.calculator {
    padding: clamp(40px, 6vw, 88px) 0;
}

.calculator__inner {
    display: grid;
    gap: 32px;
}

.calculator__step {
    display: flex;
    align-items: center;
    gap: 10px;
}

.calculator__step-number {
    display: inline-grid;
    width: 26px;
    height: 26px;
    place-items: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--fs-d-text-s);
    font-weight: var(--font-weight-bold);
}

.calculator__step-title,
.calculator__result-label {
    margin: 0;
    letter-spacing: 0;
    text-transform: uppercase;
}

.calculator__type-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.calculator__type-option {
    min-height: 56px;
}

.calculator__type-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.calculator__type-label {
    display: grid;
    min-height: 56px;
    place-items: center;
    padding: 12px 16px;
    border: 1px solid var(--color-primary-light);
    border-radius: 8px;
    background: var(--color-white);
    color: var(--color-heading);
    text-align: center;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease;
}

.calculator__type-input:checked + .calculator__type-label {
    border-color: var(--color-primary-light);
    background: var(--color-bg);
}

.calculator__type-input:focus-visible + .calculator__type-label {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

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

.calculator__measurement {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 18px 24px;
    padding: clamp(24px, 3vw, 32px);
    border: 1px solid var(--color-primary-light);
    border-radius: 8px;
    background: var(--color-bg);
}

.calculator__measurement-label {
    align-self: center;
    margin: 0;
    color: var(--color-heading);
    font-size: var(--fs-d-text-s);
    text-transform: uppercase;
}

.calculator__measurement-value {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: var(--color-heading);
    font-size: clamp(42px, 5vw, 56px);
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.calculator__measurement-value small {
    font-size: var(--fs-d-text-m);
    font-weight: var(--font-weight-regular);
}

.calculator__range {
    grid-column: 1 / -1;
    width: 100%;
    height: 28px;
    margin: 0;
    appearance: none;
    background: transparent;
    --range-fill: 0%;
}

.calculator__range::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-primary) 0 var(--range-fill), var(--color-border) var(--range-fill) 100%);
}

.calculator__range::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    margin-top: -8px;
    appearance: none;
    border: 3px solid var(--color-white);
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
}

.calculator__range::-moz-range-track {
    height: 4px;
    border-radius: 999px;
    background: var(--color-border);
}

.calculator__range::-moz-range-progress {
    height: 4px;
    border-radius: 999px;
    background: var(--color-primary);
}

.calculator__range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-white);
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
}

.calculator__range-limits {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    color: var(--color-heading);
    font-size: var(--fs-d-text-s);
}

.calculator__note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    max-width: 960px;
    margin: -10px 0 0;
    color: var(--color-heading);
}

.calculator__note-icon {
    display: inline-grid;
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    place-items: center;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.calculator__actions,
.calculator__result-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
}

.calculator__reset {
    min-width: 164px;
}

.calculator__result {
    display: grid;
    grid-template-columns: minmax(280px, 0.85fr) 1.35fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
    padding: clamp(28px, 4vw, 40px);
    border-radius: 8px;
    background: var(--color-secondary);
    color: var(--color-white);
}

.calculator__result-price {
    display: grid;
    gap: 18px;
}

.calculator__price {
    margin: 0;
    font-size: clamp(30px, 4vw, 42px);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
}

.calculator__result-small {
    margin: 0;
}

.calculator__result-details {
    display: grid;
    grid-template-columns: 1.4fr 0.5fr 0.5fr;
    gap: 28px;
    padding-left: clamp(28px, 5vw, 56px);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.calculator__result-value {
    margin: 10px 0 0;
    font-size: var(--fs-d-text-l);
    font-weight: var(--font-weight-bold);
}

.calculator__result-actions {
    grid-column: 1 / -1;
}

.calculator__quote-status {
    flex-basis: 100%;
    margin: 0;
    font-size: var(--fs-d-text-s);
}

.calculator__quote-status[data-status="success"] {
    color: #d7ffd8;
}

.calculator__quote-status[data-status="error"] {
    color: #ffd7d7;
}

.calculator__quote-link.is-loading {
    opacity: 0.72;
    pointer-events: none;
}

.calculator-page-content {
    padding-bottom: clamp(40px, 6vw, 88px);
}

@media (max-width: 960px) {
    .calculator__type-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calculator__measurement-grid,
    .calculator__result {
        grid-template-columns: 1fr;
    }

    .calculator__result-details {
        padding-left: 0;
        border-left: 0;
    }
}

@media (max-width: 640px) {
    .calculator__type-grid,
    .calculator__result-details {
        grid-template-columns: 1fr;
    }

    .calculator__measurement {
        grid-template-columns: 1fr;
    }

    .calculator__measurement-value {
        justify-content: flex-start;
    }
}