header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: top 0.3s ease;
}
.home-active header {
  position: relative;
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
.logo a {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}
.logo span {
  color: var(--primary);
}
nav ul {
  display: flex;
  gap: 40px;
  align-items: center; 
}
nav ul li a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}
nav ul li a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}
nav ul li a:hover,
nav ul li a.active {
  color: var(--primary);
  text-shadow: 0 0 5px var(--glow-color);
}
nav ul li a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  font-size: 0.9rem;
  margin-left: 10px;
}
.nav-cta:hover {
  color: var(--text-primary); 
}
.nav-cta::after {
  display: none; 
}

.hamburger {
  display: none;
}