/* ============================================================
   bestAnimalCARE — Design 2026, Kopfzeile (kopfzeile.css)
   Nur mit aktiver Weiche BAC_KOPFZEILE_FUER_ALLE geladen. Stil wie Nav.tsx der Landingpage:
   weiss, Haarlinie, Backdrop-Blur (auf Pseudo-Element, damit position:fixed im Panel
   nicht an den Header gebunden wird). Umschaltung Desktop/Mobil bei 64rem.
   Farben: Raspberry #a81858 (dunkel #7c1241), Graphite #2e3640, Haarlinie rgba(46,54,64,.12).
   ============================================================ */

.bac-kopf {
  --k-h: 4rem;
  --k-line: rgba(46, 54, 64, 0.12);
  --k-ink: #2e3640;
  --k-ink-2: rgba(46, 54, 64, 0.7);
  --k-ras: #a81858;
  --k-ras-d: #7c1241;
  --k-admin: 0px;
  position: sticky;
  top: var(--k-admin);
  z-index: 50;
  isolation: isolate;
  color: var(--k-ink);
  font-family: "Mulish", Verdana, "Trebuchet MS", sans-serif;
  font-size: 1rem;
  line-height: 1.4;
  border-bottom: 1px solid var(--k-line);
}
.bac-kopf::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
body.admin-bar .bac-kopf { --k-admin: 32px; }
@media (max-width: 782px) { body.admin-bar .bac-kopf { --k-admin: 46px; } }
@media (max-width: 600px) { body.admin-bar .bac-kopf { --k-admin: 0px; } }

.bac-kopf *, .bac-kopf *::before, .bac-kopf *::after { box-sizing: border-box; }
.bac-kopf ul { list-style: none; margin: 0; padding: 0; }
.bac-kopf li { margin: 0; padding: 0; }
.bac-kopf a { text-decoration: none; color: inherit; }
.bac-kopf button { font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: pointer; }

.bac-kopf :is(a, button, input):focus-visible {
  outline: 3px solid var(--k-ras);
  outline-offset: 2px;
  border-radius: 6px;
}

.bac-kopf__sr {
  position: absolute !important;
  width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Skip-Link: nur bei Fokus sichtbar */
.bac-kopf__skip {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  z-index: 3;
  /* unsichtbar bis Fokus (nicht per Verschiebung: oberhalb der Leiste kann die Topbar des Themes liegen) */
  clip-path: inset(50%);
  width: 1px; height: 1px; overflow: hidden; white-space: nowrap;
  padding: 0.75rem 1.25rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  background: var(--k-ras);
  color: #fff !important;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 999px;
}

.bac-kopf__skip:focus { clip-path: none; width: auto; height: auto; overflow: visible; outline: 3px solid var(--k-ink); outline-offset: 2px; }

/* ---------- Leiste ---------- */
.bac-kopf__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 80rem;
  min-height: var(--k-h);
  margin: 0 auto;
  padding: 0 1rem;
}
.bac-kopf__logo { flex: 0 1 auto; min-width: 0; margin-right: auto; }
.bac-kopf__logo a { display: flex; align-items: center; min-height: 44px; font-family: "Poppins", sans-serif; font-weight: 600; }
.bac-kopf__logo img { display: block; height: 2rem; width: auto; max-width: 100%; object-fit: contain; object-position: left center; }

.bac-kopf__aktionen { display: flex; align-items: center; gap: 0.125rem; flex: 0 0 auto; }

.bac-kopf__icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  color: var(--k-ink);
  transition: color 200ms ease, background-color 200ms ease;
}
.bac-kopf__icon-btn:hover { color: var(--k-ras); background: rgba(46, 54, 64, 0.05); }
.bac-kopf__icon { display: block; }

.bac-kopf__zaehler {
  position: absolute;
  top: 2px;
  right: 0;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--k-ras);
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.6875rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.bac-kopf__zaehler[hidden] { display: none; }

/* Pille "Geräte für Praxen" */
.bac-kopf__pille {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.25rem;
  border-radius: 999px;
  background: var(--k-ras);
  color: #fff !important;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  white-space: nowrap;
  transition: background-color 200ms ease, transform 160ms cubic-bezier(0.16, 1, 0.3, 1);
}
.bac-kopf__pille:hover { background: var(--k-ras-d); }
.bac-kopf__pille:active { transform: scale(0.97); }

