.registration-page {
    min-height: 100vh;
    padding: clamp(20px, 4vw, 48px) 16px;
    background: #f3fbfa;
}

.registration-shell {
    max-width: 900px;
    margin: 0 auto;
}

.registration-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.registration-header img {
    width: clamp(185px, 28vw, 260px);
    height: auto;
}

.registration-header a {
    color: #1b3562;
    font-weight: 400;
}

.registration-card {
    padding: clamp(24px, 4vw, 46px);
    border: 1px solid #dce8ee;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(27, 53, 98, .07);
}

.registration-kicker {
    margin: 0 0 8px;
    color: #4b8c81;
    font-size: 13px;
}

.registration-card h1 {
    margin: 0;
    color: #1b3562;
    font-size: clamp(27px, 4vw, 36px);
    font-weight: 500;
}

.registration-description {
    margin: 10px 0 28px;
    color: #64798c;
}

.registration-card h2 {
    margin: 28px 0 16px;
    padding-bottom: 9px;
    border-bottom: 1px solid #dce8ee;
    color: #1b3562;
    font-size: 19px;
    font-weight: 500;
}

.registration-card .form-control,
.registration-card .form-select {
    min-height: 48px;
    font-size: 16px;
}

.registration-approver {
    margin-top: 14px;
}

.registration-selected,
.registration-username {
    margin: 10px 0 0;
    color: #516b80;
}

.registration-submit {
    min-width: 190px;
    margin-top: 8px;
    padding: 11px 24px;
    font-size: 17px;
}

.registration-complete {
    padding: 22px;
    border-radius: 12px;
    background: #e9faf5;
}

@media (max-width: 600px) {
    .registration-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .registration-card {
        padding: 24px 18px;
    }

    .registration-submit {
        width: 100%;
    }
}