/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Navbar */
.navbar {
  background: #222;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.menu {
  list-style: none;
  display: flex;
  align-items: center;
}

.menu > li {
  position: relative;
}

.menu > li > a {
  display: block;
  padding: 1rem 1.25rem;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.menu > li > a:hover,
.menu > li > a:focus {
  background: #444;
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #333;
  min-width: 200px;

  /* Scroll behavior */
  max-height: 250px;
  overflow-y: auto;
  overflow: hidden;

  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: all 0.2s ease;

  list-style: none;
  border: 1px solid #444;
}

/* Show dropdown on hover AND focus (mobile-friendly) */
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.75rem 1rem;
  color: #fff;
  text-decoration: none;
}

.dropdown-menu li a:hover,
.dropdown-menu li a:focus {
  background: #555;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .menu {
    flex-wrap: wrap;
  }

  .menu > li {
    width: 100%;
  }

  .menu > li > a {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    border: none;
    max-height: 200px;
  }
}

/* Page content spacing */
.content {
  padding: 2rem;
}