/* Base Styles */
:root {
  --primary-color: #5a9149;
  --white: #fff;
  --black: #000;
  --gray-800: #2d3748;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

/* Navbar Styles */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: var(--transition);
  transform: translateY(0);
}

nav.scroll-up {
  transform: translateY(-100%);
}

.container-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-container img {
  height: 40px;
  width: auto;
}

#brand {
  font-weight: 800;
  color: var(--primary-color);
  font-size: 1.25rem;
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.navbar-menu li a {
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  padding: 5px 0;
}

.navbar-menu li a:hover {
  color: var(--primary-color);
}

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

.navbar-menu li a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle Button */
#menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: var(--transition);
  transform-origin: center;
}

#menu-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

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

#menu-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
  #menu-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    padding-bottom: 80px;
  }

  .navbar-menu.active {
    transform: translateX(0);
  }

  .navbar-menu li a {
    font-size: 1.2rem;
  }

  /* Prevent scrolling when menu is open */
  body.no-scroll {
    overflow: hidden;
  }
}