.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: auto;
}

.logo {
  height: 150px;
  margin: 0.5em;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 1em;
  padding: 0;
  margin: 0.5em;
}

.nav-menu li a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  padding: 0.3em 0.6em;
  border-radius: 5px;
  transition: background 0.3s;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  background: #00796b;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f8f8f8;
  color: #333;
}

header, footer {
  background: #004d40;
  color: white;
  padding: 1em;
  text-align: center;
}

main {
  padding: 2em;
  max-width: 800px;
  margin: auto;
}

h1 {
  margin-bottom: 0.2em;
}

h2 {
  margin-top: 1.5em;
  color: #004d40;
}