/* ============================================================
   NAVIGATION – Therapeutische Praxis St. Gallen
   ============================================================ */

/* ── Basis ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.transparent { background: transparent; }

#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(42,74,30,0.08), var(--shadow-s);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  line-height: 1.1;
  text-decoration: none;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo .praxis-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--weiss);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

.nav-logo .praxis-tagline {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

#navbar.scrolled .nav-logo .praxis-name { color: var(--gruen-dunkel); }
#navbar.scrolled .nav-logo .praxis-tagline { color: var(--text-hell); }

/* ── Menu ── */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-menu > li { position: relative; }

.nav-link {
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  border-radius: var(--radius-s);
  transition: all var(--transition);
  letter-spacing: 0.03em;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.nav-link:hover { color: var(--weiss); background: rgba(255,255,255,0.1); }

#navbar.scrolled .nav-link { color: var(--text-mittel); }
#navbar.scrolled .nav-link:hover { color: var(--gruen-dunkel); background: var(--gruen-hauch); }

/* Aktiver Link */
.nav-link.active { color: var(--weiss); background: rgba(255,255,255,0.15); }
#navbar.scrolled .nav-link.active { color: var(--gruen-dunkel); background: var(--gruen-hauch); }

/* Dropdown-Pfeil */
.nav-link.has-dropdown::after {
  content: '▾';
  font-size: 0.7rem;
  margin-left: 0.3rem;
  transition: transform var(--transition);
  display: inline-block;
}

.nav-menu > li:hover .nav-link.has-dropdown::after { transform: rotate(180deg); }

/* ── Dropdown ── */
.dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--weiss);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-l);
  border: 1px solid var(--gruen-hauch);
  min-width: 240px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  pointer-events: none;
  z-index: 100;
}

.nav-menu > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px; height: 12px;
  background: var(--weiss);
  border-top: 1px solid var(--gruen-hauch);
  border-left: 1px solid var(--gruen-hauch);
  transform: translateX(-50%) rotate(45deg);
}

/* Unsichtbare "Brücke": füllt die 0.5rem-Lücke zwischen Button und Menü,
   damit der Hover beim Herunterfahren der Maus nicht abreisst. */
.dropdown::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -0.5rem;
  height: 0.5rem;
  background: transparent;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  color: var(--text-mittel);
  transition: all var(--transition);
  text-decoration: none;
}

.dropdown-item:not(:last-child) {
  border-bottom: 1px solid var(--gruen-hauch);
}

.dropdown-item:hover {
  background: var(--gruen-hauch);
  color: var(--gruen-dunkel);
}

.dropdown-item .dropdown-icon {
  width: 32px; height: 32px;
  background: var(--gruen-hauch);
  border-radius: var(--radius-s);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background var(--transition);
}

.dropdown-item:hover .dropdown-icon { background: var(--gruen-zart); }

.dropdown-item-text { display: flex; flex-direction: column; align-items: center; text-align: center; }
.dropdown-item-text strong { font-weight: 500; font-size: 0.88rem; color: var(--text-dunkel); }
.dropdown-item-text span { font-size: 0.75rem; color: var(--text-hell); }

.dropdown-divider { height: 1px; background: var(--gruen-hauch); margin: 0.4rem 0.5rem; }

/* ── CTA Button ── */
.nav-cta {
  margin-left: 0.5rem;
  padding: 0.6rem 1.5rem !important;
  background: rgba(255,255,255,0.15) !important;
  border: 1px solid rgba(255,255,255,0.4) !important;
  color: var(--weiss) !important;
  border-radius: 50px !important;
}

.nav-cta:hover {
  background: var(--weiss) !important;
  color: var(--gruen-dunkel) !important;
}

#navbar.scrolled .nav-cta {
  background: var(--gruen-dunkel) !important;
  border-color: var(--gruen-dunkel) !important;
  color: var(--weiss) !important;
}

#navbar.scrolled .nav-cta:hover {
  background: var(--gruen-mittel) !important;
  border-color: var(--gruen-mittel) !important;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--weiss);
  border-radius: 2px;
  transition: all var(--transition);
}

#navbar.scrolled .hamburger span { background: var(--gruen-dunkel); }

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile ── */
@media (max-width: 900px) {
  .hamburger { display: flex; }

  /* backdrop-filter macht #navbar zum Containing Block für das fixe
     .nav-menu und quetscht es auf Navbar-Höhe zusammen – daher mobil aus */
  #navbar.scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.98);
  }

  .nav-menu {
    position: fixed;
    top: 80px; left: 0; right: 0; bottom: 0;
    background: var(--weiss);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 0;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-menu.open { transform: translateX(0); }

  .nav-menu > li { width: 100%; }

  .nav-link {
    color: var(--text-dunkel) !important;
    background: none !important;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--gruen-hauch);
    border-radius: 0;
    width: 100%;
    text-align: left;
    font-size: 1rem;
  }

  .dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--gruen-hauch);
    border-radius: var(--radius-s);
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    display: none;
    margin: 0.25rem 0 0.5rem;
  }

  .dropdown::before { display: none; }

  .nav-menu > li.open .dropdown { display: block; }

  /* Desktop-Hover-Transform mobil neutralisieren – sonst verschiebt sich
     das offene Dropdown beim Überfahren nach links (translateX(-50%)). */
  .nav-menu > li:hover .dropdown { transform: none; }

  .nav-cta {
    margin: 1rem 0 0;
    background: var(--gruen-dunkel) !important;
    border-color: var(--gruen-dunkel) !important;
    color: var(--weiss) !important;
    border-radius: 50px !important;
    text-align: center;
    justify-content: center;
  }
}