/* Header Styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(11, 15, 40, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.logo h2 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: 0;
  font-size: 1.8rem;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-menu li a {
  color: var(--text-light);
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu li a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-speed) ease;
}

.nav-menu li a:hover:after,
.nav-menu li a.active:after {
  width: 100%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--primary-color);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
}

.menu-toggle .bar {
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(11, 15, 40, 0.95);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    padding: 2rem 0;
    gap: 2rem;
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li a {
    font-size: 1.2rem;
  }
}