* {
    box-sizing: border-box;
    font-family: system-ui, sans-serif;
}

body {
    margin: 0;
    background: #f4f4f4;
    color: #222;
}

.header {
    background: #b60000;
    color: white;
    padding: 1rem;
}

.header nav a {
    color: white;
    margin-right: 1rem;
    text-decoration: none;
}

.hero {
    background: #333;
    color: white;
    padding: 4rem 1rem;
    text-align: center;
}

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

.grid {
    display: grid;
    gap: 1.5rem;
    padding: 2rem;
}

.grid > div {
    background: white;
    padding: 1.5rem;
    border-radius: 6px;
}

.content-section {
    max-width: 900px;
    margin: auto;
    padding: 2rem;
}

form input,
form textarea {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.3rem;
}

button {
    margin-top: 1rem;
    background: #b60000;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
}

.errors {
    color: red;
}

.success {
    color: green;
    font-weight: bold;
}

.footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 1rem;
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}