:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8fb;
  color: #172033;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f6f8fb; }
a { color: #0a6678; text-underline-offset: 3px; }
a:hover { color: #063d49; }
.skip-link { position: absolute; left: -999px; top: 12px; z-index: 50; padding: 10px 12px; background: #ffffff; color: #172033; border-radius: 8px; }
.skip-link:focus { left: 12px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid #dce4ef;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; max-width: min(300px, 62vw); padding: 4px 10px; border: 1px solid #d6e2ef; border-radius: 8px; background: #ffffff; }
.brand img { display: block; width: auto; max-width: 100%; height: clamp(38px, 4.4vw, 50px); object-fit: contain; }
.primary-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; font-size: 0.92rem; }
.primary-nav a { padding: 9px 10px; border-radius: 8px; color: #3e4c63; text-decoration: none; }
.primary-nav a[aria-current="page"], .primary-nav a:hover { background: #e8f3f5; color: #0a6678; }
.article-shell { width: min(1120px, 100%); margin: 0 auto; padding: 28px clamp(16px, 4vw, 36px) 56px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; color: #627086; font-size: 0.9rem; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #9aa7ba; }
.article-card { border: 1px solid #dce4ef; border-radius: 8px; background: #ffffff; box-shadow: 0 18px 60px rgba(23, 32, 51, 0.08); overflow: hidden; }
.article-hero { padding: clamp(28px, 5vw, 56px); background: linear-gradient(180deg, #eef7f8, #ffffff); }
.eyebrow { margin: 0 0 12px; color: #806016; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { max-width: 900px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.25rem, 5vw, 4.6rem); line-height: 0.98; font-weight: 500; letter-spacing: 0; }
.article-hero p { max-width: 760px; color: #526177; font-size: 1.04rem; line-height: 1.65; }
.review-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.review-badge, .tracker-link, .context-links a { display: inline-flex; align-items: center; min-height: 38px; border-radius: 999px; padding: 8px 12px; font-size: 0.86rem; font-weight: 750; text-decoration: none; }
.review-badge { border: 1px solid #cbd7e6; color: #344258; background: #ffffff; }
.tracker-link, .context-links a { border: 1px solid #a7d7df; color: #0a6678; background: #e8f7f9; }
.medical-disclaimer, .source-block { margin: 24px clamp(20px, 5vw, 56px); padding: 18px 20px; border: 1px solid #f0c078; border-radius: 8px; background: #fff8eb; color: #4f3d1e; }
.medical-disclaimer h2, .source-block h2 { margin-top: 0; font-size: 1rem; }
.medical-disclaimer p, .source-block p { margin-bottom: 0; }
.context-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 clamp(20px, 5vw, 56px) 24px; }
.article-content { padding: 0 clamp(20px, 5vw, 56px) 16px; }
.article-content h2, .related-reading h2 { margin: 34px 0 12px; color: #172033; font-size: clamp(1.45rem, 3vw, 2.05rem); line-height: 1.18; }
.article-content h3 { margin: 26px 0 10px; font-size: 1.18rem; }
.article-content p, .article-content li, .source-block p, .source-block li { color: #344258; line-height: 1.72; font-size: 1rem; }
.article-content ul, .article-content ol { padding-left: 1.35rem; }
.article-content li { margin: 7px 0; }
blockquote { margin: 20px 0; padding: 16px 18px; border-left: 4px solid #0a6678; background: #eef7f8; color: #253248; }
.table-wrap { width: 100%; overflow-x: auto; margin: 18px 0; border: 1px solid #dce4ef; border-radius: 8px; }
table { width: 100%; min-width: 640px; border-collapse: collapse; background: #ffffff; }
th, td { padding: 12px 14px; border-bottom: 1px solid #dce4ef; text-align: left; vertical-align: top; line-height: 1.5; }
th { color: #172033; background: #eef3f8; font-size: 0.84rem; text-transform: uppercase; letter-spacing: 0.05em; }
tr:last-child td { border-bottom: 0; }
.faq-list { display: grid; gap: 10px; margin-top: 22px; }
details { border: 1px solid #dce4ef; border-radius: 8px; background: #fbfdff; }
summary { cursor: pointer; padding: 16px 18px; color: #172033; font-weight: 800; }
details p { padding: 0 18px 18px; margin: 0; }
.source-block { border-color: #b9d7e0; background: #eef7f8; color: #253248; }
.source-block ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 18px; margin-bottom: 0; }
.related-reading { padding: 0 clamp(20px, 5vw, 56px) 48px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.related-card { display: grid; gap: 8px; min-height: 132px; padding: 16px; border: 1px solid #dce4ef; border-radius: 8px; color: #172033; background: #fbfdff; text-decoration: none; }
.related-card span { color: #526177; line-height: 1.5; }
.related-card:hover { border-color: #8bc6d0; background: #eef7f8; }
.site-footer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 32px clamp(18px, 4vw, 56px); border-top: 1px solid #dce4ef; background: #172033; color: #e9eef6; }
.site-footer div { display: grid; gap: 8px; align-content: start; }
.site-footer h2 { margin: 0 0 6px; font-size: 0.82rem; color: #9ed6df; text-transform: uppercase; letter-spacing: 0.08em; }
.site-footer a { color: #e9eef6; text-decoration: none; }
.site-footer a:hover { color: #9ed6df; text-decoration: underline; }
a:focus-visible, summary:focus-visible { outline: 2px solid #0a6678; outline-offset: 3px; }
@media (max-width: 760px) {
  .site-header { position: static; grid-template-columns: 1fr; }
  .primary-nav { justify-content: flex-start; }
  .article-shell { padding-top: 18px; }
  .article-hero, .article-content, .related-reading { padding-inline: 20px; }
  .medical-disclaimer, .source-block, .context-links { margin-inline: 20px; }
  .site-footer { grid-template-columns: 1fr; }
}