/* ============================================
   navigation.css – NAVIGATION (Mobile First)
   ============================================ */

/* ============================================
   1. HEADER
   ============================================ */
.site-header {
  padding: var(--spacing-sm) 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

/* ============================================
   2. LOGO
   ============================================ */
.logo a {
  font-family: var(--font-michroma);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.logo a:hover {
  color: var(--color-accent);
}

/* ============================================
   3. BURGER-MENÜ (Mobile)
   ============================================ */
.burger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: background 0.3s ease;
  position: relative;
  z-index: 106;
}

.burger:hover {
  background: var(--color-primary);
}

.burger:hover span {
  background: var(--color-white);
}

.burger span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

/* Burger-Animation (geöffnet) */
.menu-toggle:checked + .burger span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle:checked + .burger span:nth-child(2) {
  opacity: 0;
}

.menu-toggle:checked + .burger span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   4. CHECKBOX (versteckt)
   ============================================ */
.menu-toggle {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  border: 0 !important;
}

/* ============================================
   5. OVERLAY
   ============================================ */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.menu-toggle:checked ~ .nav-overlay {
  display: block;
  opacity: 1;
}

/* ============================================
   6. NAVIGATION (Mobile)
   ============================================ */
.main-nav {
  order: -1;
}

.nav-list {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-white);
  flex-direction: column;
  padding: 70px var(--spacing-lg) var(--spacing-xl);
  gap: var(--spacing-sm);
  z-index: 100;
  box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
  transition: left 0.4s ease, opacity 0.4s ease;
  overflow-y: auto;
  align-items: flex-start;
  justify-content: flex-start;
  opacity: 0;
  pointer-events: none;
  display: flex;
  list-style: none;
  margin: 0;
}

.menu-toggle:checked ~ .main-nav .nav-list {
  left: 0;
  opacity: 1;
  pointer-events: auto;
}

.nav-list a {
  font-size: var(--text-lg);
  padding: var(--spacing-xs) 0;
  color: var(--color-primary);
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
  display: block;
  width: 100%;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  border-bottom-color: var(--color-primary);
  color: var(--color-accent);
}

/* ============================================
   7. SUBMENU (Mobile)
   ============================================ */
.nav-submenu {
  display: block;
  padding-left: var(--spacing-md);
  margin-top: var(--spacing-xs);
  width: 100%;
  background: transparent;
  border: none;
  box-shadow: none;
}

.nav-submenu a {
  font-size: var(--text-sm);
  padding: var(--spacing-xs) 0;
  color: var(--color-primary);
}

/* ============================================
   8. DESKTOP-NAVIGATION (progressive Verbesserung)
   ============================================ */
@media (min-width: 768px) {
  .burger {
    display: none;
  }

  .nav-overlay {
    display: none !important;
  }

  .main-nav {
    order: 0;
  }

  .nav-list {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    flex-direction: row;
    padding: 0;
    gap: var(--spacing-md);
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    overflow-y: visible;
    align-items: center;
    justify-content: flex-start;
  }

  .nav-list a {
    font-size: var(--text-xs);
    padding: 0.3rem 0 0.5rem 0;
    width: auto;
    white-space: nowrap;
  }

  .nav-item-has-children {
    position: relative;
  }

.nav-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  right: auto;
  min-width: max-content;
  max-width: 90vw;
  background: var(--color-white);
  border: 1px solid var(--color-light);
  border-radius: var(--border-radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-xs) 0;   /* geändert: von var(--spacing-sm) auf var(--spacing-xs) */
  display: none;
  z-index: 105;
}

  .nav-item-has-children:hover .nav-submenu {
    display: block;
  }

  .nav-submenu a {
    display: block;
    padding: var(--spacing-xs) 0.1rem;
    font-size: var(--text-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
}

@media (min-width: 992px) {
  .nav-list {
    gap: var(--spacing-xl);
  }

  .nav-list a {
    font-size: var(--text-sm);
  }

  .nav-submenu a {
    font-size: var(--text-sm);
    padding: var(--spacing-xs) 0.1rem;
  }
}