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

body {
  background: #08131f;
  color: #fff;
}

.topo {
  background: #000;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 45px;
}

nav a {
  color: #00aaff;
  text-decoration: none;
  margin-left: 15px;
  font-weight: bold;
}

.banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 30px 20px;
  background: linear-gradient(135deg, #001f3f, #003d66);
}

.banner-texto {
  max-width: 420px;
}

.banner h1 {
  color: #00ccff;
  font-size: 32px;
}

.banner p {
  margin: 10px 0 20px;
  font-size: 18px;
}

.banner img {
  max-width: 300px;
  width: 100%;
  margin-top: 20px;
}

.btn {
  background: #00ccff;
  color: #000;
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.servicos {
  padding: 30px 20px;
  background: #061421;
}

.servicos h2 {
  color: #00ccff;
  margin-bottom: 15px;
}

.servicos li {
  margin-bottom: 8px;
}

.contato {
  padding: 30px 20px;
  background: #000;
}

.contato h2 {
  color: #00ccff;
  margin-bottom: 10px;
}

footer {
  text-align: center;
  padding: 15px;
  background: #02070c;
  font-size: 14px;
}