*{
margin:0;
padding:0;
box-sizing:border-box;
scroll-behavior:smooth;
}

body{
font-family:Arial,sans-serif;
background:#f4f7fb;
color:#1f2937;
line-height:1.8;
}

.container{
width:90%;
max-width:1400px;
margin:auto;
}

nav{
background:#041a34;
position:sticky;
top:0;
z-index:1000;
box-shadow:0 2px 10px rgba(0,0,0,0.2);
}

.nav-container{
display:flex;
justify-content:space-between;
align-items:center;
padding:18px 0;
}

.logo{
display:flex;
align-items:center;
gap:12px;
color:#fff;
font-size:22px;
font-weight:700;
}

.logo-img{
height:52px;
width:auto;
}

nav ul{
display:flex;
list-style:none;
flex-wrap:wrap;
}

nav ul li{
margin-left:28px;
}

nav ul li a{
color:white;
text-decoration:none;
font-weight:500;
transition:0.3s;
}

nav ul li a:hover{
color:#38bdf8;
}

.hero{
background:
linear-gradient(rgba(3,18,38,0.82),rgba(3,18,38,0.85)),
url('https://images.unsplash.com/photo-1565043589221-1a6fd9ae45c7?q=80&w=1600&auto=format&fit=crop');

background-size:cover;
background-position:center;
color:white;
padding:170px 20px;
text-align:center;
}

.hero h1{
font-size:64px;
margin-bottom:20px;
}

.hero p{
font-size:22px;
max-width:1000px;
margin:auto;
margin-bottom:20px;
}

.btn{
display:inline-block;
padding:15px 34px;
margin:10px;
background:#0ea5e9;
color:white;
text-decoration:none;
border-radius:40px;
transition:0.3s;
font-weight:bold;
}

.btn:hover{
background:#0284c7;
}

section{
padding:90px 0;
}

.section-title{
font-size:42px;
margin-bottom:25px;
color:#041a34;
}

.card-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
gap:30px;
}

.card{
background:white;
padding:35px;
border-radius:18px;
box-shadow:0 10px 25px rgba(0,0,0,0.08);
transition:0.3s;
}

.card:hover{
transform:translateY(-6px);
}

.card h3{
margin-bottom:18px;
color:#041a34;
}

footer{
background:#020d1d;
color:white;
text-align:center;
padding:45px 20px;
margin-top:80px;
}

.whatsapp-float{
position:fixed;
width:65px;
height:65px;
bottom:25px;
right:25px;
background:#25d366;
border-radius:50%;
display:flex;
justify-content:center;
align-items:center;
box-shadow:0 6px 15px rgba(0,0,0,0.3);
z-index:1000;
}

.whatsapp-float img{
width:38px;
height:38px;
}

@media(max-width:768px){

.hero h1{
font-size:42px;
}

.hero p{
font-size:18px;
}

.nav-container{
flex-direction:column;
}

nav ul{
justify-content:center;
margin-top:15px;
}

nav ul li{
margin:8px 12px;
}

}
body{
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
}