/* Research-note typography inside the approved Base2026 shell.
   Load after base2026-core.css and base2026-blog.css. Every selector is scoped
   to the article main; shared navigation, footer, and bridge remain owned by
   their existing stylesheets. */
.b26-blog-article {
  width: var(--b26-shell);
  min-width: 0;
  margin: 0 auto;
  padding: 44px 0 88px;
  color: var(--b26-ink);
  font-family: Manrope, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.b26-blog-article *,
.b26-blog-article *::before,
.b26-blog-article *::after {
  box-sizing: border-box;
  min-width: 0;
}

.b26-blog-article[id],
.b26-blog-article [id] {
  scroll-margin-top: 112px;
  scroll-margin-bottom: 24px;
}

.b26-blog-article a:focus-visible {
  outline: 3px solid var(--b26-accent);
  outline-offset: 4px;
}

.b26-blog-article .b26-article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  max-width: 880px;
  margin: 0 auto 28px;
  color: var(--b26-muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.7;
}

.b26-blog-article .b26-article-breadcrumb a,
.b26-blog-article .b26-article-meta a {
  color: var(--b26-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.b26-blog-article .b26-article-header {
  max-width: 880px;
  margin: 0 auto;
}

.b26-blog-article .b26-article-header .b26-blog-eyebrow {
  margin: 0 0 16px;
}

.b26-blog-article .b26-article-header h1 {
  max-width: 25ch;
  margin: 0;
  color: var(--b26-ink);
  font-size: clamp(36px, 4.8vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.05em;
}

.b26-blog-article .b26-article-lede {
  max-width: 70ch;
  margin: 24px 0 0;
  color: var(--b26-muted);
  font-size: 19px;
  line-height: 1.75;
}

.b26-blog-article .b26-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 22px;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--b26-line);
  color: var(--b26-muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.7;
}

.b26-blog-article .b26-article-hero {
  width: 100%;
  max-width: 880px;
  margin: 36px auto 0;
}

.b26-blog-article .b26-article-hero img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--b26-line);
  border-radius: var(--b26-radius-surface);
  background: var(--b26-surface-muted);
  object-fit: contain;
}

.b26-blog-article .b26-article-hero figcaption {
  max-width: 70ch;
  margin: 12px 0 0;
  color: var(--b26-muted);
  font-size: 12px;
  line-height: 1.7;
}

.b26-blog-article .b26-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 190px) minmax(0, 70ch);
  align-items: start;
  justify-content: center;
  gap: 52px;
  margin-top: 52px;
}

.b26-blog-article .b26-article-layout--no-toc {
  grid-template-columns: minmax(0, 70ch);
}

.b26-blog-article .b26-article-toc {
  position: static;
  align-self: start;
  color: var(--b26-muted);
  font-size: 12px;
  line-height: 1.65;
}

.b26-blog-article .b26-article-toc h2 {
  margin: 0 0 14px;
  color: var(--b26-ink);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.b26-blog-article .b26-article-toc ul,
.b26-blog-article .b26-article-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.b26-blog-article .b26-article-toc a {
  display: block;
  min-height: 40px;
  padding: 9px 0;
  border-bottom: 1px solid var(--b26-line);
  color: var(--b26-muted);
  text-decoration: none;
}

.b26-blog-article .b26-article-toc a:hover {
  color: var(--b26-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.b26-blog-article .b26-article-body {
  width: 100%;
  max-width: 70ch;
}

.b26-blog-article .b26-article-body section + section {
  margin-top: 44px;
}

.b26-blog-article .b26-article-body h2 {
  margin: 0 0 20px;
  color: var(--b26-ink);
  font-size: clamp(27px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.035em;
}

.b26-blog-article .b26-article-body h3 {
  margin: 30px 0 14px;
  font-size: 21px;
  line-height: 1.4;
  letter-spacing: -.02em;
}

.b26-blog-article .b26-article-body p {
  margin: 0 0 1.35em;
}

.b26-blog-article .b26-article-body ul,
.b26-blog-article .b26-article-body ol {
  margin: 0 0 1.5em;
  padding-left: 25px;
}

.b26-blog-article .b26-article-body li + li {
  margin-top: .65em;
}

.b26-blog-article .b26-article-body li::marker {
  color: var(--b26-accent);
}

.b26-blog-article .b26-article-body a {
  color: var(--b26-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.b26-blog-article .b26-article-body a:hover {
  color: var(--b26-accent-hover);
  text-decoration-thickness: 2px;
}

.b26-blog-article .b26-article-body strong {
  font-weight: 800;
}

.b26-blog-article .b26-article-body blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--b26-accent);
  background: var(--b26-surface-muted);
}

.b26-blog-article .b26-article-body blockquote > :last-child {
  margin-bottom: 0;
}

.b26-blog-article .b26-article-body code {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: .85em;
  overflow-wrap: anywhere;
}

.b26-blog-article .b26-article-body :not(pre) > code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--b26-surface-muted);
}

