body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}
header, footer {
    background: #fff;
    padding: 1em;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.hero {
    background: #ccc;
    color: white;
    padding: 5em 1em;
    text-align: center;
}
.hero .btn, header .btn {
    background: #e11d48;
    color: white;
    padding: 0.75em 1.5em;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 1em;
    display: inline-block;
}
.categories {
    display: flex;
    gap: 1em;
    padding: 2em;
    justify-content: center;
    flex-wrap: wrap;
}
.card {
    background: white;
    padding: 1em;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: 250px;
    text-align: center;
}
.subscribe {
    text-align: center;
    padding: 2em 1em;
}
.subscribe form {
    display: inline-block;
    margin-top: 1em;
}
.subscribe input {
    padding: 0.5em;
    border: 1px solid #ccc;
    border-radius: 6px;
    margin-right: 0.5em;
}
.subscribe button {
    padding: 0.5em 1em;
    background: #e11d48;
    color: white;
    border: none;
    border-radius: 6px;
}
#response {
    margin-top: 1em;
    font-weight: bold;
}