/* ===================================
   Navigation Styles
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
}

.logo a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo a:hover {
  opacity: 0.8;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 4px;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.menu-toggle.active .hamburger-line {
  background-color: var(--color-primary);
}

.menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  margin: 0;
  padding: 0;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-base);
  display: block;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Active link styling */
.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-links a.active::after {
  width: 100%;
  background: var(--color-primary);
}

/* ===================================
   Mobile Navigation
   =================================== */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    right: 0;
    width: 100%;
    max-width: 300px;
    height: calc(100vh - 70px);
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-lg);
    border-left: 1px solid var(--color-border);
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links a.active {
    color: var(--color-primary);
    font-weight: 700;
    background: rgba(var(--color-primary-rgb), 0.1);
    padding-left: var(--space-md);
    margin-left: calc(-1 * var(--space-md));
    border-left: 3px solid var(--color-primary);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--space-md);
  }

  .nav-links {
    padding: var(--space-lg);
  }
}

/* ===================================
   Dropdown Menu Styles
   =================================== */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.dropdown-toggle:hover {
  color: var(--color-primary) !important;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  min-width: 200px;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  list-style: none;
}

.nav-dropdown.show .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
}

.dropdown-menu a:hover {
  background-color: var(--color-background-light);
  color: var(--color-primary);
  transform: translateX(5px);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
  border: none;
}

.btn-signup {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.3);
  color: white !important;
}

/* Mobile dropdown adjustments */
@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    margin-top: 0;
    padding: 0;
  }
  
  .nav-dropdown.show .dropdown-menu {
    display: block;
  }
  
  .dropdown-menu {
    display: none;
  }
  
  .dropdown-menu a {
    padding: 0.5rem 0;
    padding-left: 1rem;
    border-bottom: 1px solid var(--color-border);
  }
  
  .dropdown-toggle {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
  }
}