/* D09. Sheet G-008 / G-009: the approved plan-set navigation. */
.site-header{--agai-header-height:65px;height:var(--agai-header-height);background-image:none;border-bottom:1px solid rgba(201,210,217,.25)}
.site-header .header-row{position:static;width:min(100% - 28px,1180px);height:64px;min-height:64px;gap:14px;flex-wrap:nowrap}
.site-header .brand{gap:8px;flex-shrink:0;min-width:44px;min-height:44px}
.site-header .brand .mark{width:28px;height:28px}
.site-header .wordmark{font-size:20px}
.agai-navigation{margin-left:auto;line-height:1.35}
.agai-navigation [hidden],.agai-menu-toggle[hidden]{display:none!important}
/* nav.js owns disclosure motion; motion.js observes only hidden/open changes. */
.agai-nav-panel[aria-hidden=true],.agai-mobile-group>div[aria-hidden=true]{display:none!important}
.agai-navigation a{text-decoration:none}
.agai-navigation button,.agai-menu-toggle{font-family:var(--display);cursor:pointer;border-radius:0;letter-spacing:0}
.agai-desktop-nav{display:flex;gap:2px;align-items:center}
.agai-nav-group{display:contents}
.agai-nav-trigger,.agai-desktop-nav>.agai-nav-link{display:flex;align-items:center;justify-content:center;min-height:44px;padding:7px 9px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--ink);font-family:var(--display);font-weight:500;font-size:14.5px;white-space:nowrap;line-height:1.35}
.agai-nav-trigger:hover,.agai-nav-trigger[aria-expanded=true],.agai-desktop-nav>.agai-nav-link:hover{border-bottom-color:var(--red);color:#fff}
.agai-desktop-nav>.btn{min-height:44px;margin-left:12px;padding:7px 11px;border:0;border-radius:0;font-size:14px;letter-spacing:0;line-height:1.35}
.agai-nav-panel{position:absolute;top:100%;left:0;right:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:var(--paper);border-bottom:1.5px solid var(--cy);color:var(--cy);max-height:calc(100dvh - var(--agai-header-height));overflow-y:auto;overscroll-behavior:contain}
.agai-nav-column{border-right:1px solid var(--line);min-width:0}
.agai-nav-column:nth-child(3){border-right:0}
.agai-nav-column h3{display:flex;justify-content:space-between;gap:8px;margin:0;padding:9px 12px;border-bottom:1px solid var(--line);font-family:var(--display);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);line-height:1.35}
.agai-nav-column h3 em{font-style:normal;color:var(--print);white-space:nowrap}
.agai-nav-entry{display:flex;gap:8px;align-items:flex-start;min-height:46px;padding:9px 12px 9px 9px;border-left:3px solid transparent;border-bottom:1px solid var(--line);color:var(--cy)}
.agai-nav-entry:hover,.agai-nav-entry:focus-visible{color:var(--cy);border-left-color:var(--print);background:var(--sheet)}
.agai-nav-entry:active{color:var(--cy);border-left-color:var(--print);background:var(--line)}
.agai-nav-icon{display:block;width:28px;height:28px;flex:0 0 30px;color:inherit}
.agai-nav-copy{display:block;min-width:0;flex:1}
.agai-nav-copy b{display:block;font-family:var(--display);font-size:15px;font-weight:700;line-height:1.15}
.agai-nav-description{display:block;font-family:var(--body);font-size:11.5px;line-height:1.35;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.agai-nav-footer{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:46px;padding:9px 12px;font-family:var(--display);font-size:14px;font-weight:700;color:var(--print);background:var(--sheet)}
.agai-nav-footer:hover{color:var(--cy);background:#fff}
.agai-nav-footer i{font-style:normal;font-weight:500;font-size:12.5px;color:var(--mute)}
.agai-menu-toggle,.agai-mobile-menu{display:none}
.agai-nav-fallback{position:static;background:var(--paper);color:var(--cy);padding:0 14px;font-family:var(--display)}
.agai-nav-fallback>summary{min-height:44px;line-height:44px;cursor:pointer}
.agai-nav-fallback>ul{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:12px 0}
.agai-nav-fallback li{margin:0;min-width:0}
.agai-nav-fallback li ul{padding-left:18px}
.agai-nav-fallback a{display:flex;align-items:center;min-height:46px;color:var(--cy)}
.agai-navigation:has(noscript .agai-nav-fallback) .agai-desktop-nav{display:none}
.site-header:has(noscript .agai-nav-fallback){position:relative;height:auto}
.site-header:has(noscript .agai-nav-fallback) .header-row{height:auto;flex-wrap:wrap}
.agai-navigation:has(noscript .agai-nav-fallback){display:block;flex-basis:100%;margin:0}
@media(max-width:979.98px){
  .site-header .header-row{width:100%;padding:10px 12px;justify-content:space-between}
  .site-header .wordmark{font-size:17px}
