/* Expanded navigation: existing hardware styling with compact support/search. */
@media(max-width:1199px){.gp-home .gp-header .gp-mobile-nav>nav{display:flex;flex-direction:column;align-items:stretch}}
/* Existing header and hardware controls remain the foundation. */
.gp-home{--nav-panel-bg:linear-gradient(115deg,#191b16,#0b0d09);--nav-trim:#77674e;--nav-highlight:#d3b17f;--nav-small:12px;--nav-link:16px;--nav-panel-width:360px;min-height:100dvh}
.gp-home .gp-desktop-nav{white-space:nowrap}
.gp-home .gp-support-menu>summary,.gp-home .gp-search-menu>summary{list-style:none;display:flex;align-items:center;gap:var(--gp-s8);min-height:44px;cursor:pointer;color:var(--gp-ivory)}
.gp-home :is(.gp-support-menu,.gp-search-menu)>summary::-webkit-details-marker{display:none}
.gp-home .gp-support-menu>summary{font-size:var(--nav-link)}
.gp-home .gp-support-menu{position:relative}
.gp-home .gp-support-menu[open]>summary{color:var(--nav-highlight)}
.gp-home .gp-support-menu[open]>summary .gp-menu-chevron{transform:rotate(180deg)}
.gp-home .gp-support-panel,.gp-home .gp-search-panel{position:absolute;top:calc(100% + 22px);right:0;width:var(--nav-panel-width);padding:var(--gp-s24);background:var(--nav-panel-bg);border:1px solid var(--nav-trim);border-top:2px solid var(--nav-highlight);box-shadow:0 24px 48px #000b;white-space:normal}
.gp-home .gp-support-label{font-size:11px;line-height:1.5;letter-spacing:.14em;text-transform:uppercase;color:var(--nav-highlight);margin-bottom:var(--gp-s16)}
.gp-home .gp-support-panel{left:0;right:auto}
.gp-home .gp-support-panel>a{color:var(--gp-ivory)}
.gp-home .gp-support-panel>a{display:flex;align-items:center;justify-content:space-between;gap:var(--gp-s16);min-height:72px;padding-block:var(--gp-s16);border-top:1px solid var(--gp-line);font-size:var(--nav-link);line-height:1.4}
.gp-home .gp-support-panel>a small{display:block;font-size:var(--nav-small);color:var(--gp-muted);margin-top:var(--gp-s8)}
.gp-home .gp-support-panel>a>span:last-child{color:var(--nav-highlight)}
.gp-home .gp-support-panel a:is(:hover,:focus-visible),.gp-home .gp-nav-about:is(:hover,:focus-visible){color:var(--nav-highlight)}
.gp-home .gp-support-legal{display:flex;gap:var(--gp-s24);margin-top:var(--gp-s16);padding-top:var(--gp-s16);border-top:1px solid var(--gp-line)}
.gp-home .gp-support-legal>a{display:flex;align-items:center;min-height:44px;font-size:var(--nav-small);color:var(--gp-muted)}
.gp-home .gp-search-menu>summary{justify-content:center;width:44px}
.gp-home .gp-search-panel{top:100%;right:var(--gp-gutter);width:480px}
.gp-home .gp-nav-search-form label{display:block;font-size:var(--nav-small);color:var(--nav-highlight);margin-bottom:var(--gp-s16);letter-spacing:.02em}
.gp-home .gp-nav-search-form>div{display:flex;gap:var(--gp-s8)}
.gp-home .gp-nav-search-form input{width:100%;min-width:0;min-height:48px;background:var(--gp-graphite);border:1px solid var(--nav-trim);border-radius:0;color:var(--gp-ivory);padding:var(--gp-s16);font-size:14px}
.gp-home .gp-nav-search-form button{width:48px;flex-shrink:0;padding:0;font-size:20px}
.gp-home .gp-nav-about{display:flex;align-items:center;justify-content:space-between;font-size:var(--nav-small);color:var(--gp-muted);min-height:44px;margin-top:var(--gp-s8)}
.gp-home .gp-nav-search-form{margin:0}
.gp-home .gp-header .gp-catalog-list>.gp-catalog-all,.gp-home .gp-header .gp-catalog-list>.gp-nav-about{display:flex;width:100%;justify-content:space-between}
