.calculator-page {
  background: #eef2f5;
}

.calculator-hero {
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 12% 15%, rgba(46, 120, 183, 0.22), transparent 34%),
    linear-gradient(120deg, #041426, #0a2a4b);
}

.calculator-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 62px;
  align-items: center;
  padding: 66px 0 72px;
}

.calculator-hero h1 {
  margin: 16px 0 22px;
  font-size: clamp(42px, 5.2vw, 68px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.calculator-hero h1 em {
  color: var(--orange-light);
  font-style: normal;
}

.calculator-hero p {
  max-width: 660px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.8;
}

.calculator-hero ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.calculator-hero li {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 12px;
}

.calculator-hero__photo {
  position: relative;
  min-height: 350px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 24px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.32);
}

.calculator-hero__photo::after {
  position: absolute;
  inset: 45% 0 0;
  content: "";
  background: linear-gradient(transparent, rgba(2, 15, 28, 0.82));
}

.calculator-hero__photo img {
  width: 100%;
  height: 100%;
  min-height: 350px;
  object-fit: cover;
}

.calculator-hero__photo span {
  position: absolute;
  z-index: 1;
  right: 20px;
  bottom: 17px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.calculator-workspace {
  padding: 70px 0 82px;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(330px, 0.72fr);
  gap: 24px;
  align-items: start;
}

.calculator-form,
.calculator-result {
  background: #fff;
  border: 1px solid rgba(7, 29, 53, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 55px rgba(7, 29, 53, 0.08);
}

.calculator-form {
  padding: 34px;
}

.calculator-form__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.calculator-form__head--cargo {
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.calculator-form__head small {
  display: block;
  margin-bottom: 5px;
  color: var(--orange);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.calculator-form__head h2 {
  margin: 0;
  color: var(--navy-900);
  font-size: 24px;
}

.calculator-form__head > a {
  color: var(--blue-500);
  font-size: 13px;
  font-weight: 700;
}

.calculator-selects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 23px;
}

.calculator-form label {
  display: grid;
  gap: 8px;
  color: #405264;
  font-size: 12px;
  font-weight: 700;
}

.calculator-form input,
.calculator-form select {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  color: var(--ink);
  background: #f8fafb;
  border: 1px solid #d8e0e6;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.calculator-form input:focus,
.calculator-form select:focus {
  background: #fff;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(46, 120, 183, 0.12);
}

.channel-note,
.cargo-hint {
  color: #607080;
  font-size: 12px;
  line-height: 1.7;
}

.cargo-hint strong {
  color: var(--navy-700);
}

.channel-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: #f2f7fb;
  border-left: 3px solid var(--blue-500);
  border-radius: 7px;
}

.cargo-hint {
  margin: 12px 0 18px;
}

.add-cargo-button,
.remove-cargo-button,
.calculator-reset,
.result-buttons button {
  cursor: pointer;
}

.add-cargo-button {
  padding: 9px 13px;
  color: var(--blue-500);
  background: #f3f8fc;
  border: 1px solid #c9ddea;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 800;
}

.cargo-rows {
  display: grid;
  gap: 13px;
}

.cargo-row {
  min-width: 0;
  margin: 0;
  padding: 17px;
  background: #fbfcfd;
  border: 1px solid #e0e6eb;
  border-radius: 15px;
}

.cargo-row legend {
  padding: 0 6px;
  color: var(--navy-700);
  font-size: 12px;
  font-weight: 900;
}

.cargo-row__grid {
  display: grid;
  grid-template-columns: 0.72fr repeat(4, minmax(78px, 1fr)) auto;
  gap: 10px;
  align-items: end;
}

.cargo-row__grid input {
  min-width: 0;
}

.remove-cargo-button {
  min-height: 48px;
  padding: 0 11px;
  color: #9b4a3f;
  background: #fff7f5;
  border: 1px solid #efd6d1;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 700;
}

.cargo-row:only-child .remove-cargo-button {
  visibility: hidden;
}

.calculator-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
}

.calculator-submit {
  min-width: 170px;
  border: 0;
}

.calculator-reset {
  padding: 10px 4px;
  color: #657585;
  background: transparent;
  border: 0;
  font-size: 13px;
  font-weight: 700;
}

.calculator-result {
  position: sticky;
  top: 100px;
  overflow: hidden;
  padding: 30px;
  color: #fff;
  background:
    radial-gradient(circle at 100% 0, rgba(46, 120, 183, 0.28), transparent 34%),
    linear-gradient(145deg, #071d35, #041426);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 65px rgba(4, 20, 38, 0.2);
}

