/* ==========================================================================
   Navbar & Header Styles
   Optimized for High-Performance Mobile & Desktop UX
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-smooth);
  background: var(--bg-dark-green);
  border-bottom: 1px solid var(--glass-border);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.site-header.scrolled {
  background: var(--glass-dark);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

/* Top Info Bar */
.top-bar {
  background: var(--bg-dark-emerald);
  color: var(--text-on-dark);
  padding: 0.4rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(201, 151, 58, 0.2);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted-dark);
}

.top-info-item svg {
  color: var(--color-gold);
}

.top-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Navbar Container */
.site-header .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  padding-left: 2rem !important;
  padding-right: 2rem !important;
  max-width: 100% !important;
  width: 100% !important;
  margin: 0 auto;
  box-sizing: border-box;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-gold);
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1.15;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.68rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  white-space: nowrap;
}

/* Navigation Links (Desktop) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-on-dark);
  position: relative;
  padding: 0.25rem 0;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

/* Right Section - Desktop CTA */
.nav-right {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-btn {
  padding: 0.6rem 1.35rem;
  font-size: 0.88rem;
  white-space: nowrap;
  border-radius: var(--radius-full);
}

/* Mobile Controls - Hidden on Desktop */
.nav-right-mobile {
  display: none;
}

.mobile-only-action {
  display: none;
}

/* Animated 3-Bar Gold Hamburger Button */
.hamburger-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(201, 151, 58, 0.4);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  padding: 10px 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  z-index: 120;
  position: relative;
  transition: all 0.25s ease;
  flex-shrink: 0;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.hamburger-btn:hover,
.hamburger-btn:focus-visible {
  border-color: var(--color-gold);
  background: rgba(201, 151, 58, 0.12);
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2.2px;
  background-color: var(--color-gold);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, background-color 0.2s ease;
  transform-origin: center;
}

/* Morph to '✕' when menu is active */
.hamburger-btn.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--color-gold-light);
}

.hamburger-btn.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger-btn.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--color-gold-light);
}

/* Mobile Drawer Backdrop Overlay */
.nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 20, 14, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 108;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Intermediate Screen Scaling (1140px to 1320px) */
@media (min-width: 1140px) and (max-width: 1320px) {
  .site-header .nav-container {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
  }

  .nav-menu {
    gap: 0.95rem;
  }

  .nav-link {
    font-size: 0.83rem;
  }

  .brand-subtitle {
    font-size: 0.58rem;
    letter-spacing: 0.4px;
    display: block;
  }

  .nav-btn {
    padding: 0.5rem 1.1rem;
    font-size: 0.82rem;
  }
}

/* Mobile & Tablet Responsive Breakdown (< 1140px) */
@media (max-width: 1139px) {
  .site-header .nav-container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    gap: 0.5rem;
  }

  .nav-right {
    display: none;
  }

  .nav-right-mobile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
  }

  .nav-btn-mobile {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.48rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--bg-dark-emerald);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-gold-light);
    box-shadow: 0 2px 10px rgba(201, 151, 58, 0.25);
    white-space: nowrap;
    text-decoration: none;
    flex-shrink: 0;
  }

  .nav-btn-mobile i,
  .nav-btn-mobile svg {
    width: 15px;
    height: 15px;
  }

  .hamburger-btn {
    display: flex;
  }

  /* GPU-Accelerated Mobile Drawer (Zero Layout Reflows) */
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 82%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-dark-green);
    flex-direction: column;
    align-items: stretch;
    padding: 5rem 1.5rem 2rem 1.5rem;
    gap: 1.1rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.6);
    border-left: 2px solid var(--color-gold);
    overflow-y: auto;
    z-index: 110;
    transform: translate3d(100%, 0, 0);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    -webkit-overflow-scrolling: touch;
  }

  .nav-menu.open {
    transform: translate3d(0, 0, 0);
  }

  .nav-menu .nav-link {
    font-size: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: block;
    width: 100%;
  }

  .mobile-only-action {
    display: block;
    width: 100%;
    margin-top: 0.5rem;
  }

  .nav-phone-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-gold-light);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.75rem 1rem;
    background: rgba(201, 151, 58, 0.15);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gold);
    width: 100%;
    text-decoration: none;
  }
}

/* Mobile Screen Tuning (< 576px) */
@media (max-width: 576px) {
  .brand-logo {
    gap: 0.5rem;
    min-width: 0;
    flex-shrink: 1;
  }

  .brand-logo img {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .brand-subtitle {
    font-size: 0.54rem;
    letter-spacing: 0.2px;
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .nav-btn-mobile {
    padding: 0.42rem 0.7rem;
    font-size: 0.78rem;
  }
}

/* Ultra-Compact Screens (< 380px e.g. iPhone SE, Galaxy Fold) */
@media (max-width: 380px) {
  .brand-logo img {
    width: 36px;
    height: 36px;
  }

  .brand-title {
    font-size: 0.95rem;
  }

  .brand-subtitle {
    display: none; /* Hide subtitle to give ample room to buttons on tiny screens */
  }

  .nav-btn-mobile span.full-text {
    display: none;
  }

  .nav-btn-mobile span.short-text {
    display: inline;
  }
}

/* Sticky Mobile Quick Action Bar (Call | WhatsApp | Book) */
.mobile-bottom-bar {
  display: none;
}

@media (max-width: 767px) {
  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(18, 38, 26, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(201, 151, 58, 0.35);
    z-index: 95;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
    align-items: center;
    justify-content: space-around;
    padding: 0 0.5rem;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .mobile-bottom-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--text-on-dark);
    font-size: 0.72rem;
    font-weight: 500;
    text-decoration: none;
    padding: 6px 0;
    transition: var(--transition-fast);
  }

  .mobile-bottom-item i,
  .mobile-bottom-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-gold);
  }

  .mobile-bottom-item.highlight {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--bg-dark-emerald);
    border-radius: var(--radius-sm);
    font-weight: 700;
    margin: 4px;
    padding: 6px 8px;
    box-shadow: 0 2px 10px rgba(201, 151, 58, 0.3);
  }

  .mobile-bottom-item.highlight i,
  .mobile-bottom-item.highlight svg {
    color: var(--bg-dark-emerald);
  }

  /* Prevent content hiding behind bottom bar */
  body {
    padding-bottom: 58px;
  }

  /* Adjust floating WhatsApp button above the bottom bar */
  .whatsapp-float {
    bottom: 68px !important;
    right: 16px !important;
  }
}