/* ══════════════════════════════════════════════════════════════════
   Navigation (Desktop + Mobile-Menü) – einzige Quelle für alle Seiten.
   Markup: <header class="site-header"> + <div id="mobile-menu"> auf jeder Seite,
   Verhalten: js/nav.js
   ══════════════════════════════════════════════════════════════════ */

:root {
  --nav-text: #111111;
  --nav-active: rgb(224,49,33);
  --nav-muted: rgba(17,17,17,0.55);
  --nav-line: rgba(17,17,17,0.08);
  --nav-hover-bg: rgba(17,17,17,0.06);
  --nav-sub-bg: rgb(245,245,246);
  --nav-focus: rgb(224,49,33);
}

/* ── Header-Leiste ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  padding: 1rem 0;
}
.site-nav {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: center;
}
.site-nav__bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(17,17,17,0.1);
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 14px rgba(17,17,17,0.06);
}
.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--nav-text);
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
}

/* ── Hauptpunkte: Links und der Leistungen-Button exakt gleich ── */
.site-nav__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 40px;
  padding: 0.5rem 0.875rem;
  margin: 0;
  border: 0;
  border-radius: 8px;
  background: none;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: normal;
  color: var(--nav-text);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s;
}
.nav-link:hover { background: var(--nav-hover-bg); }
.nav-link.is-active { color: var(--nav-active); }

.nav-caret {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

/* ── Desktop-Dropdown ── */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 10px;
  min-width: 190px;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid rgba(17,17,17,0.1);
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(17,17,17,0.12);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 60;
}
/* unsichtbare Brücke, damit das Menü beim Runterfahren mit der Maus offen bleibt */
.nav-dropdown__menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 12px;
}
.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown.is-open .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown:hover .nav-caret,
.nav-dropdown.is-open .nav-caret { transform: rotate(180deg); }
.nav-dropdown__item {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--nav-text);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.15s, color 0.15s;
}
.nav-dropdown__item:hover { background: var(--nav-hover-bg); }
.nav-dropdown__item.is-active { color: var(--nav-active); }

/* ── CTA + Hamburger ── */
.nav-cta-btn {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  background: rgb(224,49,33);
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}
.nav-cta-btn:hover { background: rgb(190,38,24); }
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  padding: 4px;
  background: none;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.hamburger-bar {
  width: 22px;
  height: 2px;
  background: #111111;
  border-radius: 2px;
  display: block;
}
@media (min-width: 1024px) {
  .site-nav__links { display: flex; }
  .nav-cta-btn { display: inline-flex; }
  .nav-hamburger { display: none; }
}

/* ── Mobile-Menü (Vollbild) ── */
#mobile-menu {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgb(255,255,255);
  z-index: 200;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-16px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
  pointer-events: none;
}
#mobile-menu.open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  /* beim Öffnen sofort sichtbar (sonst ist der Schließen-Button noch nicht fokussierbar) */
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0s;
}
.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
}
.mobile-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.25rem;
  background: none;
  border: 0;
  border-radius: 8px;
  color: var(--nav-text);
  cursor: pointer;
}
/* oben ausgerichtet statt zentriert: Aufklappen verschiebt nichts oberhalb */
.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1.5rem 0;
}
.mobile-menu__item {
  width: 100%;
  max-width: 20rem;
  border-bottom: 1px solid var(--nav-line);
}
.mobile-menu__item:first-child { border-top: 1px solid var(--nav-line); }
.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  min-height: 48px;
  padding: 1.1rem 0;
  margin: 0;
  border: 0;
  border-radius: 8px;
  background: none;
  font-family: 'Inter', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--nav-text);
  text-decoration: none;
  cursor: pointer;
}
.mobile-menu__link.is-active { color: var(--nav-active); }
.mobile-menu__toggle[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }

/* Unterpunkte: weich aufklappen über grid-template-rows */
.mobile-menu__sub {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease, visibility 0.25s;
  visibility: hidden;
}
.mobile-menu__sub.is-open {
  grid-template-rows: 1fr;
  visibility: visible;
}
.mobile-menu__sub-inner { overflow: hidden; min-height: 0; }
.mobile-menu__sub-box {
  margin: 0 0 1rem;
  padding: 0.25rem 1rem;
  background: var(--nav-sub-bg);
  border-radius: 12px;
}
.mobile-sub {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 48px;
  padding: 0.8rem 0;
  text-align: left;
  text-decoration: none;
  border-radius: 6px;
}
.mobile-sub + .mobile-sub { border-top: 1px solid var(--nav-line); }
.mobile-sub__text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.mobile-sub__title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--nav-text);
}
.mobile-sub__desc {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--nav-muted);
}
.mobile-sub.is-active .mobile-sub__title { color: var(--nav-active); }
.mobile-sub__chevron { flex-shrink: 0; color: rgba(17,17,17,0.35); }

.mobile-menu-cta { margin: 2rem 1.5rem 2.5rem; text-align: center; }
.mobile-menu-cta a {
  display: inline-block;
  width: 100%;
  max-width: 20rem;
  background: rgb(224,49,33);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 10px;
  text-decoration: none;
}

/* ── Linkfarben: site.css setzt „#app-root a { color: inherit }" (ID-Spezifität),
   daher hier mit #app-root-Präfix statt !important ── */
#app-root .site-nav__logo,
#app-root .nav-link,
#app-root .nav-dropdown__item,
#app-root .mobile-menu__link { color: var(--nav-text); }
#app-root .nav-link.is-active,
#app-root .nav-dropdown__item.is-active,
#app-root .mobile-menu__link.is-active { color: var(--nav-active); }
#app-root .mobile-menu-cta a { color: #ffffff; }

/* ── Sichtbarer Fokus für Tastaturbedienung ── */
.site-header a:focus-visible,
.site-header button:focus-visible,
#mobile-menu a:focus-visible,
#mobile-menu button:focus-visible {
  outline: 2px solid var(--nav-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  #mobile-menu,
  .mobile-menu__sub,
  .nav-dropdown__menu,
  .nav-caret { transition: none; }
}