/* === RESET === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* === BODY === */
body {
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
  padding-bottom: 50px;
}

/* === HEADER & NAV === */
header {
  background-color: #003366;
  color: white;
  padding: 15px 0;
}

nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 5px 10px;
  transition: background 0.3s, color 0.3s;
}

nav a:hover {
  background-color: #0055a5;
  border-radius: 5px;
}

/* === MAIN SECTIONS === */
main {
  max-width: 1000px;
  margin: 20px auto;
  padding: 0 20px;
}

h1, h2, h3 {
  color: #003366;
  margin-bottom: 10px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 15px;
}

h2 {
  font-size: 1.5rem;
  margin-top: 20px;
  margin-bottom: 10px;
}

p, li {
  margin-bottom: 10px;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #003366;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 10px;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #0055a5;
}

/* === IMAGES === */
img {
  max-width: 100%;
  height: auto;
  margin: 10px 0;
  border-radius: 5px;
}

/* === FORMS === */
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 15px;
}

input[type="text"],
input[type="email"],
textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  width: 100%;
}

button {
  padding: 10px;
  background-color: #003366;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0055a5;
}

/* === FOOTER === */
footer {
  background-color: #003366;
  color: white;
  text-align: center;
  padding: 15px 10px;
  position: relative;
  bottom: 0;
  width: 100%;
  margin-top: 30px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: center;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }
}