body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b1220;
  color: #fff;
}

.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
}

.topo {
  background: #0f1b31;
  position: sticky;
  top: 0;
}

.logo {
  height: 67px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.35));
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

.hero {
  background: linear-gradient(rgba(0,0,0,.55), rgba(0,0,0,.55)), 
              url("assets/casa-hero.jpg") center/cover no-repeat;
  padding: 140px 40px;
}

.hero-texto {
  max-width: 600px;
}

.section {
  padding: 60px 40px;
  text-align: center;
}

.dark {
  background: #0f1b31;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.card {
  background: #162447;
  padding: 20px;
  border-radius: 10px;
}

.galeria img {
  width: 30%;
  margin: 1%;
  border-radius: 10px;
}

.dados ul {
  list-style: none;
  padding: 0;
}

.btn {
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  display: inline-block;
  margin-right: 10px;
}

.btn-primary {
  background: #1fa2ff;
  border: none;
}

footer {
  padding: 20px;
  background: #000;
  text-align: center;
}