:root {
  --pd-line: #b8b5ac;
  --pd-soft-line: #d0cdc5;
  --pd-dark: #111318;
}

.product-craft *,
.product-case * {
  box-sizing: border-box;
}

.product-craft {
  margin-top: 126px;
  padding-top: 46px;
  border-top: 1px solid var(--pd-line);
}

.product-craft-head {
  margin-bottom: 38px;
  display: grid;
  grid-template-columns: minmax(180px, .42fr) minmax(0, 1.58fr);
  gap: 54px;
  align-items: start;
}

.product-craft-label {
  margin: 7px 0 0;
  color: #706d66;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.product-craft h3 {
  max-width: 720px;
  margin: 0;
  font-family: var(--case-display);
  font-size: clamp(2.55rem, 3.8vw, 4.15rem);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.06em;
  text-transform: uppercase;
}

.product-craft-intro {
  max-width: 690px;
  margin: 18px 0 0;
  color: #5e5c57;
  font-family: var(--case-editorial);
  font-size: clamp(1.08rem, 1.55vw, 1.35rem);
  line-height: 1.5;
}

.product-craft-card {
  min-height: 440px;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  border: 1px solid var(--pd-line);
  background: var(--case-paper);
}

.product-craft-copy {
  min-width: 0;
  width: 100%;
  padding: clamp(34px, 3.7vw, 52px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-craft-meta,
.product-craft-role,
.product-craft-preview-label {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.product-craft-meta { color: var(--case-blue); }

.product-craft-copy > div {
  width: 100%;
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
}

.product-craft-copy h4 {
  max-width: 100%;
  margin: clamp(38px, 4vw, 54px) 0 16px;
  font-family: var(--case-display);
  font-size: clamp(3rem, 4.3vw, 4.9rem);
  font-weight: 700;
  line-height: .86;
  letter-spacing: -.06em;
  text-transform: uppercase;
}

.product-craft-role {
  margin: 0 0 22px;
  color: #706d66;
}

.product-craft-summary {
  max-width: 100%;
  margin: 0 0 24px;
  color: #5e5c57;
  font-size: 1.07rem;
  line-height: 1.68;
}

.product-craft-copy .case-detail-button { margin-top: 4px; }

.product-craft-preview {
  position: relative;
  min-height: 440px;
  padding: clamp(26px, 3.5vw, 48px);
  display: flex;
  overflow: hidden;
  background: var(--pd-dark);
  color: var(--case-paper);
}

.product-craft-preview-frame {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(241, 239, 232, .22);
  background: linear-gradient(145deg, rgba(72, 108, 255, .14), transparent 54%);
}

.product-craft-preview-label { color: var(--case-acid); }

.product-craft-preview-panels {
  height: 72%;
  display: grid;
  grid-template-columns: 1.2fr .82fr .82fr;
  gap: 14px;
  align-items: end;
}

.product-craft-preview-panels span {
  height: 78%;
  border: 1px dashed rgba(241, 239, 232, .32);
  background: rgba(241, 239, 232, .035);
}

.product-craft-preview-panels span:first-child { height: 100%; }
.product-craft-preview-panels span:last-child { height: 62%; }

.product-craft-preview.product-craft-preview--image {
  padding: 0;
  background: #ececea;
}

.product-craft-preview-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.product-craft-card--gated { display: block; }

.product-case-gate-card {
  width: 100%;
  min-height: 440px;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
}

.product-case-gate-intro,
.product-case-gate-access {
  min-width: 0;
  padding: clamp(34px, 3.7vw, 52px);
}

.product-case-gate-intro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--pd-dark);
  color: var(--case-paper);
}

.product-case-gate-intro .product-craft-meta { color: var(--case-acid); }

.product-case-gate-kicker,
.product-case-gate-index,
.product-case-gate-form label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.product-case-gate-kicker { margin: 0 0 13px; color: #a5a59e; }

.product-case-gate-intro h4 {
  margin: 0;
  font-family: var(--case-display);
  font-size: clamp(3.7rem, 6vw, 6.3rem);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.065em;
  text-transform: uppercase;
}

.product-case-gate-access {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--case-paper);
}

