/* ===== Navigation Component ===== */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Nur die sichtbaren Elemente in der Navigation sollen klickbar sein */
.logo,
.hamburger {
  pointer-events: auto;
}

/* Header Scrolled State */
header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-md);
}

nav {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 1024px) {
  nav {
    padding: var(--spacing-sm) var(--container-padding-lg);
  }
}

/* ===== Logo ===== */

.logo {
  display: flex;
  align-items: center;
  z-index: var(--z-fixed);
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-base);
}

.logo-link:hover {
  opacity: 0.8;
}

.logo img {
  height: 40px;
  width: auto;
  margin-right: var(--spacing-sm);
}

@media (min-width: 768px) {
  .logo img {
    height: 50px;
  }
}

.logo span {
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

/* ===== Navigation Menu ===== */

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
  align-items: center;
  pointer-events: auto;
}

.nav-menu li {
  position: relative;
}

.nav-menu li a {
  color: var(--color-text-light);
  text-decoration: none;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) 0;
  display: block;
  position: relative;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-menu li a:hover {
  color: var(--color-primary);
}

.nav-menu li a:hover::after {
  width: 100%;
}

/* Active Link */
.nav-menu li a.active {
  color: var(--color-primary);
}

.nav-menu li a.active::after {
  width: 100%;
}

/* ===== Dropdown Menu (for Leistungen) ===== */

.nav-menu li.has-dropdown {
  position: relative;
}

.nav-menu li.has-dropdown > a::after {
  display: none; /* Remove underline for dropdown trigger */
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-bg-elevated-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-menu li.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu li a {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.dropdown-menu li a::after {
  display: none;
}

.dropdown-menu li a:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===== Hamburger Menu ===== */

.hamburger {
  display: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  position: relative;
  width: 40px;
  height: 40px;
  z-index: var(--z-fixed);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.hamburger span {
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 25px;
  height: 3px;
  background-color: var(--color-text-light);
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.hamburger span:nth-child(1) {
  top: 10px;
}

.hamburger span:nth-child(2) {
  top: 18px;
}

.hamburger span:nth-child(3) {
  top: 26px;
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
  top: 18px;
  transform: translateX(-50%) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  top: 18px;
  transform: translateX(-50%) rotate(-45deg);
}

/* ===== Mobile Styles ===== */

@media (max-width: 768px) {
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    left: 0;
    top: 60px;
    flex-direction: column;
    background-color: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    width: 100%;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg) 0;
    gap: 0;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    z-index: calc(var(--z-fixed) - 1);
    pointer-events: none;
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-menu li {
    margin: 0;
    width: 100%;
  }

  .nav-menu li a {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu li a::after {
    display: none;
  }

  /* Mobile Dropdown - Always visible on mobile */
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    max-height: none;
    overflow: visible;
    transform: none;
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
  }

  .dropdown-menu li a {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-xl);
    opacity: 0.7;
    min-height: 40px;
  }

  .dropdown-menu li a:hover,
  .dropdown-menu li a:active {
    opacity: 1;
  }

  .logo span {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  nav {
    padding: var(--spacing-sm) var(--spacing-sm);
  }

  .logo span {
    font-size: var(--font-size-base);
  }

  .logo img {
    height: 35px;
  }
}