body{
font-family:Arial, Helvetica, sans-serif;
margin:0;
background:#f4f6f9;
color:#333;
line-height:1.6;
font-size:18px;
}

header{
background:#0b6efd;
color:white;
padding:18px 30px;
display:flex;
justify-content:space-between;
align-items:center;
flex-wrap:wrap;
}

header a{
color:white;
margin-left:15px;
text-decoration:none;
font-weight:bold;
}

.hero{
background:url('https://images.unsplash.com/photo-1581578731548-c64695cc6952') center/cover no-repeat;
height:420px;
display:flex;
align-items:center;
justify-content:center;
}

.hero-overlay{
background:rgba(0,0,0,0.45);
padding:40px;
text-align:center;
color:white;
border-radius:8px;
}

.hero h1{
font-size:40px;
margin-bottom:10px;
}

.button{
background:#0b6efd;
color:white;
padding:16px 32px;
border-radius:6px;
text-decoration:none;
font-weight:bold;
margin-top:15px;
display:inline-block;
}

.container{
max-width:1100px;
margin:auto;
padding:50px 20px;
}

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

.card{
background:white;
padding:25px;
border-radius:8px;
box-shadow:0 4px 10px rgba(0,0,0,0.08);
}

.price{
font-size:24px;
color:#0b6efd;
font-weight:bold;
}

footer{
background:#111;
color:white;
text-align:center;
padding:25px;
margin-top:40px;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
padding:14px 18px;
border-radius:40px;
text-decoration:none;
font-weight:bold;
}