/* Navigation Styles */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  border-bottom: 1px solid var(--gray-200);
}

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

/* Brand/Logo */
.nav-brand {
  flex-shrink: 0;
}

.brand-link {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.brand-link:hover {
  color: var(--primary-light);
}

.brand-logo {
  height: 100px;
  width: auto;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo {
  transform: scale(1.05);
}

.brand-text {
  font-family: var(--font-family-primary);
}

/* Mobile Toggle Button */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  width: 32px;
  height: 32px;
  justify-content: space-between;
  align-items: center;
  transition: transform var(--transition-fast);
}

.nav-toggle:hover {
  transform: scale(1.05);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  transition: all var(--transition-fast);
  transform-origin: center;
}

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

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

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--gray-100);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-full);
}

/* Navigation Buttons */
.nav-buttons {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-secondary:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Styles */
@media (max-width: 991px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-dropdown);
  }

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

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
    border-radius: var(--border-radius-lg);
    justify-content: center;
  }
  
  .nav-buttons {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
  }

  .btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
  }
}

@media (max-width: 575px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
  }

  .brand-logo {
    height: 40px;
  }
  
  .brand-link {
    font-size: var(--font-size-lg);
    gap: var(--spacing-xs);
  }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 991px) {
  .nav-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .btn {
    width: auto;
    min-width: 120px;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    height: 50px;
  }
  
  .brand-text {
    font-size: var(--font-size-base);
  }
}

/* Additional Styles for Better UX */
.navbar {
  will-change: transform;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@supports not (backdrop-filter: blur(10px)) {
  .navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
  }
}

/* Prevent content jump on mobile menu open */
body.menu-open {
  position: fixed;
  width: 100%;
  overflow: hidden;
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Better touch scrolling on iOS */
.nav-menu {
  -webkit-overflow-scrolling: touch;
}

/* Prevent zoom on input focus on iOS */
@media screen and (max-width: 767px) {
  input, select, textarea {
    font-size: 16px !important;
  }
}