body{
margin:0;
font-family:Inter;
background:#050b18;
color:white;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 40px;
background:rgba(0,0,0,0.6);
backdrop-filter:blur(10px);
position:fixed;
width:100%;
z-index:999;
}

.logo{
height:55px;
}

nav a{
color:white;
margin:0 15px;
text-decoration:none;
}

.btn-whats{
background:#25d366;
padding:10px 15px;
border-radius:8px;
color:white;
text-decoration:none;
}

.hero{
height:100vh;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
background:url('https://images.unsplash.com/photo-1581091012184-7f1a5b2f5f1a?auto=format&fit=crop&w=1600&q=80');
background-size:cover;
position:relative;
}

.overlay{
position:absolute;
width:100%;
height:100%;
background:rgba(0,0,0,0.7);
}

.hero-content{
position:relative;
z-index:2;
}

.hero h1{
font-size:45px;
}

.btn{
background:#008cff;
padding:12px 25px;
color:white;
border-radius:8px;
text-decoration:none;
display:inline-block;
margin-top:20px;
}

.section{
padding:80px 20px;
text-align:center;
}

.dark{
background:#0b1224;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:15px;
margin-top:30px;
}

.card{
background:rgba(255,255,255,0.05);
padding:20px;
border-radius:12px;
backdrop-filter:blur(10px);
transition:0.3s;
}

.card:hover{
transform:scale(1.05);
}

form input, form textarea{
width:90%;
padding:10px;
margin:8px;
border:none;
border-radius:6px;
}

button{
background:#008cff;
padding:12px;
width:95%;
border:none;
color:white;
border-radius:8px;
}

footer{
background:#02040a;
padding:30px;
text-align:center;
}

.marcas span{
margin:10px;
opacity:0.7;
}

.float{
position:fixed;
bottom:20px;
right:20px;
background:#25d366;
padding:15px;
border-radius:50%;
color:white;
text-decoration:none;
font-size:20px;
}