/* Reiter-Navigation, von allen Seiten geteilt.
   Klebt oben, eine wischbare Zeile, aktiver Reiter gleitet beim Seitenwechsel
   (View Transitions — Browser ohne Support wechseln einfach ohne Animation). */

@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.18s}
  ::view-transition-group(nav-active){animation-duration:.38s;animation-timing-function:cubic-bezier(.2,.8,.2,1)}
}

:root{--nav-h:calc(53px + env(safe-area-inset-top))} /* für andere klebende Elemente */

nav.top{
  position:sticky;top:0;z-index:1100; /* über Leaflet (Controls liegen bei 1000) */
  display:flex;gap:4px;flex-wrap:nowrap;overflow-x:auto;
  margin:0 -22px;padding:calc(10px + env(safe-area-inset-top)) 22px 10px;
  background:var(--paper,#0b0b0c);
  background:color-mix(in srgb,var(--paper,#0b0b0c) 80%,transparent);
  -webkit-backdrop-filter:saturate(1.5) blur(14px);backdrop-filter:saturate(1.5) blur(14px);
  border-bottom:1px solid transparent;
  scrollbar-width:none;scroll-snap-type:x proximity;scroll-padding-inline:22px;
  -webkit-tap-highlight-color:transparent;
  /* Trennlinie erst, wenn Inhalt darunter durchscrollt */
  animation:nav-rule linear both;animation-timeline:scroll();animation-range:0 48px;
}
nav.top::-webkit-scrollbar{display:none}
@keyframes nav-rule{to{border-bottom-color:var(--rule,#26262a)}}

nav.top a{
  flex:none;scroll-snap-align:start;
  font:600 12px/1 "Archivo",system-ui,sans-serif;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;
  padding:9px 13px;border:1px solid transparent;border-radius:999px;
  color:var(--ink-soft,#8a8a92);
  transition:color .2s,background-color .2s,transform .12s;
}
nav.top a:hover{color:var(--ink,#f2f2f4);background:color-mix(in srgb,var(--ink,#f2f2f4) 8%,transparent)}
nav.top a:active{transform:scale(.95)}
nav.top a[aria-current="page"]{
  color:var(--paper,#0b0b0c);background:var(--ochre,#e0764a);border-color:var(--ochre,#e0764a);
  box-shadow:0 6px 18px -8px var(--ochre,#e0764a);
  view-transition-name:nav-active;
}
nav.top a:focus-visible{outline:2px solid var(--ochre,#e0764a);outline-offset:2px}

/* Sprachwahl (lang.js): klebt rechts in der Leiste, Menü liegt außerhalb der Leiste
   (die scrollt und würde es sonst abschneiden). */
.lang-btn{
  flex:none;margin-left:auto;position:sticky;right:-12px; /* Leiste hat 22px Innenabstand: so 10px vom Rand */
  display:inline-flex;align-items:center;gap:7px;
  font:600 12px/1 "Archivo",system-ui,sans-serif;letter-spacing:.07em;
  padding:6px 10px 6px 7px;border-radius:999px;cursor:pointer;
  color:var(--ink,#f2f2f4);background:var(--surface,#161618);border:1px solid var(--rule,#26262a);
  box-shadow:-16px 0 14px -4px var(--paper,#0b0b0c);
  -webkit-tap-highlight-color:transparent;transition:border-color .2s;
}
/* deckt den Streifen rechts neben dem Knopf ab, sonst schauen dort Reiter hervor */
.lang-btn::after{content:"";position:absolute;top:-12px;bottom:-12px;left:calc(100% + 1px);width:14px;background:var(--paper,#0b0b0c)}
.lang-btn:hover{border-color:var(--ink-faint,#8a8a92)}
.lang-btn[aria-expanded="true"]{border-color:var(--ochre,#e0764a)}
.lang-btn:focus-visible{outline:2px solid var(--ochre,#e0764a);outline-offset:2px}
.lang-flag{width:20px;height:14px;flex:none;display:block;border-radius:3px;box-shadow:0 0 0 1px rgba(0,0,0,.14)}
.lang-caret{width:10px;height:6px;opacity:.55;transition:transform .2s}
.lang-btn[aria-expanded="true"] .lang-caret{transform:rotate(180deg)}

.lang-menu{
  position:fixed;z-index:1200;min-width:200px;padding:6px;
  background:var(--surface,#161618);border:1px solid var(--rule,#26262a);border-radius:14px;
  box-shadow:0 20px 44px -14px rgba(0,0,0,.5);
  animation:lang-in .16s ease-out;
}
.lang-menu[hidden]{display:none}
@keyframes lang-in{from{opacity:0;transform:translateY(-4px)}}
.lang-menu a{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:9px;
  font:500 14.5px/1.2 "Archivo",system-ui,sans-serif;color:var(--ink,#f2f2f4);text-decoration:none;outline:none;
}
.lang-menu a:hover,.lang-menu a:focus-visible{background:color-mix(in srgb,var(--ink,#f2f2f4) 8%,transparent)}
.lang-menu a[aria-current]{font-weight:700}
.lang-check{width:12px;height:10px;margin-left:auto;color:var(--ochre,#e0764a)}
@media (prefers-reduced-motion:reduce){.lang-menu{animation:none}.lang-caret{transition:none}}

