.data-tool-page { background: var(--paper); }
.data-tool-hero { padding: 78px 0 54px; background: linear-gradient(135deg, #f3f5f6 0%, #fff 62%); border-bottom: 1px solid var(--line); }
.data-tool-hero h1 { max-width: 820px; margin: 14px 0 20px; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.04; letter-spacing: -.045em; }
.data-tool-hero .lede { max-width: 700px; margin: 0; color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.data-tool-hero__note { max-width: 640px; margin: 20px 0 0; font-size: 15px; line-height: 1.65; color: var(--ink); }
.data-tool-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 28px; align-items: start; padding-top: 48px; padding-bottom: 72px; }
.data-tool-panel { min-width: 0; padding: 28px; border: 1px solid var(--line); background: #fff; box-shadow: 0 18px 45px rgba(19,24,32,.06); }
.data-tool-panel h2 { margin: 0 0 10px; font-size: 28px; letter-spacing: -.025em; }
.data-tool-panel > p { margin: 0 0 24px; color: var(--muted); line-height: 1.65; }
.calculator-form { display: grid; gap: 18px; }
.calculator-primary-grid, .calculator-advanced-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.calculator-field { min-width: 0; display: grid; gap: 7px; }
.calculator-field[hidden], .result-grid[hidden], .calculator-summary[hidden], .calculator-copy-row[hidden], .calculator-pilot[hidden] { display: none; }
.calculator-field label, .calculator-field legend { font-size: 14px; font-weight: 750; }
.calculator-field input, .calculator-field select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #cfd5d9; border-radius: 2px; background: #fff; color: var(--ink); }
.calculator-field input:focus, .calculator-field select:focus, .data-tool-panel button:focus-visible, .data-tool-panel a:focus-visible { outline: 3px solid rgba(239,57,48,.25); outline-offset: 2px; border-color: var(--red); }
.calculator-help { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.calculator-error { margin: 0; color: #a3231e; font-size: 12px; line-height: 1.45; }
.calculator-error[hidden], #calculator-errors[hidden] { display: none; }
#calculator-errors, #pilot-errors { margin: 0; padding: 10px 12px; color: #8c201b; background: #fff0ef; border-left: 3px solid var(--red); font-size: 13px; line-height: 1.5; }
#calculator-errors[hidden], #pilot-errors:empty { display: none; }
.calculator-advanced { margin-top: 2px; border-top: 1px solid var(--line); padding-top: 16px; }
.calculator-advanced summary { cursor: pointer; font-weight: 750; }
.calculator-advanced-grid { margin-top: 18px; }
.calculator-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 2px; }
.calculator-cta-row a, .calculator-link { color: var(--red); font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.calculator-results { display: grid; gap: 18px; }
.calculator-status { min-height: 20px; margin: 0; color: var(--muted); font-size: 13px; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.result-card { min-width: 0; padding: 17px; border: 1px solid var(--line); background: #fafbfb; }
.result-card--wide { grid-column: 1 / -1; }
.result-card dt { color: var(--muted); font-size: 12px; line-height: 1.4; }
.result-card dd { margin: 8px 0 0; font-size: clamp(23px, 3vw, 34px); font-weight: 800; letter-spacing: -.035em; overflow-wrap: anywhere; }
.result-card dd.result-small { font-size: 20px; letter-spacing: -.015em; }
.range-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin-top: 9px; }
.range-list span { display: block; padding: 9px; background: #fff; border-top: 2px solid var(--red); font-size: 14px; font-weight: 750; }
.range-list small { display: block; margin-bottom: 4px; color: var(--muted); font-size: 11px; font-weight: 650; }
.calculator-disclosure { padding: 16px 0 0; border-top: 1px solid var(--line); }
.calculator-disclosure summary { cursor: pointer; font-weight: 750; }
.calculator-disclosure p { margin: 11px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.calculator-pilot { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.calculator-pilot h3 { margin: 0 0 8px; font-size: 20px; }
.calculator-pilot > p { margin: 0 0 16px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.pilot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.pilot-grid label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.pilot-grid input { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid #cfd5d9; }
#pilot-status { min-height: 20px; margin: 12px 0 0; color: var(--ink); font-size: 13px; line-height: 1.5; }
.calculator-assumptions { margin: 0; padding: 16px 18px; color: var(--muted); background: #f2f4f4; font-size: 13px; line-height: 1.65; }
.calculator-summary { margin: 0; padding: 15px 17px; background: var(--ink); color: #fff; font-size: 14px; line-height: 1.6; }
.calculator-copy-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.calculator-copy-row button { min-height: 42px; padding: 10px 15px; border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; font-weight: 750; }
#copy-status { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.calculator-boundary { margin: 0; padding: 18px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

@media (max-width: 820px) {
  .data-tool-hero { padding: 54px 0 38px; }
  .data-tool-hero h1 { font-size: clamp(38px, 11vw, 56px); }
  .data-tool-layout { grid-template-columns: 1fr; gap: 18px; padding-top: 28px; padding-bottom: 48px; }
  .data-tool-panel { padding: 20px 16px; }
  .calculator-primary-grid, .calculator-advanced-grid, .result-grid { grid-template-columns: 1fr; }
  .result-card--wide { grid-column: auto; }
  .range-list, .pilot-grid { grid-template-columns: 1fr; }
  .calculator-cta-row { align-items: flex-start; flex-direction: column; }
}