/* ==========================================================================
   🏛️ NILE RIVER TRAVEL — LUXURY DESIGN SYSTEM TOKENS & ATOMIC STYLES
   ========================================================================== */

:root {
  /* Royal Color Palette */
  --nile: #122544;
  --nile-dark: #0A1628;
  --nile-light: #1A3460;
  --gold-accent: #E9C57E;
  --gold-hover: #D4B06A;
  --papyrus: #F4EEDE;
  --papyrus-deep: #EAE0C4;
  --card: #FFFFFF;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --border-light: rgba(18, 37, 68, 0.08);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(18, 37, 68, 0.04);
  --shadow-md: 0 10px 25px rgba(18, 37, 68, 0.08);
  --shadow-lg: 0 20px 40px rgba(18, 37, 68, 0.12);

  /* Typography */
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Manrope', 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Global Typography & Base Elements */
body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: #FAFAFA;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif) !important;
  letter-spacing: -0.01em;
}

/* Royal Pharaohs Accent */
h1 em, h2 em, h3 em, h4 em, .font-serif em, .pharaohs {
  font-family: var(--font-serif) !important;
  font-style: italic;
  font-weight: 400;
  color: var(--gold-accent);
  padding: 0 4px;
}

/* Color & Utility Classes */
.text-nile { color: var(--nile) !important; }
.text-gold { color: var(--gold-accent) !important; }
.gold-accent { color: var(--gold-accent) !important; }
.bg-nile { background-color: var(--nile) !important; }
.bg-nile-dark { background-color: var(--nile-dark) !important; }
.bg-papyrus { background-color: var(--papyrus) !important; }
.bg-papyrus-deep { background-color: var(--papyrus-deep) !important; }

/* Buttons */
.btn-gold {
  background: linear-gradient(135deg, #E9C57E 0%, #D4B06A 100%);
  color: #0A1628 !important;
  font-weight: 700;
  border: none;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 14px;
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(233, 197, 126, 0.25);
  text-decoration: none;
  cursor: pointer;
}

.btn-gold:hover {
  background: linear-gradient(135deg, #F0D291 0%, #E0BC75 100%);
  color: #0A1628 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(233, 197, 126, 0.4);
}

/* Header Specific Compact Actions */
.btn-header-plan {
  height: 38px !important;
  min-height: 38px !important;
  max-height: 38px !important;
  padding: 0 18px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.3px;
  white-space: nowrap !important;
  border-radius: 50px !important;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: linear-gradient(135deg, #E9C57E 0%, #D4B06A 100%) !important;
  color: #0A1628 !important;
  box-shadow: 0 2px 10px rgba(233, 197, 126, 0.25);
  text-decoration: none;
  border: none;
  cursor: pointer;
  line-height: 1 !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 991.98px) {
  .btn-header-plan {
    display: none !important;
  }
}

@media (min-width: 992px) {
  .btn-header-plan {
    display: inline-flex !important;
  }
}

.btn-header-plan:hover {
  background: linear-gradient(135deg, #F0D291 0%, #E0BC75 100%) !important;
  color: #0A1628 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(233, 197, 126, 0.4);
}

.btn-whatsapp-header {
  height: 38px !important;
  min-height: 38px !important;
  max-height: 38px !important;
  padding: 0 16px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  white-space: nowrap !important;
  border-radius: 50px !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: rgba(37, 211, 102, 0.12) !important;
  color: #25D366 !important;
  border: 1px solid rgba(37, 211, 102, 0.35) !important;
  text-decoration: none;
  line-height: 1 !important;
  transition: all 0.25s ease;
}

.btn-whatsapp-header:hover {
  background: #25D366 !important;
  color: #FFFFFF !important;
  border-color: #25D366 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

@media (max-width: 575.98px) {
  .nrt-logo-img {
    height: 36px !important;
    max-width: 130px !important;
  }
  .btn-whatsapp-header {
    height: 34px !important;
    min-height: 34px !important;
    max-height: 34px !important;
    padding: 0 12px !important;
    font-size: 12px !important;
    gap: 6px !important;
  }
  .nrt-mobile-toggle {
    font-size: 22px !important;
    padding: 4px 8px !important;
  }
  .nrt-header-inner {
    padding: 10px 0 !important;
  }
}

/* WhatsApp Pulse Animation */
.whatsapp-pulse-dot {
  width: 9px;
  height: 9px;
  background-color: #25D366;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.whatsapp-pulse-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: nrtPulse 1.8s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes nrtPulse {
  0% { transform: scale(0.9); opacity: 0.9; }
  70% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* ==========================================================================
   👑 STICKY LUXURY HEADER & NAVIGATION
   ========================================================================== */
.nrt-header-sticky {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(18, 37, 68, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(233, 197, 126, 0.22);
  box-shadow: 0 4px 20px rgba(10, 22, 40, 0.15);
  transition: all 0.3s ease;
}

.nrt-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

/* Nav Links */
.nrt-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.nrt-nav-link {
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: 6px;
  text-decoration: none;
  position: relative;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.nrt-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--gold-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nrt-nav-link:hover::after,
.nrt-nav-link.active::after {
  transform: scaleX(1);
}

/* Offcanvas Drawer for Mobile & Tablet */
.nrt-offcanvas {
  background: linear-gradient(180deg, #122544 0%, #0A1628 100%) !important;
  color: #FFFFFF !important;
  width: 320px !important;
  max-width: 85vw !important;
  border-left: 1px solid rgba(233, 197, 126, 0.25) !important;
}

.nrt-offcanvas .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.nrt-offcanvas-link {
  color: #E2E8F0 !important;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nrt-offcanvas-link:hover,
.nrt-offcanvas-link.active {
  color: var(--gold-accent) !important;
  background: rgba(233, 197, 126, 0.08);
  padding-left: 20px;
}

/* Responsive Desktop / Mobile Navigation Switcher */
@media (max-width: 1199.98px) {
  .nrt-desktop-nav {
    display: none !important;
  }
  .nrt-mobile-toggle {
    display: inline-flex !important;
  }
}

@media (min-width: 1200px) {
  .nrt-desktop-nav {
    display: flex !important;
  }
  .nrt-mobile-toggle {
    display: none !important;
  }
}

/* Universal Luxury Form Inputs & Controls */
.nrt-input-control,
.form-control.nrt-search-input,
.nrt-search-input {
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 10px !important;
  background-color: #F8FAFC !important;
  color: #1E293B !important;
  box-shadow: inset 0 1px 2px rgba(18, 37, 68, 0.04) !important;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease !important;
}

.nrt-input-control:hover,
.nrt-search-input:hover {
  border-color: #94A3B8 !important;
  background-color: #FFFFFF !important;
}

.nrt-input-control:focus,
.nrt-search-input:focus {
  border-color: var(--gold-accent) !important;
  background-color: #FFFFFF !important;
  box-shadow: 0 0 0 3.5px rgba(233, 197, 126, 0.35) !important;
  outline: none !important;
}