/* ==========================================================================
   Navigation
   Version: 3.7
   Struktur:
     1. Header-Shell & Zustände
     2. Brand / Logo
     3. Links
     4. Ausfahrbare Angebots-Navigationszeile
     5. CTA im Menü
     6. Burger-Toggle
     7. Mobiles Menü (Fullscreen, von links)
     8. Mobile Buchungsleiste
     9. Reduzierte Bewegung
   ========================================================================== */

/* 1. Header-Shell & Zustände --------------------------------------------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  --nav-sub-h: 3.5rem;
  height: var(--nav-h);
  display: flex;
  align-items: flex-start;
  background: transparent;
  isolation: isolate;
  transition: height 0.48s var(--ease);
}

/* Hintergrund-Ebenen getrennt halten: Ein Verlauf lässt sich nicht sauber
   direkt in eine Vollfläche überblenden. Über zwei Ebenen kann is-solid
   deshalb weich ein- und ausblenden. */
.nav::before,
.nav::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.48s var(--ease);
}

.nav::before {
  background: rgba(247, 244, 239, 0.9);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  backdrop-filter: blur(14px) saturate(120%);
  box-shadow: 0 1px 0 rgba(187, 175, 164, 0.5);
}

.nav::after {
  background: linear-gradient(
    to bottom,
    rgba(30, 25, 22, 0.52) 0%,
    rgba(30, 25, 22, 0.34) 48%,
    rgba(30, 25, 22, 0.12) 76%,
    rgba(30, 25, 22, 0) 100%
  );
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-m);
  width: 100%;
  max-width: var(--w-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--nav-h);
  transition: height 0.48s var(--ease);
}

/* Kompakter, heller Zustand: nur beim Scrollen.
   Das Öffnen des mobilen Menüs verändert die Header-Höhe nicht. */
.nav.is-subnav-open {
  height: calc(var(--nav-h) + var(--nav-sub-h));
}

.nav.is-solid {
  height: var(--nav-h-small);
}

.nav.is-solid.is-subnav-open {
  height: calc(var(--nav-h-small) + var(--nav-sub-h));
}

.nav.is-solid .nav__inner {
  height: var(--nav-h-small);
}

.nav.is-solid::before,
.nav.is-open::before,
.nav--opaque::before {
  opacity: 1;
}

/* Weicher Verlauf über dem Hero-Bild – blendet beim Übergang zu is-solid aus. */
.nav--over:not(.is-solid):not(.is-open)::after {
  opacity: 1;
}

/* Grundfarbe ist dunkel; nur der Zustand "über dem Hero" schaltet auf weiß.
   Dadurch stimmen auch --opaque-Seiten und das offene Menü automatisch. */
.nav--over:not(.is-solid):not(.is-open) .brand,
.nav--over:not(.is-solid):not(.is-open) .nav__link,
.nav--over:not(.is-solid):not(.is-open) .nav__subnav-link {
  color: var(--c-white);
}

.nav--over:not(.is-solid):not(.is-open) .brand__role {
  color: rgba(255, 253, 250, 0.82);
}

.nav--over:not(.is-solid):not(.is-open) .nav__toggle-bar {
  background: var(--c-white);
}

.nav--over:not(.is-solid):not(.is-open) .brand__logo-image--white {
  opacity: 1;
}

.nav--over:not(.is-solid):not(.is-open) .brand__logo-image--black {
  opacity: 0;
}

/* 2. Brand / Logo --------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  text-decoration: none;
  color: var(--c-ink);
  transition: color 0.48s var(--ease);
}

.brand--logo {
  width: 170px;
  height: 63px;
  line-height: 0;
}

.brand--text {
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
}

.brand__logo {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

.brand__logo-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity var(--t-base) var(--ease);
}

/* Standard: dunkles Logo sichtbar */
.brand__logo-image--white {
  opacity: 0;
}

.brand__logo-image--black {
  opacity: 1;
}

/* Im kompakten Header sitzt das Logo etwas kleiner und tiefer */
.nav.is-solid .brand--logo .brand__logo-image--black {
  inset: 10px 0 auto 0;
  height: 40px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.01em;
}

.brand__role {
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-olive);
  margin-top: 0.2rem;
  transition: color 0.48s var(--ease);
}

/* 3. Links ---------------------------------------------------------------- */

.nav__menu--desktop {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.25rem);
  margin: 0;
  padding: 0;
}

