*{
    box-sizing:border-box;
}

body{
    margin:0;
    background:#f3f6fb;
    font-family:Segoe UI,sans-serif;
}

.hero{
    background:
    linear-gradient(
        135deg,
        #2563eb,
        #1e40af
    );

    color:white;

    text-align:center;

    padding:40px 20px;
}

.hero h1{
    margin:0;
}

.hero p{
    margin-top:10px;
}

main{
    max-width:1100px;
    margin:auto;
    padding:20px;
}

.stats{
    display:grid;
    grid-template-columns:
    repeat(auto-fit,minmax(180px,1fr));

    gap:15px;

    margin-bottom:25px;
}

.stat-card{
    background:white;
    padding:20px;
    border-radius:18px;

    text-align:center;

    box-shadow:
    0 8px 25px rgba(
        0,0,0,.08
    );
}

.section-title{
    margin-bottom:20px;
}

.exam-card{

    background:white;

    border-radius:18px;

    margin-bottom:15px;

    padding:20px;

    box-shadow:
    0 8px 25px rgba(
        0,0,0,.08
    );
}

.exam-card h3{
    margin-top:0;
}

.btn{

    display:inline-block;

    text-decoration:none;

    background:#2563eb;

    color:white;

    padding:10px 18px;

    border-radius:10px;

    transition:.2s;
}

.btn:hover{

    background:#1e40af;
}