/* yellow3 buyer FAQ. Approved 20 October 2026.
   Deliberately scoped: the existing site header and footer own their styling. */
#y3-faq {
  --faq-paper: #fff;
  --faq-ink: #0e0e0e;
  --faq-body: #4b4b4b;
  --faq-line: #e7e6e2;
  --faq-soft: #f7f6f3;
  --faq-yellow: #ffe000;
  --faq-nav-height: 0px;
  box-sizing: border-box;
  max-width: 1440px;
  margin: 0 auto;
  padding: 56px 64px 96px;
  background: var(--faq-paper);
  color: var(--faq-body);
  font: 400 17px/1.6 Arial, Helvetica, sans-serif;
  -webkit-text-size-adjust: 100%;
}
#y3-faq *, #y3-faq *::before, #y3-faq *::after { box-sizing: border-box; }
#y3-faq * { font-family: Arial, Helvetica, sans-serif; }
#y3-faq [hidden] { display: none !important; }
#y3-faq :where(h1,h2,h3,p,ol,ul,dl,dd) { margin: 0; }
#y3-faq :where(h1,h2,h3) { color: var(--faq-ink); font-weight: 400; }
#y3-faq a { color: var(--faq-ink); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
#y3-faq a:hover { text-decoration-thickness: 2px; text-decoration-color: var(--faq-yellow); }
#y3-faq :where(a,button,input,select,summary):focus-visible { outline: 2px solid var(--faq-ink); outline-offset: 3px; box-shadow: 0 0 0 6px var(--faq-yellow); }
#y3-faq :where(button,input,select) { font: inherit; color: var(--faq-ink); border-radius: 0; }
#y3-faq button, #y3-faq summary, #y3-faq select { cursor: pointer; }
#y3-faq button { appearance: none; }
#y3-faq .y3-faq__eyebrow { font-size: 11px; font-weight: 600; line-height: 1.4; letter-spacing: .09em; text-transform: uppercase; color: var(--faq-body); }
#y3-faq .y3-faq__top { display: grid; grid-template-columns: minmax(0,1fr) 350px; gap: 0 64px; align-items: start; }
#y3-faq .y3-faq__opening { grid-column: 1; grid-row: 1; }
#y3-faq .y3-faq__starts { grid-column: 2; grid-row: 1; }
#y3-faq .y3-faq__search { grid-column: 1 / -1; grid-row: 2; }
#y3-faq .y3-faq__fallback-topics { margin: 24px 0; border-top: 1px solid var(--faq-line); padding-top: 20px; }
#y3-faq .y3-faq__fallback-topics ol { list-style: none; padding: 0; }
#y3-faq .y3-faq__signal { display: block; width: 64px; height: 6px; margin-bottom: 20px; background: var(--faq-yellow); }
#y3-faq h1 { max-width: 920px; margin: 22px 0 24px; font-size: clamp(44px,4.45vw,64px); line-height: 1.04; letter-spacing: -.045em; }
#y3-faq .y3-faq__lead { max-width: 720px; font-size: 20px; line-height: 1.45; }
#y3-faq .y3-faq__meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 28px; font-size: 13px; line-height: 1.5; }
#y3-faq .y3-faq__starts { margin-top: 16px; border-top: 2px solid var(--faq-ink); }
#y3-faq .y3-faq__starts > p { margin: 12px 0 16px; }
#y3-faq .y3-faq__starts ol { padding: 0; list-style: none; }
#y3-faq .y3-faq__starts li { border-bottom: 1px solid var(--faq-line); }
#y3-faq .y3-faq__starts a { display: grid; grid-template-columns: 28px 1fr auto; gap: 16px; align-items: center; min-height: 64px; padding: 15px 0; text-decoration: none; font-size: 17px; line-height: 1.4; }
#y3-faq .y3-faq__starts a:hover { background: var(--faq-soft); }
#y3-faq .y3-faq__start-number { font-size: 12px; color: var(--faq-body); }
#y3-faq .y3-faq__arrow { font-size: 24px; font-weight: 400; line-height: 1; }
