.column-hero {
  padding: clamp(128px, 14vw, 200px) 0 clamp(64px, 8vw, 108px);
  background: var(--paper);
}

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

.column-breadcrumb {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  color: var(--ink-soft);
  font-size: var(--text-xs);
}

.column-breadcrumb a {
  text-underline-offset: .25em;
}

.column-label-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-5);
}

.column-category,
.column-template-label {
  color: var(--teal-dark);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.column-template-label {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--line-strong);
}

.column-hero h1 {
  max-width: 930px;
  margin: 0 0 var(--space-6);
  font-size: clamp(2.5rem, 6.4vw, 5.6rem);
  letter-spacing: -.055em;
  line-height: 1.12;
  text-wrap: balance;
}

.column-deck {
  max-width: 760px;
  margin-bottom: var(--space-10);
  color: var(--ink-soft);
  font-size: var(--text-lead);
  line-height: var(--leading-reading);
}

.column-contributors {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: calc(var(--space-6) * -1) 0 var(--space-8);
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.column-contributors span {
  color: var(--teal-dark);
  font-size: .64rem;
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-meta {
  display: flex;
  gap: var(--space-10);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

.column-author {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  text-decoration: none;
}

.column-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.column-author span,
.column-meta dl div {
  display: grid;
}

.column-author small,
.column-meta dt,
.column-side-author small {
  color: var(--ink-soft);
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.column-meta dl {
  display: flex;
  gap: var(--space-8);
  margin: 0;
}

.column-meta dd {
  margin: 0;
  font-size: var(--text-sm);
}

.column-cover {
  width: min(calc(100% - 40px), 1180px);
  margin: 0 auto;
}

.column-cover img {
  width: 100%;
  height: auto;
}

.column-cover figcaption {
  max-width: 820px;
  margin-top: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-xs);
  line-height: 1.7;
}

.column-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 760px);
  gap: clamp(var(--space-10), 7vw, var(--space-24));
  justify-content: center;
  align-items: start;
  padding-top: clamp(72px, 9vw, 120px);
  padding-bottom: clamp(88px, 11vw, 148px);
}

.column-sidebar {
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
  display: grid;
  gap: var(--space-8);
}

.column-toc {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.column-toc summary {
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 800;
}

.column-toc ol {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding-left: 1.25rem;
}

.column-toc a {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.55;
  text-decoration: none;
}

.column-toc a:hover,
.column-toc a:focus-visible {
  color: var(--teal-dark);
  text-decoration: underline;
}

.column-side-author {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: var(--space-3);
  align-items: center;
  text-decoration: none;
}

.column-side-author img {
  width: 50px;
  height: 62px;
  object-fit: cover;
}

.column-side-author span {
  display: grid;
}

.column-side-author em {
  color: var(--ink-soft);
  font-size: .7rem;
  font-style: normal;
}

.column-prose {
  min-width: 0;
  color: var(--ink);
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 2;
  overflow-wrap: anywhere;
}

.column-prose > *:first-child {
  margin-top: 0;
}

.column-prose .column-lead {
  margin-bottom: var(--space-10);
  font-size: clamp(1.12rem, 1.7vw, 1.34rem);
  font-weight: 600;
  line-height: 1.9;
}

.column-prose section {
  scroll-margin-top: calc(var(--header-h) + var(--space-8));
  margin-top: clamp(72px, 9vw, 108px);
}

.column-prose h2 {
  margin: var(--space-2) 0 var(--space-8);
  font-size: clamp(1.75rem, 3.4vw, 2.7rem);
  letter-spacing: -.035em;
  line-height: 1.35;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.column-prose h3 {
  margin: var(--space-10) 0 var(--space-4);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.5;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.column-prose p,
.column-prose ul,
.column-prose ol,
.column-prose blockquote {
  margin-bottom: var(--space-6);
}

.column-prose li + li {
  margin-top: var(--space-2);
}

.column-prose a {
  color: var(--teal-dark);
  overflow-wrap: anywhere;
}

.column-prose img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: var(--space-8) auto;
}

.column-prose figure {
  margin: var(--space-10) 0;
}

.column-prose figcaption,
.column-media-note {
  color: var(--ink-soft);
  font-size: var(--text-xs);
  line-height: 1.7;
}

.column-prose table {
  display: block;
  overflow-x: auto;
  width: 100%;
  margin: var(--space-8) 0;
  border-collapse: collapse;
}

.column-prose th,
.column-prose td {
  padding: var(--space-3);
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.column-section-number {
  color: var(--teal);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-prose blockquote {
  margin-left: 0;
  padding: var(--space-8) 0 var(--space-8) var(--space-8);
  border-left: 3px solid var(--teal);
  color: var(--teal-dark);
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.9;
}

.column-prose blockquote p {
  margin: 0;
}

.column-note,
.column-keypoint {
  margin: var(--space-10) 0;
  padding: var(--space-6);
  border: 1px solid var(--line-strong);
  background: var(--white);
}

.column-note strong,
.column-keypoint span {
  color: var(--teal-dark);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.column-note p,
.column-keypoint p {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.8;
}

.column-keypoint {
  border: 0;
  border-left: 4px solid var(--coral);
  background: var(--coral-pale);
}

.column-definition-list {
  display: grid;
  margin: var(--space-10) 0;
  border-top: 1px solid var(--line-strong);
}

.column-definition-list section {
  display: grid;
  grid-template-columns: 44px 180px 1fr;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--line);
}

.column-definition-list span {
  color: var(--teal);
  font-size: var(--text-xs);
  font-weight: 900;
}

