/* MODULE: nav ─────────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.nav-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--text);
}
.nav-logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 14px !important;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent-light) !important; transform: translateY(-1px); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Mobile-Fallback direkt im nav-Modul ────────────────────────
   Stellt sicher dass Burger erscheint und Nav-Links kollabieren
   auch wenn responsive.css (aus welchem Grund auch immer) nicht
   greift (Service-Worker-Cache, CSS-Ladung verzögert etc.). */
@media (max-width: 768px) {
  .nav-inner {
    gap: 8px;
    padding: 0 16px;
  }
  .nav-logo { font-size: 18px; }
  .nav-logo img { width: 32px; height: 32px; }
  .nav-burger {
    display: flex !important;
    z-index: 102;
    flex-shrink: 0;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    position: fixed;
    top: var(--nav-h, 72px);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 101;
  }
  .nav-links.open a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
    color: var(--text);
  }
  .nav-links.open a:last-child { border-bottom: none; }
}