.product-story {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--gold) 5%, transparent), transparent 36%),
    var(--void);
}

.product-story__inner,
.method-page {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto;
  padding: clamp(76px, 9vw, 138px) 0;
}

.product-story__header {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 30px 80px;
  align-items: end;
}

.product-story__eyebrow,
.evidence-trace > li > span,
.audience-index > a > span,
.audience-index > a > em,
.access-boundary > span {
  color: var(--gold);
  font: 11px/1.5 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-story h2,
.method-page h1,
.method-page h2 {
  margin: 16px 0 0;
  color: var(--ivory);
  font-family: var(--serif);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.035em;
}

.product-story__header h2 { max-width: 850px; font-size: clamp(46px, 5.2vw, 78px); }
.product-story__header > p { margin: 0 0 5px; color: var(--ash); font-size: 16px; line-height: 1.7; }

.evidence-trace {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: clamp(72px, 8vw, 112px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.evidence-trace::before {
  position: absolute;
  top: -2px;
  left: 0;
  width: 66.666%;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--gold), var(--gold-dim), transparent);
}

.evidence-trace > li { min-height: 250px; padding: 28px 34px 34px 0; border-right: 1px solid var(--line); }
.evidence-trace > li + li { padding-left: 34px; }
.evidence-trace > li:last-child { border-right: 0; }
.evidence-trace h3 { margin: 24px 0 12px; color: var(--ivory); font-size: 24px; font-weight: 450; }
.evidence-trace p { margin: 0; color: var(--ash); font-size: 14px; line-height: 1.7; }

.evidence-ledger,
.method-brief {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 70px;
  margin-top: clamp(72px, 9vw, 132px);
  padding: clamp(38px, 5vw, 72px);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--void-raised) 88%, transparent);
  box-shadow: inset 3px 0 0 var(--gold-dim);
}

.evidence-ledger h2,
.method-brief h2 { font-size: clamp(36px, 4vw, 58px); }
.evidence-ledger dl { margin: 0; }
.evidence-ledger dl > div { padding: 20px 0; border-top: 1px solid var(--line); }
.evidence-ledger dt { color: var(--gold); font: 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.evidence-ledger dd { margin: 9px 0 0; color: var(--ivory); font-size: 16px; line-height: 1.6; }

.audience-index { margin-top: clamp(72px, 9vw, 132px); }
.audience-index > header { max-width: 760px; margin-bottom: 38px; }
.audience-index h2 { font-size: clamp(38px, 4.2vw, 62px); }
.audience-index > a { display: grid; grid-template-columns: minmax(150px, .38fr) 1fr auto; gap: 26px; align-items: center; min-height: 92px; border-top: 1px solid var(--line); color: inherit; text-decoration: none; }
.audience-index > a:last-child { border-bottom: 1px solid var(--line); }
.audience-index > a strong { color: var(--ivory); font-size: 20px; font-weight: 450; }
.audience-index > a em { color: var(--dim); font-style: normal; }
.audience-index > a:hover em { color: var(--gold); }

.method-brief { align-items: end; }
.method-brief p { max-width: 720px; margin: 20px 0 0; color: var(--ash); font-size: 15px; line-height: 1.7; }
.method-brief > a { display: flex; justify-content: space-between; gap: 30px; align-items: center; min-height: 58px; padding: 0 18px; border: 1px solid var(--line-strong); color: var(--ivory); text-decoration: none; }
.method-brief > a:hover { border-color: var(--gold); color: var(--gold); }

.access-boundary { display: grid; grid-template-columns: 220px 1fr auto; gap: 30px; align-items: center; margin-top: 32px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.access-boundary p { margin: 0; color: var(--ash); font-size: 14px; line-height: 1.6; }
.access-boundary a { color: var(--ivory); font-size: 13px; text-decoration: none; }
.access-boundary a:hover { color: var(--gold); }

.method-page { min-height: 70svh; }
.method-hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 70px; align-items: end; padding-bottom: 76px; border-bottom: 1px solid var(--line); }
.method-hero h1 { max-width: 820px; font-size: clamp(54px, 7vw, 96px); }
.method-hero p { margin: 0; color: var(--ash); font-size: 16px; line-height: 1.7; }
.method-section { display: grid; grid-template-columns: minmax(220px, .42fr) minmax(0, 1fr); gap: 70px; padding: 70px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.method-section h2 { font-size: clamp(36px, 4vw, 58px); }
.method-section__body { color: var(--ash); font-size: 15px; line-height: 1.75; }
.method-section__body > :first-child { margin-top: 0; }
.method-gates { margin: 0; padding: 0; list-style: none; counter-reset: gate; }
.method-gates li { position: relative; padding: 21px 0 21px 54px; border-top: 1px solid var(--line); counter-increment: gate; }
.method-gates li::before { position: absolute; left: 0; color: var(--gold); content: counter(gate, decimal-leading-zero); font: 11px var(--mono); }
.method-gates strong { display: block; color: var(--ivory); font-weight: 480; }
.method-gates span { display: block; margin-top: 6px; color: var(--ash); }

@media (max-width: 760px) {
  .product-story__inner,
  .method-page { width: min(100% - 36px, 1280px); }
  .product-story__header,
  .evidence-ledger,
  .method-brief,
  .method-hero,
  .method-section { grid-template-columns: 1fr; gap: 28px; }
  .evidence-trace { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--line-strong); }
  .evidence-trace::before { top: 0; bottom: 33%; left: -2px; width: 3px; height: auto; background: linear-gradient(var(--gold), var(--gold-dim), transparent); }
  .evidence-trace > li,
  .evidence-trace > li + li { min-height: 0; padding: 26px 0 30px 24px; border-top: 1px solid var(--line); border-right: 0; }
  .evidence-ledger,
  .method-brief { padding: 28px 22px; }
  .audience-index > a { grid-template-columns: 1fr; gap: 8px; padding: 19px 0; }
  .access-boundary { grid-template-columns: 1fr; gap: 10px; }
  .method-section { padding: 52px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .product-story *, .method-page * { scroll-behavior: auto; }
}

/* Product controls below the locked hero and radar keep an 11px utility floor. */
.home-profile__lab-link,
.home-profile__intro .eyebrow,
.home-profile__control > label,
.home-profile__control-title,
.home-profile__control-note,
.home-profile__truth span,
.home-profile__truth strong,
.home-profile__truth-link,
.home-axis-lens__footer,
.home-axis-lens__row b,
.home-axis-lens__row small,
.site-foot .action,
.site-foot .foot-disclosure {
  font-size: 11px;
}