#y3-faq .y3-faq__search { margin: 48px 0 0; }
#y3-faq .y3-faq__search label { display: block; margin-bottom: 10px; color: var(--faq-ink); font-size: 16px; font-weight: 600; }
#y3-faq .y3-faq__search-row { display: flex; min-width: 0; }
#y3-faq .y3-faq__input-wrap { display: flex; flex: 1; min-width: 0; align-items: center; gap: 16px; padding-left: 18px; border: 1px solid #8a8a8a; border-right: 0; }
#y3-faq .y3-faq__input-wrap svg { flex: 0 0 22px; }
#y3-faq input[type=search] { min-width: 0; width: 100%; height: 58px; padding: 0 14px 0 0; background: var(--faq-paper); border: 0; font-size: 16px; box-shadow: none; }
#y3-faq input::placeholder { color: var(--faq-body); opacity: 1; }
#y3-faq .y3-faq__search-submit { min-width: 118px; min-height: 58px; padding: 12px 24px; border: 1px solid var(--faq-yellow); background: var(--faq-yellow); color: var(--faq-ink); font-size: 16px; font-weight: 600; }
#y3-faq .y3-faq__search-submit:hover { border-color: var(--faq-ink); }
#y3-faq .y3-faq__search-status { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; min-height: 38px; margin-top: 6px; font-size: 13px; }
#y3-faq .y3-faq__search-status.is-idle { min-height: 0; margin-top: 0; }
#y3-faq .y3-faq__search-status.is-idle #faq-search-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
#y3-faq input[type=search]:focus-visible { outline: none; box-shadow: none; }
#y3-faq .y3-faq__input-wrap:focus-within { outline: 2px solid var(--faq-ink); outline-offset: -2px; }
#y3-faq .y3-faq__search-submit:focus-visible { outline: 2px solid var(--faq-ink); outline-offset: -5px; box-shadow: none; }
#y3-faq .y3-faq__text-button { border: 0; background: transparent; padding: 8px 0; min-height: 40px; text-decoration: underline; text-underline-offset: 4px; font-size: 14px; }
#y3-faq .y3-faq__layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 64px; padding-top: 36px; border-top: 1px solid var(--faq-line); }
#y3-faq .y3-faq__index { align-self: start; position: sticky; top: calc(var(--faq-nav-height) + 24px); }
#y3-faq .y3-faq__index .y3-faq__eyebrow { margin-bottom: 20px; }
#y3-faq .y3-faq__index ol { list-style: none; padding: 0; }
#y3-faq .y3-faq__index li { border-bottom: 1px solid var(--faq-line); }
#y3-faq .y3-faq__topic-link { display: grid; grid-template-columns: minmax(0,1fr) 22px; align-items: center; gap: 12px; margin-left: -12px; padding: 15px 12px; border-left: 3px solid transparent; text-decoration: none; font-size: 14px; line-height: 1.4; }
#y3-faq .y3-faq__topic-link[aria-current=true] { background: var(--faq-soft); border-left-color: var(--faq-yellow); }
#y3-faq .y3-faq__topic-link:hover { background: var(--faq-soft); text-decoration: none; }
#y3-faq .y3-faq__topic-count { font-variant-numeric: tabular-nums; text-align: right; }
#y3-faq .y3-faq__method-link { display: inline-block; margin-top: 28px; font-size: 14px; }
#y3-faq .y3-faq__mobile-topic { display: none; }
#y3-faq .y3-faq__content { min-width: 0; }
#y3-faq .y3-faq__topic { margin-bottom: 72px; scroll-margin-top: calc(var(--faq-nav-height) + 24px); }
#y3-faq .y3-faq__anchor-alias { display: block; scroll-margin-top: calc(var(--faq-nav-height) + 24px); }
