/* ==========================================================================
   Schatz Elektrotechnik – Layout
   Seitenkopf, Hauptnavigation, Farbschema-Schalter, Seitenfuß
   ========================================================================== */

/* ---------- Seitenkopf ---------- */
.site-header {
  /* im Dunkelmodus gleiches Dunkelgrau wie im Hellmodus, damit die helle Menüschrift genug Kontrast hat */
  --header-bg: light-dark(var(--base-semi-dark), oklch(0.45 0.021 243.503139019));
  --header-height: 73px;
  position: sticky;
  inset-block-start: 0;
  z-index: 9999;
  transition: transform 0.4s;
}

/* beim Herunterscrollen ausblenden, beim Hochscrollen wieder zeigen */
.site-header--hidden {
  transform: translateY(-100%);
}

.site-header__bar {
  position: relative;
  z-index: 999;
  padding: 0.5rem 1rem;
  background: var(--header-bg);
  border-block-end: 1px solid rgb(0 0 0 / 7%);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  inline-size: 100%;
  max-inline-size: var(--content-width);
  margin-inline: auto;
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 9999;
}

.site-header__logo img {
  inline-size: auto;
  block-size: 50px;
}

.site-header__scheme {
  margin-inline: var(--space-m);
  position: relative;
  z-index: 9999;
}

/* ---------- Farbschema-Schalter (Sonne / Mond) ---------- */
.scheme-switch {
  --switch-size: 14%;
  --icon-size: 10em;
  --moon-color: #d9fbff;
  --star-color: var(--moon-color);
  --sun-color: #ffc233;
  inline-size: 36px;
  block-size: 36px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 0;
  position: relative;
  overflow: visible;
}

.scheme-switch__icon {
  font-size: var(--switch-size);
  display: flex;
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  translate: -50% -50%;
  border-radius: 50%;
  transition:
    rotate 400ms ease-in-out,
    box-shadow 400ms ease-in-out,
    background 400ms ease-in-out;
}

:root:not([data-scheme="moon"]) .scheme-switch__icon {
  font-size: calc(var(--switch-size) * 1.2);
  background: var(--sun-color);
  inline-size: calc(var(--icon-size) * 0.7);
  block-size: calc(var(--icon-size) * 0.7);
  rotate: 0deg;
  box-shadow:
    3em 3em 0 5em var(--sun-color) inset,
    0 -5em 0 -2.7em var(--sun-color),
    3.5em -3.5em 0 -3em var(--sun-color),
    5em 0 0 -2.7em var(--sun-color),
    3.5em 3.5em 0 -3em var(--sun-color),
    0 5em 0 -2.7em var(--sun-color),
    -3.5em 3.5em 0 -3em var(--sun-color),
    -5em 0 0 -2.7em var(--sun-color),
    -3.5em -3.5em 0 -3em var(--sun-color);
}

[data-scheme="moon"] .scheme-switch__icon {
  font-size: calc(var(--switch-size) * 1);
  inline-size: var(--icon-size);
  block-size: var(--icon-size);
  background: transparent;
  rotate: -75deg;
  box-shadow:
    3em 2.5em 0 0em var(--moon-color) inset,
    color-mix(in hsl, var(--star-color, white) 70%, transparent) 0em -7em 0 -4.5em,
    var(--star-color, white) 2em 6em 0 -4em,
    var(--star-color, white) -4em -7em 0 -4.3em,
    var(--star-color, white) 6em 2em 0 -4.2em,
    color-mix(in hsl, var(--star-color, white) 70%, transparent) 4.5em 4em 0 -4.5em,
    var(--star-color, white) -8em 0.5em 0 -4.4em,
    color-mix(in hsl, var(--star-color, white) 70%, transparent) -6em -4em 0 -4.5em,
    color-mix(in hsl, var(--star-color, white) 70%, transparent) -1em 7em 0 -4.5em;
}

