body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #0f0f0f;
  color: #f2f2f2;
  text-align: center;
}

header {
  background: linear-gradient(90deg, #ff5a00, #ffb200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 40px;
}

header img {
  height: 60px;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 600;
  transition: 0.3s;
}

nav a:hover, nav a.activo {
  color: #222;
}

.contacto {
  padding: 80px 10%;
}

.contacto h1 {
  color: #ff5a00;
  margin-bottom: 20px;
}

footer {
  background: #1a1a1a;
  text-align: center;
  padding: 15px;
  color: #bbb;
}