:root {
  color-scheme: light;
  --paper: #f4f1eb;
  --paper-deep: #ebe7df;
  --ink: #242a29;
  --muted: #626b66;
  --line: #d7d6cf;
  --teal: #08786e;
  --teal-dark: #075e56;
  --error: #9c4438;
  --serif: Georgia, "Times New Roman", serif;
  font-family: Inter, "Avenir Next", Avenir, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input { font: inherit; }
button { color: inherit; }
.demo-ribbon { padding: 8px 18px; background: #e4ebe6; color: #35544e; text-align: center; font-size: 11px; letter-spacing: .09em; }
.site-header { max-width: 1440px; margin: 0 auto; padding: 25px clamp(22px, 5.2vw, 76px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { color: var(--ink); display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 13px; font-weight: 750; letter-spacing: .16em; }
.wordmark-mark { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid var(--teal); color: var(--teal); font: italic 19px var(--serif); letter-spacing: 0; }
.wordmark-light { color: var(--muted); font-weight: 450; }
.header-note { color: var(--muted); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }
main { max-width: 1440px; margin: 0 auto; padding: 0 clamp(22px, 5.2vw, 76px); }
.intro { padding: clamp(43px, 7vw, 89px) 0 clamp(36px, 5vw, 62px); max-width: 620px; }
.eyebrow { margin: 0 0 23px; color: var(--teal-dark); font-size: 11px; text-transform: uppercase; letter-spacing: .17em; display: flex; align-items: center; gap: 11px; }
.eyebrow-rule { width: 25px; height: 1px; background: var(--teal); }
h1 { margin: 0; font: 400 clamp(46px, 6.4vw, 82px)/.98 var(--serif); letter-spacing: -.055em; }
h1 em { color: var(--teal); font-weight: 400; }
.intro-copy { max-width: 460px; margin: 23px 0 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1.38fr) minmax(350px, .78fr); gap: clamp(28px, 5vw, 74px); align-items: start; }
.chair-stage { min-height: 570px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; background: #eae7df; padding: 21px 25px 18px; }
.stage-meta, .stage-footer { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 2; color: #515d57; font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
.chair-image { position: absolute; inset: 44px 3% 37px; display: block; width: 94%; height: calc(100% - 81px); object-fit: contain; object-position: center; }
.stage-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); display: inline-block; margin-right: 8px; }
.stage-footer { justify-content: flex-start; letter-spacing: .08em; }
.stage-index { position: absolute; right: 22px; bottom: 44px; color: #626b66; font: italic 19px var(--serif); }
.spec-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.spec-strip > div { display: flex; gap: 9px; padding: 16px 10px 16px 0; align-items: baseline; color: var(--muted); font-size: 11px; }
.spec-number { color: var(--teal); font-size: 9px; letter-spacing: .1em; }
.config-panel { padding: 25px clamp(21px, 3vw, 37px) 25px; border: 1px solid var(--line); background: #f7f5f0; }
.panel-topline { display: flex; justify-content: space-between; align-items: center; color: #56615b; font-size: 9px; letter-spacing: .16em; text-transform: uppercase; }
.stock-label { display: inline-flex; align-items: center; gap: 6px; color: var(--teal-dark); letter-spacing: .08em; }
.stock-label i { display: inline-block; width: 6px; height: 6px; background: #45957f; border-radius: 50%; }
.product-heading { display: flex; justify-content: space-between; align-items: end; margin-top: 26px; }
.small { margin-bottom: 8px; font-size: 9px; }
.product-heading h2, .quote-header h2 { margin: 0; font: 400 39px/1 var(--serif); letter-spacing: -.04em; }
.product-mark { color: var(--teal); font: italic 29px/1 var(--serif); }
.product-mark span { font: 10px sans-serif; vertical-align: top; letter-spacing: .1em; }
.product-description { min-height: 42px; margin: 16px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.divider { height: 1px; background: var(--line); margin: 21px 0; }
.option-group { min-width: 0; margin: 0 0 22px; padding: 0; border: 0; }
