/* ==========================================================================
   KOMPONENTE — NAVIGATION
   components/navigation.css
   Hauptnavigation (Desktop), Dropdowns, Mega-Menü und Mobile-Drawer.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Desktop-Navigation
   -------------------------------------------------------------------------- */
.primary-nav { height: 100%; }
.nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}
.nav__item { display: flex; align-items: center; position: static; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 100%;
  padding: 0 1rem;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--c-text-strong);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link:hover,
.nav__item.is-open > .nav__link { color: var(--c-accent-700); }

/* aktive Seite */
.nav__link[aria-current="page"] { color: var(--c-accent-700); }

/* Unterstrich-Indikator */
.nav__link::after {
  content: "";
  position: absolute;
  left: 1rem; right: 1rem;
  bottom: -1px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav__link:hover::after,
.nav__item.is-open > .nav__link::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav__chev { width: 13px; height: 13px; transition: transform var(--dur-fast); }
.nav__item.is-open .nav__chev { transform: rotate(180deg); }

/* --------------------------------------------------------------------------
   Standard-Dropdown (einfache Liste)
   -------------------------------------------------------------------------- */
.dropdown {
  position: absolute;
  top: 100%;
  min-width: 260px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-accent);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility var(--dur);
  z-index: var(--z-mega);
}
.nav__item.has-dropdown { position: relative; }
.nav__item.is-open .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown__link {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.7rem 0.9rem;
  color: var(--c-text-strong);
  font-weight: 500;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.dropdown__link:hover { background: var(--c-gray-100); color: var(--c-accent-700); }
.dropdown__link span { font-size: var(--fs-xs); color: var(--c-text-muted); font-weight: 400; }

/* --------------------------------------------------------------------------
   Mega-Menü (volle Breite)
   -------------------------------------------------------------------------- */
.mega {
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: var(--c-white);
  border-top: 2px solid var(--c-accent);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility var(--dur);
  z-index: var(--z-mega);
}
.nav__item.has-mega { position: static; }
.nav__item.is-open .mega { opacity: 1; visibility: visible; transform: translateY(0); }

.mega__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 0.9fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-block: clamp(2rem, 3vw, 2.75rem);
}
.mega__promo {
  background: linear-gradient(140deg, var(--c-brand-blue) 0%, var(--c-brand-blue-800) 100%);
  color: #fff;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.mega__promo::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(120% 120% at 100% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(120% 120% at 100% 0%, #000 20%, transparent 75%);
}
.mega__promo-inner { position: relative; z-index: 1; }
.mega__promo .eyebrow { color: #fff; }
.mega__promo .eyebrow::before { background: #fff; }
.mega__promo h3 { color: #fff; font-size: 1.3rem; margin-bottom: 0.6rem; }
.mega__promo p { color: rgba(255,255,255,0.9); font-size: 0.9rem; margin-bottom: 1.25rem; }

.mega__col-title {
  font-family: var(--font-head);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--c-text-muted);
  padding-bottom: 0.85rem;
  margin-bottom: 0.5rem;
  border-bottom: var(--rule);
}
.mega__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.15rem; }
.mega__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.5rem;
  color: var(--c-text-strong);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background var(--dur-fast), color var(--dur-fast), padding-left var(--dur-fast);
}
.mega__link:hover {
  background: var(--c-gray-50);
  color: var(--c-accent-700);
  padding-left: 0.85rem;
}
.mega__link svg { width: 20px; height: 20px; color: var(--c-accent); flex: none; }
.mega__link span { display: block; }
.mega__link small { display: block; font-size: var(--fs-xs); color: var(--c-text-muted); font-weight: 400; }

/* --------------------------------------------------------------------------
   Suche-Overlay (optional)
   -------------------------------------------------------------------------- */
.search-panel {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-drawer);
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  padding: clamp(5rem, 8vw, 7rem) 0 clamp(2rem, 4vw, 3rem);
  transform: translateY(-100%);
  transition: transform var(--dur) var(--ease-out);
}
.search-panel.is-open { transform: translateY(0); }
.search-panel__close { position: absolute; top: 1.5rem; right: var(--gutter); }
.search-panel__hint { margin-top: 1rem; color: var(--c-text-muted); font-size: 0.9rem; }

/* --------------------------------------------------------------------------
   Mobile-Drawer
   -------------------------------------------------------------------------- */
.mobile-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(420px, 90vw);
  z-index: var(--z-drawer);
  background: var(--c-white);
  border-left: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease-out);
  overflow: hidden;
}
.mobile-drawer.is-open { transform: translateX(0); }

.mobile-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  border-bottom: 1px solid var(--c-border);
  flex: none;
  min-height: 72px;
}
.mobile-drawer__head img { height: 34px; width: auto; }
.mobile-drawer__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.5rem var(--gutter) 1.5rem;
  -webkit-overflow-scrolling: touch;
}
.mobile-drawer__foot {
  flex: none;
  padding: 1.25rem var(--gutter);
  border-top: 1px solid var(--c-border);
  background: var(--c-gray-50);
  display: grid;
  gap: 0.85rem;
}

/* Mobile-Navigationsliste (Akkordeon) */
.m-nav { list-style: none; margin: 0; padding: 0; }
.m-nav__item { border-bottom: 1px solid var(--c-border); }
.m-nav__row { display: flex; align-items: stretch; }
.m-nav__link {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  padding: 1rem 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--c-text-strong);
}
.m-nav__link[aria-current="page"] { color: var(--c-accent-700); }
.m-nav__toggle {
  flex: none;
  width: 52px;
  display: grid;
  place-items: center;
  color: var(--c-text-strong);
  border-left: 1px solid var(--c-border);
}
.m-nav__toggle svg { width: 20px; height: 20px; transition: transform var(--dur) var(--ease-out); }
.m-nav__toggle[aria-expanded="true"] svg { transform: rotate(180deg); color: var(--c-accent-700); }

.m-nav__sub {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 0;
  overflow: hidden;
  transition: height var(--dur) var(--ease-out);
}
.m-nav__sub-inner { padding: 0.25rem 0 0.85rem 0.85rem; border-left: 2px solid var(--c-accent-soft); margin-left: 0.15rem; }
.m-nav__sublink {
  display: block;
  padding: 0.6rem 0;
  color: var(--c-text-muted);
  font-size: 0.98rem;
  font-weight: 500;
}
.m-nav__sublink:hover { color: var(--c-accent-700); }

/* Mobile Sprachumschalter */
.m-lang { display: flex; gap: 0.5rem; }
.m-lang__btn {
  flex: 1 1 auto;
  padding: 0.7rem;
  border: 1px solid var(--c-border-strong);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--c-text-strong);
  text-transform: uppercase;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.m-lang__btn[aria-current="true"] { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.m-nav__meta { margin-top: 1.5rem; display: grid; gap: 0.75rem; }
.m-nav__meta a { display: flex; align-items: center; gap: 0.65rem; color: var(--c-text); font-size: 0.95rem; }
.m-nav__meta svg { width: 17px; height: 17px; color: var(--c-accent); flex: none; }