.calculator-intro { padding-block: 72px 50px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 70px; }
.calculator-intro h1 { font-size: clamp(58px, 8vw, 106px); }
.calculator-intro > p { margin: 0 0 8px; color: #555048; font-size: 18px; line-height: 1.6; }
.header-tool.active { box-shadow: inset 0 0 0 2px var(--white); }
.calculator-layout { display: grid; grid-template-columns: 1.08fr .92fr; align-items: start; gap: 18px; padding-bottom: 84px; }
.calculator-form, .calculator-results { border: 1px solid var(--line); border-radius: var(--radius); }
.calculator-form { padding: clamp(24px, 4vw, 46px); background: var(--white); }
.form-heading { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 34px; }
.form-heading > span { width: 42px; height: 42px; flex: 0 0 42px; display: grid; place-items: center; color: var(--ink); background: var(--acid); border-radius: 50%; font: 700 17px "Oswald", sans-serif; }
.form-heading h2 { font-size: 38px; }
.form-heading p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
fieldset { border: 0; padding: 0; margin: 0 0 24px; }
legend, .field > span:first-child { margin-bottom: 9px; display: block; font-size: 12px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.choice-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.choice-row.goal-choice { grid-template-columns: repeat(3, 1fr); }
.choice-row label { cursor: pointer; }
.choice-row input { position: absolute; opacity: 0; pointer-events: none; }
.choice-row label span { min-height: 48px; display: grid; place-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); text-align: center; font-size: 13px; font-weight: 700; transition: 150ms ease; }
.choice-row input:checked + span { color: var(--ink); background: var(--acid); border-color: var(--acid); box-shadow: inset 0 0 0 2px var(--ink); }
.choice-row input:focus-visible + span { outline: 3px solid #6b4f00; outline-offset: 2px; }
.field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
.field { display: block; }
.field[hidden] { display: none; }
.input-wrap { min-height: 52px; display: flex; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); overflow: hidden; }
.input-wrap input { min-width: 0; width: 100%; border: 0; outline: 0; padding: 14px; background: transparent; font: 700 17px "DM Sans", sans-serif; }
.input-wrap small { padding-right: 13px; color: var(--muted); font-size: 11px; font-weight: 700; }
.height-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.select-field { margin-bottom: 22px; }
.select-field select { width: 100%; min-height: 52px; padding: 0 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--paper); font: 600 14px "DM Sans", sans-serif; }
.calculate-button { width: 100%; margin-top: 5px; }
.form-error { padding: 11px 13px; color: #7b2020; background: #f8dddd; border-radius: 10px; font-size: 13px; font-weight: 700; }
.calculator-results { position: sticky; top: 18px; min-height: 670px; overflow: hidden; padding: clamp(24px, 4vw, 44px); color: var(--white); background: var(--ink); }
.result-placeholder { min-height: 580px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.result-mark { width: 82px; height: 82px; display: grid; place-items: center; margin-bottom: 24px; border: 2px solid var(--acid); border-radius: 50%; color: var(--acid); font: 700 32px "Oswald", sans-serif; transform: rotate(-5deg); }
.result-placeholder h2 { max-width: 400px; font-size: 46px; }
.result-placeholder p { max-width: 390px; color: #aaa69e; line-height: 1.55; }
.result-kicker { margin: 0 0 15px; color: var(--acid); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.primary-result { padding: 25px; border-radius: 16px; color: var(--ink); background: var(--acid); }
.primary-result span, .primary-result small { display: block; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.primary-result span { font-size: 11px; }
.primary-result strong { display: block; margin: 8px 0 4px; font: 600 clamp(42px, 6vw, 58px)/1 "Oswald", sans-serif; }
.primary-result small { font-size: 9px; }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; margin: 12px 0; }
.result-grid > div { padding: 17px; border: 1px solid rgba(255,255,255,.13); border-radius: 13px; }
.result-grid span, .result-grid small { display: block; color: #aaa69e; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.result-grid strong { display: block; margin: 7px 0 3px; color: var(--white); font: 600 27px "Oswald", sans-serif; }
.training-note { padding: 17px; border-left: 3px solid var(--acid); background: rgba(255,255,255,.06); }
.training-note strong { color: var(--acid); font: 600 15px "Oswald", sans-serif; text-transform: uppercase; }
.training-note p { margin: 7px 0 0; color: #d2cec6; font-size: 12px; line-height: 1.5; }
.estimate-note { color: #8e8a83; font-size: 10px; line-height: 1.5; }
.copy-result { width: 100%; padding: 11px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: var(--white); background: transparent; cursor: pointer; font-weight: 700; }
.calculator-cta { margin-bottom: 32px; padding: clamp(30px, 6vw, 68px); display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; color: var(--white); background: var(--ink); border-radius: var(--radius); }
.calculator-cta h2 { max-width: 690px; font-size: clamp(40px, 6vw, 66px); }
.calculator-cta p:not(.eyebrow) { max-width: 620px; color: #aaa69e; line-height: 1.55; }
.cta-actions { display: grid; gap: 10px; min-width: 240px; }
.button-outline { color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.28); }
.calculator-disclaimer { max-width: 900px; padding-block: 15px 50px; color: var(--muted); text-align: center; font-size: 10px; line-height: 1.55; }

@media (max-width: 900px) {
  .calculator-intro, .calculator-layout { grid-template-columns: 1fr; }
  .calculator-intro { gap: 28px; }
  .calculator-results { position: relative; top: 0; min-height: 0; }
  .result-placeholder { min-height: 380px; }
  .calculator-cta { align-items: flex-start; flex-direction: column; }
  .cta-actions { width: 100%; }
}

@media (max-width: 600px) {
  .calculator-intro { padding-block: 54px 35px; }
  .calculator-intro h1 { font-size: clamp(56px, 18vw, 76px); }
  .field-grid { grid-template-columns: 1fr; }
  .choice-row.goal-choice { grid-template-columns: 1fr; }
  .calculator-layout { padding-bottom: 62px; }
  .calculator-form, .calculator-results { border-radius: 17px; }
  .result-grid { grid-template-columns: 1fr; }
}