#calculator-section {
  position: relative;
  padding: 92px 0;
  background:
    linear-gradient(180deg, rgba(226, 244, 252, 0.68) 0%, rgba(255, 255, 255, 0.98) 20%, #ffffff 100%);
  overflow: hidden;
}

#calculator-section::before {
  content: "";
  position: absolute;
  top: 48px;
  right: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 179, 225, 0.18) 0%, rgba(78, 179, 225, 0) 72%);
  pointer-events: none;
}

#calculator-section * {
  box-sizing: border-box;
}

#calculator-section .calculator-shell {
  position: relative;
  z-index: 1;
}

#calculator-section .calculator-top {
  display: block;
  margin-bottom: 34px;
}

#calculator-section .calculator-intro,
#calculator-section .panel,
#calculator-section .structure-preview,
#calculator-section .summary-card,
#calculator-section .result-meta__row,
#calculator-section .comparison-row,
#calculator-section .recommendation,
#calculator-section .lead-gate,
#calculator-section .specification-box {
  background: #fff;
  border: 1px solid rgba(0, 49, 66, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 36px rgba(8, 65, 92, 0.08);
}

#calculator-section .calculator-intro {
  padding: 38px 40px;
  max-width: 100%;
}

#calculator-section .calculator-intro .h2-title {
  margin-bottom: 18px;
}

#calculator-section .calculator-lead {
  margin: 0;
  max-width: 780px;
  color: #003142;
  font-size: 19px;
  line-height: 1.65;
}

#calculator-section .calculator-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

#calculator-section .calculator-points span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(37, 169, 221, 0.1);
  color: #003142;
  font-weight: 500;
}

#calculator-section .wizard {
  display: grid;
  gap: 22px;
}

#calculator-section .wizard__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

#calculator-section .wizard-step {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(0, 49, 66, 0.09);
  background: rgba(255, 255, 255, 0.96);
  color: #5d7684;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-weight: 700;
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

#calculator-section .wizard-step:hover {
  color: #003142;
  border-color: rgba(37, 169, 221, 0.24);
  transform: translateY(-1px);
}

#calculator-section .wizard-step--active {
  color: #003142;
  background: linear-gradient(180deg, rgba(78, 179, 225, 0.14) 0%, rgba(255, 255, 255, 0.98) 100%);
  border-color: rgba(37, 169, 221, 0.22);
}

#calculator-section .panel {
  padding: 34px;
}

#calculator-section .wizard-panel {
  display: none;
}

#calculator-section .wizard-panel--active {
  display: block;
}

#calculator-section .panel__header h3,
#calculator-section .panel__header h2,
#calculator-section .structure-preview__header h3,
#calculator-section .result-block h3,
#calculator-section .lead-gate__header h3 {
  margin: 0;
  color: #003142;
}

#calculator-section .panel__header p,
#calculator-section .structure-preview__header p,
#calculator-section .lead-gate__header p,
#calculator-section .send-note {
  margin: 12px 0 0;
  color: #607888;
  line-height: 1.7;
}

#calculator-section .step-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

#calculator-section .structure-preview {
  position: sticky;
  top: 28px;
  padding: 22px;
}

#calculator-section .structure-preview::after {
  content: "";
  display: block;
  width: 100%;
  height: 10px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, #25a9dd 0%, #4eb3e1 55%, rgba(78, 179, 225, 0.1) 100%);
}

#calculator-section .structure-preview img {
  width: 100%;
  display: block;
  margin-top: 18px;
  border-radius: 18px;
  border: 1px solid rgba(0, 49, 66, 0.08);
  background: #f9fdff;
}

#calculator-section .form-grid,
#calculator-section .lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

#calculator-section label {
  display: grid;
  gap: 9px;
}

#calculator-section label span {
  font-size: 14px;
  font-weight: 700;
  color: #003142;
}

#calculator-section .input-hint {
  color: #607888;
  font-size: 13px;
  line-height: 1.45;
  margin-top: -2px;
}

#calculator-section input,
#calculator-section select,
#calculator-section button {
  font: inherit;
}

#calculator-section input,
#calculator-section select {
  width: 100%;
  min-height: 56px;
  padding: 15px 16px;
  border: 1px solid rgba(0, 49, 66, 0.12);
  border-radius: 16px;
  background: #fff;
  color: #003142;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

#calculator-section input:focus,
#calculator-section select:focus {
  border-color: rgba(37, 169, 221, 0.6);
  box-shadow: 0 0 0 4px rgba(78, 179, 225, 0.12);
  transform: translateY(-1px);
}

#calculator-section .form-actions,
#calculator-section .lead-form__actions {
  grid-column: 1 / -1;
}

