/* ==========================================================================
   Rahmen: Kopf- und Fusszeile, gleich auf allen Seiten (seit 02.10.2026).
   Markup: tools/rahmen.cjs. Verhalten: assets/rahmen.js.
   Braucht die Farb-Tokens der Seite (--bg, --bg2, --ink, --mut, --soft,
   --line, --accent, --accent-ink, --nav-bg, --sans, --mono). Alle Stylesheets
   der Site definieren sie, hell und dunkel.
   ========================================================================== */
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:var(--bg);
      padding:10px 14px;border-radius:8px;font-size:14px;text-decoration:none;font-family:var(--sans)}
.skip:focus{top:12px}

/* ---------- Kopf ---------- */
.kopf{--kopf-ease:cubic-bezier(.22,.7,.24,1);position:sticky;top:0;z-index:60;font-family:var(--sans);
      background:var(--nav-bg);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
      border-bottom:1px solid var(--line);transition:box-shadow .3s}
.kopf[data-gescrollt]{box-shadow:0 10px 30px -22px rgba(0,0,0,.45)}
.kopf-in{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,44px);height:64px;
         display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.kopf-marke{justify-self:start;display:inline-flex;align-items:center;gap:10px;min-height:44px;
            font-weight:600;font-size:15px;letter-spacing:-.02em;color:var(--ink);text-decoration:none;white-space:nowrap}
.kopf-marke i{width:9px;height:9px;border-radius:3px;background:var(--accent);flex:none;
              transition:transform .5s var(--kopf-ease)}
.kopf-marke:hover i,.kopf-marke:focus-visible i{transform:rotate(45deg) scale(1.1)}
.kopf-nav ul{display:flex;align-items:center;gap:clamp(16px,2.6vw,32px);list-style:none;margin:0;padding:0}
.kopf-nav li{margin:0;padding:0}
.kopf-nav a{position:relative;display:inline-flex;align-items:baseline;padding:12px 2px;font-size:14px;line-height:1.2;
            color:var(--mut);text-decoration:none;white-space:nowrap;transition:color .2s}
.kopf-nav a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:1.5px;background:var(--ink);
                   transform:scaleX(0);transform-origin:0 50%;transition:transform .28s var(--kopf-ease)}
.kopf-nav a:hover,.kopf-nav a:focus-visible,.kopf-nav a[aria-current]{color:var(--ink)}
.kopf-nav a:hover::after,.kopf-nav a[aria-current]::after{transform:scaleX(1)}
.kopf-nav a[aria-current]::after{background:var(--accent)}
.kopf-de{font-family:var(--mono);font-size:8.5px;letter-spacing:.06em;margin-left:4px;color:var(--soft);
         position:relative;top:-.55em}
.kopf-akt{justify-self:end;display:flex;align-items:center;gap:8px}
.kopf-knopf{height:38px;min-width:38px;padding:0 11px;border-radius:99px;border:1px solid var(--line);
            background:none;color:var(--mut);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
            text-decoration:none;font:inherit;transition:color .2s,border-color .2s}
.kopf-knopf:hover,.kopf-knopf:focus-visible{color:var(--ink);border-color:var(--soft)}
.kopf-sprache{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;min-width:46px}
.kopf-tgl{width:38px;padding:0}
.kopf-tgl svg{width:17px;height:17px;display:block;transition:transform .45s var(--kopf-ease)}
.kopf-tgl:active svg{transform:rotate(40deg) scale(.9)}
.kopf .ic-sun{display:none}
[data-theme="dark"] .kopf .ic-sun{display:block}
[data-theme="dark"] .kopf .ic-moon{display:none}
.kopf-hinweis{border-top:1px solid var(--line);margin:0;padding:8px clamp(20px,5vw,44px);text-align:center;
              font-size:13px;color:var(--mut);background:var(--bg2)}
.kopf-hinweis:empty{display:none}
.kopf-hinweis a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}

/* Menü-Knopf: nur unterhalb des Umbruchs */
.kopf-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:none;
             color:var(--ink);cursor:pointer;padding:0;flex:none;align-items:center;justify-content:center;
             transition:border-color .2s}
.kopf-burger:hover{border-color:var(--soft)}
.kopf-burger span{display:block;position:relative;width:18px;height:11px}
.kopf-burger span::before,.kopf-burger span::after{content:"";position:absolute;left:0;width:18px;height:1.6px;
             border-radius:2px;background:currentColor;transition:transform .3s var(--kopf-ease),width .3s var(--kopf-ease)}
.kopf-burger span::before{top:0}
.kopf-burger span::after{bottom:0;width:13px}
.kopf-burger[aria-expanded="true"] span::before{transform:translateY(4.7px) rotate(45deg)}
.kopf-burger[aria-expanded="true"] span::after{width:18px;transform:translateY(-4.7px) rotate(-45deg)}