.gp-home .gp-header .gp-mobile-nav .gp-support-menu>summary{flex-direction:row;text-align:left}
@media(max-width:1399px) and (min-width:1200px){.gp-home .gp-precision-header .gp-desktop-nav{gap:var(--gp-s16)}.gp-home .gp-header-actions{gap:var(--gp-s8)}}
@media(max-width:1199px){.gp-home .gp-search-menu{display:none}.gp-home .gp-mobile-nav>nav .gp-nav-search-form{padding-bottom:var(--gp-s24)}.gp-home .gp-mobile-nav>nav>.gp-support-menu{border-top:1px solid var(--gp-line);flex-shrink:0}.gp-home .gp-mobile-nav>nav>.gp-support-menu>summary{font-size:22px;padding-block:var(--gp-s16);justify-content:space-between}.gp-home .gp-mobile-nav>nav>a{display:flex;justify-content:space-between;font-size:22px}.gp-home .gp-support-panel{position:static;transform:none;width:100%;box-shadow:none;border:0;background:transparent;padding:var(--gp-s8) 0 var(--gp-s24)}.gp-home .gp-support-label{display:none}.gp-home .gp-support-panel>a{padding-inline:var(--gp-s16);border-top:0}.gp-home .gp-support-legal{padding-left:var(--gp-s16)}.gp-home .gp-concept-explanation{grid-template-columns:1fr;gap:var(--gp-s24)}}
@media(prefers-reduced-motion:reduce){.gp-home *{scroll-behavior:auto}}
/* Resource guides are grouped in the existing disclosure; header shell is unchanged. */
.gp-home .gp-resources-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;width:min(680px,calc(100vw - 48px));left:auto;right:0;max-height:calc(100dvh - var(--gp-header-space,88px) - 32px);overflow:auto;overscroll-behavior:contain}
.gp-home .gp-resources-panel>div>a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:80px;padding-block:16px;border-top:1px solid var(--gp-line);color:var(--gp-ivory);font-size:15px;line-height:1.4}
.gp-home .gp-resources-panel>div>a small{display:block;font-size:12px;color:var(--gp-muted);margin-top:8px}
.gp-home .gp-resources-panel>div>a>span:last-child{color:var(--nav-highlight)}
.gp-home .gp-catalog-group h3>a{display:inline-flex;align-items:center;gap:8px;min-height:32px;color:inherit}
.gp-home .gp-catalog-group h3>a:is(:hover,:focus-visible){color:var(--gp-ivory)}
@media(max-width:1199px){.gp-home .gp-resources-panel{grid-template-columns:1fr;width:100%;max-height:none;overflow:visible;gap:24px}.gp-home .gp-resources-panel .gp-support-label{display:block}.gp-home .gp-resources-panel>div>a{padding-inline:16px}.gp-home .gp-catalog-group h3>a{min-height:44px}}

/* @treatment nav/header: Resources shares the approved 3D menu's quiet, square-edged panel. */
.gp-home .gp-desktop-nav>.gp-support-menu{position:static}
.gp-home .gp-support-menu>.gp-resources-panel{display:block;top:100%;left:50%;right:auto;transform:translateX(-50%);width:min(1312px,calc(100% - 80px));padding:0;background:#141713;border:1px solid #3c4037;border-radius:0;box-shadow:0 32px 80px #03070366;color:#e9e7df;scrollbar-color:#69715d #141713}
.gp-home .gp-resources-top{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:16px 24px;border-bottom:1px solid #343730;font-size:12px;color:#aaada3}
.gp-home .gp-resources-close{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-height:44px;padding:0;background:transparent;border:0;border-radius:0;color:#aaada3;cursor:pointer;transition:color .22s cubic-bezier(.22,1,.36,1)}
.gp-home .gp-resources-close:is(:hover,:focus-visible){color:#d6c7a8}
.gp-home .gp-resources-grid{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr));gap:40px;padding:40px}
