body{
font-family: Arial, sans-serif;
margin:0;
line-height:1.6;
color:#333;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
font-size:28px;
padding:15px 18px;
border-radius:50%;
text-decoration:none;
box-shadow:0 0 10px rgba(0,0,0,0.3);
z-index:999;
}

header{
background:#0b3d91;
color:white;
padding:15px 0;
}

.container{
width:90%;
margin:auto;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
}

nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:bold;
}

.hero{
background:#0b3d91;
color:white;
text-align:center;
padding:100px 20px;
}

.btn{
display:inline-block;
margin-top:20px;
padding:12px 25px;
background:white;
color:#0b3d91;
text-decoration:none;
font-weight:bold;
border-radius:5px;
}

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

.gray{
background:#f4f4f4;
}

.grid{
display:flex;
flex-wrap:wrap;
gap:20px;
justify-content:center;
margin-top:30px;
}

.card{
background:white;
padding:25px;
width:280px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
border-radius:10px;
}

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

.list li{
margin:10px 0;
font-size:18px;
}

form{
max-width:400px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}

input, textarea{
padding:12px;
border:1px solid #ccc;
border-radius:5px;
}

button{
background:#0b3d91;
color:white;
padding:12px;
border:none;
border-radius:5px;
font-size:16px;
cursor:pointer;
}

footer{
background:#222;
color:white;
text-align:center;
padding:20px;
margin-top:40px;
}