@media (max-width:880px){
  .kopf-in{grid-template-columns:1fr auto;height:62px}
  .kopf-burger{display:inline-flex}
  .kopf-knopf{height:44px;min-width:44px}
  .kopf-tgl{width:44px}
  /* Aus der Zeile wird ein Blatt unter dem Kopf. Absolut zum Kopf, nicht fest zum
     Fenster: backdrop-filter macht den Kopf in Chrome ohnehin zum Bezugsrahmen,
     in Safari nicht. So steht das Blatt überall gleich. */
  .kopf-nav{position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);
            padding:6px clamp(20px,5vw,40px) 22px;box-shadow:0 26px 48px -24px rgba(0,0,0,.3);
            transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
            transition:transform .34s var(--kopf-ease),opacity .26s var(--kopf-ease),visibility .34s}
  .kopf[data-offen] .kopf-nav{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .kopf-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .kopf-nav li{border-bottom:1px solid var(--line)}
  .kopf-nav li:last-child{border-bottom:0}
  .kopf-nav a{display:flex;align-items:center;min-height:56px;padding:4px 2px;font-size:19px;letter-spacing:-.015em;
              color:var(--ink);white-space:normal}
  .kopf-nav a::after{display:none}
  .kopf-nav a[aria-current]{color:var(--accent-ink)}
  .kopf-nav a[aria-current]::before{content:"";width:6px;height:6px;border-radius:99px;background:var(--accent);
              margin-right:12px;flex:none;align-self:center}
  .kopf-de{top:-.7em}
  body.mnav-offen{overflow:hidden}
  body.mnav-offen::after{content:"";position:fixed;inset:0;background:rgba(0,0,0,.32);z-index:55;
              animation:kopf-blende .3s var(--kopf-ease, ease)}
}
@media (max-width:380px){
  .kopf-in{gap:10px}
  .kopf-akt{gap:6px}
}
@keyframes kopf-blende{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .kopf-nav,.kopf-marke i,.kopf-nav a::after,.kopf-burger span::before,.kopf-burger span::after{transition-duration:.001s}
  body.mnav-offen::after{animation:none}
}

/* ---------- Fuss ---------- */
.fuss{--f-bg:#0E0E10;--f-line:#232327;--f-ink:#EDEDEF;--f-mut:rgba(237,237,239,.7);
      background:var(--f-bg);color:var(--f-mut);border-top:1px solid var(--f-line);
      padding:clamp(48px,6vw,64px) 0 40px;font-family:var(--sans);font-size:14px;line-height:1.55;letter-spacing:-.006em}
[data-theme="dark"] .fuss{--f-bg:#121215;--f-line:#26262C}
.fuss-in{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,44px)}
.fuss-raster{display:grid;gap:36px 48px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr)}
.fuss p{margin:0 0 12px;max-width:54ch;font-size:inherit;line-height:inherit;color:inherit;letter-spacing:inherit}
.fuss .fuss-name{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:-.02em;color:var(--f-ink)}
.fuss-name i{width:9px;height:9px;border-radius:3px;background:var(--accent);flex:none}
.fuss .fuss-disc,.fuss .fuss-netz{font-size:13px}
.fuss a{color:var(--f-mut);text-decoration:none;transition:color .2s}
.fuss a:hover,.fuss a:focus-visible{color:#fff}
.fuss-netz a{border-bottom:1px solid rgba(237,237,239,.25)}
.fuss h2{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
         line-height:1.4;color:rgba(237,237,239,.56);margin:2px 0 12px;max-width:none}
.fuss ul{list-style:none;margin:0;padding:0}
.fuss li{margin:0;padding:0;font-size:inherit;line-height:inherit}
.fuss li a{display:inline-flex;align-items:center;min-height:34px}
.fuss-meta{margin-top:36px;padding-top:20px;border-top:1px solid var(--f-line);display:flex;justify-content:space-between;
           align-items:center;gap:10px 20px;flex-wrap:wrap;font-size:12.5px}
.fuss-tick{font-family:var(--mono);font-size:11px;display:inline-flex;align-items:center;gap:8px}
.fuss-punkt{width:6px;height:6px;border-radius:50%;background:#3EBE7E;flex:none;animation:fuss-puls 2.4s infinite}
@keyframes fuss-puls{0%,100%{box-shadow:0 0 0 0 rgba(62,190,126,.45)}55%{box-shadow:0 0 0 6px rgba(62,190,126,0)}}
.fuss .fuss-marken{margin-top:16px;font-size:11.5px;line-height:1.55;color:rgba(237,237,239,.56);max-width:80ch}
@media (max-width:900px){
  .fuss-raster{grid-template-columns:1fr 1fr}
  .fuss-marke{grid-column:1/-1}
}
@media (max-width:520px){
  .fuss-raster{grid-template-columns:1fr}
}
@media (pointer:coarse){
  .fuss li a{min-height:44px}
}
@media (prefers-reduced-motion:reduce){.fuss-punkt{animation:none}}