/* Gemeinsame Kopfzeile. Nach den Seitensheets laden, damit Mobilregeln den CTA
   nicht erneut ausblenden. Die gemessene Höhe ersetzt jeden geratenen Abstand. */
:root { --site-nav-height: 77px; }
body.has-site-nav { padding-top: var(--site-nav-height); }

:root .site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: auto;
  min-height: 77px;
  padding-block: 16px;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  transform: none;
  transition: none;
  background: var(--paper);
}
:root .site-nav .brand { min-width: 0; }
:root .site-nav .brand-mark { flex: 0 0 38px; }
:root .site-nav .nav-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  white-space: nowrap;
  line-height: 1.25;
  background: var(--brick);
  border-color: var(--brick);
  color: var(--on-brick);
  box-shadow: 0 3px 0 rgba(23, 39, 31, .18);
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
:root .site-nav .nav-cta:hover {
  background: var(--brick-text);
  border-color: var(--brick-text);
}
:root .site-nav .nav-cta:active { box-shadow: 0 1px 0 rgba(23, 39, 31, .18); }
/* Zwei sanfte Ringe beim Einstieg. Der Button selbst bleibt an Ort und Stelle. */
:root .site-nav .nav-cta::after {
  content: "";
  position: absolute;
  inset: -1px;
  border: 2px solid var(--brick);
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  animation: nav-cta-signal 1.25s ease-out 1.2s 2;
}
@keyframes nav-cta-signal {
  0% { opacity: 0; transform: scale(1); }
  18% { opacity: .38; }
  100% { opacity: 0; transform: scale(1.09, 1.3); }
}
:root .site-nav .brand > span:last-child { display: inline; }
:root .site-nav nav { min-width: 0; }
:root .site-nav :is(a, button):focus-visible { outline: 3px solid var(--brick); outline-offset: 3px; }

/* Aus archiv/code-alt-vor-redesign/index.html: am iPhone per Mess-Gitter
   bestätigte Färbung hinter der Dynamic Island. Nur die oberen 15px sind
   deckend; Logo/CTA beginnen durch padding-block frühestens bei 16px.
   Kein deckender 60px-Balken über den Bedienelementen. Das Terminmodal
   kennt diese ID bereits und blendet die Fläche während der Buchung aus. */
#ios-safe-fill {
  position: fixed;
  inset: 0 0 auto;
  height: 120px;
  z-index: 2147483647;
  pointer-events: none;
  background: linear-gradient(to bottom, var(--paper) 0, var(--paper) 15px, transparent 15px);
}
body.tb-open #ios-safe-fill { display: none; }

@media (max-width: 1100px) {
  :root .site-nav {
    grid-template-columns: minmax(0, 1fr) auto 44px;
    gap: 12px;
    padding-inline: max(16px, env(safe-area-inset-left, 0px)) max(16px, env(safe-area-inset-right, 0px));
  }
  :root .site-nav .nav-toggle { display: inline-grid; }
  :root .site-nav nav {
    display: none;
    position: absolute;
    inset: 100% 0 auto;
    flex-direction: column;
    gap: 0;
    max-height: calc(100dvh - var(--site-nav-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 8px 20px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(23, 39, 31, .12);
  }
  :root .site-nav.open nav { display: flex; }
  :root .site-nav nav a { min-height: 48px; padding: 12px 0; font-size: 16px; }
}
@media (max-width: 600px) {
  :root .site-nav {
    grid-template-columns: minmax(44px, 1fr) auto minmax(44px, 1fr);
    padding-inline: max(16px, env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
  }
  :root .site-nav .brand { justify-self: start; }
  :root .site-nav .nav-toggle { justify-self: end; }
  :root .site-nav .brand > span:last-child { display: none; }
  :root .site-nav .nav-cta { justify-self: center; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  :root .site-nav .nav-cta { transition: none; }
  :root .site-nav .nav-cta::after { animation: none; }
}
@media print {
  body.has-site-nav { padding-top: 0; }
  #ios-safe-fill { display: none; }
}