/* Editorial article layout, shared by the English and Arabic editions. */
.post-quantum-page {
  --article-ink: #12243b;
  --article-muted: #596b7e;
  --article-line: #dce5ed;
  --article-blue: #12699d;
  color: var(--article-ink);
  background: #fff;
  text-align: start;
}
.article-container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.post-quantum-page a { text-decoration: none; }
.post-quantum-page a:focus-visible, .post-quantum-page summary:focus-visible { outline: 3px solid #1476bd; outline-offset: 5px; border-radius: 3px; }
.post-quantum-hero { background: #f3f7fa; padding: 160px 0 108px; border-top: 1px solid var(--article-line); }
.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 13px; color: var(--article-muted); padding-block: 20px 38px; }
.article-breadcrumb a { color: var(--article-muted); }
.article-breadcrumb a:hover { color: var(--article-blue); text-decoration: underline; }
.article-breadcrumb [aria-current] { color: var(--article-ink); }
.post-quantum-hero__content { max-width: 1060px; }
.post-quantum-page .article-eyebrow { display: flex; align-items: center; gap: 10px; color: var(--article-blue); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 22px; line-height: 1.7; }
.article-eyebrow > span { flex: 0 0 22px; height: 2px; background: currentColor; }
.post-quantum-hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.65rem); line-height: 1.14; letter-spacing: -.035em; font-weight: 600; text-transform: none; color: var(--article-ink); margin: 0 0 28px; }
.post-quantum-page .article-deck { max-width: 790px; font-size: 19px; line-height: 1.7; color: var(--article-muted); margin: 0 0 36px; }
.article-byline { display: flex; align-items: center; gap: 32px; border-top: 1px solid var(--article-line); padding-top: 24px; }
.article-publisher { display: flex; align-items: center; gap: 14px; }
.article-publisher img { width: 52px; height: 52px; object-fit: contain; background: #fff; border: 1px solid var(--article-line); border-radius: 50%; padding: 7px; }
.article-publisher strong { display: block; font-size: 14px; font-weight: 600; line-height: 1.5; }
.article-publisher span, .article-published span { display: block; color: var(--article-muted); font-size: 13px; margin-top: 3px; }
.article-published { border-inline-start: 1px solid var(--article-line); padding-inline-start: 32px; font-size: 14px; }
.post-quantum-page .post-quantum-language { margin-inline-start: auto; flex-shrink: 0; display: inline-flex; align-items: center; gap: 8px; border: 1px solid #cbdbe7; border-radius: 6px; padding: 10px 16px; font-size: 14px; font-weight: 500; color: var(--article-blue); background: #fff; }
.post-quantum-language:hover { border-color: var(--article-blue); }
.post-quantum-figure { position: relative; margin: -64px 0 68px; }
.post-quantum-figure > img { display: block; width: 100%; height: auto; border-radius: 10px; }
.post-quantum-figure figcaption { display: flex; gap: 20px; align-items: baseline; border-bottom: 1px solid var(--article-line); padding: 18px 0; font-size: 12px; line-height: 1.7; color: var(--article-muted); }
.article-caption-label { flex-shrink: 0; font-weight: 600; color: var(--article-ink); }
.article-reading-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.article-sidebar { position: sticky; top: 155px; }
.article-contents { border-block: 1px solid var(--article-line); padding-block: 22px 16px; }
.article-contents summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; font-size: 14px; font-weight: 600; list-style: none; }
.article-contents summary::-webkit-details-marker { display: none; }
.article-contents summary i { font-size: 11px; transition: transform .2s; }
.article-contents[open] summary i { transform: rotate(180deg); }
.article-contents nav { margin-top: 18px; }
.article-contents nav a { display: flex; gap: 12px; padding: 12px 0; font-size: 13px; line-height: 1.65; color: var(--article-muted); }
.article-section-number { font-size: 11px; color: #7b8c9b; padding-top: 2px; }
.article-contents nav a:hover, .article-contents nav a[aria-current] { color: var(--article-blue); }
.article-contents nav a[aria-current] { font-weight: 600; }
.post-quantum-page .article-back { display: inline-flex; gap: 10px; margin-top: 24px; color: var(--article-blue); font-size: 13px; }
.post-quantum-content { min-width: 0; max-width: 760px; font-family: Arial, Helvetica, sans-serif; color: #3e4f60; font-size: 17px; line-height: 1.95; overflow-wrap: break-word; }
.post-quantum-content p { margin: 0 0 24px; }