#y3-faq .y3-faq__topic-heading { margin: 16px 0 12px; font-size: 36px; line-height: 1.12; letter-spacing: -.025em; }
#y3-faq .y3-faq__topic-description { max-width: 72ch; font-size: 17px; }
#y3-faq .y3-faq__topic-tools { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 22px; padding-bottom: 14px; border-bottom: 2px solid var(--faq-ink); font-size: 13px; }
#y3-faq .y3-faq__question { border-bottom: 1px solid var(--faq-line); scroll-margin-top: calc(var(--faq-nav-height) + 28px); }
#y3-faq .y3-faq__question > summary { display: block; position: relative; padding: 24px 36px 24px 0; list-style: none; color: var(--faq-ink); }
#y3-faq .y3-faq__question > summary::-webkit-details-marker { display: none; }
#y3-faq .y3-faq__question > summary::after { content: '+'; position: absolute; right: 0; top: 22px; font-size: 27px; line-height: 1; }
#y3-faq .y3-faq__question[open] > summary::after { content: '−'; }
#y3-faq .y3-faq__question > summary:hover h3 { text-decoration: underline; text-decoration-color: var(--faq-yellow); text-underline-offset: 5px; }
#y3-faq .y3-faq__question h3 { font-size: 20px; line-height: 1.4; letter-spacing: -.012em; }
#y3-faq .y3-faq__answer { padding: 0 0 28px; }
#y3-faq .y3-faq__labels { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 16px; font-size: 11px; line-height: 1.5; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
#y3-faq .y3-faq__answer-copy { display: grid; gap: 16px; max-width: 76ch; overflow-wrap: anywhere; }
#y3-faq .y3-faq__answer-copy ul { padding-left: 24px; }
#y3-faq .y3-faq__answer-copy ol { list-style: none; padding-left: 0; counter-reset: faq-step; }
#y3-faq .y3-faq__answer-copy ol > li { position: relative; padding-left: 44px; counter-increment: faq-step; }
#y3-faq .y3-faq__answer-copy ol > li::before { content: counter(faq-step, decimal-leading-zero); position: absolute; left: 0; top: 0; color: var(--faq-body); font-variant-numeric: tabular-nums; }
#y3-faq .y3-faq__answer-copy li + li { margin-top: 8px; }
#y3-faq .y3-faq__answer-copy strong { font-weight: 600; color: var(--faq-ink); }
#y3-faq .y3-faq__answer-copy h4 { margin: 4px 0 0; color: var(--faq-ink); font-size: 17px; font-weight: 600; }
#y3-faq .y3-faq__actions { margin-top: 24px; padding: 20px 24px; background: var(--faq-soft); border-left: 3px solid var(--faq-yellow); }
#y3-faq .y3-faq__action + .y3-faq__action { margin-top: 16px; }
#y3-faq .y3-faq__action-label { display: block; margin-bottom: 6px; font-size: 11px; line-height: 1.4; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
#y3-faq .y3-faq__sources { margin-top: 24px; font-size: 13px; line-height: 1.6; }
#y3-faq .y3-faq__sources ol { list-style: none; padding: 0; display: grid; gap: 7px; margin-top: 6px; }
#y3-faq .y3-faq__sources a { overflow-wrap: anywhere; }
#y3-faq .y3-faq__answer-links { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-top: 18px; font-size: 14px; }
#y3-faq .y3-faq__guides { display: grid; gap: 8px; }
#y3-faq .y3-faq__copy { margin-left: auto; white-space: nowrap; }
#y3-faq .y3-faq__copy-fallback { flex-basis: 100%; width: 100%; border: 1px solid #8a8a8a; padding: 10px; font-size: 14px; background: var(--faq-paper); }
