/*
 * DEPLA Theme: Header, Hauptnavigation, Sticky-Header, Mobil-Menue
 * Verhalten (Messwerte der Live-Seite):
 *   ab 1025px   Header transparent ueber dem ersten Inhalt, Menue rechts, Sticky 70px dunkel
 *   768-1024px  wie Desktop, statt Menue ein Burger, Menue als Vollbild-Overlay
 *   bis 767px   Header dunkel 70px, oranger Burger, weisses Panel faehrt unter dem Header ein
 * Zustaende (gesetzt von menu.js auf <html>): .header-sticky, .nav-open
 */

.site-header-wrap {
  position: relative;
  z-index: var(--z-header);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  height: calc(var(--header-h) + 1px);
  border-bottom: 1px solid var(--color-border-on-dark);
}

/* Hintergrundflaeche als eigene Ebene, damit das Mobil-Panel darunter einfahren kann */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-logo {
  position: relative;
  z-index: 3;
  display: block;
  flex: 0 0 auto;
  width: var(--logo-w);
  transition: width var(--ease-base);
}

.site-logo img {
  width: 100%;
  height: auto;
}

/* Navigation: Contao-Navigationsmodul (nav_default) im Slot header */
.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav ul ul {
  display: none;
}

.site-nav .level_1 > li > :is(a, strong) {
  display: block;
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--ease-base), opacity var(--ease-base);
}

/* Burger */
.nav-toggle {
  position: relative;
  z-index: 5;
  display: none;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-white);
}

.nav-toggle__lines,
.nav-toggle__lines::before,
.nav-toggle__lines::after {
  display: block;
  background: currentColor;
  transition: transform var(--ease-base), background-color var(--ease-base), top var(--ease-base);
}

.nav-toggle__lines {
  position: relative;
}

.nav-toggle__lines::before,
.nav-toggle__lines::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
}

.nav-open .nav-toggle__lines {
  background-color: transparent;
}

.nav-open .nav-toggle__lines::before,
.nav-open .nav-toggle__lines::after {
  top: 0;
}

.nav-open .nav-toggle__lines::before {
  transform: rotate(45deg);
}

.nav-open .nav-toggle__lines::after {
  transform: rotate(-45deg);
}

.nav-open,
.nav-open body {
  overflow: hidden;
}

/* ---------------------------------------------------------------------------
 * Desktop ab 1025px: Menue im Header
 * ------------------------------------------------------------------------ */

@media (min-width: 1025px) {
  .site-nav {
    position: relative;
    z-index: 3;
  }

  /* column-gap entspricht dem Leerraum zwischen inline-block-Listenpunkten im Original (ca. 4px) */
  .site-nav .level_1 {
    display: flex;
    align-items: center;
    column-gap: 0.27rem;
  }

  .site-nav .level_1 > li > :is(a, strong) {
    padding: 0 var(--nav-item-gap);
    font-family: var(--font-heading);
    font-size: var(--fs-nav);
    font-weight: var(--fw-bold);
    line-height: var(--header-h);
    text-transform: uppercase;
    white-space: nowrap;
    hyphens: none;
  }

  .site-nav .level_1 > li:last-child > :is(a, strong) {
    padding-right: 0;
  }

  .site-nav .level_1 > li > a:hover {
    opacity: var(--hover-opacity);
  }

  .site-nav .level_1 > li > :is(.active, .trail) {
    color: var(--color-primary);
  }

  .header-sticky .site-nav .level_1 > li > :is(a, strong) {
    line-height: var(--header-h-sticky);
  }
}

/* ---------------------------------------------------------------------------
 * Sticky-Header ab 768px: dunkler Balken 70px faehrt von oben ein
 * ------------------------------------------------------------------------ */

@keyframes depla-header-in {
  from { top: calc(-1 * var(--header-h)); }
  to { top: 0; }
}

@media (min-width: 768px) {
  .header-sticky .site-header {
    position: fixed;
    top: 0;
    height: var(--header-h-sticky);
    border-bottom: 0;
    box-shadow: var(--shadow-header);
    animation: depla-header-in var(--ease-slow);
  }

