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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #1a1a1a url('bg-black-hexabump.png');
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    text-align: center;
    padding: 2rem;
}

.logo {
    margin-bottom: 3rem;
}

.logo img {
    max-width: 450px;
    width: 100%;
    height: auto;
}

.contact a {
    display: inline-block;
    color: #fff;
    background: #e74c3c;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border-radius: 4px;
    transition: background 0.3s ease;
}

.contact a:hover {
    background: #c0392b;
}

@media (max-width: 768px) {
    .logo img {
        max-width: 300px;
    }
    .contact a {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}