/* ============================================================
   NAVIGATION – Sticky Header, clean & modern
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(17,17,17,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(34,204,0,0.2);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.header--scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  border-bottom-color: rgba(34,204,0,0.35);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

.nav__logo-text {
  display: none; /* Logo enthält bereits den Namen */
}

.nav__logo-text span {
  color: var(--accent);
}

/* Desktop-Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav__link {
  font-weight: 500;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.07);
}

.nav__link.active {
  color: var(--accent);
  background: rgba(34,204,0,0.08);
}

/* CTA-Button in der Navigation – grüne Pill */
.nav__cta {
  background: var(--accent) !important;
  color: var(--primary) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-full) !important;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.01em;
  margin-left: 0.5rem;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease !important;
  box-shadow: 0 2px 10px rgba(34,204,0,0.25);
}

.nav__cta:hover {
  background: var(--accent-dark) !important;
  color: var(--primary) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(34,204,0,0.4) !important;
}

/* Hamburger-Button */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.25s ease;
  margin: 0 auto;
}

/* Hamburger → X */
.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menü – Fixed Overlay
   WICHTIG: backdrop-filter auf .header macht es zum containing block für fixed-children.
   Deshalb kein bottom:0 (= bottom des headers), sondern height explizit setzen. */
.nav__mobile {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 68px);
  height: calc(100dvh - 68px); /* dynamic viewport height für mobile Browser */
  z-index: 999;
  flex-direction: column;
  background: #181818;
  border-top: 1px solid rgba(34,204,0,0.2);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0 2rem;
  gap: 0;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  padding: 1rem 1.5rem;
  border-radius: 0;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: block;
  min-height: 52px;   /* großes Touch-Target */
  display: flex;
  align-items: center;
}

.nav__mobile .nav__link:hover,
.nav__mobile .nav__link.active {
  color: var(--accent);
  background: rgba(34,204,0,0.06);
}

.nav__mobile .nav__cta {
  margin: 1.25rem 1.5rem 0;
  text-align: center !important;
  border-radius: var(--radius-full) !important;
  display: block;
  padding: 0.875rem 1.5rem !important;
  font-size: 1rem !important;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 480px) {
  .nav__mobile { top: 60px; } /* passt zur kleineren Header-Höhe auf 480px */
}

/* ── Dropdown-Menü ───────────────────────────────────────────── */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav__dropdown-arrow {
  transition: transform 0.2s ease;
  opacity: 0.6;
}

.nav__dropdown-toggle[aria-expanded="true"] .nav__dropdown-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

.nav__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a1a;
  border: 1px solid rgba(34,204,0,0.2);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  min-width: 180px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 2000;
  /* Einstiegs-Animation */
  opacity: 0;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

.nav__dropdown-menu.open {
  display: block;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav__dropdown-menu .nav__link {
  display: block;
  border-radius: var(--radius-md);
  padding: 0.55rem 0.9rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Kleiner Pfeil-Zeiger oben am Dropdown */
.nav__dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: rgba(34,204,0,0.2);
  border-top: none;
}

/* ── Mobile: Hamburger zeigen, Desktop-Links verstecken ─────── */
@media (max-width: 768px) {
  .nav__links    { display: none !important; }
  .nav__hamburger{ display: flex; }
}

/* ── Sehr kleine Smartphones ────────────────────────────────── */
@media (max-width: 480px) {
  .nav { height: 60px; }
  .nav__logo img { height: 40px; }
}