.oa-article {
  --oa-article-accent: #002f5f;
  --oa-article-toc-offset: 96px;
  background: #fff;
  min-height: 42vh;
}
.oa-article.oa-full-bleed {
  overflow: visible;
}
.oa-article * { box-sizing: border-box; }

/* `overflow: hidden` on a scrolling ancestor disables CSS sticky. */
html:has(body.single),
html:has(body.single-post),
html.oa-has-article,
body.single,
body.single-post {
  overflow-x: clip;
}

/* Hello Elementor may output its own branding header before the Bitelli header. */
body.single #site-header,
body.single-post #site-header,
body.single .site-header:not(.oa-header),
body.single-post .site-header:not(.oa-header) {
  display: none !important;
}

/* Keep only the Bitelli footer; suppress the parent theme footer. */
body.single #site-footer,
body.single-post #site-footer,
body.single .site-footer:not(.oa-footer),
body.single-post .site-footer:not(.oa-footer) {
  display: none !important;
}

/* On article pages the header starts over the light hero and becomes blue on scroll. */
body.single .oa-header,
body.single-post .oa-header {
  background: transparent;
  color: #131b25;
  box-shadow: none;
}
body.single .oa-header.is-scrolled,
body.single-post .oa-header.is-scrolled {
  background: #002f5f;
  color: var(--oa-text-white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .18);
}
body.single .oa-header:not(.is-scrolled) .oa-brand-logo img,
body.single-post .oa-header:not(.is-scrolled) .oa-brand-logo img {
  filter: brightness(0) saturate(100%);
}
body.single .oa-header:not(.is-scrolled) .oa-nav-item > a,
body.single-post .oa-header:not(.is-scrolled) .oa-nav-item > a { color: #131b25; }
body.single .oa-header.is-nav-open .oa-brand-logo img,
body.single-post .oa-header.is-nav-open .oa-brand-logo img,
body.single .oa-header.is-scrolled .oa-brand-logo img,
body.single-post .oa-header.is-scrolled .oa-brand-logo img { filter: none; }
body.single .oa-header.is-nav-open .oa-nav-item > a,
body.single-post .oa-header.is-nav-open .oa-nav-item > a,
body.single .oa-header.is-scrolled .oa-nav-item > a,
body.single-post .oa-header.is-scrolled .oa-nav-item > a { color: var(--oa-text-white); }

body.single .oa-header:not(.is-scrolled) .oa-nav-toggle,
body.single-post .oa-header:not(.is-scrolled) .oa-nav-toggle {
  border-color: rgba(19, 27, 37, .32);
}
body.single .oa-header:not(.is-scrolled) .oa-nav-toggle-bar,
body.single-post .oa-header:not(.is-scrolled) .oa-nav-toggle-bar {
  background: #131b25 !important;
}
body.single .oa-header.is-nav-open .oa-nav-toggle-bar,
body.single-post .oa-header.is-nav-open .oa-nav-toggle-bar { background: #fff !important; }

.oa-article-hero {
  position: relative;
  box-sizing: border-box;
  min-height: 460px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid #dce5eb;
  background-color: #f7f8fa;
  background-image: none !important;
  background-position: center 30%;
  background-size: cover;
  color: #131b25;
}

.oa-article-hero-overlay {
  position: absolute;
  inset: 0;
  display: none;
}
.oa-article-hero:not(.oa-article-hero--image) .oa-article-hero-overlay {
  background: none;
}

.oa-article-hero-inner {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 174px var(--oa-content-padding) 76px;
  text-align: center;
}

.oa-article-hero-kicker {
  margin: 0 0 16px;
  font-family: var(--oa-font-header);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #1d6b95;
}

.oa-article-hero .oa-article-title {
  max-width: 900px;
  margin: 0 auto;
  font-weight: 500;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.1;
  color: #002f5f;
  text-wrap: balance;
}

.oa-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--oa-font-header);
  font-size: 14px;
  color: #65727e;
  justify-content: center;
}

.oa-article-inner {
  max-width: 1120px;
  padding-left: var(--oa-content-padding);
  padding-right: var(--oa-content-padding);
  padding-top: 72px;
  padding-bottom: 88px;
  margin-left: auto;
  margin-right: auto;
}

.oa-article-title {
  margin: 0 0 40px;
  font-family: var(--oa-font-header);
  font-weight: 700;
  font-size: 36px;
  color: var(--oa-article-accent);
}

.oa-article-layout {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 720px);
  justify-content: center;
  gap: 72px;
  align-items: start;
}

.oa-article-sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: var(--oa-article-toc-offset);
  align-self: start;
  height: fit-content;
  overflow: visible;
}

.oa-article-toc {
  max-height: calc(100vh - var(--oa-article-toc-offset) - 40px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.oa-article-toc-label {
  margin: 0 0 16px;
  font-family: var(--oa-font-header);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #002f5f;
}

