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

body{
    line-height:1.6;
    color:#333;
}

.container{
    width:90%;
    max-width:1100px;
    margin:auto;
}

header{
    background:#0d47a1;
    color:#fff;
    padding:20px 0;
}

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

nav a{
    color:#fff;
    text-decoration:none;
    margin-left:20px;
}

.hero{
    background:linear-gradient(135deg,#1565c0,#42a5f5);
    color:#fff;
    text-align:center;
    padding:120px 20px;
}

.hero h1{
    font-size:48px;
    margin-bottom:20px;
}

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

.btn{
    display:inline-block;
    background:#ff9800;
    color:#fff;
    padding:12px 30px;
    text-decoration:none;
    border-radius:5px;
}

section{
    padding:70px 0;
}

h2{
    text-align:center;
    margin-bottom:40px;
}

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

.card{
    background:#f5f5f5;
    padding:30px;
    border-radius:10px;
    width:300px;
    text-align:center;
}

.price-box{
    max-width:350px;
    margin:auto;
    background:#0d47a1;
    color:#fff;
    padding:30px;
    border-radius:10px;
    text-align:center;
}

.price-box ul{
    list-style:none;
    margin:20px 0;
}

.price-box li{
    margin:10px 0;
}

footer{
    background:#222;
    color:#fff;
    text-align:center;
    padding:20px;
}

@media(max-width:768px){

header .container{
    flex-direction:column;
}

nav{
    margin-top:15px;
}

.hero h1{
    font-size:32px;
}

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

}