.product-case-gate-index { color: var(--case-blue); }

.product-case-gate-access > div { max-width: 590px; margin-top: 52px; }

.product-case-gate-access h5 {
  max-width: 520px;
  margin: 0 0 18px;
  font-family: var(--case-editorial);
  font-size: clamp(1.7rem, 2.5vw, 2.55rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.025em;
}

.product-case-gate-access > div > p,
.product-case-gate-modal-copy > p {
  max-width: 570px;
  margin: 0;
  color: #5e5c57;
  font-size: 1rem;
  line-height: 1.65;
}

.product-case-gate-form { margin-top: 30px; }
.product-case-gate-form label { display: block; margin-bottom: 9px; color: #706d66; }

.product-case-gate-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.product-case-gate-controls input,
.product-case-gate-controls button {
  min-height: 52px;
  border-radius: 0;
  font-family: var(--case-body);
}

.product-case-gate-controls input {
  width: 100%;
  min-width: 0;
  padding: 0 16px;
  border: 1px solid #aaa79f;
  border-right: 0;
  background: transparent;
  color: var(--case-ink);
  font-size: 1rem;
}

.product-case-gate-controls input:focus { position: relative; z-index: 1; outline: 2px solid var(--case-blue); outline-offset: -2px; }
.product-case-gate-controls input[aria-invalid="true"] { border-color: var(--case-red); }

.product-case-gate-controls button {
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border: 1px solid var(--case-ink);
  background: var(--case-ink);
  color: var(--case-paper);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.product-case-gate-controls button:hover,
.product-case-gate-controls button:focus-visible { background: var(--case-blue); border-color: var(--case-blue); }
.product-case-gate-controls button:disabled { cursor: wait; opacity: .55; }

.product-case-gate-status {
  min-height: 20px;
  margin: 9px 0 0!important;
  color: var(--case-red)!important;
  font-size: .78rem!important;
  line-height: 1.45!important;
}

.product-case-gate-request {
  display: inline-block;
  margin-top: 11px;
  color: var(--case-ink);
  font-size: .78rem;
  font-weight: 600;
  text-underline-offset: 5px;
}

.product-case-gate-card.is-unlocked .product-case-gate-form label,
.product-case-gate-card.is-unlocked .product-case-gate-controls input { display: none; }
.product-case-gate-card.is-unlocked .product-case-gate-controls { grid-template-columns: 1fr; }
.product-case-gate-card.is-unlocked .product-case-gate-status { color: #5e5c57!important; }

.product-case-panel--gate { background: var(--case-paper); }

.product-case-gate-modal {
  min-height: calc(100% - 66px);
  padding: clamp(48px, 7vw, 108px);
  display: grid;
  align-items: center;
  background: var(--case-paper);
  color: var(--case-ink);
  font-family: var(--case-body);
}

.product-case-gate-modal-inner {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding-top: 30px;
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr);
  gap: clamp(42px, 8vw, 120px);
  border-top: 1px solid var(--pd-line);
}

.product-case-gate-modal-mark {
  min-height: 270px;
  padding-top: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  color: var(--case-blue);
  font-family: var(--case-display);
  font-size: clamp(4.5rem, 8vw, 8rem);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -.07em;
}

.product-case-gate-modal-mark small {
  color: #706d66;
  font-family: var(--case-body);
  font-size: .7rem;
  letter-spacing: .12em;
}

.product-case-gate-modal-copy { padding-top: 24px; }
.product-case-gate-modal-copy .product-case-gate-kicker { color: var(--case-blue); }

.product-case-gate-modal-copy h1 {
  max-width: 690px;
  margin: 0 0 24px;
  font-family: var(--case-display);
  font-size: clamp(3.4rem, 6.2vw, 6.4rem);
  font-weight: 700;
  line-height: .84;
  letter-spacing: -.065em;
  text-transform: uppercase;
}

.product-case-gate-modal-copy .product-case-gate-form { max-width: 620px; margin-top: 36px; }

.product-case-panel { scroll-behavior: smooth; }

.product-case {
  --pd-gutter: clamp(28px, 5.5vw, 90px);
  overflow: hidden;
  background: var(--case-paper);
  color: var(--case-ink);
  font-family: var(--case-body);
}

.pd-hero,
.pd-section {
  padding-right: var(--pd-gutter);
  padding-left: var(--pd-gutter);
}

