/* --- A Celestial Voyage: navbar.css --- */

:root {
  --navbar-height: 80px;
  --navbar-blur: 12px;
  --link-hover-bg: rgba(139, 92, 246, 0.1);
  --navbar-border: rgba(148, 163, 184, 0.15);
  --navbar-bg: rgba(12, 14, 29, 0.6);
  --navbar-bg-scrolled: rgba(12, 14, 29, 0.85);
  --dropdown-bg: rgba(18, 20, 40, 0.95);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--navbar-bg);
  -webkit-backdrop-filter: blur(var(--navbar-blur));
  backdrop-filter: blur(var(--navbar-blur));
  border-bottom: 1px solid var(--navbar-border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  transition: background-color 0.4s ease, height 0.4s ease;
}

/* Starfield Background */
.navbar::before {
  content: "";
  position: absolute;
  inset: 0; /* A shorthand for top, right, bottom, left = 0 */
  z-index: -1;
  background-image:
    radial-gradient(1px 1px at 10vw 2vh, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1.5px 1.5px at 25vw 7vh, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 40vw 4vh, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1.5px 1.5px at 65vw 6vh, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 85vw 3vh, rgba(255, 255, 255, 0.8), transparent);
  background-repeat: no-repeat;
  background-size: cover;
}

.navbar.scrolled {
  background-color: var(--navbar-bg-scrolled);
  height: 70px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* Logo */
.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.logo-img {
  height: 40px;
  transition: transform 0.4s ease;
}
.logo-container:hover .logo-img { transform: rotate(15deg); }
.logo-text-main {
  font-family: var(--font-display-impact);
  font-size: 1.5rem;
  color: var(--color-text-primary);
}
.logo-text-sub {
  font-family: var(--font-sans-quirky);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Menu & Links */
.navbar__menu {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.navbar__item { position: relative; }
.navbar__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.3s ease;
}
.navbar__link:hover { color: var(--color-text-primary); }
.navbar__link::before {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 80%);
  border-radius: 2px;
  opacity: 0;
  transition: width 0.4s ease, opacity 0.3s ease;
}
.navbar__link:hover::before {
  width: 80%;
  opacity: 1;
}

/* Dropdown Menu */
.dropdown__menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  transform: translateY(10px);
  background-color: var(--dropdown-bg);
  -webkit-backdrop-filter: blur(var(--navbar-blur));
  backdrop-filter: blur(var(--navbar-blur));
  min-width: 220px;
  padding: 0.5rem;
  list-style: none;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--navbar-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.navbar__item:hover > .dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown__menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
}
.dropdown__menu a:hover {
  background-color: var(--link-hover-bg);
  color: var(--color-text-primary);
  padding-left: 1.25rem;
}

/* Join Us Button */
.button-join-us { transition: color 0.3s ease; }
.button-join-us:hover { color: var(--color-text-primary); }
.button-join-us::before { display: none; }

/* Mobile Toggle */
.navbar__toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
  width: 30px;
  height: 24px;
  position: relative;
}
.bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.bar:nth-child(1) { top: 0; }
.bar:nth-child(2) { top: 50%; transform: translateY(-50%); }
.bar:nth-child(3) { bottom: 0; }
.navbar__toggle.active .bar:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.navbar__toggle.active .bar:nth-child(2) { opacity: 0; }
.navbar__toggle.active .bar:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

/* Responsive Design */
@media (max-width: 768px) {
  .navbar { padding: 0 1.5rem; height: 70px; }
  .navbar.scrolled { height: 60px; }
  .navbar__toggle { display: block; }
  .navbar__menu {
    position: fixed;
    top: 0;
    right: -100%; /* Changed from right: -100% for GSAP control */
    width: min(80vw, 300px);
    height: 100vh;
    padding: 80px 1.5rem 2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    background-color: var(--dropdown-bg);
    transition: right 0.4s ease; /* Fallback if JS fails */
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
  }
  .navbar__menu.active { right: 0; }
  .navbar__item { width: 100%; }
  .dropdown__menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    /* transition is now handled by GSAP in navbar.js */
  }
  .navbar__item.dropdown > .navbar__link {
    display: flex;
    justify-content: space-between;
  }
  .navbar__item.dropdown > .navbar__link::after {
    content: "›";
    font-size: 1.5rem;
    transform: rotate(90deg);
    transition: transform 0.3s ease;
  }
  .navbar__item.dropdown.active > .navbar__link::after {
    transform: rotate(-90deg);
  }
}