/* Single article: a letter-width reading column with a quiet sticky contents card beside it. */
.page-article .art-head { padding-block: clamp(48px, 7vw, 92px) clamp(28px, 4vw, 44px); }
.page-article .art-head__in { display: grid; gap: 18px; max-width: 860px; }
.page-article .art-head h1 { font-size: clamp(36px, 4.6vw, 62px); }
.page-article .standfirst { font-size: var(--fs-lead); line-height: 1.6; color: var(--muted); max-width: 62ch; }
.page-article .byline { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding-top: 6px; }
.page-article .byline__who { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.page-article .byline__who img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: var(--powder); }
.page-article .byline__who b { display: block; font-weight: 600; }
.page-article .byline__who span span { font-size: var(--fs-small); color: var(--muted); }
.page-article .byline__meta { font: 700 12.5px/1.2 var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

.page-article .art-hero { margin-bottom: clamp(36px, 5vw, 64px); }
.page-article .art-hero .media { aspect-ratio: 21 / 9; }
.page-article .art-hero figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); }
@media (max-width: 760px) { .page-article .art-hero .media { aspect-ratio: 3 / 2; } }

/* Layout */
.page-article .art-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: clamp(36px, 6vw, 88px); align-items: start; }
.page-article .art-body { font-size: 18px; line-height: 1.75; }
.page-article .art-body.prose { max-width: 68ch; }
.page-article .art-body h2 { scroll-margin-top: 100px; }
.page-article .art-body h2:first-child { margin-top: 0; }
.page-article .art-body strong { color: var(--blue-deep); font-weight: 600; }
.page-article .aside { position: sticky; top: calc(96px + env(safe-area-inset-top, 0px)); display: grid; gap: 20px; }
.page-article .toc { padding: 22px 22px 18px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.page-article .toc ol { list-style: none; display: grid; gap: 2px; margin-top: 12px; counter-reset: toc; }
.page-article .toc li { counter-increment: toc; }
.page-article .toc a { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 4px; padding: 6px 0; font-size: 14.5px; line-height: 1.35; color: var(--ink); text-decoration: none; }
.page-article .toc a::before { content: counter(toc, decimal-leading-zero); font: 700 12px/1.6 var(--f-label); letter-spacing: .08em; color: var(--rose-deep); }
.page-article .toc a:hover, .page-article .toc a.is-current { color: var(--blue); }
.page-article .toc a.is-current { font-weight: 600; }
.page-article .aside-cta { display: grid; gap: 12px; padding: 22px; background: var(--airmail); border-radius: var(--radius); }
.page-article .aside-cta h2 { font-size: 22px; line-height: 1.25; }
.page-article .aside-cta p { font-size: 15px; color: var(--muted); }
.page-article .toc-mobile { display: none; margin-bottom: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.page-article .toc-mobile summary { padding: 14px 18px; cursor: pointer; font: 700 13px/1.2 var(--f-label); letter-spacing: .16em; text-transform: uppercase; color: var(--blue-deep); }
.page-article .toc-mobile ol { padding: 0 18px 16px 38px; display: grid; gap: 6px; font-size: 15px; }
@media (max-width: 980px) {
  .page-article .art-layout { grid-template-columns: minmax(0, 1fr); }
  .page-article .aside { position: static; }
  .page-article .aside .toc { display: none; }
  .page-article .toc-mobile { display: block; }
}

/* Article components */
.page-article .tip { margin: 1.6em 0; padding: 18px 20px; background: var(--sand); border-radius: var(--radius); font-size: 16.5px; line-height: 1.6; }
.page-article .tip .label { display: block; margin-bottom: 6px; color: var(--blue-deep); }
.page-article .table-wrap { margin: 1.4em 0 .6em; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.page-article .timeline { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15.5px; line-height: 1.45; }
.page-article .timeline caption { padding: 14px 16px; text-align: left; font: 700 12.5px/1.3 var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--blue-deep); background: var(--airmail); }
.page-article .timeline th, .page-article .timeline td { padding: 11px 16px; text-align: left; vertical-align: top; border-top: 1px solid var(--line); }
.page-article .timeline thead th { font: 700 12px/1.2 var(--f-label); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); background: var(--paper); }
.page-article .timeline td:first-child { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--blue-deep); white-space: nowrap; }
.page-article .timeline tr.is-light td { background: #FBF6EE; }
.page-article .table-note { font-size: 14px; color: var(--muted); }
.page-article .checklist { margin: 1.4em 0; padding: 22px 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.page-article .checklist .checks { margin-top: 12px; padding-left: 0; font-size: 16.5px; }
.page-article .checklist .checks li + li { margin-top: 0; }

/* After the article */
.page-article .help { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: center; padding: clamp(24px, 3.6vw, 44px); background: var(--airmail); border-radius: var(--radius); }
.page-article .help h2 { font-size: clamp(26px, 2.8vw, 36px); }
@media (max-width: 760px) { .page-article .help { grid-template-columns: minmax(0, 1fr); } }
.page-article .author { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; align-items: center; padding-block: clamp(28px, 4vw, 44px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.page-article .author .media { border-radius: 50%; aspect-ratio: 1; }
.page-article .author p { color: var(--muted); max-width: 62ch; }
@media (max-width: 520px) { .page-article .author { grid-template-columns: 84px minmax(0, 1fr); gap: 16px; } }
.page-article .related .card__title { font-size: 22px; }
.page-article .related p { color: var(--muted); font-size: 15.5px; }
.page-article .credits { margin-top: 24px; font-size: 13px; color: var(--muted); }
.page-article .section--tight + .section--tight { padding-top: 0; }
.page-article .related { padding-top: clamp(44px, 5vw, 72px); }