.pd-hero {
  padding-top: clamp(58px, 6vw, 88px);
  padding-bottom: clamp(82px, 7.5vw, 112px);
  border-bottom: 1px solid var(--pd-soft-line);
}

.pd-hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
  gap: clamp(44px, 6vw, 88px);
  align-items: end;
}

.pd-eyebrow,
.pd-section-label,
.pd-meta dt,
.pd-tag,
.pd-placeholder span,
.pd-compare-label,
.pd-path-number,
.pd-sequence-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.pd-eyebrow,
.pd-section-label { color: var(--case-blue); }

.pd-eyebrow { margin: 0 0 28px; }

.pd-title {
  max-width: 960px;
  margin: 0;
  font-family: var(--case-display);
  font-size: clamp(4.8rem, 7vw, 7.8rem);
  font-weight: 700;
  line-height: .76;
  letter-spacing: -.08em;
  text-transform: uppercase;
}

.pd-headline {
  max-width: 470px;
  margin: 0 0 34px;
  font-family: var(--case-editorial);
  font-size: clamp(1.55rem, 2.05vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -.035em;
}

.pd-meta {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pd-line);
}

.pd-meta div {
  padding: 12px 0;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--pd-soft-line);
}

.pd-meta dt { color: #77736c; }
.pd-meta dd { margin: 0; font-size: .86rem; }

.pd-tags {
  margin: 34px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.pd-tag {
  padding: 8px 10px;
  border: 1px solid var(--pd-line);
  color: #5e5c57;
  letter-spacing: .08em;
}

.pd-hero-visual { min-height: clamp(560px, 58vw, 830px); margin-top: 54px; }

.pd-hero-visual.pd-hero-visual--video {
  min-height: 0;
  overflow: hidden;
  background: var(--pd-dark);
}

.pd-hero-video {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: contain;
  background: var(--pd-dark);
}

.pd-section {
  padding-top: clamp(82px, 7.6vw, 118px);
  padding-bottom: clamp(82px, 7.6vw, 118px);
  border-bottom: 1px solid var(--pd-soft-line);
}

.pd-section h2,
.pd-section h3,
.pd-section p { margin-top: 0; }

.pd-section h2 {
  max-width: 1040px;
  margin-bottom: 34px;
  font-family: var(--case-display);
  font-size: clamp(2.8rem, 4.05vw, 4.55rem);
  font-weight: 700;
  line-height: .91;
  letter-spacing: -.055em;
  text-transform: uppercase;
}

.pd-section-copy {
  max-width: 720px;
  color: #5e5c57;
  font-size: 1.075rem;
  line-height: 1.78;
}

.pd-section-copy p { margin-bottom: 18px; }
.pd-section-copy p:last-child { margin-bottom: 0; }

.pd-placeholder {
  position: relative;
  min-width: 0;
  min-height: 360px;
  padding: 24px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  overflow: hidden;
  border: 1px dashed rgba(241, 239, 232, .28);
  background: rgba(241, 239, 232, .035);
  color: rgba(241, 239, 232, .72);
  text-align: center;
}

.pd-placeholder::before {
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(241, 239, 232, .08);
  content: "";
  pointer-events: none;
}

.pd-placeholder--light {
  border-color: rgba(11, 12, 14, .22);
  background: rgba(11, 12, 14, .025);
  color: rgba(11, 12, 14, .58);
}

.pd-placeholder--light::before { border-color: rgba(11, 12, 14, .07); }
.pd-placeholder--hero { min-height: inherit; border-style: solid; background: var(--pd-dark); color: var(--case-acid); }
.pd-placeholder small { max-width: 260px; color: currentColor; font-size: .92rem; font-weight: 400; letter-spacing: 0; line-height: 1.5; }

.pd-artifact-media {
  width: 100%;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(11, 12, 14, .1);
  background: #eeeeec;
}

.pd-artifact-media img {
  width: 100%;
  height: auto;
  display: block;
}

.pd-challenge {
  display: grid;
  grid-template-columns: minmax(180px, .38fr) minmax(0, 1.62fr);
  gap: 54px;
}

.pd-challenge .pd-section-label { margin: 8px 0 0; }

.pd-inherited {
  display: grid;
  grid-template-columns: minmax(340px, .76fr) minmax(0, 1.24fr);
  gap: clamp(50px, 6vw, 82px);
  background: var(--pd-dark);
  color: var(--case-paper);
}

