* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: Arial, sans-serif;
background: #f4f6f9;
color: #333;
}

header {
background: #4e342e;
color: white;
padding: 20px;
text-align: center;
}

nav {
display: flex;
justify-content: center;
background: #222;
flex-wrap: wrap;
}

nav a {
color: white;
padding: 14px 20px;
text-decoration: none;
}

nav a:hover {
background: #4e342e;
}

.container {
padding: 20px;
max-width: 900px;
margin: auto;
}

.card {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 4px 8px rgba(0,0,0,0.1);
margin-bottom: 20px;
border-top: 5px solid #4e342e;
}

footer {
background: #4e342e;
color: white;
text-align: center;
padding: 15px;
margin-top: 30px;
}

@media (max-width: 768px) {
nav {
flex-direction: column;
text-align: center;
}
}