#calculator-section .field-hidden {
  display: none !important;
}

#calculator-section button,
#calculator-section .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  min-width: 220px;
  padding: 14px 26px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(180deg, #2fb42f 0%, #239423 100%);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(47, 180, 47, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

#calculator-section button:hover,
#calculator-section .button-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px rgba(47, 180, 47, 0.22);
}

#calculator-section .button-secondary {
  background: #fff;
  color: #003142;
  border: 1px solid rgba(0, 49, 66, 0.12);
  box-shadow: none;
}

#calculator-section .button-secondary:hover {
  box-shadow: none;
  border-color: rgba(37, 169, 221, 0.3);
}

#calculator-section .button-link--whatsapp {
  background: linear-gradient(180deg, #24b566 0%, #169150 100%);
}

#calculator-section .wizard-actions,
#calculator-section .send-actions,
#calculator-section .specification-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

#calculator-section .wizard-actions {
  justify-content: flex-end;
  margin-top: 28px;
}

#calculator-section .summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 4px;
}

#calculator-section .summary-card {
  padding: 20px;
}

#calculator-section .summary-card__label {
  margin-bottom: 8px;
  color: #688392;
  font-size: 14px;
}

#calculator-section .summary-card__value {
  color: #003142;
  font-size: 28px;
  font-weight: 700;
}

#calculator-section .result-block {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(0, 49, 66, 0.08);
}

#calculator-section .result-block--compact {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

#calculator-section .alerts,
#calculator-section .result-meta {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
}

#calculator-section .alerts {
  list-style: none;
}

#calculator-section .alerts li {
  padding: 14px 16px;
  border-radius: 16px;
  background: #fff7eb;
  color: #74450b;
  border: 1px solid rgba(181, 111, 18, 0.16);
}

#calculator-section .alerts li.is-ok {
  background: #eef8ff;
  color: #0d5a81;
  border-color: rgba(37, 169, 221, 0.18);
}

#calculator-section .result-meta__row,
#calculator-section .comparison-row,
#calculator-section .specification-box {
  padding: 16px 18px;
}

#calculator-section .comparison-table {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

#calculator-section .comparison-table--head,
#calculator-section .comparison-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 0.8fr;
  gap: 14px;
  align-items: center;
}

#calculator-section .comparison-table--head {
  color: #698290;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#calculator-section .comparison-row--best {
  background: linear-gradient(180deg, rgba(78, 179, 225, 0.09) 0%, rgba(255, 255, 255, 1) 100%);
  border-color: rgba(37, 169, 221, 0.22);
}

#calculator-section .recommendation {
  margin-top: 16px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(37, 169, 221, 0.12), rgba(255, 255, 255, 0.98));
  border-color: rgba(37, 169, 221, 0.18);
}

#calculator-section .recommendation__title {
  color: #25a9dd;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#calculator-section .recommendation__text {
  margin-top: 10px;
  color: #003142;
  line-height: 1.7;
}

#calculator-section .lead-gate {
  padding: 24px;
  background: linear-gradient(180deg, rgba(78, 179, 225, 0.08) 0%, rgba(255, 255, 255, 1) 100%);
}

#calculator-section .specification-reveal[hidden],
#calculator-section #qualityLineField[hidden],
#calculator-section #colorField[hidden] {
  display: none;
}

#calculator-section .specification-box {
  white-space: pre-wrap;
  line-height: 1.7;
  background: #f9fcff;
}

#calculator-section .send-note {
  margin-top: 14px;
}

@media (max-width: 1199px) {
  #calculator-section .step-layout {
    grid-template-columns: 1fr;
  }

  #calculator-section .structure-preview {
    position: static;
  }
}

@media (max-width: 767px) {
  #calculator-section {
    padding: 66px 0;
  }

  #calculator-section .calculator-intro,
  #calculator-section .panel,
  #calculator-section .structure-preview,
  #calculator-section .lead-gate {
    padding: 22px;
  }

  #calculator-section .wizard__steps,
  #calculator-section .form-grid,
  #calculator-section .lead-form,
  #calculator-section .summary,
  #calculator-section .comparison-table--head,
  #calculator-section .comparison-row {
    grid-template-columns: 1fr;
  }

  #calculator-section .comparison-table--head {
    display: none;
  }

  #calculator-section button,
  #calculator-section .button-link {
    width: 100%;
  }

  #calculator-section .wizard-actions,
  #calculator-section .send-actions,
  #calculator-section .specification-actions {
    flex-direction: column;
  }

  #calculator-section .wizard-actions {
    flex-direction: column-reverse;
  }

  #calculator-section .calculator-lead {
    font-size: 17px;
  }
}