* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f3f3f3;
    color: #222;
}

.card {
    width: min(92%, 520px);
    margin: 40px auto;
    background: #fff;
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

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

.intro {
    text-align: center;
    margin-bottom: 28px;
}

label {
    display: block;
    font-weight: 700;
    margin: 14px 0 6px;
}

input[type="text"],
input[type="tel"],
input[type="email"] {
    width: 100%;
    padding: 13px;
    font-size: 17px;
    border: 1px solid #bbb;
    border-radius: 8px;
}

.consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400;
    margin: 22px 0;
    line-height: 1.4;
}

.consent input {
    margin-top: 3px;
    transform: scale(1.25);
}

button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 9px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    background: #222;
    color: #fff;
}

.message {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 18px;
}

.success {
    background: #e8f7e8;
}

.error {
    background: #fdeaea;
}