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

body{
  background:#111;
  color:#fff;
  line-height:1.6;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

header{
  background:linear-gradient(rgba(0,0,0,.7), rgba(0,0,0,.7)),
  url('assets/foto1.jpeg') center/cover;
  padding:120px 0;
  text-align:center;
}

header h1{
  font-size:48px;
  margin-bottom:10px;
}

header p{
  font-size:20px;
  margin-bottom:20px;
}

.btn{
  display:inline-block;
  background:#0d6efd;
  color:#fff;
  padding:14px 28px;
  border-radius:6px;
  text-decoration:none;
  font-weight:bold;
}

section{
  padding:70px 0;
}

h2{
  text-align:center;
  margin-bottom:40px;
  font-size:36px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
}

.card{
  background:#1e1e1e;
  padding:30px;
  border-radius:10px;
  text-align:center;
  border:1px solid #333;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:20px;
}

.grid img{
  width:100%;
  border-radius:10px;
}

.contato{
  text-align:center;
}

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

@media(max-width:768px){
  header h1{
    font-size:34px;
  }

  h2{
    font-size:28px;
  }
}