #e05252;
}
.chart-legend {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}
.chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: Inter, sans-serif;
  font-size: 13px;
  color: var(--text-secondary);
}
.chart-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.chart-legend-dot.native {
  background: var(--color-brand-primary);
}
.chart-legend-dot.non-native {
  background: color-mix(in oklch, var(--color-brand-primary) 50%, var(--text-tertiary));
}
.chart-source {
  font-family: Inter, sans-serif;
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: var(--space-4);
}

/* Pyramid: 5-Level Model */
.pyramid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin: var(--space-10) 0 var(--space-6);
  position: relative;
}
.pyramid-level {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  border-radius: 8px;
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  background: var(--surface-secondary);
  position: relative;
  transition: all 0.3s;
}
.pyramid-level:hover {
  border-color: var(--color-brand-primary);
  background: color-mix(in oklch, var(--color-brand-primary) 8%, transparent);
}
.pyramid-level .level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-brand-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-right: var(--space-3);
  flex-shrink: 0;
}
.pyramid-level-5 { width: 40%; }
.pyramid-level-4 { width: 52%; }
.pyramid-level-3 { width: 64%; }
.pyramid-level-2 { width: 76%; }
.pyramid-level-1 { width: 88%; }
.pyramid-stuck {
  position: absolute;
  right: -8px;
  transform: translateX(100%);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.pyramid-stuck-line {
  width: 20px;
  height: 1px;
  background: #e05252;
}
.pyramid-stuck-text {
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: #e05252;
  background: color-mix(in oklch, #e05252 8%, transparent);
  padding: 2px 8px;
  border-radius: 4px;
}
.pyramid-level.highlighted {
  border-color: color-mix(in oklch, #e05252 60%, transparent);
  background: color-mix(in oklch, #e05252 6%, transparent);
}
@media (max-width: 960px) {
  .pyramid-level-5 { width: 50%; }
  .pyramid-level-4 { width: 60%; }
  .pyramid-level-3 { width: 72%; }
  .pyramid-level-2 { width: 84%; }
  .pyramid-level-1 { width: 96%; }
  .pyramid-stuck {
    position: static;
    transform: none;
    justify-content: center;
    margin-top: var(--space-2);
  }
  .pyramid-stuck-line { display: none; }
  .pyramid-level { font-size: 13px; height: 46px; }
  .chart-bar-tag { width: 65px; font-size: 11px; }
}
[data-theme=light] .chart-container {
  background: var(--color-neutral-50);
}