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

body {
  font-family: sans-serif;
  background-color: #f9f9f9;
  line-height: 1.6;
  color: #333;
}

header {
  background: #004080;
  color: white;
  padding: 20px;
  text-align: center;
}

nav {
  background: #222;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav a {
  color: white;
  padding: 15px 20px;
  text-decoration: none;
  display: inline-block;
}

nav a:hover {
  background: #444;
}

.hero {
  position: relative;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: white;
  text-align: center;
}

.bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -1;
  transition: opacity 1s ease-in-out;
  opacity: 1;
}

.hero-text {
  background: rgba(0, 0, 0, 0.4);
  padding: 20px;
  border-radius: 10px;
}

.button-call {
  display: inline-block;
  background: #007acc;
  color: white;
  padding: 10px 20px;
  margin-top: 10px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}

.button-call:hover {
  background: #005fa3;
}

section.content {
  padding: 40px 20px;
  max-width: 800px;
  margin: auto;
}

section.content h2 {
  text-align: center;
  margin-bottom: 20px;
}

section.content ul {
  list-style: none;
  padding-left: 0;
  line-height: 2;
  font-size: 18px;
}
section.content ul li {
  text-align: center;
}

footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 20px;
}

footer a {
  color: #ddd;
  text-decoration: underline;
}

footer a:hover {
  color: #fff;
}

@media (max-width: 600px) {
  nav a {
    padding: 10px;
    font-size: 14px;
  }

  .hero {
    height: 250px;
  }

  .hero-text h1 {
    font-size: 20px;
  }

  .button-call {
    font-size: 16px;
    padding: 10px 15px;
  }
}