.article-page {
  padding-block: 54px 0;
}

.article-shell {
  max-inline-size: var(--container-narrow);
}

.article-header {
  margin-block-end: 42px;
  text-align: start;
}

.breadcrumb {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 9px;
  margin-block-end: 29px;
}

.breadcrumb a {
  transition: color 220ms var(--transition);
}

.breadcrumb a:hover {
  color: var(--brown);
}

.breadcrumb-separator {
  color: var(--gold);
}

.article-category {
  margin-block-end: 18px;
}

.article-header h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 650;
  line-height: 1.65;
  margin: 0 0 15px;
}

.article-intro {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 2.15;
  margin: 0 0 25px;
  max-inline-size: 740px;
}

.article-byline {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 0;
  margin: 0;
}

.article-byline > * {
  align-items: center;
  display: inline-flex;
}

.article-byline > * + *::before {
  background: var(--line-gold);
  block-size: 16px;
  content: "";
  display: inline-block;
  inline-size: 1px;
  margin-inline: 13px;
}

.article-byline strong {
  color: var(--ink);
  font-weight: 500;
}

.article-featured {
  margin: 0 auto 48px;
  max-inline-size: 1100px;
}

.article-featured img {
  aspect-ratio: 1.92 / 1;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  inline-size: 100%;
  object-fit: cover;
  object-position: center 39%;
}

.article-featured figcaption {
  color: var(--muted);
  font-size: 12px;
  margin-block-start: 12px;
  padding-inline: 4px;
  text-align: center;
}

.article-content {
  color: var(--ink);
  font-size: 16px;
  line-height: 2.2;
  overflow-wrap: anywhere;
}

.article-content > *:first-child {
  margin-block-start: 0;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--ink);
  font-weight: 600;
  line-height: 1.75;
  margin-block: 44px 16px;
}

.article-content h1 {
  font-size: clamp(29px, 3vw, 36px);
}

.article-content h2 {
  font-size: clamp(25px, 2.6vw, 30px);
}

.article-content h3 {
  font-size: clamp(21px, 2.1vw, 24px);
}

.article-content h4 {
  font-size: 19px;
}

.article-content p {
  margin-block: 0 24px;
}

.article-content a {
  color: var(--brown);
  text-decoration: underline;
  text-decoration-color: var(--color-gold-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color 220ms var(--transition), text-decoration-color 220ms var(--transition);
}

.article-content a:hover,
.article-content a:focus-visible {
  color: var(--color-accent-hover);
  text-decoration-color: var(--gold);
}

.article-content strong {
  color: var(--color-text-strong);
  font-weight: 650;
}

.article-content em {
  color: var(--color-text-secondary);
}

.article-content ul,
.article-content ol {
  margin-block: 0 29px;
  padding-inline-start: 29px;
}

.article-content li {
  margin-block-end: 8px;
  padding-inline-start: 5px;
}

.article-content li::marker {
  color: var(--gold);
}

.article-content blockquote {
  background: var(--color-surface-raised);
  border-end-end-radius: 16px;
  border-end-start-radius: 0;
  border-inline-start: 3px solid var(--gold);
  border-start-end-radius: 16px;
  border-start-start-radius: 0;
  color: var(--color-text-secondary);
  font-size: 19px;
  line-height: 2.2;
  margin: 38px 0;
  max-inline-size: none;
  padding-block: 22px;
  padding-inline: 30px 27px;
}

.article-content blockquote p {
  margin: 0;
}

.article-content img {
  block-size: auto;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  margin-block: 31px;
  max-inline-size: 100%;
}

.article-content figure {
  margin: 36px 0;
  max-inline-size: 100%;
}

.article-content figure img {
  margin: 0;
}

.article-content figcaption {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
  margin-block-start: 10px;
  text-align: center;
}

.article-content table {
  background: var(--white);
  border: 1px solid var(--line);
  border-collapse: collapse;
  border-radius: 14px;
  display: block;
  inline-size: 100%;
  margin-block: 35px;
  overflow-x: auto;
}

.article-content tbody,
.article-content thead {
  display: table;
  inline-size: 100%;
  min-inline-size: 590px;
  table-layout: fixed;
}

.article-content th,
.article-content td {
  border-block-end: 1px solid var(--line);
  padding: 12px 16px;
  text-align: start;
}

.article-content th {
  background: var(--color-gold-table);
  color: var(--brown);
  font-size: 14px;
  font-weight: 600;
}

.article-content td {
  color: var(--muted);
  font-size: 14px;
}

.article-content tbody tr:last-child td {
  border-block-end: 0;
}

.article-content hr {
  border: 0;
  border-block-start: 1px solid var(--line-gold);
  margin-block: 45px;
}

.post-record {
  background: var(--white);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-block: 64px 78px;
  padding: 28px 30px 29px;
}

.post-record h2 {
  color: var(--brown);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 22px;
}

.post-record dl {
  display: grid;
  gap: 20px 25px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
}