.pd-inherited .pd-section-label { color: var(--case-acid); }
.pd-inherited .pd-section-copy { color: var(--case-muted); }
.pd-inherited h2 { font-size: clamp(2.65rem, 3.35vw, 3.8rem); }
.pd-inherited-visual { min-width: 0; }
.pd-inherited-visual .pd-placeholder { min-height: 650px; }

.pd-callouts {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(241, 239, 232, .2);
}

.pd-callout {
  min-height: 84px;
  padding: 18px 16px 18px 0;
  display: flex;
  align-items: flex-end;
  border-bottom: 1px solid rgba(241, 239, 232, .2);
  color: var(--case-muted);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.pd-callout:nth-child(even) { padding-left: 16px; border-left: 1px solid rgba(241, 239, 232, .2); }

.pd-research-top {
  display: grid;
  grid-template-columns: minmax(340px, .86fr) minmax(0, 1.14fr);
  gap: clamp(50px, 6vw, 82px);
  align-items: end;
}

.pd-research h2 { font-size: clamp(2.7rem, 3.55vw, 4rem); }

.pd-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--pd-line);
}

.pd-metric {
  min-height: 180px;
  padding: 24px 20px 20px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pd-metric + .pd-metric { padding-left: 20px; border-left: 1px solid var(--pd-line); }
.pd-metric strong { font-family: var(--case-editorial); font-size: clamp(3.4rem, 5.5vw, 6rem); font-weight: 400; line-height: 1; letter-spacing: -.07em; }
.pd-metric.pd-metric--qualitative strong { max-width: 190px; font-family: var(--case-body); font-size: clamp(1.15rem, 1.7vw, 1.5rem); font-weight: 700; line-height: 1.05; letter-spacing: .06em; text-transform: uppercase; }
.pd-metric span { max-width: 150px; color: #706d66; font-size: .72rem; font-weight: 700; letter-spacing: .08em; line-height: 1.4; text-transform: uppercase; }
.pd-research-artifact { min-height: 640px; margin: 64px 0 0 12%; }
.pd-research-artifact--has-media { min-height: 0; }

.pd-comparison {
  background: var(--case-paper);
  color: var(--case-ink);
}

.pd-comparison .pd-section-label { color: var(--case-blue); }
.pd-comparison h2 { max-width: 850px; font-size: clamp(2.7rem, 3.55vw, 4rem); }

.pd-compare-grid {
  margin-top: 56px;
  border-top: 1px solid var(--pd-line);
}

.pd-compare-head,
.pd-compare-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
  gap: 24px;
}

.pd-compare-head {
  min-height: 76px;
  align-items: center;
  color: #706d66;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.pd-compare-head span:nth-child(2) { color: var(--case-blue); font-family: var(--case-editorial); font-size: 1.7rem; font-weight: 400; text-align: center; }
.pd-compare-pair { min-height: 122px; align-items: stretch; border-top: 1px solid var(--pd-soft-line); }
.pd-compare-pair p { margin: 0; padding: 28px 0; display: flex; align-items: center; font-family: var(--case-editorial); font-size: clamp(1.32rem, 1.75vw, 1.65rem); line-height: 1.35; }
.pd-compare-pair small { display: none; }
.pd-compare-assumption { color: #696761; }
.pd-compare-learning { position: relative; color: var(--case-ink); }
.pd-compare-learning::before { position: absolute; top: 22px; bottom: 22px; left: -18px; width: 3px; background: var(--case-blue); content: ""; }
.pd-compare-arrow { display: grid; place-items: center; color: var(--case-blue); font-family: var(--case-editorial); font-size: 1.9rem; }

.pd-turning {
  padding-top: clamp(130px, 11vw, 178px);
  padding-bottom: clamp(130px, 11vw, 178px);
  background: var(--case-blue);
  color: #fff;
}

