:root {
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #172033;
    background: #eef2f6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

.qualification-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px 18px;
}

.qualification-card {
    width: min(720px, 100%);
    background: #fff;
    border-radius: 24px;
    padding: clamp(28px, 6vw, 54px);
    box-shadow: 0 24px 70px rgba(15, 23, 42, .13);
}

.brand {
    display: inline-block;
    margin-bottom: 32px;
    color: #0f172a;
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: .14em;
    text-decoration: none;
}

h1 {
    margin: 8px 0 18px;
    font-size: clamp(2rem, 5vw, 3.45rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.intro,
.help,
.privacy-note {
    color: #5d6778;
    line-height: 1.7;
}

.progress-label {
    color: #0f766e;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.benefits {
    margin: 26px 0 32px;
    padding-left: 22px;
    line-height: 1.9;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea {
    width: 100%;
    margin: 16px 0 24px;
    padding: 15px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 13px;
    background: #fff;
    font: inherit;
    color: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: #0f766e;
    outline: 3px solid rgba(15, 118, 110, .12);
}

.choice-list {
    display: grid;
    gap: 12px;
    margin: 24px 0 28px;
}

.choice {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 15px 16px;
    border: 1px solid #dbe3ec;
    border-radius: 13px;
    cursor: pointer;
    transition: .15s ease;
}

.choice:hover {
    border-color: #0f766e;
    background: #f0fdfa;
}

.choice input {
    width: 18px;
    height: 18px;
    accent-color: #0f766e;
}

.primary-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
    padding: 13px 21px;
    border: 0;
    border-radius: 12px;
    background: #0f766e;
    color: #fff;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.primary-button:hover {
    background: #115e59;
}

.secondary-link {
    display: inline-block;
    margin-top: 18px;
    color: #0f766e;
    font-weight: 800;
}

.error-box {
    padding: 13px 15px;
    border-radius: 11px;
    background: #fee2e2;
    color: #991b1b;
}

.success-icon {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #dcfce7;
    color: #166534;
    font-size: 2rem;
    font-weight: 900;
}

@media (max-width: 560px) {
    .qualification-card {
        border-radius: 18px;
        padding: 26px 21px;
    }

    .primary-button {
        width: 100%;
    }
}