.price-calculator {
    margin: 0 0 58px;
    padding: 26px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 16px 40px rgba(16, 24, 40, 0.08);
}

.price-calculator-head {
    max-width: 760px;
    margin-bottom: 20px;
}

.price-calculator-head h2 {
    margin: 0;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.08;
}

.price-calculator-head p {
    margin: 12px 0 0;
    color: var(--muted);
    line-height: 1.7;
}

.price-form {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.price-field {
    display: grid;
    gap: 8px;
    color: var(--ink);
    font-weight: 800;
}

.price-field select {
    width: 100%;
    min-height: 54px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 14px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.price-field select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(255, 176, 0, 0.18);
    outline: none;
}

.price-actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(160px, 220px) 1fr;
    align-items: center;
    gap: 14px;
}

.price-result {
    min-height: 54px;
    border-radius: 8px;
    padding: 14px 16px;
    background: #f9fafb;
    color: var(--muted);
    display: flex;
    align-items: center;
    font-weight: 800;
}

.price-result strong {
    color: var(--green);
    font-size: 28px;
}

.price-result.error {
    background: rgba(217, 45, 32, 0.1);
    color: var(--red);
}

@media (max-width: 920px) {
    .price-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .price-form,
    .price-actions {
        grid-template-columns: 1fr;
    }
}