.pd-turning .pd-section-label { margin-bottom: 82px; color: var(--case-acid); }
.pd-turning-stage { max-width: 1050px; }
.pd-turning-stage--insight { max-width: 960px; margin-left: auto; }
.pd-turning-stage-label { display: block; margin-bottom: 24px; color: rgba(255, 255, 255, .72); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.pd-turning-statement { max-width: 1050px; margin: 0; font-family: var(--case-display); font-size: clamp(3.7rem, 5.3vw, 6rem); font-weight: 700; line-height: .84; letter-spacing: -.065em; text-transform: uppercase; }
.pd-turning-statement--answer { color: var(--case-acid); font-family: var(--case-editorial); font-size: clamp(3.25rem, 4.8vw, 5.35rem); font-weight: 400; line-height: .96; letter-spacing: -.05em; text-transform: none; }
.pd-turning-arrow { display: block; margin: clamp(62px, 6vw, 92px) 0; color: rgba(255, 255, 255, .78); font-family: var(--case-editorial); font-size: 2.1rem; }
.pd-turning-reframe { margin-top: 0; }
.pd-shift { margin-top: 22px; padding-top: 28px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; border-top: 1px solid rgba(255, 255, 255, .42); font-size: clamp(1rem, 1.55vw, 1.35rem); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.pd-shift span:nth-child(2) { color: var(--case-acid); font-family: var(--case-editorial); font-size: 2.4rem; font-weight: 400; }
.pd-shift span:last-child { text-align: right; }
.pd-turning-note { max-width: 620px; margin: 36px 0 0 auto; color: rgba(255, 255, 255, .76); font-size: 1.05rem; line-height: 1.65; }

.pd-architecture-top {
  display: grid;
  grid-template-columns: minmax(340px, .88fr) minmax(0, 1.12fr);
  gap: clamp(50px, 6vw, 82px);
}

.pd-architecture h2 { font-size: clamp(2.7rem, 3.55vw, 4rem); }
.pd-concepts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.pd-concept { padding-top: 22px; border-top: 1px solid var(--pd-line); }
.pd-concept strong { display: block; margin-bottom: 12px; color: var(--case-blue); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.pd-concept p { margin: 0; font-family: var(--case-editorial); font-size: clamp(1.35rem, 2vw, 1.9rem); line-height: 1.2; }
.pd-architecture-visual { min-height: 700px; margin-top: 64px; }
.pd-architecture-visual--has-media { min-height: 0; }

.pd-paths {
  background: var(--case-paper);
  color: var(--case-ink);
}

.pd-paths .pd-section-label { color: var(--case-blue); }
.pd-paths h2 { max-width: 820px; font-size: clamp(2.7rem, 3.55vw, 4rem); }
.pd-path-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--pd-line); }
.pd-path { min-height: 440px; padding: 26px 24px 30px 0; display: flex; flex-direction: column; border-bottom: 1px solid var(--pd-line); }
.pd-path + .pd-path { padding-left: 24px; border-left: 1px solid var(--pd-line); }
.pd-path-number { color: var(--case-blue); }
.pd-path h3 { margin: 42px 0 14px; font-family: var(--case-display); font-size: clamp(1.65rem, 2vw, 2.25rem); line-height: .98; letter-spacing: -.04em; text-transform: uppercase; }
.pd-path p { margin: 0; color: #696761; font-size: .98rem; line-height: 1.6; }
.pd-mini-flow { min-height: 150px; margin-top: 48px; padding: 30px 0; display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--pd-soft-line); }
.pd-mini-flow i { width: 21px; height: 21px; flex: 0 0 21px; display: block; border: 1px solid #8f8c85; border-radius: 50%; }
.pd-mini-flow b { height: 2px; flex: 1; background: var(--pd-line); }
.pd-path:nth-child(2) .pd-mini-flow i:last-child,
.pd-path:nth-child(4) .pd-mini-flow i:nth-child(3) { background: var(--case-blue); border-color: var(--case-blue); }

.pd-sequence { background: #e7e4dc; }
.pd-sequence h2 { font-size: clamp(2.7rem, 3.55vw, 4rem); }
.pd-sequence-copy { margin-top: -8px; }
.pd-sequence-grid { margin-top: 64px; display: grid; grid-template-columns: minmax(0, .66fr) auto minmax(0, .92fr) auto minmax(0, 1.3fr); gap: 22px; align-items: end; }
.pd-sequence-step { min-width: 0; }
.pd-sequence-label { display: block; margin-bottom: 16px; color: var(--case-blue); }
.pd-sequence-description { min-height: 4.8em; margin-bottom: 20px; color: #696761; font-size: .9rem; line-height: 1.6; }
.pd-sequence-step .pd-placeholder { min-height: 310px; }
.pd-sequence-step:nth-child(3) .pd-placeholder { min-height: 440px; }
.pd-sequence-step:nth-child(5) .pd-placeholder { min-height: 600px; }
.pd-sequence-arrow { color: var(--case-blue); font-family: var(--case-editorial); font-size: 2.4rem; }

