.article-shell {
  background: var(--white);
}

.article-breadcrumbs {
  background: var(--white);
  border-bottom: 1px solid rgba(14,30,64,.07);
  padding: 12px 0;
}

.article-breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-light);
}

.article-breadcrumb-list li:not(:last-child)::after {
  content: "→";
  margin-left: 8px;
  opacity: .45;
}

.article-breadcrumb-list a {
  color: var(--text-light);
  text-decoration: none;
}

.article-breadcrumb-list a:hover {
  color: var(--gold);
}

.article-breadcrumb-list li:last-child {
  color: var(--navy);
  font-weight: 700;
}

.article-hero {
  background:
    radial-gradient(circle at 84% 18%, rgba(215,164,10,.2), transparent 30%),
    linear-gradient(135deg, #0e1e40 0%, #0a1733 100%);
  color: #fff;
  padding: 74px 0 62px;
}

.article-hero-inner {
  max-width: 960px;
}

.article-eyebrow {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.article-tag {
  background: rgba(215,164,10,.22);
  color: var(--gold);
  border: 1px solid rgba(215,164,10,.24);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.article-date {
  color: rgba(255,255,255,.58);
  font-size: 13px;
}

.article-title {
  max-width: 900px;
  color: #fff;
  font-size: clamp(31px, 4.8vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 18px;
}

.article-subtitle {
  max-width: 860px;
  color: var(--gold);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 18px;
}

.article-hero-text {
  max-width: 800px;
  color: rgba(255,255,255,.76);
  font-size: 17px;
  line-height: 1.76;
}

.article-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.article-actions .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,.42);
}

.article-actions .btn-outline:hover {
  color: var(--navy);
  border-color: var(--gold);
}

.article-anchor-nav {
  position: sticky;
  top: 72px;
  z-index: 30;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(14,30,64,.08);
  backdrop-filter: blur(14px);
}

.article-anchor-list {
  display: flex;
  gap: 18px;
  list-style: none;
  overflow-x: auto;
  padding: 13px 0;
  scrollbar-width: thin;
}

.article-anchor-list a {
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.article-anchor-list a:hover {
  color: var(--gold);
}

.article-section {
  padding: 66px 0;
}

.article-section-muted {
  background: var(--light);
}

.article-section h2 {
  color: var(--navy);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  margin-bottom: 18px;
}

.article-section h3 {
  color: var(--navy);
  font-size: 19px;
  font-weight: 850;
  line-height: 1.35;
  margin-bottom: 10px;
}

.article-prose {
  max-width: 900px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.82;
}

.article-prose p,
.article-prose ul,
.article-prose ol {
  margin-bottom: 18px;
}

.article-prose ul,
.article-prose ol {
  padding-left: 24px;
}

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

.article-prose a,
.explainer-card a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-prose a:hover,
.explainer-card a:hover {
  color: var(--gold);
}

.lead-panel {
  border-left: 4px solid var(--gold);
  border-radius: 0 14px 14px 0;
  background: rgba(14,30,64,.04);
  padding: 28px 32px;
}

.explainer-grid {
  display: grid;
  gap: 18px;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-column {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principles-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.explainer-card {
  min-width: 0;
  background: #fff;
  border: 1px solid rgba(14,30,64,.08);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(14,30,64,.06);
}

.explainer-card-muted {
  background: rgba(14,30,64,.035);
  box-shadow: none;
}

.explainer-card ul {
  padding-left: 20px;
  margin: 0;
}

.explainer-card li {
  margin-bottom: 8px;
}

.principle-number {
  color: var(--gold);
  display: block;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.principle-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(215,164,10,.14);
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  padding: 5px 10px;
  margin-top: 14px;
}

.flow-line {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin: 28px 0;
}

.flow-step {
  background: var(--navy);
  color: #fff;
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  font-weight: 900;
}

.flow-arrow {
  color: var(--gold);
  font-size: 24px;
  font-weight: 900;
}

.severity-scale {
  display: grid;
  gap: 10px;
}

.severity-item {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 16px;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(14,30,64,.08);
  border-radius: 12px;
  padding: 14px 18px;
}

.severity-level {
  color: var(--navy);
  font-weight: 900;
}

.note-box {
  background: rgba(215,164,10,.12);
  border: 1px solid rgba(215,164,10,.24);
  border-radius: 12px;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.68;
  padding: 18px 20px;
  margin-top: 22px;
}

.schema-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: 24px;
  align-items: start;
}

.field-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.field-cloud li {
  background: #fff;
  border: 1px solid rgba(14,30,64,.08);
  border-radius: 999px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 750;
  padding: 7px 11px;
}

.mock-record {
  background: #0e1e40;
  border-radius: 14px;
  color: rgba(255,255,255,.78);
  padding: 24px;
}

.mock-record dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.mock-record div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
}

.mock-record dt {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.mock-record dd {
  margin: 0;
}

.author-box {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 18px;
  align-items: start;
  background: #fff;
  border: 1px solid rgba(14,30,64,.08);
  border-radius: 14px;
  padding: 24px;
  margin-top: 34px;
}

.author-initials {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  font-size: 24px;
  font-weight: 900;
}

.article-cta-panel {
  background: linear-gradient(135deg, #0e1e40, #0a1733);
  color: #fff;
  border-radius: 16px;
  padding: 34px;
}

.article-cta-panel h2 {
  color: #fff;
}

.article-cta-panel p {
  color: rgba(255,255,255,.76);
}

.related-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.related-card {
  display: flex;
  min-height: 210px;
  flex-direction: column;
  justify-content: space-between;
}

.related-card span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.related-card a {
  color: var(--navy);
  font-weight: 850;
  text-decoration: none;
}

.related-card a:hover {
  color: var(--gold);
}

.faq-list {
  max-width: 900px;
}

.faq-item {
  border-bottom: 1px solid rgba(14,30,64,.1);
}

.faq-item:first-child {
  border-top: 1px solid rgba(14,30,64,.1);
}

.faq-question {
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 16px;
  font-weight: 850;
  line-height: 1.5;
  list-style: none;
  padding: 20px 0;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  color: var(--gold);
  flex-shrink: 0;
  font-size: 24px;
  line-height: 1;
}

details[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  padding: 0 40px 22px 0;
}

.article-anchor-list a:focus-visible,
.faq-question:focus-visible,
.article-actions a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

@media (max-width: 1000px) {
  .principles-grid,
  .three-column,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schema-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .article-hero {
    padding: 48px 0 42px;
  }

  .article-anchor-nav {
    top: 64px;
  }

  .article-section {
    padding: 46px 0;
  }

  .two-column,
  .three-column,
  .principles-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-actions .btn-primary,
  .article-actions .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .flow-line {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    text-align: center;
    transform: rotate(90deg);
  }

  .severity-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .mock-record div,
  .author-box {
    grid-template-columns: 1fr;
  }

  .article-cta-panel {
    padding: 26px 22px;
  }
}