/* Icons nach Position, weil Netlify die hrefs live umschreibt (/infos statt infos.html). */
/* Handy / App: Reiter wandern als Tab-Leiste nach unten (Daumenreichweite), mit Icons. */
@media (max-width:700px){
  :root{--nav-h:env(safe-area-inset-top)}
  body{padding-top:env(safe-area-inset-top)}
  nav.top{
    position:fixed;top:auto;bottom:0;left:0;right:0;margin:0;gap:0;
    padding:6px 8px calc(6px + env(safe-area-inset-bottom));
    border-top:1px solid var(--rule,#26262a);border-bottom:0;animation:none;
    background:color-mix(in srgb,var(--paper,#0b0b0c) 88%,transparent);
    scroll-padding-inline:8px;
  }
  nav.top a{
    display:flex;flex-direction:column;align-items:center;gap:4px;min-width:64px;
    padding:6px 6px 5px;border-radius:12px;font-size:9.5px;letter-spacing:.05em;
  }
  nav.top a::before{content:"";width:22px;height:22px;background:currentColor;
    -webkit-mask:var(--ico) center/contain no-repeat;mask:var(--ico) center/contain no-repeat}
  nav.top a[aria-current="page"]{
    color:var(--ochre,#e0764a);background:color-mix(in srgb,var(--ochre,#e0764a) 14%,transparent);
    border-color:transparent;box-shadow:none;
  }
  nav.top{-webkit-backdrop-filter:none;backdrop-filter:none;background:color-mix(in srgb,var(--paper,#0b0b0c) 96%,transparent)}
  /* Sprachwahl sitzt oben rechts auf der Seite und scrollt mit weg (lang.js hängt sie an body) */
  body > .lang-btn{position:absolute;z-index:1100;top:calc(14px + env(safe-area-inset-top));right:14px;margin:0;box-shadow:none}
  body > .lang-btn::after{display:none}
  /* Touch: größere Ziele, kein Zoom beim Tippen in Felder (iOS zoomt unter 16px) */
  html{-webkit-text-size-adjust:100%;touch-action:manipulation}
  input:not([type=range]):not([type=checkbox]):not([type=radio]),select,textarea{font-size:max(16px,1em)}
  input[type=range]{min-height:30px}
  .presets button,.zoombtn{min-height:36px}
  body > .lang-btn{padding:9px 11px 9px 9px}
  .wrap{padding-bottom:calc(96px + env(safe-area-inset-bottom))!important}
  nav.top a:nth-of-type(1){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 4 3 6v14l6-2 6 2 6-2V4l-6 2z'/%3E%3Cpath d='M9 4v14M15 6v14'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(2){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 11v6M12 7.5v.5'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(3){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 7 2 2 3-3M4 15l2 2 3-3M13 8h7M13 16h7'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(4){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='6' width='18' height='13' rx='2'/%3E%3Cpath d='M16 12.5h.5M3 10h18'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(5){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 16V8a2 2 0 0 1 2-2h10l5 5v5h-2'/%3E%3Cpath d='M3 16h2m4 0h6'/%3E%3Ccircle cx='7' cy='16.5' r='2'/%3E%3Ccircle cx='17' cy='16.5' r='2'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(6){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='7' width='18' height='13' rx='2'/%3E%3Cpath d='M9 7V5a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2M3 13h18'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(7){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 21 10 3M18 21 14 3M12 7v2M12 13v2M12 19v2'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(8){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='9' cy='8' r='3.5'/%3E%3Cpath d='M2.5 20a6.5 6.5 0 0 1 13 0'/%3E%3Cpath d='M16 4.5a3.5 3.5 0 0 1 0 7M21.5 20a6.5 6.5 0 0 0-4-6'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(9){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 12V4h8l10 10-8 8z'/%3E%3Ccircle cx='7.5' cy='8.5' r='1.3'/%3E%3C/svg%3E")}
  nav.top a:nth-of-type(10){--ico:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m11 17 2 2a1.4 1.4 0 0 0 2-2M14 14l2.5 2.5a1.4 1.4 0 0 0 2-2L15 11l-3 1-2-2 3-3 5 1 3 3-2 5'/%3E%3Cpath d='M3 8l3-3 4 1M3 8l1 6 4 4a1.4 1.4 0 0 0 2-2'/%3E%3C/svg%3E")}
}