.nav__menu--mobile {
  display: none;
}

.nav__link {
  position: relative;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.9375rem;
  text-transform: uppercase;
  color: var(--c-ink);
  text-decoration: none;
  padding-block: 0.4rem;
  transition: color 0.48s var(--ease);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--ease);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* 4. Ausfahrbare Angebots-Navigationszeile --------------------------------------------- */

.nav__subnav {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--nav-h);
  height: var(--nav-sub-h);
  background: #e4e0db;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-100%);
  transition:
    top 0.48s var(--ease),
    transform 0.34s var(--ease),
    opacity 0.22s var(--ease),
    visibility 0s linear 0.34s;
}

.nav.is-solid .nav__subnav {
  top: var(--nav-h-small);
}

.nav.is-subnav-open .nav__subnav {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition:
    top 0.48s var(--ease),
    transform 0.34s var(--ease),
    opacity 0.22s var(--ease),
    visibility 0s linear 0s;
}

.nav.is-solid .nav__subnav,
.nav--opaque .nav__subnav {
  border-top-color: rgba(187, 175, 164, 0.38);
}

.nav__subnav-inner {
  width: 100%;
  max-width: var(--w-wide);
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1.25rem, 3vw, 3rem);
}

.nav__subnav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  padding-block: 0.45rem;
  color: #000;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.78rem;
  line-height: 1.2;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.48s var(--ease), opacity var(--t-base) var(--ease);
}

.nav__subnav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.2rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--ease);
}

.nav__subnav-link:hover::after,
.nav__subnav-link:focus-visible::after,
.nav__subnav-link[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav--over:not(.is-solid):not(.is-open) .nav__subnav-link {
  color: #000;
}

.nav__subnav-link:hover,
.nav__subnav-link:focus-visible {
  opacity: 0.72;
}

.nav__subnav-link:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}

.nav__subnav-icon {
  display: block;
  flex: none;
  width: 1.45rem;
  height: 1.45rem;
  background-color: currentColor;
  -webkit-mask-image: var(--nav-subnav-icon);
  mask-image: var(--nav-subnav-icon);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

/* 5. CTA im Menü ---------------------------------------------------------- */

.nav__cta {
  padding: 0.7rem 1.4rem;
  min-height: 2.75rem;
  font-size: 0.875rem;
}

/* 6. Burger-Toggle -------------------------------------------------------- */

.nav__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  background: none;
  border: 0;
  cursor: pointer;
  flex: none;
  /* über dem Menü-Panel, damit der Toggle immer klickbar bleibt */
  position: relative;
  z-index: 2;
}

.nav__toggle-box {
  display: block;
  width: 1.5rem;
  height: 0.75rem;
  position: relative;
}

.nav__toggle-bar {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--c-ink);
  transition: transform var(--t-base) var(--ease),
    opacity var(--t-fast) var(--ease), background var(--t-base) var(--ease);
}

.nav__toggle-bar:nth-child(1) {
  top: 0;
}

.nav__toggle-bar:nth-child(2) {
  top: 50%;
}

.nav__toggle-bar:nth-child(3) {
  top: 100%;
}

.nav.is-open .nav__toggle-bar:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

.nav.is-open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav.is-open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

/* 7. Mobiles Menü --------------------------------------------------------- */

@media (min-width: 62rem) {
  .nav {
    overflow: hidden;
  }
}

@media (max-width: 61.99rem) {
  .nav {
    --nav-sub-h: 0px;
    height: var(--nav-h);
    align-items: center;
  }

  .nav.is-solid {
    height: var(--nav-h-small);
  }

  .nav__inner,
  .nav.is-solid .nav__inner {
    height: 100%;
  }

  .nav__subnav {
    display: none;
  }

  .brand--logo {
    width: 145px;
    height: 54px;
  }

  .nav__toggle {
    display: inline-flex;
  }

  .nav__menu--desktop {
    display: none;
  }

  /* Das mobile Panel ist bereits im geschlossenen Zustand exakt 100vh hoch.
     Beim Öffnen wird ausschließlich horizontal verschoben – die Höhe bleibt
     unverändert. Logo und Toggle liegen dauerhaft darüber. */
  .nav.is-open .nav__inner {
    position: relative;
    z-index: 2;
  }

  .nav.is-open .brand,
  .nav.is-open .nav__toggle {
    position: relative;
    z-index: 3;
  }

  /* Der Kopf des geöffneten mobilen Menüs bleibt auf Header-Höhe und
     liegt als durchgehende Farbfläche über dem Fullscreen-Panel. */
  .nav.is-open::before {
    z-index: 2;
    background: #6b5246;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    box-shadow: none;
  }

