* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #fafafa;
    color: #222;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 500px;
    margin: 30px auto;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

h1 {
    margin-top: 0;
    text-align: center;
}

.intro {
    text-align: center;
    line-height: 1.5;
    margin-bottom: 25px;
}

label {
    display: block;
    margin-top: 18px;
    font-weight: 600;
}

input,
textarea,
select,
button {
    width: 100%;
    font-size: 16px;
    padding: 12px;
    margin-top: 8px;
    border-radius: 8px;
}

input,
textarea,
select {
    border: 1px solid #ccc;
    background: white;
}

textarea {
    resize: vertical;
}

button {
    margin-top: 25px;
    cursor: pointer;
    background: #222;
    color: white;
    border: none;
    font-weight: 600;
    padding: 14px;
}

button:hover {
    background: #444;
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        margin: 10px auto;
        padding: 20px;
        border-radius: 8px;
    }
}