.option-group legend { display: flex; gap: 10px; align-items: center; width: 100%; margin-bottom: 12px; font-size: 12px; font-weight: 650; }
.step-number { color: var(--teal); font-size: 9px; letter-spacing: .1em; }
.color-options { display: flex; gap: 9px; }
.color-choice { min-width: 112px; display: flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid var(--line); cursor: pointer; color: var(--muted); font-size: 11px; transition: border-color .18s, background .18s; }
.color-choice.is-selected, .segment-choice.is-selected { border-color: var(--teal); background: #eef4ef; color: var(--ink); }
.color-choice input, .segment-choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.color-choice:focus-within, .segment-choice:focus-within { outline: 2px solid var(--teal); outline-offset: 2px; }
.swatch { width: 18px; height: 18px; border-radius: 50%; background: var(--swatch); border: 1px solid #7778; box-shadow: inset 0 0 0 2px #ffffff30; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.segment-choice { min-height: 38px; padding: 8px 10px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); cursor: pointer; color: var(--muted); text-align: center; font-size: 10px; line-height: 1.4; transition: border-color .18s, background .18s; }
.caster-options { display: grid; gap: 7px; }
.availability { min-height: 19px; margin: -3px 0 15px; color: var(--teal-dark); font-size: 10px; line-height: 1.5; }
.availability.is-unavailable { color: var(--error); }
.price-line { border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; align-items: center; }
.price-label, .price-note { display: block; }
.price-label { font-size: 11px; font-weight: 650; }
.price-note { margin-top: 4px; color: var(--muted); font-size: 9px; }
.price-line strong { color: var(--teal-dark); font: 400 25px var(--serif); }
.quantity-label { display: block; margin: 21px 0 8px; font-size: 11px; font-weight: 650; }
.quantity-row { display: grid; grid-template-columns: 116px 1fr; gap: 8px; }
.quantity-control { height: 43px; border: 1px solid var(--line); display: grid; grid-template-columns: 35px 1fr 35px; align-items: center; }
.quantity-control button { height: 100%; border: 0; background: transparent; cursor: pointer; color: var(--teal-dark); font-size: 18px; }
.quantity-control input { width: 100%; min-width: 0; text-align: center; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; -moz-appearance: textfield; }
.quantity-control input::-webkit-inner-spin-button, .quantity-control input::-webkit-outer-spin-button { appearance: none; margin: 0; }
.quantity-control input[aria-invalid="true"] { color: var(--error); }
.add-button, .export-button { min-height: 43px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--teal); background: var(--teal); color: #fff; cursor: pointer; font-size: 10px; letter-spacing: .025em; transition: background .2s, border-color .2s; }
.add-button:hover:not(:disabled), .export-button:hover:not(:disabled) { background: var(--teal-dark); border-color: var(--teal-dark); }
button:focus-visible, input:focus-visible { outline: 2px solid #102f2c; outline-offset: 3px; }
button:disabled { opacity: .42; cursor: not-allowed; }
.quantity-hint { margin: 7px 0 0; color: var(--muted); font-size: 9px; }
.form-message { min-height: 16px; margin: 8px 0 0; color: var(--error); font-size: 10px; }
.quote-section { margin-top: clamp(69px, 9vw, 120px); border-top: 1px solid var(--ink); padding-top: 27px; }
.quote-header { display: flex; justify-content: space-between; align-items: end; gap: 25px; }
.quote-header .eyebrow { margin-bottom: 10px; }
.quote-header h2 { font-size: 34px; }
.quote-header > p { max-width: 250px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.quote-count { display: inline-grid; place-items: center; width: 23px; height: 23px; margin-left: 11px; border-radius: 50%; background: #e1e9e4; color: var(--teal-dark); vertical-align: middle; font: 11px sans-serif; letter-spacing: 0; }
.quote-empty { min-height: 117px; margin-top: 23px; padding: 24px; display: flex; align-items: center; gap: 14px; border: 1px dashed #c9cbc4; color: var(--muted); }
