/* DOS navigation: visible primary pages, one page directory and mobile follow menu. */
.dos-header{position:sticky;top:0;z-index:100;width:100%;background:var(--dos-card);border-bottom:1px solid var(--dos-border)}
.dos-header .nav-shell.container{--dos-header-gutter:clamp(16px,2.2vw,48px);display:flex;position:relative;align-items:center;width:100%;max-width:none;height:82px;min-height:0;margin:0;padding:0 max(var(--dos-header-gutter),env(safe-area-inset-right)) 0 max(var(--dos-header-gutter),env(safe-area-inset-left));gap:20px}
.dos-header .brand{flex:none;gap:9px}.brand-dot:empty{display:none}
.dos-primary-links{display:flex;align-items:center;justify-content:center;gap:22px;margin-inline:auto;font-size:13px;font-weight:650;white-space:nowrap}
.dos-primary-links>a{display:inline-flex;align-items:center;gap:12px;min-height:44px;text-decoration:none;color:var(--dos-text)}
.dos-primary-links>a:hover,.dos-primary-links>a[aria-current=page]{color:var(--dos-gold-label)}
.dos-primary-links>.dos-primary-cta{padding:10px 15px;border-radius:10px;background:var(--dos-brand);color:var(--dos-brand-ink);font-size:12px}
.dos-primary-links>.dos-primary-cta:hover{filter:brightness(.96);color:var(--dos-brand-ink)}
.dos-primary-links>.dos-primary-cta[aria-current=page]{color:var(--dos-brand-ink)}
.dos-header .nav-actions{display:flex;align-items:center;gap:8px;margin:0}
.dos-desktop-utilities{flex:none}.dos-menu-utilities:empty{display:none}
.dos-menu-toggle,.dos-follow-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;flex:none;border:1px solid var(--dos-border);border-radius:10px;background:var(--dos-card);color:var(--dos-text);font:inherit;font-size:13px;font-weight:650;cursor:pointer}
.dos-menu-toggle{padding:0 12px}.dos-menu-toggle svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.dos-menu-toggle:hover,.dos-follow-button:hover,.dos-menu-toggle[aria-expanded=true],.dos-follow-button[aria-expanded=true]{background:var(--dos-surface)}
.dos-menu-toggle[aria-expanded=true] svg{transform:none}
.dos-follow-button{display:none;padding:0 12px}.dos-follow-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6}
.dos-follow-button[aria-expanded=true] svg{transform:rotate(180deg)}
.dos-social-wrap{flex:none}.dos-social-links{display:flex;align-items:center;gap:2px;flex:none}
.dos-social-links a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;border-radius:10px;color:var(--dos-text);text-decoration:none}
.dos-social-links a:hover{background:var(--dos-surface)}
.dos-social-links img{display:block;width:24px;height:24px;object-fit:contain;flex:none}
.dos-social-name,.dos-social-arrow{display:none}
.dos-social-footer{justify-content:flex-start;margin-top:12px;flex-wrap:wrap}
.dos-menu-panel[hidden],.dos-social-links[hidden]{display:none!important}
.dos-menu-panel{position:absolute;inset-inline:0;top:100%;max-height:calc(100dvh - 82px);overflow:auto;overscroll-behavior:contain;background:var(--dos-card);border-top:1px solid var(--dos-border);border-bottom:1px solid var(--dos-border);box-shadow:0 24px 45px #0002;padding:24px var(--dos-header-gutter) 30px;color:var(--dos-text)}
.dos-menu-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.dos-menu-top>strong{font-size:22px;letter-spacing:-.6px;font-weight:650}
.dos-menu-search{max-width:540px;margin-bottom:24px}
.dos-menu-search>.dos-find-trigger{display:flex;align-items:center;justify-content:flex-start;gap:12px;min-height:48px;width:100%;padding:12px 16px;background:var(--dos-surface);color:var(--dos-subtitle);border:1px solid var(--dos-border);border-radius:12px;font:inherit;font-size:14px;cursor:pointer}
.dos-menu-search>.dos-find-trigger svg{width:20px;height:20px;flex:none}
.dos-menu-search>.dos-find-trigger::after{content:'⌘ / Ctrl K';margin-inline-start:auto;font-size:11px;opacity:.7}
.dos-menu-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.dos-menu-group{min-width:0}.dos-menu-group>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;list-style:none;cursor:pointer;color:var(--dos-gold-label);border-bottom:1px solid var(--dos-border);margin-bottom:8px}
