body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    background:#f5f7fa;
    color:#222;
}

header{
    background:#0f4c81;
    color:white;
    padding:20px;
}

header h1{
    margin:0;
}

nav{
    margin-top:10px;
}

nav a{
    color:white;
    text-decoration:none;
    margin-right:20px;
}

.hero{
    max-width:1200px;
    margin:40px auto;
    padding:0 20px;
}

.hero h2{
    font-size:42px;
}

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

.card{
    background:white;
    border-radius:12px;
    padding:20px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
    flex:1;
    min-width:280px;
}

.card a{
    color:#0f4c81;
    text-decoration:none;
    font-weight:bold;
}

footer{
    margin-top:60px;
    background:#e8edf2;
    padding:20px;
    text-align:center;
}

.hero-banner{
    margin:30px 0;
}

.hero-banner img{
    width:100%;
    border-radius:16px;
    display:block;
}

.article-image{
    width:100%;
    max-width:900px;
    display:block;
    margin:25px auto;
    border-radius:16px;
}