/* Growthfully Navigation System
   Desktop and mobile navigation styles */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--pure-white);
  box-shadow: 0 2px 10px rgba(48, 78, 37, 0.1);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(48, 78, 37, 0.15);
}

/* Navigation Container */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--container-padding);
  min-height: 86px;
}

/* Logo/Brand */
.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  height: 73px;
  width: auto;
  transition: transform var(--transition-normal);
}

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

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-menu li {
  margin: 0;
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--mallard);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  color: var(--chelsea-cucumber);
  background-color: rgba(131, 180, 97, 0.1);
}

.nav-link:focus {
  outline: 2px solid var(--red-damask);
  outline-offset: 2px;
}

/* Active nav link */
.nav-link.active {
  color: var(--chelsea-cucumber);
  font-weight: var(--weight-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--chelsea-cucumber);
  border-radius: 1px;
}

/* CTA Button in Navigation */
.nav-cta {
  background: var(--chelsea-cucumber);
  color: var(--pure-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  transition: all var(--transition-normal);
  border: 2px solid var(--chelsea-cucumber);
}

.nav-cta:hover {
  background: transparent;
  color: var(--chelsea-cucumber);
  transform: translateY(-1px);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-normal);
}

.nav-toggle:hover {
  background: rgba(131, 180, 97, 0.1);
  border-radius: var(--radius-sm);
}

.nav-toggle:focus {
  outline: 2px solid var(--red-damask);
  outline-offset: 2px;
}

/* Hamburger Icon */
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--mallard);
  margin: 3px 0;
  transition: all var(--transition-fast);
  border-radius: 1px;
}

/* Hamburger Animation */
.nav-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Body Padding for Fixed Header */
body {
  padding-top: 86px;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav {
    padding: var(--spacing-sm) 20px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 86px;
    left: 0;
    width: 100%;
    height: calc(100vh - 86px);
    background: var(--pure-white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 0;
    padding: var(--spacing-xl) 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    box-shadow: 0 4px 20px rgba(48, 78, 37, 0.1);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu li {
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-sm);
  }
  
  .nav-link {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-lg);
    border-radius: 0;
  }
  
  .nav-link:hover {
    background-color: rgba(131, 180, 97, 0.1);
  }
  
  .nav-cta {
    margin-top: var(--spacing-md);
    display: inline-block;
    width: auto;
  }
  
  /* Prevent body scroll when menu is open */
  body.nav-open {
    overflow: hidden;
  }
}

/* Small Mobile Adjustments */
@media (max-width: 480px) {
  .nav {
    padding: var(--spacing-sm) 16px;
  }
  
  .logo {
    height: 58px;
  }
  
  .nav-toggle {
    width: 36px;
    height: 36px;
  }
  
  .nav-toggle span {
    width: 20px;
  }
}

/* Accessibility: High contrast mode */
@media (prefers-contrast: high) {
  .header {
    border-bottom: 1px solid var(--charcoal);
  }
  
  .nav-link {
    border: 1px solid transparent;
  }
  
  .nav-link:hover,
  .nav-link:focus {
    border-color: var(--mallard);
  }
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .header,
  .nav-menu,
  .nav-link,
  .nav-toggle,
  .nav-toggle span,
  .logo {
    transition: none;
  }
}