body {
font-family: Arial;
margin: 0;
background: #f4f6f9;
}

header {
background: #0f172a;
color: white;
padding: 20px;
text-align: center;
}

nav a {
margin: 10px;
color: white;
text-decoration: none;
}

.hero {
background: url('https://images.unsplash.com/photo-1501785888041-af3ef285b470') center/cover;
color: white;
padding: 100px 20px;
text-align: center;
}

section {
padding: 40px;
max-width: 1000px;
margin: auto;
background: white;
margin-top: 20px;
border-radius: 10px;
}

.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 20px;
}

.card {
background: #fff;
border-radius: 10px;
overflow: hidden;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.card img {
width: 100%;
height: 150px;
object-fit: cover;
}

.banner {
width: 100%;
border-radius: 10px;
margin-bottom: 20px;
}

footer {
text-align: center;
padding: 20px;
color: gray;
}