/* header.css - Zeus Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  padding: 12px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(157, 80, 255, 0.2);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #6e2cf2);
  border-radius: 10px;
  display: grid; place-items: center;
  box-shadow: 0 0 15px var(--primary-glow);
}

.logo-text { font-size: 1.25rem; font-weight: 800; color: white; letter-spacing: -0.5px; }
.logo-text span { color: var(--primary); }

/* Desktop Navigation */
.nav-desktop { display: none; gap: 32px; }

@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
}

.nav-link { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; }
.nav-link:hover { color: var(--primary); }

/* Auth Actions */
.header-auth { display: flex; align-items: center; gap: 15px; }

.login-btn { color: white; font-weight: 600; font-size: 0.95rem; display: none; }
@media (min-width: 768px) { .login-btn { display: block; } }

.signup-btn {
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Hamburger - Hidden on Desktop */
.hamburger {
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  color: white;
}

@media (min-width: 1024px) {
  .hamburger { display: none !important; }
}

/* Mobile Navigation Dropdown */
.nav-mobile {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(157, 80, 255, 0.2);
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 20px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-15px);
  transition: var(--transition);
}

.nav-mobile.open {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.mobile-link { color: white; font-size: 1.1rem; font-weight: 600; }
.nav-divider { border: 0; border-top: 1px solid rgba(157, 80, 255, 0.2); }
.mobile-signup {
  background: var(--primary);
  color: white;
  padding: 16px;
  border-radius: 14px;
  text-align: center;
  font-weight: 700;
}