#y3-faq .y3-faq__table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--faq-line); }
#y3-faq table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
#y3-faq th, #y3-faq td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--faq-line); }
#y3-faq th { font-weight: 600; color: var(--faq-ink); background: var(--faq-soft); }
#y3-faq tr:last-child td { border-bottom: 0; }
#y3-faq .y3-faq__method { padding-top: 32px; border-top: 2px solid var(--faq-ink); scroll-margin-top: calc(var(--faq-nav-height) + 24px); }
#y3-faq .y3-faq__method h2 { font-size: 30px; line-height: 1.2; letter-spacing: -.025em; margin-bottom: 18px; }
#y3-faq .y3-faq__method p + p { margin-top: 16px; }
#y3-faq .y3-faq__method dl { display: grid; grid-template-columns: 140px minmax(0,1fr); gap: 12px 24px; margin: 24px 0; font-size: 15px; }
#y3-faq .y3-faq__method dt { font-weight: 600; color: var(--faq-ink); }
#y3-faq .y3-faq__empty { padding: 28px 0 48px; }
#y3-faq .y3-faq__empty h2 { font-size: 28px; margin-bottom: 12px; }
#y3-faq .y3-faq__sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 1199px) {
  #y3-faq { padding-right: 40px; padding-left: 40px; }
  #y3-faq .y3-faq__top { grid-template-columns: minmax(0,1fr) 280px; column-gap: 40px; }
  #y3-faq .y3-faq__layout { grid-template-columns: 220px minmax(0,1fr); gap: 40px; }
  #y3-faq .y3-faq__topic-heading { font-size: 32px; }
}
@media (max-width: 880px) {
  #y3-faq { padding: 32px 24px 64px; font-size: 16px; line-height: 1.6; }
  #y3-faq .y3-faq__top { display: flex; flex-direction: column; align-items: stretch; }
  #y3-faq .y3-faq__opening { order: 0; }
  #y3-faq .y3-faq__search { order: 1; }
  #y3-faq .y3-faq__starts { order: 2; }
  #y3-faq .y3-faq__opening { grid-area: opening; }
  #y3-faq h1 { max-width: 650px; font-size: 48px; }
  #y3-faq .y3-faq__lead { font-size: 18px; }
  #y3-faq .y3-faq__meta { margin-top: 22px; font-size: 12px; }
  #y3-faq .y3-faq__search { margin-top: 28px; }
  #y3-faq .y3-faq__starts { margin: 24px 0 0; padding-top: 18px; border-top: 1px solid var(--faq-line); }
  #y3-faq .y3-faq__starts ol { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  #y3-faq .y3-faq__starts a { grid-template-columns: minmax(0,1fr) auto; gap: 8px; font-size: 15px; min-height: 64px; }
  #y3-faq .y3-faq__starts li:nth-child(odd) { padding-right: 18px; }
  #y3-faq .y3-faq__starts li:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--faq-line); }
  #y3-faq .y3-faq__start-number { display: none; }
  #y3-faq .y3-faq__starts > p { margin-top: 0; }
  #y3-faq .y3-faq__layout { display: block; padding-top: 0; margin-top: 28px; border-top: 0; }
  #y3-faq .y3-faq__index { display: none; }
  #y3-faq .y3-faq__mobile-topic { display: block; position: sticky; top: var(--faq-nav-height); z-index: 3; padding: 14px 0 18px; margin-bottom: 24px; background: var(--faq-paper); border-bottom: 1px solid var(--faq-line); }
  #y3-faq .y3-faq__mobile-topic label { display: block; margin-bottom: 8px; color: var(--faq-ink); font-weight: 600; font-size: 14px; }
  #y3-faq select { width: 100%; min-height: 50px; padding: 10px 36px 10px 12px; background: var(--faq-paper); border: 1px solid #8a8a8a; font-size: 16px; }
