/* ==========================================================================
   VITA UMZÜGE – Kopfbereich, Navigation, Mobilmenü, Mobil-Aktionsleiste
   ========================================================================== */

.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-nav);
  height: var(--header-h);
  display: flex; align-items: center;
  background: linear-gradient(180deg, rgba(10, 12, 10, .78), rgba(10, 12, 10, .18) 65%, transparent);
  border-bottom: 1px solid transparent;
  transition: height var(--t) var(--ease), background-color var(--t) var(--ease),
              border-color var(--t) var(--ease), box-shadow var(--t) var(--ease),
              backdrop-filter var(--t) var(--ease);
}

/* Zustand nach dem Scrollen: kompakter, dunkler, mit Blur */
.header[data-scrolled="true"] {
  height: var(--header-h-tight);
  background: rgba(10, 12, 10, .88);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
  box-shadow: 0 14px 40px -26px rgba(0, 0, 0, .9);
}

.header[data-menu-open="true"] {
  background: rgba(10, 12, 10, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.header__inner {
  width: 100%; max-width: var(--wrap-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: clamp(.75rem, 2vw, 2.5rem);
}

/* --- Logo --------------------------------------------------------------- */
.brand { display: flex; align-items: center; flex: none; }
.brand img {
  width: auto;
  height: clamp(46px, 4vw, 72px);
  transition: height var(--t) var(--ease), filter var(--t) var(--ease);
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, .5));
}
.header[data-scrolled="true"] .brand img { height: clamp(40px, 3.1vw, 56px); }
.brand:hover img { filter: drop-shadow(0 2px 14px rgba(220, 187, 112, .35)); }

/* --- Desktop-Navigation ------------------------------------------------- */
.nav { display: none; }
.nav__list { display: flex; align-items: center; gap: clamp(.4rem, 1.4vw, 1.5rem); }

.nav__link {
  position: relative;
  display: block;
  padding: .55rem .35rem;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .055em;
  color: rgba(242, 240, 230, .86);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}
.nav__link::after {
  content: ''; position: absolute; left: .35rem; right: .35rem; bottom: .15rem; height: 1px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold-deep));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.nav__link:hover, .nav__link[aria-current] { color: var(--gold-light); }
.nav__link:hover::after, .nav__link[aria-current]::after { transform: scaleX(1); }

.header__cta { display: none; flex: none; }

/* --- Hamburger ---------------------------------------------------------- */
.burger {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  margin-right: -.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 12, 10, .4);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.burger:hover { border-color: var(--gold); }
/* Bei offenem Menü ist das Kreuz die einzige Schließmöglichkeit –
   deshalb deutlich hervorheben. */
.burger[aria-expanded="true"] {
  border-color: var(--gold);
  background: rgba(220, 187, 112, .14);
}
.burger[aria-expanded="true"] .burger__box span { background: var(--gold); }
.burger__box { position: relative; width: 22px; height: 14px; }
.burger__box span {
  position: absolute; left: 0; height: 1.5px; width: 100%;
  background: var(--gold-light);
  border-radius: 2px;
  transition: transform var(--t) var(--ease), opacity var(--t-fast) var(--ease), width var(--t) var(--ease);
}
.burger__box span:nth-child(1) { top: 0; }
.burger__box span:nth-child(2) { top: 6.25px; width: 70%; }
.burger__box span:nth-child(3) { bottom: 0; }
.burger[aria-expanded="true"] .burger__box span:nth-child(1) { transform: translateY(6.25px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__box span:nth-child(2) { opacity: 0; width: 0; }
.burger[aria-expanded="true"] .burger__box span:nth-child(3) { transform: translateY(-6.25px) rotate(-45deg); }

/* --- Mobilmenü ---------------------------------------------------------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: var(--z-menu);
  display: flex; flex-direction: column;
  padding: calc(var(--header-h) + 1.25rem) var(--gutter) 2rem;
  background: linear-gradient(165deg, var(--black) 0%, var(--charcoal) 58%, var(--black) 100%);
  visibility: hidden; opacity: 0;
  transition: opacity var(--t) var(--ease), visibility var(--t);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mobile-nav[data-open="true"] { visibility: visible; opacity: 1; }

.mobile-nav::before { /* goldener Lichtschein */
  content: ''; position: absolute; top: -10%; right: -25%;
  width: 70vw; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(220, 187, 112, .15), transparent 66%);
  pointer-events: none;
}

.mobile-nav__list { display: grid; gap: .2rem; position: relative; }
.mobile-nav__item {
  opacity: 0; transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  transition-delay: calc(var(--i) * 55ms);
}
.mobile-nav[data-open="true"] .mobile-nav__item { opacity: 1; transform: none; }

.mobile-nav__link {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: .85rem .25rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 1.1rem + 2.6vw, 2.1rem);
  font-weight: 600;
  color: var(--white);
  transition: color var(--t-fast) var(--ease), padding-left var(--t) var(--ease);
}
.mobile-nav__link svg { color: var(--gold); opacity: .5; transition: opacity var(--t-fast) var(--ease), transform var(--t) var(--ease); }
.mobile-nav__link:hover, .mobile-nav__link:active { color: var(--gold-light); padding-left: .7rem; }
.mobile-nav__link:hover svg { opacity: 1; transform: translateX(4px); }

.mobile-nav__foot {
  margin-top: auto; padding-top: 2rem;
  display: grid; gap: .8rem;
  position: relative;
}
.mobile-nav__contact {
  display: grid; gap: .55rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-small);
  color: var(--ink-muted);
}
.mobile-nav__contact a { display: inline-flex; align-items: center; gap: .6rem; }
.mobile-nav__contact svg { color: var(--gold); }

/* --- Mobile Aktionsleiste (fix am unteren Rand) ------------------------- */
.action-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-bar);
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: rgba(10, 12, 10, .94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  transform: translateY(110%);
  transition: transform var(--t) var(--ease);
}
.action-bar[data-show="true"] { transform: translateY(0); }

.action-bar__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .22rem;
  min-height: 62px;
  padding: .5rem .3rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--white);
  border-left: 1px solid var(--line-soft);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.action-bar__item:first-child { border-left: 0; }
.action-bar__item svg { color: var(--gold); transition: color var(--t-fast) var(--ease); }
.action-bar__item:active { background: rgba(220, 187, 112, .14); }
.action-bar__item--primary { background: linear-gradient(135deg, var(--gold-light), var(--gold) 50%, var(--gold-deep)); color: #14140F; }
.action-bar__item--primary svg { color: #14140F; }

/* --- Umschaltpunkte ----------------------------------------------------- */
@media (min-width: 1024px) {
  .nav { display: block; }
  .header__cta { display: block; }
  .burger { display: none; }
  .mobile-nav { display: none; }
  .action-bar { display: none; }
}
@media (max-width: 1023px) {
  body { padding-bottom: calc(62px + env(safe-area-inset-bottom, 0px)); }
}

/* Aktiver Punkt im Mobilmenü */
.mobile-nav__link[aria-current] { color: var(--gold-light); }
.mobile-nav__link[aria-current] svg { opacity: 1; }