  .site-header .brand .mark{width:24px;height:24px}
  .agai-navigation{display:contents;margin:0}
  .agai-desktop-nav,.agai-nav-panel{display:none!important}
  .agai-menu-toggle,.agai-menu-close{display:flex;align-items:center;justify-content:center;min-width:58px;min-height:44px;background:var(--cy);border:1.5px solid var(--ink);padding:6px 10px;font-family:var(--display);font-size:14px;font-weight:700;line-height:1.35;color:var(--ink);border-radius:0;cursor:pointer}
  .agai-menu-toggle{margin-left:auto}
  .agai-menu-toggle:hover,.agai-menu-close:hover{background:var(--ink);color:var(--cy);border-left-color:var(--print)}
  .agai-menu-toggle:active,.agai-menu-close:active{background:var(--soft);color:var(--cy);border-left-color:var(--print)}
  .agai-mobile-menu{position:fixed;inset:var(--agai-header-height) 0 0;max-width:none;max-height:none;width:100%;height:calc(100% - var(--agai-header-height));height:calc(100dvh - var(--agai-header-height));padding:0;margin:0;border:0;background:var(--paper);color:var(--cy);overflow-y:auto;overscroll-behavior:contain;font-family:var(--display)}
  .agai-mobile-menu[open]{display:block}
  .agai-mobile-menu::backdrop{background:transparent}
  .agai-menu-close{position:fixed;top:10px;right:12px;z-index:1}
  .site-header:has(.agai-mobile-menu[open]) .agai-menu-toggle{visibility:hidden}
  .agai-mobile-cta{display:flex;align-items:center;min-height:48px;padding:0 14px;background:var(--red);color:#fff;font-size:16px;font-weight:700}
  .agai-mobile-cta:hover{background:var(--red-deep);color:#fff}
  .agai-mobile-group{border-bottom:1px solid var(--line)}
  .agai-mobile-group h2{margin:0;font:inherit}
  .agai-mobile-group>div{transform-origin:top}
  .agai-mobile-group h2 button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;padding:0 14px 0 11px;border:0;border-left:3px solid transparent;background:transparent;color:var(--cy);font-size:16px;font-weight:700;line-height:1.35;text-align:left}
  .agai-mobile-group h2 button i{font-style:normal;font-size:13px;font-weight:500;color:var(--print)}
  .agai-mobile-group h2 button[aria-expanded=true]{background:#fff;border-left:3px solid var(--red);padding-left:11px}
  .agai-mobile-menu .agai-nav-column{border:0}
  .agai-mobile-menu .agai-nav-column h3{padding:8px 14px;border-bottom:0;border-top:1px solid var(--line);font-size:12px}
  .agai-mobile-menu .agai-nav-entry{align-items:center;min-height:46px;padding:8px 14px 8px 11px;gap:10px;border-bottom:0;border-top:1px solid var(--line)}
  .agai-mobile-menu .agai-nav-icon{width:22px;height:22px;flex-basis:22px}
  .agai-mobile-menu .agai-nav-copy b{line-height:1.35}
  .agai-mobile-menu .agai-nav-footer{min-height:46px;border-top:1px solid var(--line);padding:8px 14px}
  .agai-mobile-menu .agai-nav-footer i{display:none}
  .agai-mobile-menu>.agai-nav-link{display:flex;align-items:center;min-height:48px;padding:0 14px 0 11px;border-left:3px solid transparent;border-bottom:1px solid var(--line);font-size:16px;font-weight:700;color:var(--cy)}
  .agai-mobile-group h2 button:hover,.agai-mobile-group h2 button:focus-visible,.agai-mobile-menu>.agai-nav-link:hover,.agai-mobile-menu>.agai-nav-link:focus-visible{border-left-color:var(--print);background:var(--sheet);color:var(--cy)}
  .agai-mobile-group h2 button:active,.agai-mobile-menu>.agai-nav-link:active{border-left-color:var(--print);background:var(--line);color:var(--cy)}
  .agai-nav-fallback>ul{grid-template-columns:1fr}
}

/* Standardized panel (Victor, 2026.10.27): content aligned to the header width, equal rows, compact town grid */
@media(min-width:980px){
  .agai-nav-panel{padding-inline:max(14px,calc((100% - 1180px) / 2));grid-auto-rows:auto;align-items:stretch}
  .agai-nav-panel .agai-nav-column:first-child{border-left:1px solid var(--line)}
  .agai-nav-panel .agai-nav-column:nth-child(3){border-right:1px solid var(--line)}
  .agai-nav-panel .agai-nav-entry{min-height:56px;align-items:center}
  .agai-nav-panel .agai-nav-column.is-compact{display:grid;grid-template-columns:1fr 1fr;align-content:start}
  .agai-nav-panel .agai-nav-column.is-compact h3{grid-column:1/-1}
  .agai-nav-panel .agai-nav-column.is-compact .agai-nav-entry{min-height:44px;padding-block:8px}
  .agai-nav-panel .agai-nav-column.is-compact .agai-nav-entry:nth-of-type(odd){border-right:1px solid var(--line)}
  .agai-nav-panel .agai-nav-footer{margin-inline:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
}