/* One RTL archive header: stable destinations, visible labels, contact feedback. */
.site-header{background:#0b1420f7;border-bottom:1px solid #405369;backdrop-filter:blur(14px)}
.site-header .header-inner{min-height:88px;height:auto;gap:20px;flex-wrap:nowrap;padding-block:8px}
.site-header .brand .brand-art{width:190px;height:64px}
.site-header .brand{border-radius:6px}
.site-header .python-navigation.native-navigation{display:contents}
.site-header .python-menu{display:none}
.site-header .nav{display:flex;position:static;visibility:visible;transform:none;height:auto;gap:4px;align-items:center;flex:1;justify-content:center;overflow:visible;order:initial}
.site-header .nav a{--nav-light:#a9dafa;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 12px;border:1px solid transparent;border-radius:6px;line-height:1.7;font-size:14px;font-weight:500;color:#c0cbd5;white-space:nowrap;isolation:isolate;position:relative}
.site-header .nav a[data-nav=home]{--nav-light:#e4bd70}
.site-header .nav a[data-nav=places]{--nav-light:#8fd6b2}
.site-header .nav a[data-nav=atlas]{--nav-light:#b7b5f0}
.site-header .nav a[data-nav=timeline]{--nav-light:#e4bd70}
.site-header .header-icon{width:20px;height:20px;flex:none;display:block;stroke:currentColor}
.site-header .nav .header-icon{width:18px;height:18px;color:var(--nav-light)}
.site-header .header-actions{display:flex;align-items:center;gap:4px;margin:0;margin-inline-start:auto;padding-inline-start:14px;border-inline-start:1px solid #344758}
.site-header .icon-btn{--nav-light:#a9dafa;width:52px;min-width:52px;height:56px;display:flex;flex-direction:column;justify-content:center;gap:3px;position:relative;isolation:isolate;border-radius:6px;color:#c0cbd5;border:1px solid transparent}
.site-header .icon-btn .tool-label{font-size:11px;line-height:1.6}
/* Labels stay visible: no tooltip-only action and no hover popup to dismiss. */
.site-header .icon-btn:after{content:none}
.site-header .spoiler-switch{padding:0;border:0;background:none;max-width:none}
.site-header .spoiler-switch button{--nav-light:#e4bd70;position:relative;isolation:isolate;display:flex;align-items:center;gap:8px;min-height:48px;padding:8px 12px!important;font-size:12px!important;line-height:1.8;background:#152231;border:1px solid #536578;color:#d9e1e7;border-radius:6px;white-space:nowrap}
.site-header .spoiler-switch .header-icon{width:18px;height:18px}
.site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):before{
 content:'';position:absolute;inset:-1px;z-index:-1;pointer-events:none;border-radius:inherit;opacity:0;
 background:radial-gradient(ellipse at 50% 100%,color-mix(in srgb,var(--nav-light,#a9dafa) 19%,transparent),transparent 80%),repeating-linear-gradient(0deg,transparent 0 3px,#bce8ff08 3px 4px);
}
.site-header .nav a:after{content:'';position:absolute;inset-inline:12px;bottom:4px;height:2px;border-radius:2px;background:var(--nav-light);box-shadow:none;transform:scaleX(0);transform-origin:center}
.site-header .nav a[aria-current=page]{color:#f3ead8;border-color:#7d704d;background:#e4bd700b}
.site-header .nav a[aria-current=page]:after{transform:scaleX(1)}
.site-header .icon-btn[aria-current=page]{border-color:#759cb8;background:#a9dafa12;color:#e5f3ff}
.site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):is(:focus-visible,:active){border-color:var(--nav-light,#a9dafa);color:#f2f5f7;box-shadow:0 0 18px color-mix(in srgb,var(--nav-light,#a9dafa) 28%,transparent)}
.site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):is(:focus-visible,:active):before{opacity:1}
.site-header .nav a:is(:focus-visible,:active):after{transform:scaleX(1)}
.site-header :is(a,button,summary):focus-visible{outline:2px solid #d0ebfc;outline-offset:3px}
@media(hover:hover) and (pointer:fine){
 .site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):hover{border-color:var(--nav-light,#a9dafa);color:#f2f5f7;box-shadow:0 0 18px color-mix(in srgb,var(--nav-light,#a9dafa) 28%,transparent)}
 .site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):hover:before{opacity:1}
