/* Base styling */
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #fff;
  color: #000;
}

/* Header & Navigation */
header {
  background-color: #fff;
  padding: 1rem;
  border-bottom: 1px solid #ccc;
  position: relative;
}

/* Default navigation styling */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0;
}

nav ul li {
  margin: 0 1rem;
  position: relative;
}

nav ul li a {
  text-decoration: none;
  color: #000;
  font-weight: bold;
}

nav ul li a:hover {
  color: #555;
}

/* Submenu styling */
nav ul .submenu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
}

/* Desktop: show submenu on hover */
@media screen and (min-width: 769px) {
  nav ul li.submenu-parent:hover > .submenu {
    display: block;
    position: absolute;
    background: #fff;
    top: 100%;
    left: 0;
    box-shadow: 0px 4px 8px rgba(0,0,0,0.1);
  }
  nav ul .submenu li {
    margin: 0.5rem 1rem;
  }
}

/* Burger Menu Icon - hidden on larger screens */
.menu-icon {
  display: none;
}

/* Main Content */
main {
  padding: 2rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid #ccc;
  background-color: #fff;
}

/* Responsive styling for screens up to 768px */
@media screen and (max-width: 768px) {
  /* Show burger menu icon */
  .menu-icon {
    display: block;
    font-size: 24px;
    cursor: pointer;
  }
  
  /* Hide navigation by default */
  nav {
    display: none;
  }
  
  /* Show navigation when active */
  nav.active {
    display: block;
  }
  
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  nav ul li {
    margin: 0.5rem 0;
  }
  
  /* Mobile: submenu hidden until toggled */
  nav ul .submenu {
    display: none;
    flex-direction: column;
    margin-top: 0.5rem;
  }
  
  nav ul .submenu.active {
    display: flex;
  }
}