  /* Im braunen mobilen Menü-Header immer das weiße Logo verwenden. */
  .nav.is-open .brand__logo-image--white {
    opacity: 1;
  }

  .nav.is-open .brand__logo-image--black {
    opacity: 0;
  }

  .nav.is-open .nav__toggle-bar {
    background: var(--c-white);
  }

  .nav__menu--mobile {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100vw;
    max-width: none;
    height: calc(100vh - 70px);
    z-index: 1;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    background: var(--c-bg);
    padding: 1.1rem 1.5rem 2rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    transform: translateX(-100%);
    transition: transform var(--t-base) var(--ease),
      visibility 0s linear var(--t-base);
    will-change: transform;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  }

  .nav.is-open .nav__menu--mobile {
    visibility: visible;
    transform: translateX(0);
    transition: transform var(--t-base) var(--ease), visibility 0s;
  }

  /* Einträge erscheinen sauber gleichzeitig mit dem Panel */
  .nav__menu--mobile > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .nav.is-open .nav__menu--mobile > * {
    opacity: 1;
    transform: none;
  }

  .nav__menu--mobile .nav__link,
  .nav__mobile-parent-row {
    width: 100%;
  }

  .nav__menu--mobile > .nav__link,
  .nav__mobile-group {
    border-bottom: 1px solid rgba(107, 82, 70, 0.16);
  }


  .nav__menu--mobile .nav__link {
    display: block;
    font-family: "Montserrat", Arial, sans-serif;
    font-size: 1.3rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-ink);
    padding: 1.2rem 0;
  }

  .nav__menu--mobile .nav__link::after {
    display: none;
  }

  .nav__mobile-parent-row {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .nav__link--mobile-parent {
    flex: 1 1 auto;
    min-width: 0;
  }

  .nav__mobile-disclosure {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-right: -0.2rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: rgba(53, 43, 38, 0.5);
    cursor: pointer;
    transition: color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
  }

  .nav__mobile-disclosure-icon {
    width: 0.8rem;
    height: 0.8rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-0.05rem);
    transition: transform var(--t-base) var(--ease);
  }

  .nav__mobile-group.is-open .nav__mobile-disclosure {
    color: rgba(53, 43, 38, 0.8);
  }

  .nav__mobile-group.is-open .nav__mobile-disclosure-icon {
    transform: rotate(225deg) translateY(-0.02rem);
  }

  .nav__mobile-submenu {
    display: grid;
    gap: 0;
    padding: 0 0 0.6rem 0;
  }

  .nav__mobile-submenu[hidden] {
    display: none;
  }

  .nav__mobile-submenu-link {
    display: block;
    padding: 0.55rem 0 0.55rem 1.2rem;
    font-size: 0.95rem;
    line-height: 1.35;
    color: rgba(53, 43, 38, 0.8);
    text-decoration: none;
  }

  .nav__mobile-submenu-link[aria-current='page'],
  .nav__link--mobile-parent[aria-current='page'] {
    color: #6b5246;
  }

  .nav__menu--mobile .nav__cta {
    align-self: flex-start;
    margin-top: 1.4rem;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 1rem 2rem;
  }
}

/* Scroll-Sperre, solange das Menü offen ist */
body.is-locked {
  overflow: hidden;
}

/* 8. Mobile Buchungsleiste ------------------------------------------------ */

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: none;
  padding: 0.75rem var(--gutter)
    calc(0.75rem + env(safe-area-inset-bottom, 0px));
  background: rgba(247, 244, 239, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--c-sand);
  transform: translateY(110%);
  transition: transform var(--t-base) var(--ease);
}

.mobile-cta .btn {
  width: 100%;
}

@media (max-width: 47.99rem) {
  .mobile-cta {
    display: block;
  }

  .mobile-cta.is-visible {
    transform: translateY(0);
  }
}

/* Leiste ausblenden, solange das Menü offen ist */
.nav.is-open ~ .mobile-cta,
body.is-locked .mobile-cta {
  transform: translateY(110%);
}

/* 9. Reduzierte Bewegung -------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .nav,
  .nav::before,
  .nav::after,
  .nav__menu--mobile,
  .nav__subnav,
  .nav__subnav-link,
  .nav__subnav-link::after,
  .nav__menu--mobile > *,
  .nav__link,
  .nav__link::after,
  .nav__toggle-bar,
  .brand,
  .brand__role,
  .brand__logo-image,
  .mobile-cta {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}