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

body{
    background:#f8fafc;
    color:#333;
    line-height:1.6;
}

.container{
    width:90%;
    margin:auto;
}

header{
    background:#1b263b;
    color:white;
    padding:20px 0;
}

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

nav a{
    color:white;
    text-decoration:none;
    margin-left:20px;
    font-weight:500;
}

.hero{
    background:linear-gradient(
        rgba(27,38,59,0.85),
        rgba(27,38,59,0.85)
    ),
    url('https://images.unsplash.com/photo-1523240795612-9a054b0db644');
    background-size:cover;
    background-position:center;
    color:white;
    text-align:center;
    padding:120px 20px;
}

.hero h2{
    font-size:3rem;
    margin-bottom:20px;
}

.hero p{
    max-width:800px;
    margin:auto;
    font-size:1.2rem;
}

.btn{
    display:inline-block;
    margin-top:25px;
    padding:14px 30px;
    background:#fca311;
    color:#1b263b;
    text-decoration:none;
    border-radius:5px;
    font-weight:bold;
}

section{
    padding:70px 10%;
}

section h2{
    text-align:center;
    margin-bottom:35px;
    color:#1b263b;
}

.overview p{
    max-width:900px;
    margin:auto;
    text-align:center;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
}

.card{
    background:white;
    padding:25px;
    border-radius:10px;
    text-align:center;
    box-shadow:0 4px 12px rgba(0,0,0,0.1);
}

.subject{
    background:#1b263b;
    color:white;
    padding:18px;
    border-radius:8px;
    text-align:center;
}

.steps{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:15px;
}

.steps span{
    background:#fca311;
    color:#1b263b;
    padding:12px 20px;
    border-radius:25px;
    font-weight:bold;
}

.cta{
    background:#1b263b;
    color:white;
    text-align:center;
}

.cta h2{
    color:white;
}

.btn-light{
    display:inline-block;
    margin-top:20px;
    padding:14px 30px;
    background:white;
    color:#1b263b;
    text-decoration:none;
    border-radius:5px;
    font-weight:bold;
}

footer{
    background:#0d1b2a;
    color:white;
    text-align:center;
    padding:20px;
}

@media(max-width:768px){

    header .container{
        flex-direction:column;
    }

    nav{
        margin-top:15px;
    }

    .hero h2{
        font-size:2rem;
    }
}