.otp-wrap {
    display: flex;
    gap: 8px;
    justify-content: center;
    width: 100%;
    margin-bottom: 18px;
}
.otp-box {
    /* 100vw minus: section padding (20px×2) + form padding (24px×2) + 5 gaps (8px×5) = 128px */
    width: min(46px, calc((100vw - 128px) / 6));
    height: calc(min(46px, calc((100vw - 128px) / 6)) * 1.2);
    flex-shrink: 0;
    text-align: center;
    font-size: clamp(14px, calc((100vw - 128px) / 18), 24px);
    font-weight: 700;
    font-family: monospace;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    color: #EBCF81;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    caret-color: #EBCF81;
}
.otp-box:focus {
    border-color: rgba(235,207,129,0.6);
    box-shadow: 0 0 0 3px rgba(235,207,129,0.12);
    background: rgba(235,207,129,0.06);
}
.otp-box.is-filled {
    border-color: rgba(235,207,129,0.35);
}
.form__hint {
    margin: -8px 0 14px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    line-height: 1.5;
}
.form__hint strong { color: rgba(255,255,255,0.7); }

@media (max-width: 480px) {
    .form--content {
        padding-left: 24px;
        padding-right: 24px;
    }
}