/* ---------------------------------------------------------------------------
   site.css — Ergänzungen zum Basis-Stylesheet (style.css)
   Enthält: Hauptnavigation mit Leistungs-Untermenü, aktive Zustände,
   Brotkrumen, Unterseiten-Hero, Kontaktraster.
   Nutzt ausschließlich die Design-Tokens aus style.css, damit Hell- und
   Dunkelmodus ohne Sonderfälle funktionieren.
   --------------------------------------------------------------------------- */

/* --- Hauptnavigation ----------------------------------------------------- */

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav a.is-current,
.nav .nav__toggle.is-current {
  color: var(--color-accent);
}

.nav a.is-current::after,
.nav .nav__toggle.is-current::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 2px;
  border-radius: var(--r-full);
  background: currentColor;
}

/* --- Untermenü "Leistungen" ---------------------------------------------- */

.nav__group {
  position: relative;
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.nav__toggle svg {
  transition: transform var(--dur-fast) ease;
}

.nav__group.is-open .nav__toggle svg {
  transform: rotate(180deg);
}

.nav__menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  translate: -50% 0;
  min-width: 268px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity var(--dur-fast) ease,
    transform var(--dur-fast) var(--ease-out),
    visibility var(--dur-fast);
  z-index: 60;
}

.nav__group:hover .nav__menu,
.nav__group:focus-within .nav__menu,
.nav__group.is-open .nav__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-md);
  font-size: .93rem;
  white-space: nowrap;
}

.nav__menu a:hover,
.nav__menu a:focus-visible {
  background: var(--color-surface-2);
  color: var(--color-accent);
}

.nav__menu a.is-current {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.nav__menu a.is-current::after {
  content: none;
}

.nav__menu svg {
  flex: none;
  color: var(--color-accent);
  opacity: .85;
}

.nav__menu-head {
  padding: 4px 12px 8px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
}

@media (max-width: 1080px) {
  .nav { display: none; }
}

/* --- Mobiles Menü -------------------------------------------------------- */

.drawer__group {
  margin: 6px 0 2px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

.drawer__grouphead {
  display: block;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-muted-fg);
  margin-bottom: 4px;
}

.drawer nav a.is-current {
  color: var(--color-accent);
}

/* --- Brotkrumen ---------------------------------------------------------- */

.breadcrumbs {
  padding-top: calc(var(--header-h) + 18px);
  padding-bottom: 4px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .88rem;
  color: var(--color-muted-fg);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-border);
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--color-foreground);
  font-weight: 500;
}

/* Auf Seiten mit Brotkrumen sitzt der Hero direkt darunter. */
.breadcrumbs + .hero--sub {
  padding-top: 26px;
}

/* --- Hero der Unterseiten ------------------------------------------------ */

.hero--sub {
  min-height: auto;
  padding-block: clamp(48px, 6vw, 92px) clamp(56px, 7vw, 104px);
}

.hero--sub h1 {
  max-width: 18ch;
}

.hero--sub .hero__lead {
  max-width: 62ch;
}

/* --- Kontaktraster ------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: clamp(16px, 2vw, 26px);
}

.contact-grid .contact-item {
  align-items: flex-start;
}

/* --- Kurzfakten / Definitionslisten -------------------------------------- */

.factlist {
  display: grid;
  gap: 0;
  margin: 0;
}

.factlist > div {
  display: grid;
  grid-template-columns: minmax(140px, 34%) 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.factlist > div:first-child {
  border-top: 1px solid var(--color-border);
}

.factlist dt {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-foreground);
}

.factlist dd {
  margin: 0;
  color: var(--color-muted-fg);
}

@media (max-width: 560px) {
  .factlist > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* --- 404 ----------------------------------------------------------------- */

.notfound {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-top: calc(var(--header-h) + 40px);
}

.notfound__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 9rem);
  line-height: 1;
  font-weight: 300;
  color: var(--color-accent);
  opacity: .5;
}

/* --- Hero-Bild als <picture> --------------------------------------------- */
/* Das <picture>-Element soll keine eigene Box erzeugen, damit die vorhandene
   Regel .hero__media img (Höhe 118 %, object-fit, Ken-Burns) weiter greift. */
.hero__media picture {
  display: contents;
}