*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial,sans-serif;
}

body{
    background:#f4f4f4;
    color:#333;
}

/* Navbar */

nav{
    background:#0b3d91;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 50px;
    position:sticky;
    top:0;
}

.logo{
    color:white;
    font-size:28px;
}

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

nav ul li{
    margin-left:20px;
}

nav ul li a{
    color:white;
    text-decoration:none;
    font-weight:bold;
}

nav ul li a:hover{
    color:yellow;
}

/* Hero */

.hero{
    background:#1565c0;
    color:white;
    text-align:center;
    padding:120px 20px;
}

.hero h1{
    font-size:50px;
    margin-bottom:20px;
}

.hero p{
    font-size:20px;
    margin-bottom:30px;
}

.btn{
    background:white;
    color:#1565c0;
    text-decoration:none;
    padding:12px 25px;
    border-radius:30px;
    font-weight:bold;
}

.btn:hover{
    background:yellow;
}

/* Features */

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

.features h2{
    margin-bottom:40px;
    font-size:36px;
}

.container{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.card{
    background:white;
    width:280px;
    padding:20px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,0.2);
}

.card h3{
    color:#1565c0;
    margin-bottom:15px;
}

/* About */

.about{
    background:#e3f2fd;
    text-align:center;
    padding:60px 20px;
}

.about h2{
    margin-bottom:20px;
    font-size:36px;
}

.about p{
    max-width:700px;
    margin:auto;
    line-height:1.8;
}

/* Footer */

footer{
    background:#0b3d91;
    color:white;
    text-align:center;
    padding:30px;
}

footer p{
    margin:10px 0;
}

/* Responsive */

@media(max-width:768px){

nav{
    flex-direction:column;
}

nav ul{
    flex-direction:column;
    text-align:center;
    margin-top:15px;
}

nav ul li{
    margin:10px 0;
}

.hero h1{
    font-size:35px;
}

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

.container{
    flex-direction:column;
    align-items:center;
}

}