/* ./css/header.css */

/* Floating Navigation */
header#navbar {
  position: fixed;
  top: 2rem;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  transition: all 0.3s ease;
}

.nav-content {
  background: rgba(15, 7, 32, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  min-width: 650px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-main);
  letter-spacing: -0.05em;
}

header nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

header nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
  border-radius: 2px;
}

header nav ul li a:hover,
header nav ul li a.active {
  color: var(--text-main);
}

header nav ul li a:hover::after,
header nav ul li a.active::after {
  width: 100%;
}

/* Header Actions (Buttons) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn, .lang-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.icon-btn:hover, .lang-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

#menu-toggle {
    display: none;
}

.nav-icon {
  width: 20px;
  height: 20px;
  stroke: var(--text-main); /* Use CSS variable for color */
  fill: none;
}

/* In light mode, we might need to invert back or handle colors. 
   Global.css handles body.light-mode .nav-icon { filter: none; } 
   Let's ensure that works. */

.lang-text {
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-heading);
}

/* Responsive */
@media (max-width: 768px) {
  header#navbar {
    top: 0;
    padding: 1rem;
  }
  
  .nav-content {
    padding: 0.75rem 1.5rem;
    width: 100%;
    min-width: 300px;
    justify-content: center; /* Center Logo and Actions */
    position: relative; /* For absolute positioning of menu button */
  }

  .logo {
    padding-right: 1rem;
  }

  /* Hamburger Menu Button */
  #menu-toggle {
    display: flex;
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
  }
  
  /* Mobile Menu (Dropdown) */
  header nav {
      display: none; /* Hidden by default */
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background: rgba(15, 7, 32, 0.98);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      padding: 1.5rem;
      border-radius: 0 0 20px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 10px 30px rgba(0,0,0,0.3);
      z-index: 999;
      margin-top: 10px;
      animation: slideDown 0.3s ease forwards;
  }

  header nav.active {
      display: block;
  }
  
  header nav ul {
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
  }
  
  header nav ul li a {
      font-size: 1.1rem;
      display: block;
      width: 100%;
      text-align: center;
  }
  
  header#navbar .logo {
      font-size: 1.2rem;
      margin-right: 0.5rem;
  }

  .nav-actions {
      gap: 0.5rem;
  }
  
  @keyframes slideDown {
      from { opacity: 0; transform: translateY(-10px); }
      to { opacity: 1; transform: translateY(0); }
  }
}