/* ============================================================
   NAVIGATION COMPONENT
   Integration des Burger-Menüs ins Gesamtprojekt
   ============================================================ */

/* --- HEADER --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--farbe-weiss);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.05);
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

.header.menu-offen {
  background: transparent;
  box-shadow: none;
}

/* Logo */
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.4s ease;
}

.logo-img {
  height: 48px;
  width: auto;
  transition: opacity 0.3s ease;
}

.logo-link:hover .logo-img {
  opacity: 0.85;
}

.header.menu-offen .logo-img {
  opacity: 0.9;
}

/* Desktop: Logo größer */
@media (min-width: 768px) {
  .logo-img {
    height: 56px;
  }
}

/* --- BURGER BUTTON --- */
.burger-btn {
  position: relative;
  width: 48px;
  height: 48px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1002;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.burger-btn .linie {
  position: absolute;
  height: 2.5px;
  border-radius: 3px;
  transition: all 0.5s var(--easing-smooth);
  background: var(--farbe-text-mittel);
  will-change: transform, width, opacity;
}

.burger-btn .linie:nth-child(1) {
  width: 28px;
  transform: translateY(-9px);
}

.burger-btn .linie:nth-child(2) {
  width: 20px;
  transform: translateX(4px);
}

.burger-btn .linie:nth-child(3) {
  width: 24px;
  transform: translateY(9px) translateX(2px);
}

/* Kreuz-Animation */
.burger-btn.aktiv .linie {
  background: var(--farbe-weiss);
}

.burger-btn.aktiv .linie:nth-child(1) {
  width: 28px;
  transform: translateY(0) rotate(45deg);
}

.burger-btn.aktiv .linie:nth-child(2) {
  width: 0;
  opacity: 0;
}

.burger-btn.aktiv .linie:nth-child(3) {
  width: 28px;
  transform: translateY(0) translateX(0) rotate(-45deg);
}

/* --- FULLSCREEN OVERLAY --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  overflow: hidden;
  clip-path: circle(0% at calc(100% - 44px) 38px);
  transition: clip-path 0.75s var(--easing-smooth);
  will-change: clip-path;
}

.menu-overlay.sichtbar {
  clip-path: circle(150% at calc(100% - 44px) 38px);
}

/* Basis-Gradient */
.menu-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    155deg,
    #1a0d2e 0%,
    var(--farbe-tiefviolett) 25%,
    var(--farbe-violett) 45%,
    var(--farbe-pink) 70%,
    var(--farbe-orange) 90%,
    var(--farbe-gold) 100%
  );
}

/* --- GLOW EFFEKT --- */
.menu-glow {
  position: absolute;
  top: 5%;
  right: -8%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(245, 183, 49, 0.35) 0%,
    rgba(232, 116, 42, 0.15) 40%,
    transparent 70%
  );
  filter: blur(40px);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 1s ease 0.3s, transform 1.2s var(--easing-smooth) 0.3s;
}

.menu-overlay.sichtbar .menu-glow {
  opacity: 1;
  transform: scale(1);
  animation: glowPuls 4s ease-in-out 1.5s infinite;
}

@keyframes glowPuls {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.7;
  }
}

/* --- FLOATING PARTIKEL --- */
.partikel-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  /* Force hardware acceleration */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.partikel {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  animation: partikelSteigen linear infinite;
  /* Hardware acceleration für Mobile */
  will-change: transform, opacity;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
}

/* Partikel steigen nach oben mit Schlingern und Transparenz-Abnahme */
@keyframes partikelSteigen {
  0% {
    transform: translate3d(0, 0, 0) scale(0);
    -webkit-transform: translate3d(0, 0, 0) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.9;
    transform: translate3d(8px, -30px, 0) scale(1);
    -webkit-transform: translate3d(8px, -30px, 0) scale(1);
  }
  25% {
    transform: translate3d(-12px, -80px, 0) scale(1.05);
    -webkit-transform: translate3d(-12px, -80px, 0) scale(1.05);
  }
  40% {
    transform: translate3d(15px, -130px, 0) scale(1);
    -webkit-transform: translate3d(15px, -130px, 0) scale(1);
    opacity: 0.75;
  }
  55% {
    transform: translate3d(-10px, -180px, 0) scale(0.95);
    -webkit-transform: translate3d(-10px, -180px, 0) scale(0.95);
  }
  70% {
    transform: translate3d(18px, -230px, 0) scale(0.85);
    -webkit-transform: translate3d(18px, -230px, 0) scale(0.85);
    opacity: 0.5;
  }
  85% {
    transform: translate3d(-8px, -280px, 0) scale(0.7);
    -webkit-transform: translate3d(-8px, -280px, 0) scale(0.7);
    opacity: 0.25;
  }
  100% {
    transform: translate3d(5px, -330px, 0) scale(0.4);
    -webkit-transform: translate3d(5px, -330px, 0) scale(0.4);
    opacity: 0;
  }
}

