/* Blog article, laid out like the multilingual essay: language pills, share row, principles, pull quote. */
.article-tr {
  --at-blue: var(--color-primary);
  --at-ink: var(--brand-navy);
  --at-body: var(--color-text-strong);
  --at-muted: var(--color-text);
  --at-line: var(--color-border);
  --at-wash: var(--color-primary-tint);
  --at-blue-line: #c5d8f6;
  color: var(--at-body);
  font-size: 18px;
  line-height: 1.75;
}
.article-tr [hidden] { display: none !important; }
.article-tr .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.article-tr .hero {
  background: linear-gradient(180deg, var(--at-wash), #fff);
  border-bottom: 1px solid var(--at-line);
}
.article-tr .hero .wrap { padding-top: 36px; padding-bottom: 28px; }
.article-tr .crumbs {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin: 0 0 18px; font-size: 14px; color: var(--at-muted);
}
.article-tr .crumbs a { color: inherit; text-decoration: none; }
.article-tr .crumbs a:hover { color: var(--at-blue); text-decoration: underline; }
.article-tr .eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px;
  font-size: 15px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--at-blue);
}
.article-tr .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--at-blue); border-radius: 2px; }
.article-tr .eyebrow a { color: inherit; text-decoration: none; }
.article-tr .eyebrow a:hover { text-decoration: underline; }
.article-tr .hero-lede { margin: 0 0 28px; max-width: 720px; font-size: clamp(19px, 2.3vw, 22px); line-height: 1.55; }
.article-tr .langbar-label { margin: 0 0 12px; font-size: 16px; font-weight: 600; color: var(--at-ink); }
.article-tr .tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.article-tr .tab {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 16px 8px 11px;
  border: 1px solid var(--at-line); border-radius: 999px; background: #fff; color: var(--at-body);
  font: 500 15.5px/1.2 var(--font-body); cursor: pointer; white-space: nowrap;
}
.article-tr .tab:hover { border-color: var(--at-blue-line); background: var(--at-wash); }
.article-tr .tab:focus-visible { outline: 2px solid var(--at-blue); outline-offset: 2px; }
.article-tr .tab[aria-selected="true"] { border-color: var(--at-blue); background: var(--at-blue); color: #fff; }
.article-tr .flag {
  flex: none; width: 26px; height: 20px; border-radius: 3px; object-fit: cover;
  box-shadow: 0 0 0 1px rgba(15, 23, 41, .12);
}
.article-tr .tab[aria-selected="true"] .flag { box-shadow: 0 0 0 1px rgba(255, 255, 255, .7); }
.article-tr .flag-badge {
  display: inline-flex; align-items: center; justify-content: center; background: var(--at-wash); color: var(--at-ink);
  font: 700 10px/1 var(--font-body); letter-spacing: .04em;
}
.article-tr .tab[aria-selected="true"] .flag-badge { background: #fff; color: var(--at-blue); }