.column-definition-list h3,
.column-definition-list p {
  margin: 0;
}

.column-definition-list h3 {
  font-size: 1rem;
}

.column-definition-list p {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.75;
}

.column-embed {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-top: var(--space-8);
  padding-top: 56.25%;
  background: var(--ink);
}

.column-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.column-embed--audio {
  min-height: 352px;
  padding-top: 0;
}

.column-embed--audio iframe {
  min-height: 352px;
}

.column-caption {
  margin-top: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-xs);
  line-height: 1.7;
}

.column-embed-fallback {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
}

.column-references {
  padding-top: var(--space-8);
  border-top: 1px solid var(--line-strong);
}

.column-references h2 {
  font-size: 1.4rem;
}

.column-references ol {
  color: var(--ink-soft);
  font-size: var(--text-sm);
}

.column-article-footer {
  padding: var(--section-space-compact) 0;
  background: var(--paper-deep);
}

.column-author-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(var(--space-6), 6vw, var(--space-16));
  align-items: center;
}

.column-author-card img {
  width: 180px;
  height: 220px;
  object-fit: cover;
}

.column-author-card span,
.column-related-grid > a > span {
  color: var(--teal-dark);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-author-card h2 {
  margin: var(--space-2) 0 var(--space-3);
  font-size: var(--text-heading-sm);
}

.column-author-card p {
  color: var(--ink-soft);
}

.column-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.column-related-grid a {
  display: grid;
  grid-template-columns: 180px 1fr;
  grid-template-rows: auto auto 1fr;
  gap: var(--space-2) var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none;
}

.column-related-grid img {
  grid-row: 1 / 4;
  width: 180px;
  height: 170px;
  object-fit: cover;
}

.column-card-placeholder {
  display: grid;
  grid-row: 1 / 4;
  place-items: center;
  width: 180px;
  height: 170px;
  background: var(--teal-dark);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-index-hero {
  padding: clamp(144px, 16vw, 224px) 0 clamp(80px, 9vw, 128px);
  background: var(--paper);
}

.column-index-hero h1 {
  max-width: 1000px;
  margin: var(--space-4) 0 var(--space-8);
  font-size: clamp(3.2rem, 8vw, 7.4rem);
  letter-spacing: -.065em;
  line-height: .98;
}

.column-index-hero p {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: var(--text-lead);
  line-height: var(--leading-reading);
}

.column-index-body {
  padding: var(--section-space) 0;
  background: var(--white);
}

.column-index-heading {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-index-heading p {
  margin: 0;
}

.column-archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(var(--space-8), 6vw, var(--space-16));
}

.column-archive-card {
  border-bottom: 1px solid var(--line);
}

.column-archive-card a {
  display: grid;
  grid-template-columns: minmax(140px, 42%) 1fr;
  gap: var(--space-6);
  height: 100%;
  padding: var(--space-10) 0;
  color: inherit;
  text-decoration: none;
}

.column-archive-card img,
.column-archive-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.column-archive-placeholder {
  display: grid;
  place-items: center;
  background: var(--paper-deep);
  color: var(--teal-dark);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: var(--tracking-label);
}

.column-archive-card div > span,
.column-archive-card time,
.column-archive-card em {
  color: var(--ink-soft);
  font-size: .68rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.column-archive-card time {
  float: right;
}

.column-archive-card h2 {
  margin: var(--space-3) 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  letter-spacing: -.025em;
  line-height: 1.45;
}

.column-archive-card p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0 0 var(--space-4);
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.column-archive-card a:hover h2,
.column-archive-card a:focus-visible h2 {
  color: var(--teal-dark);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.column-related-grid h3,
.column-related-grid p {
  margin: 0;
}

.column-related-grid h3 {
  font-size: 1.05rem;
  line-height: 1.55;
}

.column-related-grid p {
  align-self: end;
  color: var(--teal-dark);
  font-size: var(--text-sm);
}

@media (max-width: 900px) {
  .column-layout {
    grid-template-columns: minmax(0, 760px);
  }

  .column-sidebar {
    position: static;
  }

  .column-side-author {
    display: none;
  }

  .column-related-grid a {
    grid-template-columns: 130px 1fr;
  }

  .column-related-grid img {
    width: 130px;
    height: 150px;
  }

  .column-card-placeholder {
    width: 130px;
    height: 150px;
  }

  .column-archive-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .column-hero {
    padding-top: 104px;
  }

  .column-hero h1 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .column-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .column-meta dl {
    width: 100%;
    justify-content: space-between;
  }

  .column-cover {
    width: 100%;
  }

  .column-cover figcaption {
    padding-inline: var(--space-5);
  }

  .column-layout {
    padding-top: var(--space-16);
  }

  .column-prose {
    line-height: 1.95;
  }

  .column-definition-list section {
    grid-template-columns: 36px 1fr;
  }

  .column-definition-list p {
    grid-column: 2;
  }

  .column-author-card {
    grid-template-columns: 90px 1fr;
    align-items: start;
  }

  .column-author-card img {
    width: 90px;
    height: 116px;
  }

  .column-related-grid {
    grid-template-columns: 1fr;
  }

  .column-index-hero {
    padding-top: 120px;
  }

  .column-index-hero h1 {
    font-size: clamp(2.8rem, 16vw, 4.5rem);
  }

  .column-index-heading {
    gap: var(--space-4);
  }

  .column-archive-card a {
    grid-template-columns: 112px 1fr;
    gap: var(--space-4);
    padding: var(--space-7) 0;
  }

  .column-archive-card p {
    display: none;
  }
}