.quote-empty p { margin: 0; font-size: 12px; }
.empty-mark { color: var(--teal); font: 23px var(--serif); }
.quote-table-wrap { margin-top: 22px; }
.quote-table { width: 100%; border-collapse: collapse; text-align: left; }
.quote-table th { padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 9px; font-weight: 550; letter-spacing: .1em; text-transform: uppercase; }
.quote-table td { padding: 14px 12px; border-bottom: 1px solid var(--line); font-size: 12px; }
.quote-table td:first-child strong, .quote-table td:first-child small { display: block; }
.quote-table td:first-child small { margin-top: 4px; color: var(--muted); font-size: 10px; }
.remove-line { padding: 5px 7px; border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 10px; text-decoration: underline; text-underline-offset: 3px; }
.quote-total { display: flex; justify-content: flex-end; align-items: baseline; gap: 26px; padding: 20px 12px; }
.quote-total span { color: var(--muted); font-size: 11px; }
.quote-total strong { color: var(--teal-dark); font: 400 22px var(--serif); }
.quote-actions { padding-top: 14px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.quote-actions > p { max-width: 480px; margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.quote-actions > div { display: flex; align-items: center; gap: 14px; }
.text-button { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 10px; text-decoration: underline; text-underline-offset: 4px; }
.export-button { min-width: 142px; }
.export-message { min-height: 16px; margin: 8px 0 0; color: var(--teal-dark); font-size: 10px; text-align: right; }
.site-footer { margin-top: 65px; padding: 20px 0 27px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.site-footer span:first-child { color: var(--ink); font-weight: 700; letter-spacing: .15em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }
@media (max-width: 900px) {
  .product-layout { grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: 22px; }
  .chair-stage { min-height: 520px; padding-inline: 17px; }
  .config-panel { padding-inline: 22px; }
  .spec-strip > div { display: block; font-size: 10px; }
  .spec-number { display: block; margin-bottom: 5px; }
}
@media (max-width: 700px) {
  .site-header { padding-block: 17px; }
  .header-note { font-size: 8px; }
  .intro { padding-top: 48px; }
  .intro-copy { font-size: 13px; }
  .product-layout { grid-template-columns: 1fr; gap: 26px; }
  .chair-stage { min-height: 440px; }
  .config-panel { padding: 23px 20px 19px; }
  .spec-strip > div { display: flex; }
  .spec-number { display: inline; margin: 0; }
  .quote-header { align-items: start; flex-direction: column; gap: 12px; }
  .quote-header > p { max-width: 380px; }
  .quote-table-wrap { overflow-x: auto; }
  .quote-table { min-width: 650px; }
  .quote-actions { align-items: flex-start; flex-direction: column; }
  .quote-actions > div { width: 100%; justify-content: flex-end; }
  .site-footer { flex-wrap: wrap; font-size: 8px; }
}
@media (max-width: 420px) {
  .demo-ribbon { font-size: 9px; letter-spacing: .04em; }
  main { padding-inline: 17px; }
  .site-header { padding-inline: 17px; }
  .wordmark { gap: 7px; font-size: 11px; }
  .header-note { letter-spacing: .06em; }
  h1 { font-size: 50px; }
  .chair-stage { min-height: 370px; padding: 16px 13px; }
  .chair-image { inset: 38px 0 32px; width: 100%; height: calc(100% - 70px); }
  .stage-meta { font-size: 7px; }
  .stage-footer { max-width: calc(100% - 30px); font-size: 8px; letter-spacing: .03em; }
  .stage-index { right: 11px; bottom: 39px; }
  .spec-strip > div { display: block; padding-right: 4px; font-size: 9px; }
  .spec-number { display: block; margin-bottom: 5px; }
  .config-panel { padding-inline: 17px; }
  .quantity-row { grid-template-columns: 104px 1fr; gap: 6px; }
  .add-button { padding-inline: 10px; font-size: 9px; }
  .quote-header h2 { font-size: 30px; }
  .site-footer span:nth-child(2) { width: 100%; order: 3; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }