/* ==========================================================================
   Navbar — Dark floating navigation with gold accents
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background-color: transparent;
  transition: var(--transition), padding var(--duration) var(--ease-out), backdrop-filter var(--duration) var(--ease-out);
  opacity: 0;
  transform: translateY(-10px);
  animation: navFadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s forwards;
}

@keyframes navFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar--scrolled {
  background-color: rgba(var(--color-bg-deep-rgb), 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(var(--color-sage-rgb), 0.1),
              0 4px 20px rgba(0, 0, 0, 0.3);
  padding: 12px 0;
}

.navbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Logo ---- */
.navbar__logo img {
  height: 42px;
  width: auto;
  transition: height var(--duration-fast) var(--ease-out);
}

.navbar--scrolled .navbar__logo img {
  height: 36px;
}

/* ---- Desktop Navigation Links ---- */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.navbar__links a {
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  transition: var(--transition-fast);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-gold);
  transition: width var(--duration) var(--ease-out);
}

.navbar__links a:hover {
  color: var(--color-gold);
}

.navbar__links a:hover::after {
  width: 100%;
}

/* ---- Nav CTA Button ---- */
.navbar__links .btn--nav {
  padding: 10px 24px;
  font-size: 0.82rem;
  color: var(--color-bg-deep);
  border-radius: 100px;
}

.navbar__links .btn--nav::after {
  display: none;
}

.navbar__links .btn--nav:hover {
  color: var(--color-bg-deep);
}

/* ---- Hamburger Button ---- */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 1001;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center center;
}

/* Hamburger -> X animation */
.navbar__hamburger--active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.navbar__hamburger--active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger--active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ---- Mobile Menu (Fullscreen Overlay) ---- */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  background-color: var(--color-bg-deep);
  padding: 0;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0.4s;
  z-index: 999;
}

.navbar__mobile-menu--open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.navbar__mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  gap: 8px;
  padding: 80px 24px 120px;
}

.navbar__mobile-menu a {
  display: block;
  padding: 16px 32px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.01em;
  transition: color 0.3s ease, transform 0.3s ease;
  border-bottom: none;
}

.navbar__mobile-menu li:last-child a {
  border-bottom: none;
}

.navbar__mobile-menu a:hover,
.navbar__mobile-menu a:active {
  color: var(--color-gold);
  transform: scale(1.05);
}

/* Stagger animation for menu items */
.navbar__mobile-menu--open li {
  animation: menuItemFadeIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  opacity: 0;
  transform: translateY(20px);
}

.navbar__mobile-menu--open li:nth-child(1) { animation-delay: 0.05s; }
.navbar__mobile-menu--open li:nth-child(2) { animation-delay: 0.1s; }
.navbar__mobile-menu--open li:nth-child(3) { animation-delay: 0.15s; }
.navbar__mobile-menu--open li:nth-child(4) { animation-delay: 0.2s; }
.navbar__mobile-menu--open li:nth-child(5) { animation-delay: 0.25s; }
.navbar__mobile-menu--open li:nth-child(6) { animation-delay: 0.3s; }

@keyframes menuItemFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CTA — "Termin buchen" als btn--primary Banner unterhalb der Links */
.navbar__mobile-menu li:last-child {
  margin-top: 24px;
  width: 100%;
  max-width: 280px;
  animation-delay: 0.35s;
}

.navbar__mobile-menu li:last-child a {
  display: block;
  padding: 18px 48px;
  background-color: var(--color-gold);
  color: var(--color-bg-deep);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1.5px solid var(--color-gold);
  border-radius: 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.navbar__mobile-menu li:last-child a::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: translateX(-170%);
  transition: transform 0.6s var(--ease-out);
  pointer-events: none;
}

.navbar__mobile-menu li:last-child a:hover::after {
  transform: translateX(280%);
}

.navbar__mobile-menu li:last-child a:hover,
.navbar__mobile-menu li:last-child a:active {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
  color: var(--color-bg-deep);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--color-gold-glow),
              0 2px 8px rgba(var(--color-gold-rgb), 0.2),
              0 0 20px rgba(var(--color-gold-rgb), 0.1);
}

/* Reset button styling for CTA links inside mobile menu */
.navbar__mobile-menu a.btn {
  display: block;
  padding: 16px 32px;
  background: none;
  border: none;
  border-radius: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: normal;
  border-bottom: none;
  box-shadow: none;
}

.navbar__mobile-menu a.btn:hover {
  background: none;
  color: var(--color-gold);
  transform: scale(1.05);
  box-shadow: none;
}

.navbar__mobile-menu a.btn::after {
  display: none;
}

/* ---- Focus Visible ---- */
.navbar__hamburger:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.navbar__links a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.navbar__mobile-menu a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__mobile-menu {
    display: block;
  }
}