/* ---------- Hauptnavigation ---------- */
.nav {
  --nav-color: light-dark(#fff, oklch(0.92 0 0));
  --nav-item-padding-block: 0.9rem;
  --nav-item-padding-inline: 1.1rem;
  --nav-item-hover-bg: hsl(0 0% 100% / 5%);
  --nav-dropdown-bg: var(--header-bg);
  --nav-dropdown-width: 320px;
  --nav-dropdown-inset: calc(var(--radius) / 3);
  --nav-dropdown-shadow: 0 5px 50px -10px rgb(0 0 0 / 20%);
  --nav-dropdown-item-hover-bg: light-dark(var(--base-semi-light), oklch(0.56 0.021 243.503139019));
  --nav-dropdown-item-hover-color: light-dark(var(--primary-dark), #fff);
  display: flex;
  align-items: center;
  flex-grow: 1;
}

.nav__list,
.nav__sublist {
  list-style: none;
  padding: 0;
}

.nav__item {
  position: relative;
}

.nav__link,
.nav__toggle {
  display: inline-flex;
  align-items: center;
  inline-size: 100%;
  padding: var(--nav-item-padding-block) var(--nav-item-padding-inline);
  color: var(--nav-color) !important;
  font-weight: 600;
  line-height: var(--text-line-height);
  text-align: start;
  text-decoration: none;
  border-radius: var(--radius);
  transition:
    background-color 0.2s,
    color 0.2s;
}

.nav__toggle {
  justify-content: space-between;
  gap: 10px;
}

.nav__chevron {
  inline-size: 1.2em;
  block-size: 1.2em;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.nav__badge {
  display: flex;
  align-items: center;
  margin-inline-start: 0.5em;
  padding: 0.1em 0.5em;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  border-radius: 0.5em;
}

.nav__link--cta {
  padding-inline: calc(var(--nav-item-padding-inline) * 1.4);
  background: var(--primary);
  color: #fff !important; /* weiß auf Petrol, auch im Dunkelmodus */
}

.nav__back {
  display: none;
}

/* Burger-Button (nur mobil sichtbar) */
.nav-toggle {
  --toggle-color: oklch(0.85 0.084 217.238849582); /* in beiden Modi hell, Kopfzeile ist immer dunkelgrau */
  display: none;
  position: relative;
  z-index: 9999;
  inline-size: 40px;
  min-block-size: 30px;
  padding: 0;
  align-items: center;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  position: absolute;
  inset-inline-end: 0;
  block-size: 4px;
  background: var(--toggle-color);
  border-radius: 195px;
  transition:
    transform 0.3s,
    inline-size 0.3s,
    inset 0.3s,
    opacity 0.2s,
    background-color 0.3s;
}

.nav-toggle__bars {
  inset-block-start: calc(50% - 2px);
  inline-size: 30px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
}

.nav-toggle__bars::before {
  inset-block-start: -10px;
  inline-size: 40px;
}

.nav-toggle__bars::after {
  inset-block-start: 10px;
  inline-size: 20px;
}

.nav-toggle[aria-expanded="true"] {
  --toggle-color: oklch(0.65 0.084 217.238849582);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  inset-inline-end: 5px;
  transform: rotate(225deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  inset-block-start: 0;
  inline-size: 30px;
  transform: rotate(90deg);
}

/* ----- Desktop: horizontale Leiste mit Dropdowns ----- */
@media (width > 1200px) {
  /* Logo in der Desktop-Leiste: 100 × 50 px wie auf der bisherigen Seite */
  .site-header__logo img {
    inline-size: 100px;
  }

  .nav__list {
    display: flex;
    align-items: center;
    inline-size: 100%;
  }

  .nav__list > .nav__item:first-child,
  .nav__list > .nav__item--cta {
    margin-inline-start: auto;
  }

  .nav__list > .nav__item--cta {
    padding-inline-start: var(--nav-item-padding-inline);
  }

  .nav__item--mobile-only {
    display: none;
  }

  .nav__link:hover,
  .nav__toggle:hover,
  .nav__toggle[aria-expanded="true"] {
    background: var(--nav-item-hover-bg);
  }

  .nav__link--cta:hover {
    background: var(--primary-hover);
  }

  .nav__toggle[aria-expanded="true"] > .nav__chevron {
    transform: rotate(180deg);
  }

