.brf-wrap {
    --brf-green: #087f62;
    --brf-text: #111;
    --brf-muted: #8ca49d;
    max-width: 830px;
    margin: 0 auto;
    padding: 0 18px 30px;
    box-sizing: border-box;
}

.brf-title {
    margin: 0 0 28px;
    text-align: center;
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1.2;
    font-weight: 800;
    color: var(--brf-text);
}

.brf-intro {
    margin: 0 0 18px;
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.45;
    font-weight: 700;
    color: var(--brf-text);
}

.brf-fields {
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .08);
    box-shadow: 0 8px 22px rgba(0, 0, 0, .12);
}

.brf-field {
    padding: 25px 22px 20px;
    border-bottom: 1px solid #ececec;
}

.brf-field:last-child { border-bottom: 0; }

.brf-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--brf-text);
    font-size: 15px;
    line-height: 1.35;
    font-weight: 700;
}

.brf-field input {
    display: block;
    width: 100%;
    height: 38px;
    padding: 4px 0 8px;
    border: 0;
    border-bottom: 1px solid #e5e5e5;
    border-radius: 0;
    outline: none;
    background: transparent;
    box-shadow: none;
    color: #222;
    font: inherit;
    font-size: 18px;
    font-weight: 600;
    box-sizing: border-box;
    transition: border-color .2s ease;
}

.brf-field input::placeholder {
    color: var(--brf-muted);
    opacity: 1;
}

.brf-field input:focus { border-bottom-color: #df6b62; }

.brf-submit {
    display: block;
    width: 100%;
    min-height: 54px;
    margin: 35px 0 0;
    padding: 12px 25px;
    border: 0;
    border-radius: 999px;
    background: var(--brf-green);
    color: #fff;
    font: inherit;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(18px, 2.3vw, 23px);
    line-height: 1.2;
    cursor: pointer;
    box-shadow: 0 3px 7px rgba(0, 0, 0, .2);
    transition: transform .15s ease, filter .15s ease;
}

.brf-submit:hover { filter: brightness(.93); }
.brf-submit:active { transform: translateY(1px); }
.brf-submit:focus-visible { outline: 3px solid rgba(8, 127, 98, .3); outline-offset: 3px; }

.brf-alert {
    margin: 0 0 18px;
    padding: 13px 16px;
    border-radius: 6px;
    font-weight: 600;
}
.brf-alert-success { background: #d1e7dd; color: #0f5132; }
.brf-alert-error { background: #f8d7da; color: #842029; }

.brf-honeypot {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

@media (max-width: 600px) {
    .brf-wrap { padding-inline: 10px; }
    .brf-title { margin-bottom: 20px; }
    .brf-intro { margin-left: 2px; }
    .brf-field { padding: 20px 16px 16px; }
    .brf-field input { font-size: 16px; }
    .brf-submit { margin-top: 24px; min-height: 52px; }
}