/* Grundlayout: Licht, feste Navigationsleiste, Seitenübergänge, Footer. */
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:400 17px/1.6 var(--font);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:2px solid var(--ring);outline-offset:3px;border-radius:8px}

.skip{position:fixed;left:16px;top:-60px;z-index:30;padding:10px 18px;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:600;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}

/* Licht von oben: festes Grundlicht + Lichtfleck, der dem Mauszeiger folgt (js/site.js setzt --mx/--my) */
.licht{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(520px 420px at var(--mx,50%) var(--my,12%),rgba(31,243,205,.16),transparent 70%),
    radial-gradient(900px 520px at 50% -8%,rgba(31,243,205,.20),transparent 70%)}
.licht::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0,#000 0,transparent 70%);mask-image:radial-gradient(ellipse at 50% 0,#000 0,transparent 70%)}

/* Navigationsleiste: bleibt auf jeder Seite gleich und wird beim Seitenwechsel nicht mitüberblendet */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:20;width:min(1120px,calc(100% - 28px));
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 12px 10px 20px;
  background:rgba(26,27,29,.62);border:1px solid var(--border);border-radius:999px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);view-transition-name:nav}
.marke{display:flex;align-items:center;gap:10px;text-decoration:none}
.marke img{height:26px;width:auto;display:block}
.nav ul{display:flex;gap:4px;list-style:none;padding:0}
.nav ul a{display:block;padding:8px 16px;border-radius:999px;text-decoration:none;color:var(--text-2);font-weight:500;font-size:15px;transition:color .2s,background .2s}
.nav ul a:hover{color:var(--text)}
.nav ul a[aria-current=page]{color:var(--text);background:var(--surface-2)}
.nav ul .sprache a{border:1px solid var(--border);padding:6px 12px;font:500 13px var(--mono);margin-left:6px}
.menue{display:none;background:none;border:1px solid var(--border);color:var(--text);border-radius:999px;width:42px;height:42px;font-size:20px;cursor:pointer}

.knopf{display:inline-block;padding:11px 22px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;
  background:linear-gradient(#f4f6f6,#c9cfd1);color:#101213;border:0;cursor:pointer;
  box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(0,0,0,.5),0 6px 18px rgba(0,0,0,.35);transition:transform .15s,box-shadow .2s}
.knopf:hover{transform:translateY(-1px);box-shadow:inset 0 1px 0 #fff,0 0 0 4px var(--accent-soft),0 8px 22px rgba(0,0,0,.4)}
.knopf.akzent{background:linear-gradient(var(--accent-hover),var(--accent));color:var(--on-accent);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 6px 22px rgba(31,243,205,.25)}

dialog{width:min(520px,calc(100% - 32px));margin:auto;padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,var(--surface),#16171a);color:var(--text);box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(0,0,0,.65)}
dialog h2{font-size:1.4rem}dialog p,dialog li{color:var(--text-2);margin-top:12px}dialog ul{padding-left:22px}dialog strong{color:var(--text)}
dialog .aktionen{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;margin-top:24px}

main{position:relative;z-index:1;flex:1;width:min(1120px,calc(100% - 32px));margin:0 auto;padding:150px 0 80px;view-transition-name:inhalt}
h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.08;letter-spacing:-.03em;font-weight:500}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);letter-spacing:-.02em;font-weight:500;line-height:1.2}
.klein{color:var(--accent);font:500 13px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.lead{color:var(--text-2);font-size:1.15rem;max-width:60ch}
.mitte{text-align:center}.mitte .lead{margin-inline:auto}
section+section{margin-top:96px}
.karte{background:linear-gradient(180deg,var(--surface),#16171a);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.text{max-width:70ch}.text h2{margin:40px 0 12px;font-size:1.4rem}.text h3{margin:26px 0 8px;font-size:1.05rem;font-weight:600}.text ul{padding-left:22px;display:grid;gap:8px}.text p,.text li{color:var(--text-2)}.text strong{color:var(--text);font-weight:600}.text a{color:var(--accent)}.text p+p{margin-top:12px}

footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:28px 16px;color:var(--text-3);font-size:14px}
footer div{width:min(1120px,100%);margin:0 auto;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer nav{display:flex;gap:20px}footer a{text-decoration:none}footer a:hover{color:var(--text)}

/* Seitenwechsel: Inhalt blendet weich um, die Leiste bleibt stehen */
@view-transition{navigation:auto}
::view-transition-old(inhalt){animation:raus .22s ease both}
::view-transition-new(inhalt){animation:rein .38s ease both}
::view-transition-group(nav){animation-duration:0s}
@keyframes raus{to{opacity:0;transform:translateY(-8px)}}
@keyframes rein{from{opacity:0;transform:translateY(14px)}}

/* Klick-Wellen: drei Ringe, die sich über den ganzen Bildschirm ausbreiten und schwächer werden */
.welle{position:fixed;z-index:5;left:0;top:0;width:var(--d);height:var(--d);margin:calc(var(--d)/-2) 0 0 calc(var(--d)/-2);
  border-radius:50%;pointer-events:none;opacity:0;transform:scale(0);
  /* weicher Wellenberg (Mint) mit dunklem Wellental dahinter, ohne harte Kante */
  background:radial-gradient(circle,transparent 0,transparent 56%,rgba(0,0,0,.28) 70%,rgba(31,243,205,.30) 84%,transparent 100%);
  animation:welle 3.2s cubic-bezier(.2,.55,.35,1) var(--v,0s) forwards}
@keyframes welle{0%{opacity:0;transform:scale(0)}8%{opacity:var(--st)}100%{opacity:0;transform:scale(1)}}

/* Einblenden beim Scrollen (js/site.js setzt .sichtbar) */
.erscheint{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.erscheint.sichtbar{opacity:1;transform:none}

@media(max-width:760px){
  .menue{display:block}.nav .knopf{display:none}
  .nav ul{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;padding:10px;
    background:rgba(26,27,29,.96);border:1px solid var(--border);border-radius:24px}
  .nav.offen ul{display:flex}
  main{padding-top:120px}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .erscheint{opacity:1;transform:none;transition:none}
  ::view-transition-old(inhalt),::view-transition-new(inhalt){animation:none}
}