.concept-page [hidden] { display: none !important; }
.concept-page { --concept-muted: #c0cada; }
.concept-header { position: fixed; inset: 0 0 auto; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 96px; padding: 24px var(--gutter); background: #171c2640; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.concept-page main { padding-top: 96px; }
.concept-page #main { scroll-margin-top: 96px; }
.concept-header img { display: block; width: 144px; height: auto; }
.concept-header > span { font-size: 14px; color: var(--concept-muted); }
.concept-intro { padding: 56px var(--gutter) 40px; text-align: center; }
.concept-eyebrow { margin-bottom: 20px; color: #a5b1ff; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.concept-intro h1 { font-size: clamp(36px, 5.5vw, 76px); line-height: 1.15; }
.concept-intro > p:last-child { max-width: 580px; margin: 24px auto 0; font-size: 18px; line-height: 1.65; color: var(--concept-muted); }
.concept-wizard { width: min(840px, calc(100% - var(--gutter) * 2)); margin: 0 auto; padding: clamp(24px, 4vw, 48px); border-radius: 24px; background: #172336e6; box-shadow: 0 24px 80px #0003; scroll-margin-top: 120px; }
.concept-progress { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 0 0 24px; margin: 0; list-style: none; border-bottom: 1px solid #ffffff1a; }
.concept-progress li { display: flex; align-items: center; justify-content: center; color: var(--concept-muted); }
.concept-progress li > span { display: grid; place-items: center; width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%; background: #ffffff0d; font-size: 12px; }
.concept-progress [aria-current="step"] { color: white; font-weight: 600; }
.concept-progress [aria-current="step"] > span { background: var(--brand-cta); }
.concept-progress .is-complete > span { background: #7b8cff33; color: #c5ceff; }
.concept-progress li > span { transition: background .25s, color .25s; }
.concept-step-status { margin-block: 24px 12px; font-size: 13px; color: #a5b1ff; }
.concept-page fieldset { min-width: 0; padding: 0; margin: 0; border: 0; }
.concept-page legend { width: 100%; padding: 0; font-family: 'Sora', system-ui, sans-serif; font-size: clamp(24px, 3vw, 32px); line-height: 1.25; font-weight: 600; letter-spacing: -.035em; }
.step-help { margin-top: 16px; color: var(--concept-muted); font-size: 16px; line-height: 1.6; }
.market-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.market-options label { display: flex; align-items: flex-start; gap: 12px; padding: 18px; border: 1px solid #ffffff26; border-radius: 14px; cursor: pointer; background: #ffffff03; }
.market-options label:has(input:checked) { border-color: #a5b1ff; background: #7b8cff1a; }
.market-options label:has(input:focus-visible) { outline: 3px solid #a5b1ff; outline-offset: 3px; }
.market-options input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: #7b8cff; flex-shrink: 0; }
.market-options label > span { min-width: 0; font-size: 15px; font-weight: 500; line-height: 1.4; }
.market-options small { display: block; margin-top: 6px; font-size: 12px; font-weight: 400; line-height: 1.5; color: var(--concept-muted); }
.concept-field { margin-top: 24px; }
.concept-field label { display: block; margin-bottom: 10px; font-size: 15px; font-weight: 500; }
.concept-field label > span { color: var(--concept-muted); font-size: 13px; font-weight: 400; }
.concept-field input, .concept-field textarea { display: block; width: 100%; min-height: 50px; padding: 13px 16px; border: 1px solid #ffffff40; border-radius: 10px; background: #101b2c; color: var(--paper); font: inherit; font-size: 16px; line-height: 1.5; }
.concept-field textarea { resize: vertical; min-height: 190px; }
.concept-field textarea::placeholder { color: #9ba9bf; }