.calculator-result__eyebrow {
  color: var(--orange-light);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.calculator-result h2 {
  margin: 8px 0 24px;
  font-size: 25px;
}

.result-placeholder {
  display: grid;
  justify-items: center;
  min-height: 250px;
  padding: 34px 16px;
  place-content: center;
  text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 16px;
}

.result-placeholder[hidden],
.result-content[hidden] {
  display: none !important;
}

.result-placeholder span {
  display: grid;
  width: 54px;
  height: 54px;
  color: var(--orange-light);
  border: 1px solid rgba(255, 172, 103, 0.35);
  border-radius: 50%;
  place-items: center;
  font-size: 22px;
  font-weight: 900;
}

.result-placeholder p {
  max-width: 250px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  line-height: 1.75;
}

.result-channel {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.result-channel span {
  font-size: 19px;
  font-weight: 900;
}

.result-channel small {
  color: rgba(255, 255, 255, 0.56);
}

.result-total {
  padding: 23px 0 18px;
}

.result-total small,
.result-eta small {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
}

.result-total strong {
  color: var(--orange-light);
  font-size: clamp(35px, 4vw, 48px);
  letter-spacing: -0.04em;
}

.result-total span {
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
}

.result-total.is-manual strong {
  color: #ffd7b7;
  font-size: 29px;
  letter-spacing: 0;
}

.result-eta {
  padding: 13px 15px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 11px;
}

.result-eta strong {
  font-size: 15px;
}

.result-breakdown {
  display: grid;
  gap: 9px;
  margin: 20px 0 0;
}

.result-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.result-breakdown dt,
.result-breakdown dd {
  margin: 0;
}

.result-breakdown dd {
  color: #fff;
  font-weight: 700;
  text-align: right;
}

.result-warnings {
  display: grid;
  gap: 7px;
  margin-top: 18px;
}

.result-warnings p {
  margin: 0;
  padding: 9px 11px;
  color: #ffe3cf;
  background: rgba(255, 122, 47, 0.1);
  border: 1px solid rgba(255, 172, 103, 0.18);
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.55;
}

.result-warnings p.is-blocker {
  color: #fff0e5;
  background: rgba(214, 67, 43, 0.17);
  border-color: rgba(255, 143, 112, 0.32);
}

.result-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 20px;
}

.result-buttons button,
.result-buttons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 800;
}

.result-buttons button {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.result-buttons a {
  color: var(--navy-950);
  background: var(--orange-light);
}

.calculator-result__foot {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  line-height: 1.6;
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.formula-grid article {
  padding: 26px;
  background: #f6f8fa;
  border: 1px solid #e7ebef;
  border-radius: 16px;
}

.formula-grid article > span {
  color: var(--orange);
  font-size: 11px;
  font-weight: 900;
}

.formula-grid h3 {
  margin: 12px 0 10px;
  color: var(--navy-900);
  font-size: 18px;
}

.formula-grid p {
  margin: 0;
  color: #657585;
  font-size: 13px;
  line-height: 1.75;
}

@media (max-width: 1050px) {
  .calculator-hero__inner {
    grid-template-columns: 1fr 0.75fr;
    gap: 35px;
  }

  .calculator-layout {
    grid-template-columns: 1fr;
  }

  .calculator-result {
    position: static;
  }

  .cargo-row__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .remove-cargo-button {
    width: 100%;
  }

  .formula-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .calculator-hero__inner {
    grid-template-columns: 1fr;
    padding: 48px 0 54px;
  }

  .calculator-hero__photo {
    min-height: 270px;
  }

  .calculator-hero__photo img {
    min-height: 270px;
  }

  .calculator-workspace {
    padding: 45px 0 58px;
  }

  .calculator-form,
  .calculator-result {
    padding: 23px 19px;
    border-radius: 18px;
  }

  .calculator-form__head {
    align-items: flex-start;
  }

  .calculator-form__head--cargo {
    flex-direction: column;
  }

  .calculator-selects,
  .cargo-row__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cargo-row__grid label:nth-child(2) {
    grid-column: span 1;
  }

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

@media (max-width: 460px) {
  .calculator-hero h1 {
    font-size: 39px;
  }

  .calculator-hero ul {
    display: grid;
  }

  .calculator-selects,
  .cargo-row__grid,
  .result-buttons {
    grid-template-columns: 1fr;
  }

  .calculator-form__head:not(.calculator-form__head--cargo) {
    display: block;
  }

  .calculator-form__head > a {
    display: inline-block;
    margin-top: 10px;
  }

  .calculator-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .calculator-submit {
    width: 100%;
  }
}