body {
font-family: 'Segoe UI', Arial;
margin: 0;
background: #f4f6fb;
}

header {
background: #0a2540;
color: white;
padding: 20px;
text-align: center;
}

nav {
background: #142c4c;
padding: 10px;
text-align: center;
}

nav a {
color: white;
margin: 0 10px;
text-decoration: none;
}

.container {
max-width: 1100px;
margin: auto;
padding: 40px 20px;
}

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

.card {
background: white;
padding: 25px;
border-radius: 12px;
box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}

input, textarea {
width: 100%;
padding: 10px;
margin: 10px 0;
border-radius: 6px;
border: 1px solid #ccc;
}

button {
background: #0a2540;
color: white;
padding: 10px 20px;
border: none;
}

.footer {
background: #0a2540;
color: white;
padding: 30px;
text-align: center;
margin-top: 40px;
}