/* Scoped navigation: keep all existing clinical content and hero styles. */
.db-header,.db-header *,.db-listing *{box-sizing:border-box}
.db-header{position:fixed;inset:0 0 auto;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid #dbeaf2;font-family:Inter,system-ui,sans-serif;color:#173b64;backdrop-filter:blur(12px)}
.db-bar{height:80px;max-width:1140px;padding:0 28px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:26px}
.db-logo{display:flex;flex-direction:column;flex-shrink:0;text-decoration:none!important;color:#173b64!important;line-height:1.1}
.db-logo b{font-size:24px;font-weight:900;letter-spacing:-.5px}.db-logo b span{color:#3798c7}.db-logo small{font-size:8px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;margin-top:4px;color:#55708b}
.db-links{display:flex;align-items:center;gap:22px}.db-links>a,.db-services>summary{color:#173b64;text-decoration:none;font-size:14px;font-weight:650;white-space:nowrap;padding:12px 0;line-height:1.5;cursor:pointer}
.db-links>a:hover,.db-services>summary:hover,.db-links>a[aria-current]{color:#167da8}.db-links>a[aria-current]{text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:2px}
.db-services{position:relative}.db-services>summary{list-style-position:inside}.db-services>summary::marker{font-size:9px;color:#3798c7}
.db-submenu{position:absolute;top:calc(100% + 10px);left:-22px;width:310px;padding:8px;background:white;border:1px solid #dbeaf2;border-radius:14px;box-shadow:0 14px 35px #173b641c}
.db-submenu a{display:block;padding:15px 14px;color:#173b64;text-decoration:none;border-radius:9px;white-space:normal;line-height:1.4}.db-submenu a+a{border-top:1px solid #e8f1f7}.db-submenu a:hover{background:#f0f8fc}.db-submenu strong{display:block;font-size:15px}.db-submenu small{display:block;font-size:12px;color:#55708b;margin-top:5px}
.db-book,.db-read{background:#3798c7;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;min-height:46px;line-height:1.3;color:white!important;text-decoration:none!important;font-weight:800;font-size:15px;white-space:nowrap}.db-book:hover,.db-read:hover{background:#167da8}
.db-toggle{display:none;background:white;border:1px solid #c8dfe9;border-radius:9px;color:#173b64;font:650 14px Inter,system-ui,sans-serif;padding:10px 13px;min-height:44px;cursor:pointer}
.db-header :focus-visible,.db-listing a:focus-visible{outline:3px solid #2196c4;outline-offset:4px}
.db-article-page{padding-top:80px}.db-article-page .sidebar{top:105px}.db-article-page .article-section{scroll-margin-top:105px}.db-article-page .skip{z-index:110}
.db-listing{margin:0;font-family:Inter,system-ui,sans-serif;color:#173b64;background:#f6fbfe;-webkit-font-smoothing:antialiased}
.db-library{padding:112px 28px 64px;min-height:calc(100vh - 100px)}.db-library-inner{max-width:1120px;margin:auto}.db-crumb{display:flex;gap:10px;font-size:13px;color:#55708b;margin-bottom:44px}.db-crumb a{color:#55708b;text-decoration:none}.db-crumb a:hover{text-decoration:underline}
.db-kicker{font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:#167da8;margin:0 0 15px}.db-library h1{font-size:48px;letter-spacing:-.045em;line-height:1.12;margin:0 0 20px;font-weight:800}.db-intro{font-size:18px;line-height:1.65;max-width:730px;color:#55708b;margin:0 0 38px}
.db-feature{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;background:white;border:1px solid #dbeaf2;border-radius:20px}.db-feature-image{display:flex;align-items:center;background:#eef7fc;padding:18px}.db-feature-image img{display:block;width:100%;height:auto;border-radius:12px}.db-feature-copy{padding:32px 34px}.db-category{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.085em;color:#167da8;margin:0 0 15px}.db-feature h2{font-size:28px;letter-spacing:-.035em;line-height:1.22;margin:0 0 16px}.db-feature h2 a{color:inherit;text-decoration:none}.db-feature h2 a:hover{text-decoration:underline}.db-feature-copy>p:not(.db-category){font-size:16px;line-height:1.65;color:#55708b;margin:0 0 20px}.db-byline{display:flex;align-items:center;gap:12px;margin:0 0 25px}.db-byline img{width:44px;height:44px;object-fit:cover;object-position:50% 18%;border-radius:50%}.db-byline strong{display:block;font-size:13px}.db-byline span{display:block;font-size:11px;line-height:1.55;color:#55708b;margin-top:4px}.db-library-footer{max-width:1176px;margin:auto;padding:26px 28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #dbeaf2}.db-library-footer strong{font-size:16px}.db-library-footer span{display:block;font-size:11px;color:#55708b;margin-top:5px}.db-library-footer>a{font-size:14px;color:#167da8}
@media(max-width:1100px){.db-bar{height:80px}.db-toggle{display:block}.db-book{display:none}.db-links{display:none;position:fixed;top:80px;left:0;right:0;background:#fff;max-height:calc(100dvh - 80px - 96px);overflow-y:auto;padding:8px 22px 16px;border-bottom:1px solid #dbeaf2;box-shadow:0 14px 28px #173b6414;overscroll-behavior:contain}.db-links.db-open{display:block}.db-links>a,.db-services>summary{display:block;font-size:18px;padding:15px 2px;white-space:normal;border-bottom:1px solid #e6eff5}.db-services>summary{display:list-item;list-style-position:inside}.db-submenu{position:static;width:auto;border:0;border-radius:12px;box-shadow:none;margin:0 0 8px;background:#f3f9fd;padding:3px 10px}.db-submenu a{padding:13px 10px}.db-submenu strong{font-size:16px}.db-submenu small{font-size:13px}.db-links>a[aria-current]{text-decoration:none;font-weight:800}.db-feature-copy{padding:26px}.db-feature h2{font-size:25px}}
@media(max-width:600px){.db-bar{height:72px;padding:0 20px}.db-logo b{font-size:22px}.db-logo small{font-size:8px;letter-spacing:.02em;text-transform:none}.db-links{top:72px;max-height:calc(100dvh - 72px - 96px)}.db-library{padding:97px 20px 35px}.db-crumb{font-size:12px;margin-bottom:30px}.db-kicker{font-size:10px}.db-library h1{font-size:34px;margin-bottom:17px}.db-intro{font-size:17px;line-height:1.6;margin-bottom:26px}.db-feature{display:flex;flex-direction:column;border-radius:16px}.db-feature-image{padding:10px}.db-feature-copy{padding:22px}.db-feature h2{font-size:25px;line-height:1.25}.db-feature-copy>p:not(.db-category){font-size:16px}.db-category{font-size:10px;line-height:1.6}.db-byline span{font-size:11px}.db-read{width:100%;min-height:48px;font-size:16px}.db-library-footer{margin:0 20px;padding:24px 0 30px;align-items:flex-start;flex-direction:column;gap:18px}.db-article-page{padding-top:72px}}
@media(prefers-reduced-motion:reduce){.db-header *, .db-listing *{scroll-behavior:auto!important;transition:none!important}}