/* Menü-Button: drei Striche, offen = X */
.bac-kopf__strich { transform-box: fill-box; transform-origin: center; transition: transform 200ms ease, opacity 200ms ease; }
.bac-kopf__menue-btn[aria-expanded="true"] .bac-kopf__strich--1 { transform: translateY(5px) rotate(45deg); }
.bac-kopf__menue-btn[aria-expanded="true"] .bac-kopf__strich--2 { opacity: 0; }
.bac-kopf__menue-btn[aria-expanded="true"] .bac-kopf__strich--3 { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Suche ---------- */
.bac-kopf__suche-form { position: relative; display: flex; align-items: center; width: 100%; }
.bac-kopf__suche-feld {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 48px;
  padding: 0 3.25rem 0 1.25rem;
  border: 1px solid rgba(46, 54, 64, 0.55);
  border-radius: 999px;
  background: #fff;
  color: var(--k-ink);
  font: 400 1rem/1.4 "Mulish", Verdana, sans-serif;
}
.bac-kopf__suche-feld::placeholder { color: #6b7681; opacity: 1; }
.bac-kopf__suche-feld:focus { border-color: var(--k-ras); box-shadow: 0 0 0 3px rgba(168, 24, 88, 0.18); outline: none; }
.bac-kopf__suche-senden {
  position: absolute;
  right: 2px;
  top: 2px;
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--k-ink);
}
.bac-kopf__suche-senden:hover { color: var(--k-ras); }

.bac-kopf__suchfeld { display: none; }
.bac-kopf__suchfeld.is-offen {
  display: block;
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: #fff;
  border-bottom: 1px solid var(--k-line);
  box-shadow: 0 14px 30px -18px rgba(46, 54, 64, 0.35);
}
.bac-kopf__suchfeld-innen { max-width: 80rem; margin: 0 auto; padding: 0.75rem 1rem; }
.bac-kopf__suchfeld-innen .bac-kopf__suche-form { max-width: 40rem; margin-left: auto; }

/* ---------- Navigation: gemeinsame Teile ---------- */
.bac-kopf__ctl {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  color: var(--k-ink);
  transition: color 200ms ease;
}
.bac-kopf__ctl:hover, .bac-kopf__ctl.is-pfad, .bac-kopf__ctl[aria-current="page"] { color: var(--k-ras); }
.bac-kopf__pfeil { width: 16px; height: 16px; transition: transform 200ms ease; }
.bac-kopf__ctl[aria-expanded="true"] .bac-kopf__pfeil { transform: rotate(180deg); }
.bac-kopf__sub-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.75rem;
  border-radius: 0.5rem;
  color: var(--k-ink);
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 200ms ease, background-color 200ms ease;
}
.bac-kopf__sub-link:hover, .bac-kopf__sub-link[aria-current="page"] { color: var(--k-ras); background: #eef1f3; }
.bac-kopf__gruppe-titel {
  display: block;
  padding: 0.5rem 0.75rem 0.25rem;
  color: var(--k-ink-2);
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bac-kopf__nur-desktop { display: none; }
.bac-kopf__mobil-extras { display: none; }
.bac-kopf__konto-btn { display: none; }
.bac-kopf__punkt[hidden] { display: none !important; }

/* ============================================================
   Mobil (< 64rem): Logo, Warenkorb, Menü-Button, Vollbild-Panel
   ============================================================ */
@media (max-width: 63.999rem) {
  .bac-kopf__panel {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    top: calc(var(--k-admin) + var(--k-h));
    max-height: calc(100dvh - var(--k-admin) - var(--k-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 1rem 1rem 2.5rem;
    background: #fff;
    border-top: 1px solid var(--k-line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 200ms ease, transform 200ms ease, visibility 0s linear 200ms;
  }
  .bac-kopf__panel.is-offen {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }
  .bac-kopf__panel:focus { outline: none; }
  .bac-kopf__liste > li { border-bottom: 1px solid var(--k-line); }
  .bac-kopf__ctl { width: 100%; justify-content: space-between; min-height: 52px; font-size: 1.0625rem; }
  .bac-kopf__punkt > a.bac-kopf__ctl { display: flex; }
  .bac-kopf__sub { display: none; padding: 0 0 0.75rem; }
  .bac-kopf__sub.is-offen { display: block; }
  .bac-kopf__gruppe { margin-top: 0.25rem; }
  .bac-kopf__mobil-extras { display: block; margin-top: 1rem; }
  .bac-kopf__extra-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 48px;
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    color: var(--k-ink);
  }
  .bac-kopf__extra-link:hover { color: var(--k-ras); }
  .bac-kopf__extra-link--text { font-size: 0.9375rem; color: var(--k-ink-2); }
  .bac-kopf__service { margin-top: 0.25rem; }
  .bac-kopf__recht { display: flex; flex-wrap: wrap; gap: 0 1.25rem; margin-top: 1rem; padding-top: 0.5rem; border-top: 1px solid var(--k-line); }
  .bac-kopf__recht-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.9375rem; color: var(--k-ink-2); text-decoration: underline !important; text-underline-offset: 3px; }
  .bac-kopf__recht-link:hover { color: var(--k-ras); }
  .bac-kopf__pille--mobil { display: flex; width: 100%; margin-top: 1rem; min-height: 52px; font-size: 1rem; }
  .bac-kopf__pille-zusatz { display: inline; }
  html.bac-kopf-offen { overflow: hidden; }
}