.pd-final {
  background: var(--pd-dark);
  color: var(--case-paper);
}

.pd-final .pd-section-label { color: var(--case-acid); }
.pd-final h2 { max-width: 700px; font-size: clamp(2.8rem, 3.7vw, 4.15rem); }
.pd-final-intro { max-width: 560px; margin-bottom: 54px; color: var(--case-muted); font-size: 1.05rem; line-height: 1.7; }
.pd-final-intro p { margin-bottom: 14px; }
.pd-final-intro p:last-child { margin-bottom: 0; }
.pd-final-grid { min-height: 900px; display: grid; grid-template-columns: 1.4fr .6fr; grid-template-rows: repeat(3, 1fr); gap: 20px; }
.pd-final-grid .pd-placeholder { min-height: 0; }
.pd-final-grid .pd-placeholder:first-child { grid-row: 1 / -1; }

.pd-validation {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(46px, 6vw, 82px);
  align-items: start;
}

.pd-validation { padding-top: clamp(68px, 5.5vw, 84px); padding-bottom: clamp(68px, 5.5vw, 84px); }
.pd-validation h2 { font-size: clamp(2.55rem, 3.25vw, 3.65rem); }
.pd-validation-artifact { min-height: 240px; }
.pd-validation-artifact.pd-artifact-media { min-height: 0; }
.pd-observed { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; }
.pd-observed span { color: #706d66; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.pd-observed strong { color: var(--case-blue); font-family: var(--case-editorial); font-size: 2rem; font-weight: 400; }

.pd-production {
  display: grid;
  grid-template-columns: minmax(180px, .38fr) minmax(0, 1.62fr);
  gap: 54px;
  padding-top: clamp(64px, 5vw, 78px);
  padding-bottom: clamp(64px, 5vw, 78px);
  background: #e7e4dc;
  color: var(--case-ink);
}

.pd-production .pd-section-label { margin-top: 7px; color: var(--case-blue); }
.pd-production h2 { max-width: 720px; font-size: clamp(2.55rem, 3.25vw, 3.65rem); }
.pd-production-copy { max-width: 720px; }
.pd-production blockquote { max-width: 960px; margin: 0; font-family: var(--case-editorial); font-size: clamp(2rem, 2.9vw, 3.25rem); line-height: 1.12; letter-spacing: -.035em; }

.pd-closing { padding-top: clamp(96px, 8vw, 124px); padding-bottom: var(--pd-gutter); }
.pd-closing h2 { max-width: 950px; font-size: clamp(2.7rem, 3.55vw, 4rem); }
.pd-closing-copy { margin-top: 38px; }
.pd-closing-statement { max-width: 980px; margin: 34px 0 0; font-family: var(--case-editorial); font-size: clamp(2.75rem, 4.2vw, 4.75rem); line-height: 1.06; letter-spacing: -.045em; }
.pd-closing-copy + .pd-closing-statement { margin-top: clamp(62px, 6vw, 88px); font-size: clamp(2.45rem, 3.7vw, 4rem); }
.pd-closing-visual { min-height: clamp(680px, 62vw, 900px); margin-top: clamp(70px, 7vw, 104px); }
.product-case-end { border-top: 0; }

@media (hover:hover) and (pointer:fine) {
  .product-craft-card:hover .product-craft-preview-frame { border-color: rgba(216, 255, 79, .72); }
  .product-craft-preview-frame { transition: border-color .25s ease; }
}

