.calculator {
  position: relative;
  padding-block: clamp(48px, 5.2083vw, 100px);
  background-color: var(--color-bg-gray);
  overflow: hidden;
  color: var(--color-bg);
}

.calculator__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 658px);
  gap: clamp(24px, 3vw, 60px);
  align-items: start;
}

.calculator__intro {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.calculator__title {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-bg);
}

.calculator__title-accent {
  color: var(--color-orange);
}

.calculator__desc {
  margin: clamp(16px, 1.3vw, 25px) 0 0;
  max-width: 555px;
  font-size: var(--fs-text);
  line-height: 1.35;
  color: var(--color-bg);
}

.calculator__visual {
  position: relative;
  z-index: 0;
  margin-top: clamp(24px, 2vw, 40px);
  max-width: 720px;
  pointer-events: none;
}

.calculator__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.calculator__panel {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 1.8vw, 28px);
  padding: clamp(20px, 1.8229vw, 35px);
  background-color: var(--color-bg);
  border-radius: var(--radius);
  color: var(--color-white);
}

.calculator__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.calculator__panel-title {
  margin: 0;
  font-size: var(--fs-text);
  font-weight: 500;
  line-height: 1.2;
  text-transform: none;
}

.calculator__panel-icon {
  width: clamp(36px, 2.5vw, 48px);
  height: auto;
  flex-shrink: 0;
}

.calculator__row {
  display: grid;
  grid-template-columns: minmax(90px, 140px) minmax(0, 1fr);
  gap: clamp(10px, 1vw, 20px);
  align-items: center;
}

.calculator__label {
  margin: 0;
  font-size: clamp(16px, 1.0938vw, 21px);
  line-height: 1.3;
  color: var(--color-white);
}

.calculator__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.calculator__select,
.calculator__input {
  min-width: 0;
}

.calculator__select {
  position: relative;
  width: 100%;
}

.calculator__select-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: clamp(44px, 2.7604vw, 53px);
  padding: 10px 16px;
  border: 1px solid var(--color-gray-text);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-white);
  font-size: clamp(16px, 1.0938vw, 21px);
  cursor: pointer;
  text-align: left;
}

.calculator__select-icon {
  width: clamp(28px, 2vw, 39px);
  height: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.calculator__select-icon img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.calculator__select-label {
  flex: 1;
}

.calculator__select-chevron {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calculator__select-chevron img {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.calculator__select-trigger.is-open .calculator__select-chevron img,
.calculator__select-trigger[aria-expanded="true"] .calculator__select-chevron img {
  transform: rotate(225deg);
}

.calculator__dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 5;
  padding: 8px 0;
  background: var(--color-gray);
  border: 1px solid var(--color-gray-text);
  border-radius: var(--radius);
}

.calculator__dropdown[hidden] {
  display: none;
}

.calculator__dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 16px;
  color: var(--color-white);
  text-align: left;
  font-size: clamp(15px, 1vw, 18px);
}

.calculator__dropdown-icon {
  display: block;
  width: clamp(28px, 2vw, 39px);
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.calculator__dropdown-item:hover,
.calculator__dropdown-item.is-active {
  background: var(--color-orange);
}

.calculator__dropdown-item:hover .calculator__dropdown-icon,
.calculator__dropdown-item.is-active .calculator__dropdown-icon {
  filter: brightness(0) invert(1);
}

.calculator__input {
  width: 100%;
  min-height: clamp(44px, 2.7604vw, 53px);
  padding: 10px 16px;
  border: 1px solid var(--color-gray-text);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-white);
  font-size: clamp(16px, 1.0938vw, 21px);
}

.calculator__input::placeholder {
  color: var(--color-gray-text);
}

.calculator__input--sm {
  max-width: 168px;
}

.calculator__input--qty {
  max-width: 254px;
  flex: 1;
}

.calculator__route {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}

.calculator__unit,
.calculator__road {
  display: inline-flex;
  border: 1px solid var(--color-gray-text);
  border-radius: var(--radius);
  overflow: hidden;
}