.article-tr .article-hero { max-width: 720px; margin: 28px auto 0; padding: 0 24px; }
.article-tr .article-hero img { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--at-line); }
.article-tr .article-hero figcaption { margin-top: 8px; font-size: 14px; color: var(--at-muted); }
.article-tr .article-panel { max-width: 720px; margin: 0 auto; padding: 48px 24px 72px; }
.article-tr .post-head { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--at-line); }
.article-tr h1 {
  margin: 0 0 16px; color: var(--at-ink); font-family: var(--font-heading);
  font-size: clamp(30px, 4.4vw, 44px); line-height: 1.15; font-weight: 700; letter-spacing: -.02em;
}
.article-tr .dek { margin: 0; font-size: clamp(18px, 2.2vw, 21px); line-height: 1.5; color: var(--at-muted); }
.article-tr .article-meta {
  display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 16px 0 0;
  font-size: 14px; font-weight: 600; color: var(--at-muted);
}
.article-tr .prose { max-width: none; font-size: 18px; line-height: 1.75; color: var(--at-body); }
.article-tr .prose > * { max-width: none; }
.article-tr .prose p { margin: 0 0 1.1em; }
.article-tr .prose h2 {
  margin: 2.4em 0 .8em; color: var(--at-ink); font-size: clamp(22px, 2.8vw, 27px);
  line-height: 1.3; font-weight: 700; letter-spacing: -.01em;
}
.article-tr .prose h2::before {
  content: ""; display: block; width: 32px; height: 3px; margin-bottom: 14px; background: var(--at-blue); border-radius: 2px;
}
.article-tr .prose h3 { margin-top: 1.8em; }
.article-tr .prose ol { margin: 0 0 1.4em; padding: 0; list-style: none; counter-reset: q; }
.article-tr .prose ol > li { position: relative; margin: 0 0 .7em; padding-inline-start: 44px; counter-increment: q; }
.article-tr .prose ol > li::before {
  content: counter(q); position: absolute; inset-inline-start: 0; top: .15em;
  width: 28px; height: 28px; border-radius: 50%; background: var(--at-wash); color: var(--at-blue);
  font-size: 14px; font-weight: 700; line-height: 28px; text-align: center;
}
.article-tr .prose .callout {
  margin: 0 0 14px; padding: 18px 22px; border: 1px solid var(--at-line); border-inline-start: 4px solid var(--at-blue);
  border-radius: 10px; background: #fbfcff; color: var(--at-body);
  font-family: var(--font-body); font-weight: 400; font-size: 18px; line-height: 1.6;
}
.article-tr .prose .callout strong { color: var(--at-ink); }
.article-tr .prose .callout p { margin: 0; }
.article-tr .prose .callout + :not(.callout) { margin-top: 28px; }
.article-tr .prose blockquote {
  margin: 2em 0; padding: 28px 32px; border: 1px solid var(--at-blue-line); border-left: 1px solid var(--at-blue-line);
  border-radius: 14px; background: var(--at-wash);
}
.article-tr .prose blockquote p { margin: 0; color: var(--at-ink); font-size: clamp(20px, 2.6vw, 24px); line-height: 1.45; font-weight: 650; }
.article-tr .signoff { display: grid; gap: 6px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--at-line); }
.article-tr .sig {
  margin: 0; font-family: "Segoe Script", "Brush Script MT", "Apple Chancery", cursive;
  font-size: 56px; line-height: 1.1; color: var(--color-primary-hover); font-weight: 400;
}
.article-tr .sig-role { margin: 0; font-size: 15px; font-weight: 600; color: var(--at-ink); }
.article-tr .thanks { margin: 18px 0 0; font-size: 17px; line-height: 1.6; }
.article-tr .translation-note {
  margin: 14px 0 0; padding: 14px 18px; border-radius: 10px; background: var(--at-wash);
  border: 1px solid var(--at-blue-line); font-size: 15px; line-height: 1.6; color: var(--at-muted);
}
.article-tr [dir="rtl"] .sig { text-align: right; }
.article-tr .author-bio { max-width: 720px; margin: 0 auto 48px; color: var(--at-muted); }

.article-tr .share { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.article-tr .share-top { margin-top: 22px; }
.article-tr .share-end { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--at-line); }
.article-tr .share-label { margin: 0; width: 100%; font-size: 15px; font-weight: 700; color: var(--at-ink); }
.article-tr .share-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.article-tr .share-btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 0;
  border: 1px solid var(--at-line); border-radius: 50%; background: #fff; color: var(--at-muted); cursor: pointer;
}
.article-tr .share-end .share-btn { width: 44px; height: 44px; }
.article-tr .share-btn .share-icon {
  width: 18px; height: 18px; background-color: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
  -webkit-mask-mode: alpha;
  mask-mode: alpha;
}
.article-tr .share-btn:hover { border-color: var(--at-blue-line); background: var(--at-wash); color: var(--at-blue); }
.article-tr .share-btn:focus-visible { outline: 2px solid var(--at-blue); outline-offset: 2px; }
.article-tr a.share-btn { text-decoration: none; }
.article-tr .share-btn .icon-check { position: absolute; opacity: 0; }
.article-tr .share-btn.is-done .icon-default { opacity: 0; }
.article-tr .share-btn.is-done .icon-check { opacity: 1; }
.article-tr .share-btn.is-done { border-color: #bfe6cc; background: #effaf3; color: #1d7a43; }
.article-tr .share-status { font-size: 13px; font-weight: 600; color: #1d7a43; }
.article-tr .share-status:empty { display: none; }

.article-tr [lang="ja"] .prose,
.article-tr [lang="zh-Hans"] .prose,
.article-tr [lang="zh-Hant"] .prose,
.article-tr [lang="ko"] .prose { line-height: 1.9; letter-spacing: .01em; }
.article-tr [lang="ja"] h1,
.article-tr [lang="zh-Hans"] h1,
.article-tr [lang="zh-Hant"] h1,
.article-tr [lang="ko"] h1 { letter-spacing: 0; line-height: 1.3; }
.article-tr [dir="rtl"] h1,
.article-tr [dir="rtl"] .prose h2 { letter-spacing: 0; }
.article-tr [dir="rtl"] .prose { line-height: 1.9; }

@media (max-width: 720px) {
  .article-tr .hero .wrap { padding-top: 28px; padding-bottom: 20px; }
  .article-tr .tabs {
    flex-wrap: nowrap; overflow-x: auto; margin: 0 -24px; padding: 2px 24px 10px;
    scrollbar-width: none;
  }
  .article-tr .tabs::-webkit-scrollbar { display: none; }
  .article-tr .article-panel { padding: 32px 20px 64px; }
  .article-tr .prose { font-size: 17px; }
  .article-tr .sig { font-size: 46px; }
  .article-tr .prose blockquote { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .article-tr .tab { transition: none; }
}