  #y3-faq .y3-faq__topic-position { display: block; margin-top: 5px; font-size: 12px; }
  #y3-faq .y3-faq__topic { scroll-margin-top: calc(var(--faq-nav-height) + 148px); margin-bottom: 56px; }
  #y3-faq .y3-faq__anchor-alias, #y3-faq .y3-faq__method { scroll-margin-top: calc(var(--faq-nav-height) + 148px); }
  #y3-faq .y3-faq__question { scroll-margin-top: calc(var(--faq-nav-height) + 144px); }
  #y3-faq .y3-faq__topic-heading { font-size: 30px; margin-top: 10px; }
  #y3-faq .y3-faq__topic-description { font-size: 16px; }
  #y3-faq .y3-faq__question h3 { font-size: 19px; line-height: 1.4; }
  #y3-faq .y3-faq__question > summary { padding-top: 20px; padding-bottom: 20px; }
  #y3-faq .y3-faq__question > summary::after { top: 19px; }
  #y3-faq .y3-faq__actions { padding: 18px 20px; }
  #y3-faq .y3-faq__answer-links { gap: 6px 20px; }
  #y3-faq .y3-faq__guides { flex-basis: 100%; }
  #y3-faq .y3-faq__copy { margin-left: 0; }
  #y3-faq .y3-faq__method dl { grid-template-columns: 1fr; gap: 4px; }
  #y3-faq .y3-faq__method dd { margin-bottom: 10px; }
  #y3-faq .y3-faq__table-wrap { overflow: visible; border: 0; }
  #y3-faq table, #y3-faq tbody, #y3-faq tr, #y3-faq td { display: block; width: 100%; }
  #y3-faq thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  #y3-faq tr { border: 1px solid var(--faq-line); margin-bottom: 14px; padding: 8px 0; }
  #y3-faq td { padding: 8px 12px; border: 0; }
  #y3-faq td[data-label]::before { content: attr(data-label); display: block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 3px; color: var(--faq-ink); }
  #y3-faq tbody th[scope=row] { display: block; width: 100%; padding: 12px; border: 0; }
}
@media (max-width: 480px) {
  #y3-faq { padding-top: 24px; }
  #y3-faq h1 { font-size: 40px; line-height: 1.04; margin: 20px 0; }
  #y3-faq .y3-faq__desktop-break { display: none; }
  #y3-faq .y3-faq__signal { margin-bottom: 14px; }
  #y3-faq .y3-faq__input-wrap { padding-left: 12px; gap: 10px; }
  #y3-faq .y3-faq__input-wrap svg { flex-basis: 18px; width: 18px; }
  #y3-faq input[type=search] { height: 52px; padding-right: 8px; }
  #y3-faq .y3-faq__search-submit { min-width: 76px; min-height: 52px; padding: 10px 14px; font-size: 15px; }
  #y3-faq .y3-faq__topic-heading { font-size: 28px; }
  #y3-faq .y3-faq__starts li:nth-child(odd) { padding-right: 12px; }
  #y3-faq .y3-faq__starts li:nth-child(even) { padding-left: 12px; }
}
@media (max-width: 350px) {
  #y3-faq { padding-left: 18px; padding-right: 18px; }
  #y3-faq h1 { font-size: 36px; }
  #y3-faq .y3-faq__input-wrap svg { display: none; }
  #y3-faq .y3-faq__starts a { font-size: 14px; }
  #y3-faq select { font-size: 14px; }
}
@media print {
  #y3-faq { max-width: none; padding: 0; font-size: 11pt; }
  #y3-faq .y3-faq__top, #y3-faq .y3-faq__layout { display: block; }
  #y3-faq :where(.y3-faq__starts,.y3-faq__search,.y3-faq__index,.y3-faq__mobile-topic,.y3-faq__topic-tools,.y3-faq__copy) { display: none !important; }
  #y3-faq h1 { font-size: 30pt; }
  #y3-faq .y3-faq__question > summary::after { display: none; }
  #y3-faq .y3-faq__question { break-inside: avoid; }
  #y3-faq .y3-faq__topic { margin-bottom: 24pt; }
  #y3-faq .y3-faq__answer-copy { max-width: none; }
}