body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ccf0cd;
}

header {
    text-align: center;
    padding: 30px 0 10px 0;
}

h1 {
    margin: 0;
    font-size: 28px;
}

main {
    display: flex;
    justify-content: center;
    padding: 20px;
}

form {
    background: white;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 450px;
    display: grid;
    gap: 15px;
}

label {
    font-weight: 500;
}

input,
select,
textarea {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

textarea {
    resize: vertical;
}

fieldset {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
}

legend {
    font-size: 14px;
    font-weight: 600;
    padding: 0 5px;
}

input[type="submit"] {
    margin-top: 10px;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background-color: #4CAF50;
    color: white;
    font-size: 15px;
    cursor: pointer;
    transition: 0.2s ease;
}

input[type="submit"]:hover {
    background-color: #45a049;
}

p {
    text-align: center;
    font-weight: 500;
    margin-top: 15px;
}

@media (max-width: 480px) {
    form {
        grid-template-columns: 1fr;
        max-width: 90%;
    }

    input, select {
        width: 100%;
    }
}