  .nav__dropdown {
    position: absolute;
    inset-block-start: calc(100% + 10px);
    inset-inline-start: 0;
    min-inline-size: var(--nav-dropdown-width);
    padding-block: var(--nav-dropdown-inset);
    background: var(--nav-dropdown-bg);
    border-radius: var(--radius);
    box-shadow: var(--nav-dropdown-shadow);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95) translateY(-15px);
    transform-origin: top;
    transition:
      opacity 0.2s,
      transform 0.2s,
      visibility 0.2s;
  }

  .nav__toggle[aria-expanded="true"] + .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  /* unsichtbare Brücke über die 10px-Lücke, damit das Menü beim Hinüberfahren offen bleibt */
  .nav__list > .nav__item > .nav__dropdown::before {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 100%;
    block-size: 10px;
  }

  .nav__sublist > .nav__item {
    padding-inline: var(--nav-dropdown-inset);
  }

  .nav__sublist .nav__badge {
    margin-inline-start: auto;
  }

  .nav__sublist .nav__link:hover,
  .nav__sublist .nav__toggle:hover,
  .nav__sublist .nav__toggle[aria-expanded="true"] {
    background: var(--nav-dropdown-item-hover-bg);
    color: var(--nav-dropdown-item-hover-color) !important;
  }

  /* zweite Ebene klappt nach rechts auf */
  .nav__sublist .nav__chevron,
  .nav__sublist .nav__toggle[aria-expanded="true"] > .nav__chevron {
    transform: rotate(-90deg);
  }

  .nav__sublist .nav__dropdown {
    inset-block-start: 0;
    inset-inline-start: 100%;
    transform: translateX(-20px);
  }
}

/* ----- Mobil: Vollbild-Menü mit Unterebenen zum Einschieben ----- */
@media (width <= 1200px) {
  .site-header {
    --header-height: 67px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    --nav-item-padding-inline: 0.75rem;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    z-index: 998;
    display: block;
    block-size: calc(100dvh - var(--header-height));
    background: var(--header-bg);
    overflow: hidden;
    visibility: hidden;
    clip-path: inset(0 0 100% 0);
    transition:
      clip-path 0.4s cubic-bezier(0.32, 0.72, 0, 1),
      visibility 0.4s;
  }

  .nav--open {
    visibility: visible;
    clip-path: inset(0);
  }

  .nav__list {
    block-size: 100%;
    overflow: hidden auto;
  }

  .nav__item {
    position: static;
  }

  .nav__link,
  .nav__toggle {
    border-radius: 0;
    border-block-end: 1px solid rgb(0 0 0 / 7%);
  }

  .nav__toggle > .nav__chevron {
    transform: rotate(-90deg);
  }

  .nav__badge {
    margin-inline-start: 0.5em;
  }

  .nav__sublist .nav__badge {
    margin-inline-start: auto;
  }

  .nav__item--cta {
    padding: var(--nav-item-padding-block) var(--nav-item-padding-inline);
    margin-block-start: var(--space-s); /* setzt den Button von der Liste ab */
  }

  .nav__link--cta {
    justify-content: center; /* volle Breite, Schrift mittig → klar als Button erkennbar */
    border: 0;
    border-radius: var(--radius);
  }

  .nav__dropdown {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: var(--header-bg);
    overflow: hidden auto;
    visibility: hidden;
    transform: translateX(100%);
    transition:
      transform 0.35s cubic-bezier(0.32, 0.72, 0, 1),
      visibility 0.35s;
  }

  .nav__toggle[aria-expanded="true"] + .nav__dropdown {
    visibility: visible;
    transform: none;
  }

  .nav__back {
    display: flex;
    align-items: center;
    gap: 0.5em;
    inline-size: 100%;
    padding: 0.65rem var(--nav-item-padding-inline);
    color: var(--nav-color);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .nav__back .nav__chevron {
    /* feste Größe wie die übrigen Menü-Pfeile, Farbe wie die Menüschrift */
    inline-size: 1.25rem;
    block-size: 1.25rem;
    transform: rotate(90deg);
    color: currentColor;
  }

  /* Seite hinter dem offenen Menü nicht scrollen */
  :root:has(.nav--open) {
    overflow: hidden;
  }
}

/* ---------- Seitenfuß ---------- */
.site-footer {
  inline-size: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: var(--section-padding-block);
  padding-inline: var(--gutter);
}