@media (max-width: 1000px) {
  .product-craft-card,
  .pd-hero-copy,
  .pd-inherited,
  .pd-research-top,
  .pd-architecture-top,
  .pd-validation { grid-template-columns: 1fr; }
  .product-craft-preview { min-height: 420px; }
  .pd-hero-copy { align-items: start; }
  .pd-headline { margin-top: 0; }
  .pd-inherited-visual .pd-placeholder { min-height: 560px; }
  .pd-research-artifact { min-height: 560px; margin-left: 0; }
  .pd-architecture-visual { min-height: 600px; }
  .pd-path-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-path:nth-child(3) { padding-left: 0; border-left: 0; }
  .pd-path:nth-child(3), .pd-path:nth-child(4) { border-top: 1px solid var(--pd-line); }
  .pd-sequence-grid { grid-template-columns: 1fr; gap: 18px; }
  .pd-sequence-arrow { transform: rotate(90deg); justify-self: center; }
  .pd-sequence-step .pd-placeholder { min-height: 300px; }
  .pd-sequence-step:nth-child(3) .pd-placeholder { min-height: 410px; }
  .pd-sequence-step:nth-child(5) .pd-placeholder { min-height: 540px; }
  .pd-final-grid { min-height: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: auto; }
  .pd-final-grid .pd-placeholder { min-height: 320px; }
  .pd-final-grid .pd-placeholder:first-child { min-height: 600px; grid-row: auto; grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .product-case-overlay { padding: 0; align-items: stretch; background: var(--case-paper); }
  .product-case-panel { width: 100vw; height: 100dvh; box-shadow: none; }
  .product-craft { margin-top: 82px; padding-top: 32px; }
  .product-craft-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 34px; }
  .product-craft h3 { font-size: 2.7rem; }
  .product-craft-card { grid-template-columns: 1fr; min-height: 0; }
  .product-case-gate-card { min-height: 0; grid-template-columns: 1fr; }
  .product-case-gate-intro,
  .product-case-gate-access { min-height: 330px; padding: 28px; }
  .product-case-gate-intro h4 { font-size: 4.35rem; }
  .product-case-gate-access > div { margin-top: 42px; }
  .product-case-gate-access h5 { font-size: 1.8rem; }
  .product-case-gate-modal { min-height: calc(100% - 62px); padding: 44px 18px 60px; align-items: start; }
  .product-case-gate-modal-inner { grid-template-columns: 1fr; gap: 28px; }
  .product-case-gate-modal-mark { min-height: 0; padding-top: 18px; font-size: 4.25rem; }
  .product-case-gate-modal-copy { padding-top: 0; }
  .product-case-gate-modal-copy h1 { font-size: clamp(3.2rem, 15vw, 4.35rem); }
  .product-craft-copy { min-height: 0; padding: 28px; }
  .product-craft-copy h4 { margin-top: 44px; font-size: 3.1rem; }
  .product-craft-summary { font-size: 1rem; line-height: 1.65; }
  .product-craft-preview { min-height: 360px; padding: 18px; }
  .product-craft-preview-frame { padding: 20px; }
  .product-craft-preview-panels { gap: 8px; }
  .pd-hero,
  .pd-section { padding-right: 18px; padding-left: 18px; }
  .pd-hero { padding-top: 46px; padding-bottom: 68px; }
  .pd-hero-copy { gap: 34px; }
  .pd-title { font-size: clamp(3.3rem, 15vw, 4.4rem); line-height: .8; }
  .pd-headline { font-size: 1.38rem; line-height: 1.22; }
  .pd-meta div { grid-template-columns: 62px 1fr; }
  .pd-tags { gap: 6px; }
  .pd-tag { font-size: .64rem; }
  .pd-hero-visual { min-height: 460px; margin-top: 42px; }
  .pd-section { padding-top: 68px; padding-bottom: 68px; }
  .pd-section h2 { font-size: clamp(2.35rem, 10.5vw, 3.1rem); line-height: .94; }
  .pd-section-copy { font-size: 1rem; line-height: 1.72; }
  .pd-challenge,
  .pd-production { grid-template-columns: 1fr; gap: 26px; }
  .pd-inherited { gap: 42px; }
  .pd-inherited-visual .pd-placeholder { min-height: 480px; }
  .pd-callouts { grid-template-columns: 1fr; }
  .pd-callout:nth-child(even) { padding-left: 0; border-left: 0; }
