/* =====================================================
   NAVIGATION BAR - PREMIUM STYLE
   ===================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.98);
  box-shadow: var(--shadow-lg);
  border-bottom-color: rgba(245, 158, 11, 0.3);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =================== LOGO =================== */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white-pure);
  text-decoration: none;
  transition: var(--transition-normal);
}

.navbar-logo:hover {
  color: var(--gold-primary);
  transform: scale(1.05);
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

/* =================== NAV LINKS =================== */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar-link {
  color: var(--gray-light);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-normal);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-gold);
  transition: width var(--transition-normal);
}

.navbar-link:hover {
  color: var(--white-pure);
}

.navbar-link:hover::after {
  width: 100%;
}

.navbar-link.active {
  color: var(--gold-primary);
}

.navbar-link.active::after {
  width: 100%;
}

/* =================== LANGUAGE SELECTOR =================== */
.language-selector {
  position: relative;
  display: inline-block;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
  color: var(--white-pure);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
}

.language-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(245, 158, 11, 0.5);
}

.language-flag {
  font-size: 1.2rem;
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 180px;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  z-index: 1001;
}

.language-selector.open .language-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--gray-light);
  cursor: pointer;
  transition: var(--transition-fast);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.language-option:last-child {
  border-bottom: none;
}

.language-option:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--white-pure);
}

.language-option.active {
  background: rgba(245, 158, 11, 0.1);
  color: var(--gold-primary);
}

/* =================== AUTH BUTTONS =================== */
.navbar-auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-login {
  padding: 0.625rem 1.5rem;
  background: transparent;
  border: 1px solid var(--blue-electric);
  color: var(--white-pure);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-normal);
}

.btn-login:hover {
  background: var(--gradient-blue);
  border-color: transparent;
  box-shadow: var(--shadow-glow-blue);
}

.btn-signup {
  padding: 0.625rem 1.5rem;
  background: var(--gradient-gold);
  color: var(--navy-deep);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-normal);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-gold);
}

/* =================== MOBILE MENU =================== */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white-pure);
  border-radius: 2px;
  transition: var(--transition-normal);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* =================== RESPONSIVE =================== */
@media (max-width: 968px) {
  .navbar-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    transition: left var(--transition-normal);
  }

  .navbar-menu.active {
    left: 0;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-auth {
    flex-direction: column;
    width: 100%;
  }

  .btn-login,
  .btn-signup {
    width: 100%;
    justify-content: center;
  }

  .language-selector {
    width: 100%;
  }

  .language-btn {
    width: 100%;
    justify-content: space-between;
  }

  .language-dropdown {
    position: relative;
    top: 0.5rem;
    width: 100%;
  }
}