.post-quantum-content .article-opening { color: var(--article-ink); font-size: 21px; line-height: 1.75; margin-bottom: 32px; }
.article-section { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--article-line); scroll-margin-top: 160px; }
.article-section-heading { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; }
.article-section-heading > span { font-size: 12px; font-weight: 600; color: var(--article-blue); }
.post-quantum-content h2 { font-family: "Jost", Arial, sans-serif; color: var(--article-ink); font-size: clamp(1.5rem, 2.3vw, 1.9rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.35; text-transform: none; margin: 0; }
.article-standards { list-style: none; padding: 0; margin: 28px 0; border: 1px solid var(--article-line); border-radius: 8px; overflow: hidden; }
.article-standards li { padding: 20px 24px; background: #f6f9fb; }
.article-standards li + li { border-top: 1px solid var(--article-line); }
.article-standards strong { display: block; width: fit-content; color: var(--article-blue); font-size: 15px; letter-spacing: .02em; margin-bottom: 3px; }
.article-standards span { font-size: 15px; }
.article-endnote { display: flex; gap: 12px; align-items: center; padding-top: 24px; margin-top: 36px; border-top: 1px solid var(--article-line); color: var(--article-muted); font-size: 12px; }
.article-endnote-mark { flex: 0 0 8px; height: 8px; background: var(--article-blue); }
.article-contact { display: flex; gap: 48px; align-items: center; justify-content: space-between; margin: 80px 0; padding: clamp(28px, 4vw, 48px); background: #102a43; border-radius: 10px; color: #fff; }
.article-contact > div { max-width: 700px; }
.post-quantum-page .article-contact .article-eyebrow { color: #a3cee9; margin-bottom: 14px; }
.article-contact h2 { color: #fff; font-size: clamp(1.65rem, 2.5vw, 2rem); line-height: 1.3; font-weight: 500; text-transform: none; margin: 0 0 12px; }
.article-contact p:last-child { color: #c4d4e1; font-size: 15px; line-height: 1.7; margin: 0; }
.post-quantum-page .article-contact > a { display: inline-flex; gap: 24px; align-items: center; flex-shrink: 0; padding: 14px 20px; background: #fff; color: #102a43; border-radius: 5px; font-size: 14px; font-weight: 600; }
.article-contact > a:hover { background: #dfeffb; }
html[lang="ar"] .post-quantum-page { direction: rtl; }
html[lang="ar"] .post-quantum-page, html[lang="ar"] .post-quantum-page h1, html[lang="ar"] .post-quantum-page h2, html[lang="ar"] .post-quantum-content { font-family: Tahoma, Arial, sans-serif; letter-spacing: 0; }
html[lang="ar"] .post-quantum-hero h1 { line-height: 1.5; font-size: clamp(2rem, 3.6vw, 3.1rem); }
html[lang="ar"] .post-quantum-page .article-eyebrow { letter-spacing: 0; }
html[lang="ar"] .post-quantum-content { line-height: 2.1; }
html[lang="ar"] .post-quantum-content h2 { line-height: 1.6; }
@media (max-width: 991px) {
  .article-reading-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .article-sidebar { position: static; }
  .article-sidebar .article-back { display: none; }
  .post-quantum-content { max-width: 100%; }
  .article-contents { padding: 18px 22px; border: 1px solid var(--article-line); border-radius: 8px; background: #f6f9fb; }
  .post-quantum-figure { margin-bottom: 40px; }
  .article-contact { align-items: start; flex-direction: column; gap: 24px; }
}
@media (max-width: 600px) {
  .article-container { width: calc(100% - 36px); }
  .post-quantum-hero { padding-bottom: 64px; }
  .article-breadcrumb { font-size: 11px; gap: 8px; padding-block: 12px 28px; }
  .post-quantum-page .article-eyebrow { font-size: 10px; margin-bottom: 16px; }
  .post-quantum-hero h1 { font-size: 2.1rem; line-height: 1.18; margin-bottom: 20px; }
  .post-quantum-page .article-deck { font-size: 16px; margin-bottom: 26px; }
  .article-byline { flex-wrap: wrap; gap: 20px; }
  .article-publisher { width: 100%; }
  .article-published { border: 0; padding: 0; font-size: 13px; }
  .post-quantum-page .post-quantum-language { font-size: 12px; padding: 9px 12px; }
  .post-quantum-figure { margin-top: -32px; }
  .post-quantum-figure figcaption { flex-direction: column; gap: 4px; font-size: 11px; padding-block: 12px; }
  .post-quantum-content { font-size: 16px; line-height: 1.85; }
  .post-quantum-content .article-opening { font-size: 19px; }
  .article-section { margin-top: 36px; padding-top: 26px; }
  .article-section-heading { gap: 12px; }
  .article-standards li { padding: 16px 18px; }
  .article-contact { margin-block: 48px; }
  html[lang="ar"] .post-quantum-hero h1 { font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) { .article-contents summary i { transition: none; } }