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

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #18191c;
    color: #e4e4e4;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    padding: 20px;
}

.container {
    max-width: 400px;
    padding: 50px;
    border-radius: 15px;
    background-color: #242526;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    transition: transform 0.3s ease;
}

.container:hover {
    transform: translateY(-5px);
}

h1 {
    font-size: 5.5rem;
    color: #ff4757;
    margin-bottom: 15px;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

p {
    font-size: 1.2rem;
    margin-bottom: 25px;
}

a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    padding: 15px 30px;
    border: 2px solid #1e90ff;
    border-radius: 8px;
    background-color: #1e90ff;
    transition: background-color 0.3s ease, transform 0.3s ease;
    font-size: 1.1rem;
}

a:hover {
    background-color: #218838;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    h1 {
font-size: 4.5rem;
    }

    p {
font-size: 1rem;
    }

    a {
font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
font-size: 3.5rem;
    }

    p {
font-size: 0.9rem;
    }

    a {
font-size: 0.9rem;
    }
}