.gk-roi-calculator {
    max-width: 920px;
    margin: 0 auto;
    padding: 32px;
    border-radius: 18px;
    background: var(--gk-bg, #f7f7f7);
    font-family: inherit;
    box-sizing: border-box;
}

.gk-roi-calculator * {
    box-sizing: border-box;
}

.gk-roi-calculator h2 {
    margin-top: 0;
    margin-bottom: 12px;
}

.gk-intro,
.gk-lead-intro {
    margin-bottom: 28px;
    font-size: 1.05rem;
    line-height: 1.5;
}

.gk-grid,
.gk-lead-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.gk-field-row {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(160px, 260px);
    align-items: center;
    gap: 18px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.72);
    font-weight: 600;
}

.gk-field-row-message {
    align-items: start;
}

.gk-field-label {
    line-height: 1.35;
}

.gk-field-control {
    display: block;
    width: 100%;
}

.gk-grid input,
.gk-lead-form input[type="text"],
.gk-lead-form input[type="email"],
.gk-lead-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cfcfcf;
    border-radius: 8px;
    font-size: 1rem;
    background: #fff;
    color: #111;
}

.gk-grid input {
    text-align: right;
}

.gk-lead-form textarea {
    resize: vertical;
    min-height: 110px;
}

.gk-calculate,
.gk-cta,
.gk-submit-lead {
    display: inline-block;
    padding: 14px 22px;
    border: none;
    border-radius: 8px;
    background: var(--gk-primary, #1f4f46);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
}

.gk-calculate:hover,
.gk-cta:hover,
.gk-submit-lead:hover {
    opacity: 0.9;
    color: #fff;
}

.gk-submit-lead:disabled {
    opacity: 0.65;
    cursor: wait;
}

.gk-result {
    margin-top: 32px;
    padding: 28px;
    border-radius: 16px;
    background: var(--gk-card, #fff);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.gk-result[hidden] {
    display: none;
}

.gk-result h3 {
    margin-top: 0;
}

.gk-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 24px 0;
}

.gk-result-grid div {
    padding: 18px;
    border-radius: 12px;
    background: rgba(31, 79, 70, 0.08);
}

.gk-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: #555;
}

.gk-result-grid strong {
    font-size: 1.55rem;
    color: #111;
}

.gk-summary {
    font-size: 1.05rem;
    line-height: 1.55;
}

.gk-note {
    margin-top: 10px;
    font-size: 0.92rem;
    color: #666;
}

.gk-lead-form {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.gk-privacy {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 8px 0 20px;
    font-size: 0.95rem;
    line-height: 1.45;
}

.gk-privacy input {
    margin-top: 4px;
}

.gk-form-message {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    font-weight: 600;
}

.gk-form-message[hidden] {
    display: none;
}

.gk-form-message.is-success {
    background: rgba(31, 79, 70, 0.12);
    color: #1f4f46;
}

.gk-form-message.is-error {
    background: rgba(170, 40, 40, 0.12);
    color: #8a1f1f;
}

@media (max-width: 700px) {
    .gk-result-grid {
        grid-template-columns: 1fr;
    }

    .gk-field-row {
        grid-template-columns: 1fr;
        gap: 8px;
        align-items: stretch;
    }

    .gk-grid input {
        text-align: left;
    }

    .gk-roi-calculator {
        padding: 22px;
    }
}