.learning-site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid color-mix(in srgb,var(--learning-pack-forest) 16%,transparent);background:color-mix(in srgb,var(--learning-pack-paper) 90%,transparent);backdrop-filter:blur(16px)}
.learning-header-shell{display:grid;grid-template-columns:minmax(12rem,18rem) 1fr;align-items:center;gap:2rem;min-height:5.4rem}
.learning-brand{display:block;width:min(100%,17rem)}
.learning-brand img{aspect-ratio:3.2/1;object-fit:contain;object-position:left center}
.learning-primary-nav{justify-self:end}
.learning-nav-list,.learning-nav-list .sub-menu{margin:0;padding:0;list-style:none}
.learning-nav-list{display:flex;align-items:center;gap:.35rem}
.learning-nav-list li{position:relative}
.learning-nav-list a{display:flex;align-items:center;gap:.45rem;padding:.7rem 1rem;border-radius:.45rem;color:var(--learning-pack-ink);font-size:.92rem;font-weight:650;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.learning-nav-list>li.menu-item-has-children>a::after{width:.42rem;height:.42rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;content:"";transform:translateY(-2px) rotate(45deg);transition:transform .2s ease}
.learning-nav-list a:hover,.learning-nav-list a:focus-visible,.learning-nav-list .current-menu-item>a,.learning-nav-list .current_page_item>a,.learning-nav-list .current-menu-ancestor>a,.learning-nav-list .current_page_ancestor>a{background:var(--learning-pack-forest);color:#fff;transform:translateY(-1px)}
.learning-nav-list a:focus-visible{outline:3px solid color-mix(in srgb,var(--learning-pack-lime) 75%,#fff);outline-offset:3px}
.learning-nav-list .sub-menu{position:absolute;top:calc(100% + .55rem);right:0;z-index:60;display:grid;min-width:13.5rem;padding:.45rem;border:1px solid color-mix(in srgb,var(--learning-pack-forest) 15%,transparent);border-radius:.7rem;background:var(--learning-pack-paper);box-shadow:0 1rem 2.5rem color-mix(in srgb,var(--learning-pack-forest) 18%,transparent);opacity:0;pointer-events:none;transform:translateY(-.4rem);transition:opacity .18s ease,transform .18s ease}
.learning-nav-list .sub-menu::before{position:absolute;right:0;bottom:100%;left:0;height:.6rem;content:""}
.learning-nav-list .sub-menu a{padding:.7rem .8rem;white-space:nowrap}
.learning-nav-list li:hover>.sub-menu,.learning-nav-list li:focus-within>.sub-menu{opacity:1;pointer-events:auto;transform:translateY(0)}
.learning-nav-list>li.menu-item-has-children:hover>a::after,.learning-nav-list>li.menu-item-has-children:focus-within>a::after{transform:translateY(1px) rotate(225deg)}
.learning-menu-toggle{display:none}
.admin-bar .learning-site-header{top:32px}