.tools-page { background: var(--bg); }
.tools-hero { min-height: 68svh; display: flex; flex-direction: column; justify-content: end; padding-block: clamp(90px, 12vw, 180px) clamp(70px, 8vw, 120px); }
.tools-hero h1 { max-width: 11ch; font-size: var(--display); font-weight: 490; line-height: .94; letter-spacing: -.062em; }
.tools-hero > p:last-child { max-width: 47ch; margin: 42px 0 0 auto; font-size: var(--lead); }
.calculator-shell { display: grid; grid-template-columns: minmax(0, .7fr) minmax(420px, 1.3fr); background: var(--surface); }
.calculator-copy, .calculator-form, .calculator-result { padding: clamp(48px, 6vw, 90px) var(--margin); }
.calculator-copy { background: var(--ink); color: var(--paper); }
.calculator-copy h2, .calculator-result h2 { max-width: 10ch; font-size: var(--head); }
.calculator-copy > p:last-child { margin-top: 34px; color: rgba(255,255,255,.76); }
.calculator-form { align-self: stretch; }
.calculator-fields small { color: var(--muted); font-weight: 500; }
.calculator-wide { grid-column: 1 / -1; }
.availability-note { color: var(--muted); font-size: var(--small); }
.field-help { margin: 18px 0 24px; }
.calculator-result { grid-column: 1 / -1; background: var(--paper); }
.calculator-result:focus { outline-offset: -5px; }
.result-heading { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items: end; }
.result-heading p:last-child { margin: 0; color: var(--muted); }
.result-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 58px 0 0; background: var(--rule); }
.result-grid > div { min-width: 0; padding: clamp(20px, 3vw, 36px); background: var(--paper); }
.result-grid dt { color: var(--muted); font-size: var(--small); }
.result-grid dd { margin: 24px 0 5px; overflow-wrap: anywhere; font-size: clamp(1.75rem, 3vw, 3.5rem); font-weight: 600; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.result-grid small { display: block; color: var(--muted); }
.result-grid .target-result { grid-column: span 2; background: var(--accent); color: var(--accent-ink); }
.result-grid .target-result dt, .result-grid .target-result small { color: rgba(255,255,255,.74); }
.result-boundary { margin: 28px 0 0; color: var(--muted); }
.tool-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 38px; }
.availability-note { margin: 18px 0 0; }
.formula-section { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(44px, 8vw, 120px); padding-block: clamp(100px, 13vw, 190px); }
.formula-section h2 { max-width: 11ch; font-size: var(--head); }
.formula-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
.formula-grid p { margin: 0; padding: 20px; background: var(--surface); }
.formula-grid strong { display: block; margin-bottom: 8px; }

@media (max-width: 800px) {
  .tools-hero { min-height: 0; }
  .tools-hero h1 { font-size: var(--display); }
  .tools-hero > p:last-child { margin-left: 0; }
  .calculator-shell { grid-template-columns: 1fr; }
  .calculator-fields, .result-heading, .formula-section, .formula-grid { grid-template-columns: 1fr; }
  .calculator-wide { grid-column: auto; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .result-grid .target-result { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .result-grid { grid-template-columns: 1fr; }
  .result-grid .target-result { grid-column: auto; }
}

@media print {
  body.tools-page > header, body.tools-page > footer, .analytics-consent, .tool-actions, .calculator-form .button { display: none !important; }
  body.tools-page > main, body.tools-page > main > * { display: block !important; }
  body.tools-page .calculator-form { display: block !important; }
  body.tools-page .calculator-result[hidden] { display: none !important; }
}