  .header-sticky .site-header::before {
    background: var(--color-secondary);
  }

  .header-sticky .site-logo {
    width: var(--logo-w-sticky);
  }
}

/* ---------------------------------------------------------------------------
 * Tablet 768 bis 1024px: Burger weiss, Vollbild-Overlay
 * ------------------------------------------------------------------------ */

@media (min-width: 768px) and (max-width: 1024px) {
  .nav-toggle {
    display: flex;
    width: 35px;
    height: 35px;
  }

  .nav-toggle__lines {
    width: 35px;
    height: 1px;
  }

  .nav-toggle__lines::before { top: -12px; }
  .nav-toggle__lines::after { top: 12px; }

  .nav-open .nav-toggle__lines::before,
  .nav-open .nav-toggle__lines::after {
    top: 0;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 4;
    overflow-y: auto;
    background: var(--color-overlay-nav);
    text-align: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--ease-overlay), visibility 0s linear 0.5s;
  }

  .nav-open .site-nav {
    visibility: visible;
    opacity: 1;
    transition: opacity var(--ease-overlay), visibility 0s;
  }

  .site-nav .level_1 {
    margin-top: 20vh;
    padding: 20px;
  }

  .site-nav .level_1 > li {
    padding: 0.5rem;
    font-size: var(--fs-nav-overlay);
    font-weight: var(--fw-regular);
    line-height: var(--lh-nav-overlay);
    text-transform: uppercase;
  }

  .site-nav .level_1 > li > :is(a, strong) {
    display: inline;
    font-weight: inherit;
  }

  .site-nav .level_1 > li > :is(.active, .trail) {
    border-bottom: 1px solid var(--color-white);
  }

  .site-nav .level_1 > li > a:hover {
    opacity: var(--hover-opacity);
  }
}

/* ---------------------------------------------------------------------------
 * Mobil bis 767px: Header dunkel, Burger orange, weisses Panel
 * ------------------------------------------------------------------------ */

@media (max-width: 767px) {
  .site-header-wrap {
    height: var(--header-h-mobile);
  }

  .site-header {
    height: var(--header-h-mobile);
    border-bottom: 0;
  }

  .header-sticky .site-header {
    position: fixed;
    top: 0;
    animation: depla-header-in var(--ease-slow);
  }

  .site-header::before {
    background: var(--color-secondary);
  }

  .site-header__inner {
    padding-inline: var(--container-pad-mobile);
  }

  .site-logo {
    width: var(--logo-w-mobile);
  }

  .nav-toggle {
    display: flex;
    position: absolute;
    top: 50%;
    right: 0;
    width: 44px;
    height: 44px;
    padding-right: 10px;
    transform: translateY(-50%);
    color: var(--color-primary);
  }

  .nav-toggle__lines {
    width: 21px;
    height: 2px;
    border-radius: 10px;
  }

  .nav-toggle__lines::before,
  .nav-toggle__lines::after {
    border-radius: 10px;
  }

  .nav-toggle__lines::before { top: -7px; }
  .nav-toggle__lines::after { top: 7px; }

  .nav-open .nav-toggle__lines::before,
  .nav-open .nav-toggle__lines::after {
    top: 0;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h-mobile);
    left: 0;
    right: 0;
    z-index: 1;
    height: calc(100% - var(--header-h-mobile));
    overflow-y: auto;
    padding: 40px var(--container-pad-mobile) var(--container-pad-mobile);
    background: var(--color-white);
    transform: translateY(calc(-100% - var(--header-h-mobile)));
    visibility: hidden;
    transition: transform var(--ease-base), visibility 0s linear 0.3s;
  }

  .nav-open .site-nav {
    transform: translateY(0);
    visibility: visible;
    transition: transform var(--ease-base), visibility 0s;
  }

  .site-nav .level_1 > li > :is(a, strong) {
    padding: 4px 40px 4px 0;
    color: var(--color-text);
    font-size: var(--fs-nav-mobile);
    line-height: var(--lh-base);
  }

  .site-nav .level_1 > li > :is(strong, a:focus-visible) {
    font-weight: var(--fw-bold);
  }
}