.post-record dt {
  color: var(--muted);
  font-size: 11px;
  margin-block-end: 5px;
}

.post-record dd {
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  margin: 0;
}

.related-posts {
  background: var(--color-surface-feature);
  border-block: 1px solid var(--color-border-section);
  padding-block: 72px 78px;
}

.related-heading {
  align-items: end;
  display: flex;
  justify-content: space-between;
  margin-block-end: 33px;
}

.related-heading h2 {
  font-size: clamp(25px, 3vw, 31px);
  font-weight: 600;
  margin: 0;
}

.related-heading a {
  color: var(--brown);
  font-size: 14px;
}

.related-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.related-card-content {
  padding: 18px 20px 21px;
}

.related-card .article-category {
  margin-block-end: 11px;
}

.related-card h3 {
  font-size: 19px;
  font-weight: 550;
  line-height: 1.7;
  margin: 0 0 8px;
}

.related-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin: 0 0 15px;
}

.related-card-meta {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 12px;
  justify-content: space-between;
}

.related-card-meta a {
  color: var(--brown);
  font-size: 13px;
  font-weight: 500;
}

/* ========================================
   404 PAGE
======================================== */
.error-404-page {
  padding-block-start: 58px;
}

.error-404-section {
  align-items: center;
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  min-block-size: clamp(520px, 68vh, 720px);
  padding-block: 34px 82px;
}

.error-404-copy {
  min-inline-size: 0;
}

.error-404-label {
  color: var(--brown);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-4);
}

.error-404-copy h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 650;
  line-height: 1.6;
  margin: 0 0 var(--space-4);
  max-inline-size: 780px;
}

.error-404-copy > p {
  color: var(--muted);
  font-size: var(--font-size-md);
  line-height: var(--line-height-editorial);
  margin: 0;
  max-inline-size: 680px;
}

.error-404-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block: var(--space-8);
}

.error-404-search {
  background: var(--white);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  max-inline-size: 720px;
  padding: var(--space-5);
}

.error-404-search-row {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: minmax(0, 1fr) auto;
}

.error-404-card {
  background:
    linear-gradient(180deg, rgba(250, 248, 244, 0.92), rgba(239, 228, 210, 0.84)),
    radial-gradient(circle at 50% 24%, rgba(176, 138, 74, 0.14), transparent 36%);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  min-block-size: 420px;
  overflow: hidden;
  padding: clamp(26px, 4vw, 42px);
  position: relative;
}

.error-404-card::before,
.error-404-card::after {
  background: var(--line-gold);
  content: "";
  inline-size: calc(100% - 56px);
  inset-inline-start: 28px;
  opacity: 0.58;
  position: absolute;
}

.error-404-card::before {
  block-size: 1px;
  inset-block-start: 28px;
}

.error-404-card::after {
  block-size: 1px;
  inset-block-end: 28px;
}

.error-404-seal {
  align-items: center;
  block-size: 112px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--brown);
  display: inline-flex;
  inline-size: 112px;
  justify-content: center;
  margin-block-end: var(--space-8);
  opacity: 0.68;
}

.error-404-seal svg {
  block-size: 70px;
  fill: none;
  inline-size: 70px;
  stroke: currentColor;
  stroke-width: 1.4;
}

.error-404-ref {
  color: var(--brown);
  font-family: var(--font-en);
  font-size: var(--font-size-xs);
  letter-spacing: 0;
  margin: 0 0 var(--space-3);
}

.error-404-card h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: var(--font-weight-semibold);
  line-height: 1.7;
  margin: 0 0 var(--space-3);
}

.error-404-card p:last-child {
  color: var(--muted);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

@media (max-width: 1100px) {
  .post-record dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

}

@media (max-width: 820px) {
  .article-page {
    padding-block-start: 39px;
  }

  .article-shell {
    inline-size: min(840px, calc(100% - 38px));
  }

  .article-header {
    margin-block-end: 33px;
  }

  .article-featured {
    margin-block-end: 38px;
  }

  .article-content {
    font-size: 15px;
  }

  .post-record {
    margin-block: 50px 58px;
    padding: 24px 22px;
  }

  .post-record dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .related-posts {
    padding-block: 58px 62px;
  }

  .error-404-section {
    grid-template-columns: minmax(0, 1fr);
    min-block-size: 0;
    padding-block: 10px 62px;
  }

  .error-404-card {
    min-block-size: auto;
  }

}

@media (max-width: 540px) {
  .article-shell {
    inline-size: calc(100% - 30px);
  }

  .article-header h1 {
    font-size: 29px;
  }

  .article-featured img {
    aspect-ratio: 1.3 / 1;
  }

  .article-content blockquote {
    font-size: 16px;
    padding: 17px 18px;
  }

  .post-record dl,
  .related-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .related-heading {
    align-items: start;
    flex-direction: column;
    gap: 9px;
  }

  .error-404-actions {
    flex-direction: column;
  }

  .error-404-search-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .error-404-actions .btn,
  .error-404-search-row .btn {
    inline-size: 100%;
  }

}