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

body{

    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    background:#f5f7fb;
    color:#222;

}

.container{

    max-width:1200px;
    margin:auto;
    padding:30px;

}

header{

    text-align:center;
    margin-bottom:40px;

}

header h1{

    font-size:38px;
    color:#0d47a1;

}

header p{

    margin-top:10px;
    color:#666;

}

section{

    margin-bottom:50px;

}

section h2{

    margin-bottom:20px;

}

.grid{

    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;

}

.card{

    background:white;
    border-radius:12px;
    padding:25px;
    text-decoration:none;
    color:#222;
    transition:.25s;
    box-shadow:0 5px 15px rgba(0,0,0,.08);

}

.card:hover{

    transform:translateY(-5px);
    box-shadow:0 10px 25px rgba(0,0,0,.12);

}

.card h3{

    margin-bottom:10px;

}

.card p{

    color:#666;

}