.b26-blog-article .b26-article-body pre {
  max-width: 100%;
  margin: 28px 0;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--b26-line);
  border-radius: var(--b26-radius-control);
  background: var(--b26-surface);
  font-size: 14px;
  line-height: 1.75;
  tab-size: 2;
}

.b26-blog-article .b26-article-body pre code {
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
}

.b26-blog-article a.b26-article-citation {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 24px;
  margin-inline: 2px;
  padding: 1px 5px;
  border: 1px solid var(--b26-line);
  border-radius: 4px;
  background: var(--b26-surface-muted);
  color: var(--b26-accent);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  vertical-align: baseline;
}

.b26-blog-article .b26-article-sources {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--b26-line);
  font-size: 14px;
  line-height: 1.8;
}

.b26-blog-article .b26-article-sources h2 {
  font-size: 24px;
}

.b26-blog-article .b26-article-sources li + li {
  margin-top: 20px;
}

.b26-blog-article .b26-article-sources li:target {
  border-radius: 4px;
  background: var(--b26-surface-muted);
  outline: 2px solid var(--b26-line);
  outline-offset: 6px;
}

.b26-blog-article .b26-article-sources time {
  color: var(--b26-muted);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
}

.b26-blog-article .b26-article-disclosure {
  margin: 30px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--b26-accent);
  border-radius: 0 var(--b26-radius-control) var(--b26-radius-control) 0;
  background: var(--b26-surface-muted);
  color: var(--b26-muted);
  font-size: 14px;
  line-height: 1.75;
}

.b26-blog-article .b26-article-disclosure > :last-child {
  margin-bottom: 0;
}

.b26-blog-article .b26-article-related {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--b26-line);
}

.b26-blog-article .b26-article-related h2 {
  font-size: 24px;
}

.b26-blog-article .b26-article-related ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.b26-blog-article .b26-article-related li + li {
  margin-top: 0;
}

.b26-blog-article .b26-article-related a {
  display: block;
  min-height: 44px;
  padding: 12px 0;
  border-bottom: 1px solid var(--b26-line);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

/* Sticky navigation is opt-in only on an adequately tall desktop viewport.
   An unusually long TOC can scroll locally without clipping the article. */
@media (min-width: 981px) and (min-height: 740px) {
  .b26-blog-article .b26-article-toc {
    position: sticky;
    top: 104px;
    max-height: calc(100vh - 128px);
    padding: 7px 8px;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

@media (max-width: 980px) {
  .b26-blog-article .b26-article-layout {
    grid-template-columns: minmax(0, 70ch);
    gap: 32px;
    margin-top: 38px;
  }

  .b26-blog-article .b26-article-toc {
    position: static;
    max-height: none;
    padding: 20px;
    overflow: visible;
    border: 1px solid var(--b26-line);
    border-radius: var(--b26-radius-surface);
    background: var(--b26-surface);
  }
}

@media (max-width: 620px) {
  .b26-blog-article {
    padding: 28px 0 56px;
    font-size: 16px;
  }

  .b26-blog-article .b26-article-breadcrumb {
    margin-bottom: 24px;
  }

  .b26-blog-article .b26-article-lede {
    margin-top: 20px;
    font-size: 17px;
  }

  .b26-blog-article .b26-article-meta {
    gap: 8px 16px;
  }

  .b26-blog-article .b26-article-hero {
    margin-top: 28px;
  }

  .b26-blog-article .b26-article-body section + section {
    margin-top: 36px;
  }

  .b26-blog-article .b26-article-body pre {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .b26-blog-article,
  .b26-blog-article *,
  .b26-blog-article *::before,
  .b26-blog-article *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  .b26-blog-article {
    width: 100%;
    margin: 0;
    padding: 0;
    font-size: 10.5pt;
    line-height: 1.6;
  }

  .b26-blog-article .b26-article-header,
  .b26-blog-article .b26-article-body,
  .b26-blog-article .b26-article-hero {
    max-width: 100%;
  }

  .b26-blog-article .b26-article-header h1 {
    max-width: 100%;
    font-size: 26pt;
  }

  .b26-blog-article .b26-article-lede {
    font-size: 12pt;
  }

  .b26-blog-article .b26-article-layout {
    display: block;
    margin-top: 28px;
  }

  .b26-blog-article .b26-article-breadcrumb,
  .b26-blog-article .b26-article-toc {
    display: none;
  }

  .b26-blog-article h1,
  .b26-blog-article h2,
  .b26-blog-article h3 {
    break-after: avoid;
  }

  .b26-blog-article p,
  .b26-blog-article li {
    orphans: 3;
    widows: 3;
  }

  .b26-blog-article .b26-article-hero,
  .b26-blog-article .b26-article-sources li {
    break-inside: avoid;
  }

  .b26-blog-article .b26-article-body pre,
  .b26-blog-article .b26-article-body pre code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    overflow: visible;
  }

  .b26-blog-article .b26-article-sources a[href^="https://"]::after,
  .b26-blog-article .b26-article-sources a[href^="http://"]::after {
    content: " (" attr(href) ")";
    color: var(--b26-muted);
    font-size: .85em;
    font-weight: 400;
    overflow-wrap: anywhere;
  }
}