  .pd-metrics { grid-template-columns: 1fr; }
  .pd-metric,
  .pd-metric + .pd-metric { min-height: 132px; padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--pd-line); }
  .pd-metric strong { font-size: 4.4rem; }
  .pd-research-artifact { min-height: 460px; margin-top: 46px; }
  .pd-compare-grid { margin-top: 42px; }
  .pd-compare-head { display: none; }
  .pd-compare-pair { min-height: 0; padding: 28px 0; grid-template-columns: 1fr; gap: 18px; }
  .pd-compare-pair p { min-height: 0; padding: 0; display: block; font-size: 1.3rem; line-height: 1.42; }
  .pd-compare-pair small { margin-bottom: 10px; display: block; color: #77736c; font-family: var(--case-body); font-size: .63rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
  .pd-compare-learning { padding-left: 16px!important; }
  .pd-compare-learning::before { top: 0; bottom: 0; left: 0; }
  .pd-compare-arrow { justify-self: start; transform: rotate(90deg); }
  .pd-turning { padding-top: 104px; padding-bottom: 104px; }
  .pd-turning .pd-section-label { margin-bottom: 58px; }
  .pd-turning-stage-label { margin-bottom: 18px; }
  .pd-turning-statement { font-size: clamp(2.8rem, 12vw, 3.55rem); line-height: .88; }
  .pd-turning-statement--answer { font-size: clamp(2.7rem, 11vw, 3.35rem); line-height: 1; }
  .pd-turning-arrow { margin: 54px 0; }
  .pd-shift { grid-template-columns: 1fr; gap: 14px; margin-top: 18px; }
  .pd-shift span:nth-child(2) { transform: rotate(90deg); justify-self: start; }
  .pd-shift span:last-child { text-align: left; }
  .pd-concepts { grid-template-columns: 1fr; gap: 42px; }
  .pd-architecture-visual { min-height: 480px; margin-top: 48px; }
  .pd-path-grid { grid-template-columns: 1fr; margin-top: 54px; border-top: 0; }
  .pd-path,
  .pd-path + .pd-path,
  .pd-path:nth-child(3) { min-height: 380px; padding: 26px 0; border-top: 1px solid var(--pd-line); border-left: 0; }
  .pd-mini-flow { min-height: 160px; margin-top: 42px; }
  .pd-sequence-grid { margin-top: 52px; }
  .pd-sequence-description { min-height: 0; }
  .pd-sequence-step .pd-placeholder { min-height: 250px; }
  .pd-sequence-step:nth-child(3) .pd-placeholder { min-height: 330px; }
  .pd-sequence-step:nth-child(5) .pd-placeholder { min-height: 430px; }
  .pd-final-intro { margin-bottom: 48px; }
  .pd-final-grid { min-height: 0; grid-template-columns: 1fr; grid-template-rows: none; }
  .pd-final-grid .pd-placeholder { min-height: 320px; grid-row: auto; grid-column: auto; }
  .pd-final-grid .pd-placeholder:first-child { min-height: 500px; grid-row: auto; grid-column: auto; }
  .pd-validation { padding-top: 58px; padding-bottom: 58px; gap: 36px; }
  .pd-observed { grid-template-columns: 1fr; }
  .pd-observed strong { transform: rotate(90deg); justify-self: start; }
  .pd-production blockquote { font-size: 2rem; line-height: 1.16; }
  .pd-production h2 { font-size: 2.3rem; }
  .pd-closing { padding-top: 78px; padding-bottom: 18px; }
  .pd-closing-statement { font-size: 2.65rem; line-height: 1.08; }
  .pd-closing-visual { min-height: 520px; margin-top: 58px; }
}

@media (max-width: 420px) {
  .product-craft h3 { font-size: 2.45rem; }
  .product-craft-copy h4 { font-size: 2.8rem; }
  .product-case-gate-controls { grid-template-columns: 1fr; gap: 8px; }
  .product-case-gate-controls input { border-right: 1px solid #aaa79f; }
  .product-case-gate-card.is-unlocked .product-case-gate-controls { grid-template-columns: 1fr; }
  .pd-title { font-size: 3.15rem; }
  .pd-section h2 { font-size: 2.3rem; }
  .pd-turning-statement { font-size: 2.7rem; }
  .pd-turning-statement--answer { font-size: 2.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  .product-case-panel { scroll-behavior: auto; }
}