/**
 * Navigation Component Styles
 * Flora Design - Fixed navigation with logo and menu
 * Includes hamburger menu for mobile devices
 */

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: transparent;
  padding: 2rem 2rem;
  pointer-events: none;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 2400px;
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  pointer-events: auto;
  transition: opacity 0.2s ease;
  z-index: 1002; /* Above overlay */
}

.nav-logo:hover {
  opacity: 0.7;
}

.nav-logo__image {
  width: 50px;
  height: auto;
}

.nav-logo__text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: normal;
  text-transform: uppercase;
  color: var(--color-black);
  letter-spacing: 0.1em;
}

/* =====================================================
   Hamburger Button
   ===================================================== */
.nav-hamburger {
  display: none; /* Hidden on desktop */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  pointer-events: auto;
  z-index: 1002; /* Above overlay */
  transition: transform 0.2s ease;
}

.nav-hamburger:hover {
  transform: scale(1.05);
}

.nav-hamburger:focus {
  outline: none;
}

.nav-hamburger__line {
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* Hamburger to X animation */
.nav-hamburger.is-active .nav-hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-hamburger.is-active .nav-hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.is-active .nav-hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* =====================================================
   Mobile Overlay
   ===================================================== */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 999;
  pointer-events: none;
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Menu */
.nav-menu {
  display: flex;
  gap: 10rem;
  list-style: none;
  margin: 0;
  padding: 0;
  pointer-events: auto;
}

.nav-menu__item {
  margin: 0;
}

.nav-menu__link {
  position: relative;
  font-family: var(--font-heading);
  font-size: var(--heading-2);
  font-weight: 100;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-black);
  transition: opacity 0.2s ease;
  line-height: 1.2;
  overflow: hidden;
}

/* Growing vine underline */
.nav-menu__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #729818, #00d86a);
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), left 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-menu__link:hover::after {
  width: 100%;
  left: 0;
}

/* Tiny leaf at end of underline */
.nav-menu__link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  right: -8px;
  width: 8px;
  height: 8px;
  background: #729818;
  border-radius: 0 50% 50% 50%;
  transform: rotate(45deg) scale(0);
  transition: transform 0.3s 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-menu__link:hover::before {
  transform: rotate(45deg) scale(1);
}

.nav-menu__link:hover {
  opacity: 1;
}

.nav-menu__link:focus {
  outline: none;
}

/* Accessibility: Focus-visible für Tastatur-Navigation */
.nav-menu__link:focus-visible {
  box-shadow: 0 0 0 2px #729818;
  border-radius: 4px;
}

.nav-hamburger:focus-visible {
  box-shadow: 0 0 0 2px #729818;
  border-radius: 4px;
}

/* Logo breath animation on hover */
.nav-logo:hover .nav-logo__text {
  animation: breathe 1s ease-in-out;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* =====================================================
   Responsive - Tablet/Desktop (1024px)
   ===================================================== */
@media (max-width: 1024px) {
  .main-nav {
    padding: 1.5rem;
  }

  .nav-logo__image {
    width: 40px;
  }

  .nav-logo__text {
    font-size: 1.25rem;
  }

  /* Show hamburger on tablet/mobile */
  .nav-hamburger {
    display: flex !important;
  }

  /* Show overlay on tablet/mobile */
  .nav-overlay {
    display: block;
  }

  /* Mobile menu - vollflächig, von oben einfaden */
  .nav-menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important; /* Dynamic viewport height for mobile browsers */
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 3rem !important;
    background-color: #F1B7F4 !important; /* Rosa/Pink */
    padding: 4rem 2rem !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-20px) !important;
    transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease !important;
    z-index: 1001 !important;
    overflow-y: auto !important;
  }

  .nav-menu.is-open {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
  }

  .nav-menu__item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav-menu.is-open .nav-menu__item {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered animation for menu items */
  .nav-menu.is-open .nav-menu__item:nth-child(1) {
    transition-delay: 0.1s;
  }

  .nav-menu.is-open .nav-menu__item:nth-child(2) {
    transition-delay: 0.2s;
  }

  .nav-menu.is-open .nav-menu__item:nth-child(3) {
    transition-delay: 0.3s;
  }

  .nav-menu.is-open .nav-menu__item:nth-child(4) {
    transition-delay: 0.4s;
  }

  .nav-menu__link {
    font-size: var(--hero-date); /* Gleiche Größe wie Datum */
    font-weight: normal; /* Regular statt thin */
    text-align: center;
    display: block;
    padding: 0.5rem 1rem;
  }

  /* Remove underline animation on mobile for cleaner look */
  .nav-menu__link::after,
  .nav-menu__link::before {
    display: none;
  }

  /* Simple hover effect for mobile */
  .nav-menu__link:hover,
  .nav-menu__link:active {
    color: #729818;
  }
}

/* =====================================================
   Responsive - Mobile (480px)
   ===================================================== */
@media (max-width: 480px) {
  .main-nav {
    padding: 1rem;
  }

  .nav-logo__image {
    width: 36px;
  }

  .nav-logo__text {
    font-size: 1rem;
  }

  .nav-hamburger {
    width: 40px;
    height: 40px;
    gap: 5px;
  }

  .nav-hamburger__line {
    width: 24px;
  }

  /* Adjust hamburger animation for smaller gap */
  .nav-hamburger.is-active .nav-hamburger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-hamburger.is-active .nav-hamburger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-menu {
    gap: 2.5rem;
    padding: 3rem 1.5rem;
  }

  .nav-menu__link {
    font-size: var(--hero-date); /* Gleiche Größe wie Datum */
  }
}

/* =====================================================
   Reduced Motion - Accessibility
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  .nav-menu,
  .nav-menu__item,
  .nav-hamburger__line,
  .nav-overlay {
    transition: none !important;
  }

  .nav-menu__link::after,
  .nav-menu__link::before {
    transition: none !important;
  }

  .nav-logo:hover .nav-logo__text {
    animation: none;
  }
}