 .site-header .nav a:hover:after{transform:scaleX(1)}
}
@media(prefers-reduced-motion:no-preference){
 .site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary){transition:background-color 180ms ease,border-color 180ms ease,box-shadow 180ms ease,color 180ms ease}
 .site-header :is(.nav a,.icon-btn,.spoiler-switch button,.python-menu>summary):before{transition:opacity 180ms ease}
 .site-header .nav a:after{transition:transform 200ms ease}
 .site-header .header-icon{transition:transform 180ms ease}
 .site-header :is(.nav a,.icon-btn,.spoiler-switch button):is(:focus-visible,:active) .header-icon{transform:translateY(-2px)}
 @media(hover:hover) and (pointer:fine){.site-header :is(.nav a,.icon-btn,.spoiler-switch button):hover .header-icon{transform:translateY(-2px)}}
 .site-header .python-menu[open] .header-icon{transform:rotate(90deg)}
}
@media(max-width:1360px){
 .site-header .header-inner{flex-wrap:wrap;justify-content:space-between;gap:0 16px;min-height:80px}
 .site-header .python-navigation.native-navigation{display:block;margin-inline-start:auto}
 .site-header .python-menu{display:block;margin:0}
 .site-header .python-menu>summary{--nav-light:#a9dafa;display:flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:8px 14px;background:#152231;border:1px solid #647b8e;border-radius:6px;position:relative;isolation:isolate;cursor:pointer;list-style:none;font-size:14px}
 .site-header .python-menu>summary::-webkit-details-marker{display:none}
 .site-header .python-navigation:not(:has(>.python-menu[open]))>:is(.nav,.header-actions){display:none!important}
 .site-header .python-navigation:has(>.python-menu[open]){width:100%;flex-basis:100%;margin-top:8px}
 .site-header .python-menu[open]>summary{justify-content:space-between;color:#e4bd70}
 .site-header .python-navigation:has(>.python-menu[open])>.nav{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:16px 0;visibility:visible!important;position:static;transform:none}
 .site-header .python-navigation:has(>.python-menu[open])>.nav a{white-space:normal;justify-content:flex-start;background-color:#142130;border-color:#344758;padding:12px;min-width:0;font-size:14px}
 .site-header .python-navigation:has(>.python-menu[open])>.nav a[aria-current=page]{border-color:#8d7951;background-color:#e4bd700d}
 .site-header .python-navigation:has(>.python-menu[open])>.header-actions{display:flex!important;flex-wrap:wrap;gap:8px;padding:12px 0 8px;border-inline-start:0;border-top:1px solid #344758;margin:0}
 .site-header .header-actions .icon-btn{width:auto;min-width:56px;flex:1;height:56px;background-color:#142130;border-color:#344758}
 .site-header .header-actions .spoiler-switch{margin-inline-start:auto}
 .site-header .header-actions .spoiler-switch button{min-height:56px}
}
@media(max-width:760px){
 .site-header .header-inner{min-height:72px}
 .site-header .brand .brand-art{width:44px;height:44px}
 .site-header .brand-copy strong{font-size:21px}
 .site-header .brand-copy small{font-size:10px}
 .site-header .python-navigation:has(>.python-menu[open])>.nav{grid-template-columns:repeat(2,minmax(0,1fr))}
 .site-header .header-actions .spoiler-switch{flex-basis:100%;margin:0}
 .site-header .header-actions .spoiler-switch button{width:100%;justify-content:center;min-height:48px}
}
@media(max-height:600px){.site-header{position:relative}}
@media print{.site-header{display:none!important}}

@media(prefers-reduced-motion:no-preference){
 .site-header .python-navigation:has(>.python-menu[open])>.nav{animation:header-reveal 180ms ease-out}
 @keyframes header-reveal{from{opacity:.65;transform:translateY(-5px)}to{opacity:1;transform:none}}
}
@media(prefers-reduced-motion:reduce){.site-header *,.site-header *:before,.site-header *:after{animation:none!important;transition:none!important}}

.site-header .nav a[data-nav=events]{--nav-light:#e9a38d}
@media(prefers-reduced-motion:no-preference){.site-header .nav a[data-nav=events]:is(:hover,:focus-visible,:active) .header-icon{transform:translateY(-2px) rotate(-8deg) scale(1.08)}}