.course-site-header{--course-chrome-paper:var(--cl-paper,var(--hub-paper,#f8f1df));--course-chrome-accent:var(--cl-primary,var(--dir-color,#263dbe));--course-chrome-line:#15172029;font-family:var(--font-sans);color:#151720;z-index:30;position:relative}.course-site-header .journal-header{border-color:var(--course-chrome-line);background:#fffdf8;padding-inline:clamp(18px,4vw,64px)}.course-site-header .journal-logo{white-space:nowrap}.course-site-header .journal-logo span,.course-site-header .journal-header .journal-primary-nav a.is-current,.course-site-header .journal-nav-group.is-current>summary{color:var(--course-chrome-accent)}.course-site-header .journal-nav-group__links{border-color:var(--course-chrome-line);background:#fffdf8;border-radius:10px;box-shadow:0 12px 32px #1517201c}.course-site-header .journal-header :is(a,button,summary):focus-visible{outline:3px solid var(--course-chrome-accent);outline-offset:4px}.course-site-sectionbar a:focus-visible{outline:3px solid var(--course-chrome-accent);outline-offset:4px}.course-site-sectionbar{border-bottom:1px solid var(--course-chrome-line);background:var(--course-chrome-paper);justify-content:space-between;align-items:center;gap:20px;min-height:58px;padding:10px clamp(18px,4vw,64px);display:flex}.course-site-sectionmark{letter-spacing:.025em;flex:none;align-items:center;gap:9px;font-size:12px;font-weight:800;text-decoration:none;display:inline-flex}.course-site-sectionmark .cl-author-mark{width:30px;height:30px;color:var(--course-chrome-accent)}.course-site-sectionmark .cl-author-mark-ring,.course-site-sectionmark .cl-author-mark-phi{stroke:currentColor}.course-site-sectionbar nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px 24px;display:flex}.course-site-sectionbar nav a{padding:5px 0;font-size:12px;font-weight:650;line-height:1.5;text-decoration:none}.course-site-sectionbar nav a:hover,.course-site-sectionbar nav a[aria-current=page]{color:var(--course-chrome-accent);text-underline-offset:5px;text-decoration:underline}@media (max-width:1179px){.course-site-header .journal-nav-group__links{box-shadow:none;border-left-color:var(--course-chrome-accent);background:0 0;border-radius:0}}@media (max-width:600px){.course-site-sectionbar{flex-direction:column;align-items:flex-start;gap:6px;padding-block:9px}.course-site-sectionmark .cl-author-mark{width:24px;height:24px}.course-site-sectionmark{font-size:10px}.course-site-sectionbar nav{justify-content:flex-start;gap:4px 18px;width:100%}.course-site-sectionbar nav a{font-size:11px}}@media (max-width:420px){.course-site-header .journal-header{gap:9px}.course-site-header .journal-header .journal-logo{font-size:17px}.course-site-header .journal-search-link{padding:7px;font-size:12px}.course-site-header .journal-menu-toggle{gap:7px;font-size:12px}}@media (max-width:350px){.course-site-header .journal-header{gap:7px;padding-inline:14px}.course-site-header .journal-header .journal-logo{font-size:15px}.course-site-header .journal-search-link{padding:6px;font-size:11px}.course-site-header .journal-menu-toggle{gap:6px;padding:6px;font-size:11px}.course-site-sectionbar{padding-inline:14px}}