.concept-field input[aria-invalid="true"], .concept-field textarea[aria-invalid="true"] { border-color: #ffb4ad; }
.concept-page button:focus-visible, .concept-field input:focus-visible, .concept-field textarea:focus-visible, .concept-page summary:focus-visible { outline: 3px solid #a5b1ff; outline-offset: 4px; }
.concept-error { margin-top: 8px; color: #ffb4ad; font-size: 14px; line-height: 1.5; }
.concept-error:empty, .concept-status:empty { display: none; }
.concept-status { margin-top: 24px; color: #f9d69c; font-size: 15px; line-height: 1.6; }
.concept-actions { display: flex; align-items: center; justify-content: flex-end; gap: 20px; margin-top: 32px; }
.concept-actions .cta { margin: 0; border: 0; font-family: inherit; font-size: 16px; line-height: 1.5; cursor: pointer; }
.concept-actions .cta:disabled { opacity: .65; cursor: progress; }
.concept-back { margin-right: auto; padding: 12px 4px; background: none; border: 0; color: var(--concept-muted); font: inherit; cursor: pointer; }
.concept-privacy { margin-top: 24px; padding-top: 20px; border-top: 1px solid #ffffff1a; }
.concept-page summary { cursor: pointer; font-size: 14px; line-height: 1.6; }
.concept-privacy p { margin-top: 16px; font-size: 13px; line-height: 1.7; color: var(--concept-muted); }
.concept-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.concept-success { padding-block: 32px; text-align: center; }
.success-mark { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 24px; border-radius: 50%; background: #7b8cff33; color: #b8c3ff; font-size: 32px; }
.concept-success h2 { font-size: clamp(26px, 4vw, 38px); }
.concept-success p, .concept-notice { margin-top: 20px; font-size: 17px; line-height: 1.7; color: var(--concept-muted); }
.concept-solutions { padding: clamp(72px, 10vw, 140px) var(--gutter) 64px; }
.concept-solutions h2 { max-width: 760px; margin-bottom: 40px; font-size: clamp(30px, 4vw, 50px); line-height: 1.2; }
.concept-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.concept-cards .card { min-width: 0; min-height: 320px; padding: 28px; }
.concept-cards h3 { margin: 0; font-family: 'Sora', system-ui, sans-serif; font-size: 24px; font-weight: 600; line-height: 1.25; letter-spacing: -.035em; }
.concept-cards .card p { font-size: 16px; }
.concept-card-link { display: inline-flex; align-items: center; gap: 16px; margin-top: auto; font-size: 15px; font-weight: 600; }
.concept-footer { padding: 16px var(--gutter) 32px; color: var(--concept-muted); font-size: 13px; }
@media (max-width: 1050px) {
  .concept-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .concept-header { height: 80px; }
  .concept-page main { padding-top: 80px; }
  .concept-page #main { scroll-margin-top: 80px; }
  .concept-wizard { scroll-margin-top: 104px; }
}
@media (max-width: 600px) {
  .concept-header { padding-block: 24px; }
  .concept-header img { width: 120px; }
  .concept-header > span { display: none; }
  .concept-intro { padding-top: 32px; text-align: left; }
  .concept-intro h1 { font-size: clamp(30px, 8vw, 44px); }
  .concept-intro > p:last-child { font-size: 16px; }
  .concept-wizard { width: calc(100% - 24px); padding: 24px 18px; border-radius: 18px; }
  .concept-progress { gap: 6px; }
  .market-options { grid-template-columns: minmax(0, 1fr); }
  .market-options label { padding: 16px; }
  .market-options small { margin-top: 4px; }
  .concept-actions { flex-wrap: wrap; gap: 12px; }
  .concept-actions .cta { width: 100%; padding: 16px 18px; }
  .concept-back { padding-left: 0; }
  .concept-actions .is-final { gap: 16px; }
  .concept-actions .is-final #concept-next-label { display: flex; flex-direction: column; line-height: 1.4; }
  .concept-cards { grid-template-columns: minmax(0, 1fr); }
  .concept-cards .card { min-height: 270px; }
}