/* Webkit-spezifische Keyframes für iOS Safari */
@-webkit-keyframes partikelSteigen {
  0% {
    -webkit-transform: translate3d(0, 0, 0) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.9;
    -webkit-transform: translate3d(8px, -30px, 0) scale(1);
  }
  25% {
    -webkit-transform: translate3d(-12px, -80px, 0) scale(1.05);
  }
  40% {
    -webkit-transform: translate3d(15px, -130px, 0) scale(1);
    opacity: 0.75;
  }
  55% {
    -webkit-transform: translate3d(-10px, -180px, 0) scale(0.95);
  }
  70% {
    -webkit-transform: translate3d(18px, -230px, 0) scale(0.85);
    opacity: 0.5;
  }
  85% {
    -webkit-transform: translate3d(-8px, -280px, 0) scale(0.7);
    opacity: 0.25;
  }
  100% {
    -webkit-transform: translate3d(5px, -330px, 0) scale(0.4);
    opacity: 0;
  }
}

/* --- MENU INHALT --- */
.menu-inhalt {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding: 100px 36px 50px;
  overflow-y: auto;
}

/* Navigationsliste */
.nav-liste {
  list-style: none;
}

.nav-punkt {
  overflow: hidden;
}

.nav-punkt a {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--farbe-weiss);
  text-decoration: none;
  padding: 13px 0;
  position: relative;
  opacity: 0;
  transform: translateY(50px) scale(0.92);
  transition: opacity 0.5s var(--easing-smooth),
    transform 0.5s var(--easing-smooth), color 0.3s ease;
  letter-spacing: -0.02em;
}

.nav-punkt a.eingeblendet {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Leucht-Akzent bei Hover */
.nav-punkt a::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 50%;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--farbe-gold), var(--farbe-orange));
  border-radius: 2px;
  transform: translateY(-50%);
  transition: height 0.35s var(--easing-smooth);
  box-shadow: 0 0 12px rgba(245, 183, 49, 0.5);
}

.nav-punkt a:hover::before,
.nav-punkt a:active::before {
  height: 70%;
}

.nav-punkt a:hover,
.nav-punkt a:active {
  color: var(--farbe-gold);
}

/* Trennlinie */
.menu-trenner {
  height: 1px;
  margin: 28px 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.12),
    rgba(245, 183, 49, 0.2),
    rgba(255, 255, 255, 0.12)
  );
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.4s ease, transform 0.6s var(--easing-smooth);
}

.menu-trenner.eingeblendet {
  opacity: 1;
  transform: scaleX(1);
}

/* --- KONTAKTBEREICH --- */
.kontakt-bereich {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s var(--easing-smooth);
}

.kontakt-bereich.eingeblendet {
  opacity: 1;
  transform: translateY(0);
}

.kontakt-firma {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--farbe-gold);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.kontakt-adresse {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
}

.kontakt-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.kontakt-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--farbe-weiss);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  transition: color 0.3s ease, transform 0.3s ease;
}

.kontakt-link:hover,
.kontakt-link:active {
  color: var(--farbe-gold);
  transform: translateX(4px);
}

.kontakt-link-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.kontakt-link:hover .kontakt-link-icon,
.kontakt-link:active .kontakt-link-icon {
  background: rgba(245, 183, 49, 0.15);
  border-color: rgba(245, 183, 49, 0.3);
}

.kontakt-link-icon svg {
  width: 16px;
  height: 16px;
}

/* --- RESPONSIVE DESKTOP --- */
@media (min-width: 768px) {
  .header {
    padding: 20px 48px;
  }

  .logo-text {
    font-size: 1.4rem;
  }

  .menu-inhalt {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12vw;
    padding: 0 8vw;
    max-width: 1400px;
    margin: 0 auto;
  }

  .menu-trenner {
    display: none;
  }

  .nav-liste {
    flex-shrink: 0;
  }

  .nav-punkt a {
    font-size: 2.4rem;
    padding: 16px 0;
  }

  .nav-punkt a::before {
    left: -48px;
  }

  .kontakt-bereich {
    padding-left: 6vw;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 260px;
  }

  .kontakt-firma {
    font-size: 1.05rem;
    margin-bottom: 8px;
  }

  .kontakt-adresse {
    font-size: 0.9rem;
    margin-bottom: 28px;
  }

  .kontakt-link {
    font-size: 0.95rem;
  }

  .menu-glow {
    width: 550px;
    height: 550px;
    top: 0;
    right: 5%;
    filter: blur(60px);
  }
}

/* Breiter Desktop */
@media (min-width: 1200px) {
  .menu-inhalt {
    gap: 16vw;
  }

  .nav-punkt a {
    font-size: 2.8rem;
    padding: 18px 0;
  }

  .kontakt-bereich {
    padding-left: 8vw;
  }
}

/* --- ACCESSIBILITY --- */
@media (prefers-reduced-motion: reduce) {
  .menu-glow,
  .partikel,
  .nav-punkt a::before {
    animation: none !important;
  }
}