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

:root {
    --green: #2e6f40;
    --dark-green: #1f4d2c;
    --light-green: #edf6ef;
    --text: #18231c;
    --muted: #68736c;
    --border: #e2e8e3;
    --background: #f4f7f5;
    --white: #ffffff;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
}

.verification-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px;
    background:
        radial-gradient(
            circle at 10% 10%,
            rgba(46, 111, 64, 0.08),
            transparent 30%
        ),
        radial-gradient(
            circle at 90% 90%,
            rgba(46, 111, 64, 0.07),
            transparent 30%
        ),
        var(--background);
}

.card {
    width: 100%;
    max-width: 520px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow:
        0 20px 60px rgba(20, 45, 27, 0.08);
    overflow: hidden;
}

/* LOGO */

.logo {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 25px 28px;
    border-bottom: 1px solid var(--border);
}

.logo-icon {
    width: 43px;
    height: 43px;
    background: var(--green);
    color: white;
    border-radius: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-name {
    display: flex;
    flex-direction: column;
}

.logo-name strong {
    color: var(--dark-green);
    font-size: 18px;
    letter-spacing: 1px;
}

.logo-name span {
    color: #7c857f;
    font-size: 10px;
    margin-top: 2px;
}

/* SHIELD */

.shield {
    display: flex;
    justify-content: center;
    margin-top: 38px;
}

.shield-icon {
    width: 64px;
    height: 64px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--light-green);
    color: var(--green);

    border-radius: 50%;

    font-size: 28px;
    font-weight: 700;

    box-shadow:
        0 0 0 8px rgba(46, 111, 64, 0.05);
}

/* CONTENT */

.content {
    padding: 25px 38px 35px;
    text-align: center;
}

.label {
    color: var(--green);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

h1 {
    font-size: 29px;
    letter-spacing: -0.8px;
    margin-bottom: 10px;
}

.description {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
    max-width: 390px;
    margin: 0 auto 25px;
}

/* VERIFICATION */

.verification-box {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: left;
    background: #fbfcfb;
}

.question-header {
    display: flex;
    justify-content: space-between;
    color: #87918a;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 18px;
}

.question {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    padding: 10px 0 20px;
}

input {
    width: 100%;
    height: 50px;

    border: 1px solid #d6ded8;
    border-radius: 8px;

    background: white;

    padding: 0 15px;

    font-family: inherit;
    font-size: 16px;

    outline: none;

    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}

input:focus {
    border-color: var(--green);

    box-shadow:
        0 0 0 3px rgba(46, 111, 64, 0.10);
}

input::placeholder {
    color: #a3aaa5;
}

button {
    width: 100%;
    height: 50px;

    margin-top: 12px;

    border: 0;
    border-radius: 8px;

    background: var(--green);
    color: white;

    font-family: inherit;
    font-size: 14px;
    font-weight: 700;

    cursor: pointer;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    transition:
        background 0.2s,
        transform 0.1s;
}

button:hover {
    background: var(--dark-green);
}

button:active {
    transform: scale(0.99);
}

button span {
    font-size: 18px;
}

button.success {
    background: #438a55;
}

button:disabled {
    cursor: default;
}

/* ERROR */

.error {
    display: none;

    color: #a33a3a;
    background: #fff2f2;

    border: 1px solid #f2d4d4;

    border-radius: 7px;

    padding: 9px 12px;

    margin-top: 10px;

    font-size: 12px;
    text-align: center;
}

.error.show {
    display: block;
}

/* PRIVACY */

.privacy {
    color: #8b948e;
    font-size: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 5px;

    margin-top: 20px;
}

.lock {
    font-size: 10px;
}

/* FOOTER */

.footer {
    border-top: 1px solid var(--border);

    padding: 18px 25px;

    display: flex;
    justify-content: center;
    gap: 8px;

    color: #9aa29d;

    font-size: 10px;
}

/* MOBILE */

@media (max-width: 600px) {

    .verification-page {
        padding: 12px;
        align-items: flex-start;
        padding-top: 25px;
    }

    .card {
        border-radius: 14px;
    }

    .logo {
        padding: 20px;
    }

    .content {
        padding: 22px 22px 30px;
    }

    h1 {
        font-size: 25px;
    }

    .question {
        font-size: 22px;
    }

    .footer {
        flex-wrap: wrap;
    }
}
```