.calculator {
    position: relative;
    padding: clamp(64px, 8vw, 120px) 0;
    background: var(--white);
}

.calculator__inner {
    width: min(100%, calc(var(--container) + var(--container-pad) * 2));
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.calculator__heading {
    max-width: 640px;
}

.calculator__title {
    margin: 0;
    font-family: var(--font-main);
    font-weight: 400;
    font-size: clamp(2.2rem, 4.5vw, 3.25rem);
    line-height: 1.1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink);
}

.calculator__subtitle {
    margin: var(--container-pad) 0 0;
    font-size: var(--fs-lead);
    line-height: 1.6;
    color: var(--muted);
}

.calculator__wrap {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(20px, 3vw, 40px);
    margin-top: clamp(32px, 4vw, 56px);
}

.calculator__form {
    display: flex;
    flex-direction: column;
    gap: clamp(20px, 2.5vw, 28px);
    padding: clamp(24px, 3vw, 40px);
    border-radius: var(--radius-lg);
    background: var(--bg-soft);
}

.calculator__field {
    display: block;
}

.calculator__label {
    display: block;
    margin-bottom: 10px;
    font-size: var(--fs-small);
    font-weight: 700;
    color: var(--muted);
}

.calculator__input {
    display: block;
    width: 100%;
    height: 56px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--white);
    font-family: var(--font-main);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    font-weight: 700;
    color: var(--ink);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.calculator__input::-webkit-outer-spin-button,
.calculator__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calculator__input[type='number'] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.calculator__input::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

.calculator__input:hover {
    border-color: var(--green-soft);
}

.calculator__input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 4px var(--green-light);
}

.calculator__result {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(24px, 3vw, 40px);
    border-radius: var(--radius-lg);
    background: var(--green-dark);
    box-shadow: var(--shadow);
}

.calculator__result-label {
    margin: 0;
    font-size: var(--fs-small);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
}

.calculator__result-value {
    margin-top: 12px;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--white);
}

.calculator__summary {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 28px 0 0;
    padding: 20px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.calculator__summary-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
}

.calculator__summary-row dt {
    font-size: var(--fs-small);
    color: rgba(255, 255, 255, 0.72);
}

.calculator__summary-row dd {
    margin: 0;
    font-weight: 700;
    color: var(--white);
    white-space: nowrap;
}

.calculator__cta {
    margin-top: 28px;
}

@media (max-width: 1024px) {
    .calculator__wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .calculator__summary-row {
        flex-direction: column;
        gap: 2px;
    }
}