.gp-home .gp-resources-panel .gp-support-label{display:block;font-size:11px;line-height:1.5;letter-spacing:.14em;text-transform:uppercase;color:#aaada3;margin:0 0 24px}
.gp-home .gp-resources-intro h2{font-family:inherit;font-size:40px;line-height:1.12;font-weight:450;letter-spacing:-.05em;color:#e9e7df;margin:0 0 16px}
.gp-home .gp-resources-description{font-size:13px;line-height:1.7;color:#aaada3;max-width:32ch;margin:0 0 24px}
.gp-home .gp-resources-intro>.gp-resources-all{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;min-height:52px;padding:16px 24px;background:#d6c7a8;border:0;border-radius:0;color:#1d2118;font-size:13px;font-weight:600;line-height:1.3;text-decoration:none;text-underline-offset:.2em}
.gp-home .gp-resources-intro>.gp-resources-all:is(:hover,:focus-visible){color:#1d2118;text-decoration:underline}
.gp-home .gp-resources-all>span{transition:transform .3s cubic-bezier(.22,1,.36,1)}
.gp-home .gp-resources-all:is(:hover,:focus-visible)>span{transform:translate(2px,-2px)}
.gp-home .gp-resources-links>a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:88px;padding:16px 0;border-top:1px solid #343730;background:transparent;color:#e9e7df;font-size:16px;font-weight:500;line-height:1.4;text-decoration:none;transition:color .22s cubic-bezier(.22,1,.36,1),border-color .22s cubic-bezier(.22,1,.36,1)}
.gp-home .gp-resources-links>a small{display:block;font-size:12px;font-weight:400;line-height:1.6;color:#aaada3;margin-top:8px}
.gp-home .gp-resources-links>a>span:last-child{color:#d6c7a8;transition:transform .3s cubic-bezier(.22,1,.36,1)}
.gp-home .gp-resources-links>a:is(:hover,:focus-visible){color:#d6c7a8;border-top-color:#d6c7a8}
.gp-home .gp-resources-links>a:is(:hover,:focus-visible)>span:last-child{transform:translate(2px,-2px)}
.gp-home .gp-resources-panel :is(a,button):focus-visible{outline:3px solid #d6c7a8;outline-offset:3px}
@media(max-width:1199px){.gp-home .gp-support-menu>.gp-resources-panel{position:static;transform:none;width:100%;max-height:none;overflow:visible;background:#141713;border:1px solid #343730;box-shadow:none;margin-bottom:24px}.gp-home .gp-resources-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px}.gp-home .gp-resources-intro{grid-column:1/-1}.gp-home .gp-resources-intro h2{font-size:32px}.gp-home .gp-resources-description{max-width:50ch}.gp-home .gp-resources-top{padding:8px 24px;min-height:60px}.gp-home .gp-mobile-nav>nav .gp-resources-intro>.gp-resources-all{display:inline-flex;font-size:13px;min-height:52px}.gp-home .gp-mobile-nav>nav .gp-resources-links>a{justify-content:space-between;min-height:88px;font-size:16px}.gp-home .gp-resources-panel .gp-support-label{margin-bottom:16px}}
@media(max-width:600px){.gp-home .gp-resources-grid{grid-template-columns:1fr}.gp-home .gp-resources-intro{grid-column:auto}.gp-home .gp-resources-intro h2{font-size:32px}.gp-home .gp-resources-intro>.gp-resources-all{width:100%}}
@media(prefers-reduced-motion:reduce){.gp-home .gp-resources-panel *{transition:none!important}.gp-home .gp-resources-links>a:is(:hover,:focus-visible)>span:last-child,.gp-home .gp-resources-all:is(:hover,:focus-visible)>span{transform:none}}
@media(forced-colors:active){.gp-home .gp-support-menu>.gp-resources-panel{background:Canvas;border-color:CanvasText;box-shadow:none}.gp-home .gp-resources-all{border:1px solid ButtonText}.gp-home .gp-resources-panel :is(a,button):focus-visible{outline-color:Highlight}}