/* Shared homepage header, with the mobile menu kept in document flow. */
.site-nav { --white: #f5f5f0; --black: #0a0a0a; --cream: #e8e4dc; --gray: #9a9a9a; --accent-light: #4a7c43; position: fixed; inset: 0 0 auto; z-index: 10000; display: flex; align-items: center; justify-content: space-between; padding: 24px 48px; background: var(--black); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: var(--white); font-family: 'Space Mono', monospace; font-size: 16px; line-height: 1.6; letter-spacing: 0; view-transition-name: site-nav; }
.site-nav *, .site-nav *::before, .site-nav *::after { box-sizing: border-box; }
.site-nav a { text-decoration: none; text-underline-offset: 6px; }
.site-nav a:focus-visible, .site-nav button:focus-visible { outline: 2px solid #569253; outline-offset: 4px; }
.site-nav .logo { font-family: 'Playfair Display', serif; font-size: 19.2px; font-weight: 400; letter-spacing: 0.1em; color: var(--white); white-space: nowrap; }
.site-nav .nav-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.site-nav .nav-links a { color: var(--white); font-size: 12.8px; letter-spacing: 0.1em; text-transform: uppercase; transition: opacity 0.3s; }
.site-nav .nav-links a:hover, .site-nav .nav-links a.active { opacity: 0.6; }
.site-nav .menu-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 30px; height: 24px; cursor: pointer; z-index: 10001; background: none; border: none; padding: 0; }
.site-nav .menu-toggle span { display: block; width: 100%; height: 2px; background: var(--white); transition: transform 0.3s ease, opacity 0.3s ease; transform-origin: center; }
.site-nav .menu-toggle span:nth-child(1) { margin-bottom: 6px; }
.site-nav .menu-toggle span:nth-child(3) { margin-top: 6px; }
.site-nav .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.site-nav .menu-toggle.active span:nth-child(2) { opacity: 0; }
.site-nav .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
.site-nav .nav-search { position: relative; margin: 0 auto 0 32px; }
.site-nav .nav-search input { appearance: none; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; padding: 8px 16px; font: 13.6px / 1.6 'Space Mono', monospace; color: var(--white); width: 140px; margin: 0; transition: background 0.3s, border-color 0.3s, width 0.3s; }
.site-nav .nav-search input::placeholder { color: var(--gray); opacity: 1; }
.site-nav .nav-search input:focus { outline: none; border-color: var(--accent-light); background: rgba(255,255,255,0.08); width: 200px; }
.site-nav .search-results { position: absolute; top: 100%; left: 0; right: auto; background: #111; border: 1px solid rgba(255,255,255,0.18); border-radius: 4px; margin-top: 8px; max-height: 400px; overflow-y: auto; display: none; z-index: 10001; min-width: 0; width: min(460px, calc(100vw - 48px)); max-width: calc(100vw - 48px); box-shadow: 0 24px 60px rgba(0,0,0,0.72); }
.site-nav .search-results.active { display: block; }
.site-nav .search-result-item { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.05); cursor: pointer; transition: background 0.2s; display: block; color: inherit; }
.site-nav .search-result-item:hover { background: rgba(255,255,255,0.05); }
.site-nav .search-result-item.kb-active { background: rgba(255,255,255,0.08); }
.site-nav .search-result-item:last-child { border-bottom: none; }
.site-nav .search-result-type { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: #569253; margin-bottom: 4px; }
.site-nav .search-result-title { font-family: 'Playfair Display', serif; font-size: 15.2px; color: var(--white); margin-bottom: 4px; }
.site-nav .search-result-excerpt { font-size: 12px; color: var(--cream); opacity: 0.7; line-height: 1.4; }
.site-nav .search-no-results { padding: 16px; color: var(--gray); font-size: 13.6px; text-align: center; }

@media (min-width: 769px) and (max-width: 1250px) {
    .site-nav { padding-inline: 24px; gap: 16px; flex-wrap: wrap; }
    .site-nav .nav-links { gap: 14px; }
    .site-nav .nav-links a { font-size: 12px; }
    .site-nav .nav-search { margin-left: auto; margin-right: 0; }
}
@media (max-width: 768px) {
    .site-nav { padding: 16px 24px; }
    .site-nav .menu-toggle { display: flex; flex: 0 0 44px; width: 44px; height: 44px; position: relative; z-index: 2; }
    .site-nav .nav-search, .site-nav .nav-links { display: none; }
    .site-nav:has(.nav-links.active) { bottom: 0; height: 100vh; height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr) 44px; align-content: start; align-items: center; gap: 16px 12px; overflow-y: auto; overscroll-behavior: contain; padding-bottom: max(24px, env(safe-area-inset-bottom)); background: var(--black); -webkit-backdrop-filter: none; backdrop-filter: none; }
    .site-nav:has(.nav-links.active) .menu-toggle { position: static; grid-column: 2; grid-row: 1; justify-self: end; }
    .site-nav:has(.nav-links.active) .nav-search { position: relative; inset: auto; display: block; grid-column: 1 / -1; grid-row: 2; min-width: 0; margin: 0; }
    .site-nav:has(.nav-links.active) .nav-search input { width: 100%; font-size: 16px; }
    .site-nav:has(.nav-links.active) .search-results { position: static; min-width: 0; width: 100%; max-width: none; max-height: 35dvh; }
    .site-nav .nav-links.active { display: flex; position: static; grid-column: 1 / -1; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; z-index: auto; }
    .site-nav .nav-links a { display: flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 0; font-size: 16px; letter-spacing: 0; }
    html:not(.site-header-ready) .site-nav { position: relative; flex-wrap: wrap; gap: 12px; background: var(--black); }
    html:not(.site-header-ready) .site-nav .menu-toggle { display: none; }
    html:not(.site-header-ready) .site-nav .nav-links { display: flex; flex-direction: row; flex-wrap: wrap; gap: 12px; }
    html:not(.site-header-ready) .site-nav .nav-links a { font-size: 12px; padding: 0; }
    html:not(.site-header-ready) .opening { padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .site-nav *, .site-nav *::after { transition: none !important; }
}