body{
font-family:Arial;
margin:0;
background:#f4f7fb;
}

header{
position:sticky;
top:0;
background:white;
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 40px;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
z-index:999;
}

.logo-area{
display:flex;
align-items:center;
gap:10px;
}

.logo{
width:55px;
}

nav a{
margin-left:20px;
text-decoration:none;
font-weight:bold;
color:#333;
}

.hero{
background:#1e4c7a;
color:white;
text-align:center;
padding:120px 20px;
}

.btn{
margin-top:20px;
padding:12px 25px;
background:white;
color:#1e4c7a;
border:none;
font-weight:bold;
}

.services{
padding:70px;
text-align:center;
}

.slider{
overflow:hidden;
}

.slides{
display:flex;
gap:20px;
animation:scroll 25s linear infinite;
}

@keyframes scroll{

0%{transform:translateX(0)}
100%{transform:translateX(-50%)}

}

.card{
min-width:260px;
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

.calculator{
padding:70px;
background:white;
text-align:center;
}

.calculator-box{
display:flex;
flex-wrap:wrap;
justify-content:center;
gap:40px;
}

.inputs{
max-width:300px;
}

.inputs input{
width:100%;
padding:10px;
margin:10px 0;
}

.chart{
width:400px;
}

.map{
padding:70px;
text-align:center;
}

.contact{
padding:70px;
text-align:center;
}

form{
max-width:500px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}

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

button{
padding:12px;
background:#1e4c7a;
color:white;
border:none;
border-radius:5px;
}

footer{
background:#1e4c7a;
color:white;
text-align:center;
padding:30px;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
padding:15px 18px;
border-radius:50px;
text-decoration:none;
font-weight:bold;
}