/* ============================================================
   Desktop (>= 64rem)
   ============================================================ */
@media (min-width: 64rem) {
  .bac-kopf { --k-h: 4.5rem; }
  .bac-kopf__bar { gap: 1rem; padding: 0 1.5rem; }
  .bac-kopf__logo { margin-right: 1rem; }
  .bac-kopf__logo img { height: 2rem; }
  .bac-kopf__nur-desktop { display: inline-flex; }
  .bac-kopf__konto-btn { display: inline-flex; }
  .bac-kopf__menue-btn { display: none; }
  /* 1024 bis 1279 px: Telefon-Symbol weg (Nummer steht im Kontakt und in der Fusszeile), Platz fuers Menue */
  .bac-kopf__tel-btn { display: none; }
  .bac-kopf__suchfeld-innen { padding: 0.875rem 1.5rem; }
  .bac-kopf__aktionen { gap: 0.25rem; }

  /* Panel löst sich auf: Nav sitzt direkt in der Leiste */
  .bac-kopf__panel { display: contents; }
  /* Basis 0: Breite haengt nie vom Inhalt ab, daher stabil messbar (Ueberlaufmenue) */
  .bac-kopf__nav { flex: 1 1 0; min-width: 0; }
  .bac-kopf__logo { flex-shrink: 0; }
  /* Ohne JS darf das Menue umbrechen; mit JS (Klasse --ueberlauf) wandert Ueberzaehliges nach Mehr. */
  .bac-kopf__liste { display: flex; flex-wrap: wrap; align-items: center; gap: 0; }
  .bac-kopf--ueberlauf .bac-kopf__liste { flex-wrap: nowrap; }
  .bac-kopf__punkt { flex: 0 0 auto; }
  .bac-kopf__punkt { position: relative; }
  .bac-kopf__ctl { padding: 0 0.625rem; font-size: 0.8125rem; white-space: nowrap; }
  .bac-kopf__punkt--mehr > .bac-kopf__sub { left: auto; right: 0; }
  .bac-kopf__pille { padding: 0 0.9rem; margin-left: 0.75rem; }
  .bac-kopf__pille-zusatz { display: none; }

  .bac-kopf__sub {
    position: absolute;
    left: 0;
    top: calc(100% + 0.25rem);
    z-index: 5;
    width: max-content;
    min-width: 15rem;
    max-width: min(22rem, calc(100vw - 2rem));
    max-height: calc(100dvh - var(--k-h) - var(--k-admin) - 1.5rem);
    overflow-y: auto;
    padding: 0.5rem;
    background: #fff;
    border: 1px solid var(--k-line);
    border-radius: 0.875rem;
    box-shadow: 0 18px 40px -22px rgba(46, 54, 64, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 0s linear 160ms;
  }
  .bac-kopf__sub.is-offen {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }
  .bac-kopf__gruppe + .bac-kopf__gruppe,
  .bac-kopf__sub-liste > li + .bac-kopf__gruppe { margin-top: 0.25rem; padding-top: 0.25rem; border-top: 1px solid var(--k-line); }
}

@media (min-width: 80rem) {
  .bac-kopf__tel-btn { display: inline-flex; }
  .bac-kopf__bar { padding: 0 2rem; gap: 1.5rem; }
  .bac-kopf__logo { margin-right: 1.5rem; }
  .bac-kopf__aktionen { gap: 0.375rem; }
  .bac-kopf__logo img { height: 2.5rem; }
  .bac-kopf__ctl { padding: 0 1rem; font-size: 0.9375rem; }
  .bac-kopf__pille { padding: 0 1.25rem; margin-left: 1.25rem; }
  .bac-kopf__pille-zusatz { display: inline; }
}

@media (max-width: 23.5rem) {
  .bac-kopf__bar { padding: 0 0.5rem; gap: 0.25rem; }
  .bac-kopf__logo img { height: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .bac-kopf *, .bac-kopf *::before, .bac-kopf *::after { transition-duration: 0.01ms !important; transition-delay: 0s !important; }
}

/* Sticky Kopfzeile verdeckt den Tastaturfokus nicht (WCAG 2.4.11); feste Werte, da --k-h nur auf .bac-kopf gilt */
html:has(.bac-kopf) { scroll-padding-top: 5rem; }
html:has(body.admin-bar .bac-kopf) { scroll-padding-top: calc(5rem + 32px); }
@media (max-width: 782px) { html:has(body.admin-bar .bac-kopf) { scroll-padding-top: calc(5rem + 46px); } }
@media (max-width: 600px) { html:has(body.admin-bar .bac-kopf) { scroll-padding-top: 5rem; } }