/* Existing navigation content, styled for the approved PGI header. */
.concept-header #primary-nav{gap:16px}
.concept-header .pgi-menu-section{position:static}
.concept-header .pgi-menu-section summary{list-style:none;display:flex;align-items:center;gap:10px;cursor:pointer}
.concept-header .pgi-menu-section summary::-webkit-details-marker{display:none}
.concept-header .pgi-menu-section summary::marker{content:''}
.concept-header .pgi-menu-section summary>a{flex:1;min-width:0;text-decoration:none}
.concept-header .pgi-category-toggle{border:1px solid currentColor;background:transparent;color:inherit;border-radius:50%;width:24px;height:24px;flex:0 0 24px;padding:0;display:grid;place-items:center;font:18px/1 Arial,sans-serif;cursor:pointer}
.concept-header .pgi-category-toggle:focus-visible,.concept-header .pgi-category-title:focus-visible{outline:2px solid #b60000;outline-offset:4px}
.concept-header .pgi-menu-panel{position:fixed;inset-inline:24px;top:var(--pgi-menu-top,104px);max-height:calc(100dvh - var(--pgi-menu-top,104px) - 20px);overflow-y:auto;overscroll-behavior:contain;padding:24px 32px;background:#f5f3ee;color:#20282a;border:1px solid #d7d2c9;box-shadow:0 15px 24px #0002;z-index:70;white-space:normal;font-size:15px;line-height:1.5}
.concept-header .pgi-menu-panel [hidden]{display:none!important}
.concept-header .pgi-menu-panel details{border-bottom:1px solid #d7d2c9;padding:8px 0}
.concept-header .pgi-menu-panel summary{padding:6px 0;min-height:44px}
.concept-header .pgi-menu-panel .pgi-menu-children{padding-inline-start:24px}
.concept-header .pgi-menu-panel .pgi-menu-articles{list-style:none;margin:0;padding:0}
.concept-header .pgi-menu-panel li>a{display:block;padding:9px 0;text-decoration:none}
.concept-header .pgi-menu-panel a:hover{color:#a32618;text-decoration:underline}
.concept-header .pgi-menu-panel .pgi-category-toggle{width:32px;height:32px;flex-basis:32px;color:#a32618}
@media(min-width:1081px){.concept-header #primary-nav{font-size:11px}.concept-header .header-inner{gap:16px}.concept-header .header-tools{gap:12px}}
@media(max-width:1300px) and (min-width:1081px){.concept-header #primary-nav{gap:10px}.concept-header .header-tools>.button{padding-inline:12px;font-size:11px}.concept-header .brand small{display:none}}
@media(max-width:1080px){.concept-header #primary-nav>.pgi-menu-section>summary{padding:12px 0;min-height:48px;border-bottom:1px solid #ffffff33}.concept-header #primary-nav>.pgi-menu-section>summary>a{padding:0;border:0}.concept-header .pgi-menu-panel{position:static;max-height:none;overflow:visible;padding:14px;box-shadow:none;border:0;margin-bottom:12px}.concept-header #primary-nav .pgi-menu-panel a{border:0}.concept-header #primary-nav .pgi-menu-panel summary>a{padding:0}.concept-header #primary-nav .pgi-menu-panel li>a{padding:9px 0}.concept-header .pgi-menu-panel .pgi-menu-children{padding-inline-start:12px}.concept-header .pgi-category-toggle{width:36px;height:36px;flex-basis:36px}}