.dos-menu-group>summary::-webkit-details-marker{display:none}.dos-menu-group .nav-chevron{flex:none}.dos-menu-group[open] .nav-chevron{transform:rotate(225deg);margin-top:4px}
.dos-menu-group-links{display:flex;flex-direction:column;gap:2px}
.dos-menu-group-links>a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;padding:9px 10px;margin-inline:-10px;border-radius:8px;color:var(--dos-text);font-size:13px;font-weight:500;line-height:1.5;text-decoration:none}
.dos-menu-group-links>a>span{opacity:.45}.dos-menu-group-links>a:hover,.dos-menu-group-links>a[aria-current=page]{background:var(--dos-surface);color:var(--dos-gold-label)}
.dos-menu-primary{display:none}.dos-nojs-nav{display:flex;gap:16px;flex-wrap:wrap;padding:16px}
.dos-header :is(a,button,summary):focus-visible{outline:2px solid var(--dos-gold-label);outline-offset:3px}
@media(min-width:1121px) and (max-width:1300px){.dos-header .nav-shell.container{gap:12px}.dos-primary-links{gap:16px;font-size:12px}.dos-menu-toggle{padding:0 10px}.dos-menu-toggle>span{display:none}}
@media(max-width:1120px){
 .dos-header .nav-shell.container{display:flex;gap:12px;height:68px;min-height:68px;padding-block:0}
 .dos-header .brand{font-size:23px}.dos-header .brand img{width:29px;height:29px}
 .dos-primary-links,.dos-desktop-utilities{display:none}
 .dos-social-wrap{margin-inline-start:auto}.dos-follow-button{display:inline-flex}
 .dos-menu-toggle{width:44px;padding:0}.dos-menu-toggle>span{display:none}
 .dos-social-header{position:absolute;inset-inline-start:auto;inset-inline-end:var(--dos-header-gutter);top:calc(100% + 8px);width:min(320px,calc(100vw - 32px));display:grid;gap:4px;padding:12px;background:var(--dos-card);border:1px solid var(--dos-border);border-radius:16px;box-shadow:0 18px 50px #0003;max-height:calc(100dvh - 92px);overflow:auto}
 .dos-social-header a{display:flex;justify-content:flex-start;gap:14px;width:100%;min-height:52px;height:auto;padding:12px;border-radius:10px}
 .dos-social-header .dos-social-name{display:block;font-size:14px;font-weight:600}.dos-social-header .dos-social-arrow{display:block;margin-inline-start:auto;color:var(--dos-subtitle);font-size:18px}
 .dos-menu-panel{max-height:calc(100dvh - 68px);padding:20px var(--dos-header-gutter) max(28px,env(safe-area-inset-bottom))}
 .dos-menu-top{margin-bottom:16px}.dos-menu-top>strong{font-size:21px}.dos-menu-utilities{display:block}
 .dos-menu-search{max-width:none;margin-bottom:20px}.dos-menu-search>.dos-find-trigger::after{content:'↗';font-size:18px}
 .dos-menu-primary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:22px}
 .dos-menu-primary>a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px;padding:12px;background:var(--dos-surface);border:1px solid var(--dos-border);border-radius:10px;color:var(--dos-text);font-size:13px;font-weight:600;line-height:1.4;text-decoration:none}
 .dos-menu-primary>a:last-child{background:var(--dos-brand);color:var(--dos-brand-ink);border-color:var(--dos-brand)}
 .dos-menu-grid{display:block}.dos-menu-group{border-bottom:1px solid var(--dos-border)}
 .dos-menu-group>summary{min-height:55px;margin:0;border:0;font-size:15px;text-transform:none;letter-spacing:0;color:var(--dos-text)}
 .dos-menu-group-links{padding:0 8px 14px}.dos-menu-group-links>a{font-size:14px;min-height:48px}
}
@media(max-width:360px){.dos-header .nav-shell.container{gap:8px}.dos-follow-button{font-size:12px;padding-inline:10px}.dos-header .brand{font-size:21px;gap:7px}.dos-menu-top>strong{font-size:19px}}
@media(prefers-reduced-motion:no-preference){.dos-menu-panel:not([hidden]),.dos-social-header:not([hidden]){animation:dos-nav-enter .16s ease-out}@keyframes dos-nav-enter{from{opacity:0;translate:0 -5px}to{opacity:1;translate:0 0}}}
@media(forced-colors:active){.dos-menu-toggle,.dos-follow-button,.dos-social-header,.dos-menu-panel{border-color:ButtonText}.dos-header :is(a,button,summary):focus-visible{outline-color:Highlight}}
@media print{.dos-header{display:none!important}}