.calculator__unit {
  width: 150px;
  flex-shrink: 0;
}

.calculator__unit-btn,
.calculator__road-btn {
  flex: 1;
  min-height: clamp(44px, 2.7604vw, 53px);
  padding: 8px 12px;
  color: var(--color-white);
  font-size: clamp(16px, 1.0938vw, 21px);
  background: transparent;
}

.calculator__unit-btn.is-active,
.calculator__road-btn.is-active {
  background: var(--color-orange);
}

.calculator__road {
  width: 100%;
}

.calculator__suffix {
  font-size: clamp(16px, 1.0938vw, 21px);
  color: var(--color-white);
}

.calculator__stepper {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  width: 199px;
  max-width: 100%;
  min-height: clamp(44px, 2.7604vw, 53px);
  border: 1px solid var(--color-gray-text);
  border-radius: 10px;
  overflow: hidden;
}

.calculator__stepper-btn,
.calculator__stepper-value {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: clamp(16px, 1.0938vw, 21px);
}

.calculator__stepper-btn {
  border-inline: 1px solid transparent;
}

.calculator__stepper-btn:first-child {
  border-right: 1px solid var(--color-gray-text);
}

.calculator__stepper-btn:last-child {
  border-left: 1px solid var(--color-gray-text);
}

.calculator__options-title {
  margin: 0 0 12px;
  font-size: clamp(16px, 1.0938vw, 21px);
}

.calculator__checks {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 40px);
}

.calculator__check {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: clamp(16px, 1.0938vw, 21px);
  color: var(--color-white);
}

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

.calculator__check-box {
  width: 25px;
  height: 25px;
  border: 1px solid var(--color-gray-text);
  border-radius: 5px;
  flex-shrink: 0;
  position: relative;
}

.calculator__check input:checked + .calculator__check-box::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--color-orange);
  border-radius: 2px;
}

.calculator__submit {
  align-self: flex-start;
  margin-top: auto;
}

.calculator__submit[hidden] {
  display: none;
}

.calculator__result {
  margin: 0;
  min-height: 1.2em;
  font-size: clamp(16px, 1.0938vw, 21px);
  color: var(--color-orange);
}

.calculator__step {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 1.8vw, 28px);
}

.calculator__step[hidden] {
  display: none;
}

.calculator__step--contacts {
  gap: clamp(16px, 1.5vw, 24px);
}

.calculator__panel-title--step2 {
  max-width: 28em;
  font-size: clamp(18px, 1.25vw, 24px);
  font-weight: 500;
  line-height: 1.3;
  text-transform: none;
}

.calculator__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calculator__field-label {
  font-size: clamp(16px, 1.0938vw, 21px);
  color: var(--color-white);
}

.calculator__field .calculator__input.is-invalid,
.calculator__input.is-invalid {
  border-color: var(--color-orange);
}

.calculator__consent {
  align-items: flex-start;
  font-size: clamp(14px, 0.9375vw, 16px);
  line-height: 1.4;
}

.calculator__consent a {
  color: var(--color-orange);
  text-decoration: underline;
}

.calculator__consent.is-invalid .calculator__check-box {
  border-color: var(--color-orange);
}

.calculator__panel.is-step-2 .calculator__panel-head {
  align-items: flex-start;
}

@media (max-width: 1279px) {
  .calculator__layout {
    grid-template-columns: 1fr;
  }

  .calculator__visual {
    display: none;
  }

  .calculator__panel {
    max-width: 720px;
  }
}

@media (max-width: 767px) {
  .calculator__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .calculator__input--sm,
  .calculator__input--qty,
  .calculator__unit,
  .calculator__stepper {
    width: 100%;
    max-width: none;
  }

  .calculator__submit {
    width: 100%;
  }
}