body {
  font-family: 'Nunito Sans', sans-serif;
  background-color: #000000; /* Mykonos Dark Base */
  color: #ffffff; /* White Text */
  -ms-overflow-style: none;
  scrollbar-width: none;
}

body::-webkit-scrollbar {
  display: none;
}

/* --- Sticky/Scrolled Navbar (Dark Theme) --- */
header {
  transition: all 0.3s ease-in-out;
}

/* When scrolled: Deep Black/Blue background with blur */
header.scrolled {
  background-color: rgba(0, 0, 0, 0.85); 
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #1e293b; /* slate-800 */
}

/* --- Navigation Links --- */
/* Default State (Hero) */
.nav-item a {
  color: #e2e8f0; /* slate-200 */
}
.nav-item a:hover {
  color: #60a5fa; /* blue-400 (Lighter blue for dark mode visibility) */
}

/* Scrolled State */
header.scrolled .nav-item a {
  color: #e2e8f0; /* Keep light text */
}
header.scrolled .nav-item a:hover {
  color: #60a5fa; 
}

/* Logo */
header .logo a { 
  color: #ffffff;
}
header.scrolled .logo a { 
  color: #60a5fa; /* Mykonos Blue accent */
}

/* --- Dropdowns (Dark Theme) --- */
.dropdown {
  position: relative;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #0f172a; /* slate-900 */
  border: 1px solid #1e293b; /* slate-800 */
  border-radius: 0 0 8px 8px;
  min-width: 240px;
  z-index: 50;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease-out;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

.dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

header .nav-item .dropdown-menu a {
  display: block;
  padding: 12px 20px;
  color: #cbd5e1; /* slate-300 */
  transition: all 0.2s ease-out;
}

header .nav-item .dropdown-menu a:hover {
  background-color: #1e293b; /* slate-800 */
  color: #60a5fa; /* blue-400 */
}

/* --- Hamburger Menu (Dark Theme) --- */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  z-index: 100;
}
.menu-toggle span {
  background: #ffffff;
  border-radius: 2px;
  display: block;
  height: 3px;
  margin: 4px 0;
  transition: all 0.3s ease;
  width: 25px;
}
header.scrolled .menu-toggle span {
  background: #ffffff; /* Keep white on dark scroll */
}
.menu-toggle.open span:nth-child(1) {
  transform: rotate(-45deg) translate(-6px, 6px);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: rotate(45deg) translate(-6px, -6px);
}
.nav-menu {
  display: flex;
  align-items: center;
}

/* Mobile Menu */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: #0f172a; /* slate-900 */
    border-bottom: 1px solid #1e293b;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu .nav-item {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #1e293b;
  }
  .nav-menu .nav-item a {
    display: block;
    padding: 16px;
    color: #e2e8f0;
  }
  .dropdown-menu {
    position: relative;
    border: none;
    width: 100%;
    background-color: #1e293b; /* Slightly lighter for contrast */
    opacity: 1;
    transform: none;
    display: block;
  }
  .dropdown-menu a {
    padding: 12px 20px 12px 40px;
    text-align: left;
  }
  .dropdown > a {
    display: none;
  }
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.celeraq-logo {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(to right, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 8px rgba(96, 165, 250, 0.15));
}