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

body{
  background:#111;
  color:white;
}

header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 40px;
  background:#000;
  position:sticky;
  top:0;
}

.logo{
  font-size:28px;
  font-weight:bold;
  color:#ff6600;
}

nav a{
  margin:0 10px;
  color:white;
  text-decoration:none;
}

.btn-whatsapp,.btn-main,.card a{
  background:#25D366;
  color:white;
  padding:10px 18px;
  border-radius:8px;
  text-decoration:none;
  font-weight:bold;
}

.hero{
  height:75vh;
  background:linear-gradient(rgba(0,0,0,.7), rgba(0,0,0,.7)),
  url('hero.png') center/cover no-repeat;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.overlay h1{
  font-size:48px;
  max-width:900px;
  margin:auto;
}

.overlay p{
  margin:20px 0;
  font-size:20px;
}

.search{
  padding:60px 20px;
  text-align:center;
}

.search input{
  margin-top:20px;
  width:80%;
  max-width:500px;
  padding:15px;
  border-radius:10px;
  border:none;
}

.catalogo{
  padding:60px 20px;
}

.catalogo h2,
.marcas h2{
  text-align:center;
  margin-bottom:40px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.card{
  background:#1c1c1c;
  padding:30px;
  border-radius:15px;
  text-align:center;
  border:1px solid #333;
}

.card h3{
  color:#ff6600;
  margin-bottom:10px;
}

.card p{
  margin-bottom:20px;
}

.marcas{
  padding:60px 20px;
  text-align:center;
}

.beneficios{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:20px;
  padding:50px 20px;
  background:#1a1a1a;
}

footer{
  text-align:center;
  padding:40px 20px;
  background:#000;
  line-height:2;
}

@media(max-width:768px){
  header{
    flex-direction:column;
    gap:15px;
  }

  .overlay h1{
    font-size:32px;
    padding:0 15px;
  }
}