.oa-article-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid #d6e1e9;
}

.oa-article-toc-item { margin: 0; }

.oa-article-toc-link {
  display: block;
  padding: 10px 0 10px 18px;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-family: var(--oa-font-header);
  font-size: 14px;
  line-height: 1.4;
  color: var(--oa-text-regular);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease;
}
.oa-article-toc-link:hover,
.oa-article-toc-link:focus-visible {
  color: var(--oa-article-accent);
  outline: none;
}
.oa-article-toc-link.oa-article-toc-link--active {
  border-left-color: var(--oa-article-accent);
  color: var(--oa-article-accent);
  font-weight: 700;
}

.oa-article-content { min-width: 0; }

.oa-article-intro {
  margin: 0 0 40px;
  font-family: var(--oa-font-header);
  font-size: 16px;
  line-height: 1.75;
  color: var(--oa-text-regular);
}
.oa-article-intro p { margin: 0 0 16px; }
.oa-article-intro p:last-child { margin-bottom: 0; }

.oa-article-section {
  scroll-margin-top: var(--oa-article-toc-offset);
  padding-top: 32px;
  margin-top: 8px;
  border-top: 1px solid var(--oa-border-light);
}
.oa-article-section:first-of-type { border-top: none; }

.oa-article-heading {
  margin: 0 0 18px;
  font-family: var(--oa-font-header);
  font-weight: 700;
  font-size: 24px;
  color: var(--oa-text-dark);
}

.oa-article-content--full {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.oa-article-body {
  font-family: var(--oa-font-body);
  font-size: 17px;
  line-height: 1.85;
  color: #344454;
}
.oa-article-body p,
.oa-article-body ul,
.oa-article-body ol,
.oa-article-body blockquote,
.oa-article-body figure,
.oa-article-body table,
.oa-article-body pre { margin: 0 0 20px; }
.oa-article-body > *:last-child { margin-bottom: 0; }
.oa-article-body ul,
.oa-article-body ol { padding-left: 22px; }
.oa-article-body a { color: var(--oa-article-accent); }
.oa-article-body strong { color: var(--oa-text-dark); }

.oa-article-body--post h2,
.oa-article-body--post h3,
.oa-article-body--post h4 {
  scroll-margin-top: var(--oa-article-toc-offset);
  font-family: var(--oa-font-header);
  font-weight: 700;
  color: var(--oa-text-dark);
}
.oa-article-body--post h2 {
  margin: 52px 0 20px;
  padding-top: 36px;
  border-top: 1px solid var(--oa-border-light);
  font-size: 28px;
  line-height: 1.3;
}
.oa-article-body--post h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.oa-article-body--post h3 { margin: 32px 0 14px; font-size: 19px; }
.oa-article-body--post h4 { margin: 24px 0 12px; font-size: 16px; }

.oa-article-body img { display: block; max-width: 100%; height: auto; border-radius: var(--oa-radius-sm); }
.oa-article-body figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--oa-text-regular);
  text-align: center;
}

.oa-article-body blockquote {
  padding: 4px 24px;
  border-left: 3px solid var(--oa-article-accent);
  font-style: italic;
  color: var(--oa-text-dark);
}
.oa-article-body blockquote p:last-child { margin-bottom: 0; }

.oa-article-body pre,
.oa-article-body code {
  font-family: var(--oa-font-mono);
  font-size: 14px;
}
.oa-article-body pre {
  padding: 16px 20px;
  background: #131b25;
  color: #e6e8ea;
  border-radius: var(--oa-radius-sm);
  overflow-x: auto;
}
.oa-article-body code {
  padding: 2px 6px;
  background: #eef0f3;
  border-radius: 3px;
}
.oa-article-body pre code { padding: 0; background: transparent; }

.oa-article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.oa-article-body th,
.oa-article-body td {
  padding: 10px 14px;
  border: 1px solid var(--oa-border-light);
  text-align: left;
}
.oa-article-body th { background: #eef0f3; color: var(--oa-text-dark); }

@media (max-width: 900px) {
  .oa-article-layout { grid-template-columns: 1fr; gap: 32px; }
  .oa-article-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
    padding: 22px 24px;
    border: 1px solid #dce5eb;
    border-radius: 8px;
    background: #f7fafc;
  }
  .oa-article-toc { max-height: none; overflow: visible; }
  .oa-article-toc-list { display: flex; flex-wrap: wrap; gap: 4px 20px; border-left: none; }
  .oa-article-toc-link { padding: 6px 0; border-left: none; border-bottom: 2px solid transparent; }
  .oa-article-toc-link.oa-article-toc-link--active { border-left-color: transparent; border-bottom-color: var(--oa-article-accent); }
  .oa-article-title { font-size: 30px; }
}
@media (max-width: 640px) {
  .oa-article-hero { min-height: 390px; }
  .oa-article-hero-inner { padding-top: 132px; padding-bottom: 54px; }
  .oa-article-hero .oa-article-title { font-size: 34px; }
  .oa-article-inner { padding-top: 32px; padding-bottom: 40px; }
  .oa-article-title { font-size: 26px; margin-bottom: 28px; }
  .oa-article-heading { font-size: 20px; }
}