:root {
  --gsd-gold: #d6ad43;
  --gsd-gold-soft: rgba(214, 173, 67, .12);
  --gsd-gold-line: rgba(214, 173, 67, .34);
}

.personal-brand-logo {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.client-case-study-page {
  background:
    radial-gradient(circle at 80% 5%, rgba(214, 173, 67, .08), transparent 28rem),
    radial-gradient(circle at 8% 42%, rgba(106, 228, 218, .035), transparent 30rem),
    var(--bg);
}

.client-case-study-page .section-code,
.client-case-study-page .case-breadcrumb span,
.client-case-study-page .decision-item > span {
  color: var(--gsd-gold);
}

.case-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 72px) 0 84px;
  border-bottom: 1px solid var(--line);
}

.case-grid-bg {
  position: absolute;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(237, 242, 233, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237, 242, 233, .05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
  pointer-events: none;
}

.case-hero-inner {
  position: relative;
  z-index: 1;
}

.case-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 62px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.case-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.case-breadcrumb a:hover,
.case-breadcrumb a:focus-visible {
  color: var(--text);
}

.case-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  align-items: end;
  gap: 90px;
}

.case-hero-copy h1 {
  max-width: 880px;
  margin: 24px 0 26px;
  font-family: var(--font-display);
  font-size: clamp(66px, 10vw, 138px);
  font-weight: 500;
  letter-spacing: -.08em;
  line-height: .82;
}

.case-hero-copy h1 span {
  color: var(--gsd-gold);
}

.case-hero-lead {
  max-width: 820px;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  letter-spacing: -.035em;
  line-height: 1.25;
}

.case-hero-summary {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.case-hero-actions,
.case-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.client-case-study-page .button-solid {
  border-color: var(--gsd-gold);
  background: var(--gsd-gold);
  color: #0a0905;
}

.client-case-study-page .button-solid:hover,
.client-case-study-page .button-solid:focus-visible {
  border-color: #f1cf70;
  background: #f1cf70;
}

.project-brief {
  border: 1px solid var(--gsd-gold-line);
  background: linear-gradient(145deg, rgba(214, 173, 67, .08), rgba(11, 14, 11, .94) 42%);
}

.project-brief-top {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.project-brief-top strong {
  color: var(--gsd-gold);
  font-size: 12px;
}

.project-brief dl {
  margin: 0;
  padding: 8px 20px 20px;
}

.project-brief dl div {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.project-brief dl div:last-child {
  border-bottom: 0;
}

.project-brief dt {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.project-brief dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 14px;
  text-align: right;
}

.confidentiality-banner {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 36px;
  margin-top: 68px;
  padding: 23px 26px;
  border: 1px solid var(--gsd-gold-line);
  background: var(--gsd-gold-soft);
}

.confidentiality-banner span {
  color: var(--gsd-gold);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.confidentiality-banner p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.case-showcase {
  padding: 72px 0 0;
}

.product-frame {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: #0b0e0b;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .35);
}

.product-frame-hero {
  border-color: var(--gsd-gold-line);
}

.product-frame-bar {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 17px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.product-frame img {
  width: 100%;
  background: #080a08;
}

.product-frame figcaption {
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .055em;
  line-height: 1.65;
  text-transform: uppercase;
}

.case-section {
  padding: 124px 0;
  border-bottom: 1px solid var(--line);
}

.case-section-alt {
  background: linear-gradient(180deg, rgba(214, 173, 67, .025), rgba(9, 12, 9, .72));
}

.case-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  align-items: end;
  gap: 86px;
  margin-bottom: 68px;
}

.case-section-heading h2,
.section-copy h2,
.outcomes-copy h2,
.case-contact-panel h2 {
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -.065em;
  line-height: 1;
}

.case-section-heading h2 em {
  color: var(--gsd-gold);
  font-style: normal;
}

.case-section-heading > p,
.section-copy > p:last-child {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.context-layout {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr);
  gap: 76px;
}

.context-story {
  padding-top: 26px;
  border-top: 1px solid var(--gsd-gold-line);
}

.context-story h3,
.workflow-card h3,
.decision-item h3,
.reflection-card h3,
.private-repository-note h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 500;
  letter-spacing: -.035em;
}

.context-story p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.problem-grid,
.workflow-grid,
.outcome-grid,
.reflection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.problem-card,
.workflow-card,
.outcome-card,
.reflection-card {
  border: 1px solid var(--line);
  background: rgba(16, 20, 16, .72);
}

.problem-card {
  min-height: 245px;
  padding: 24px;
}

.problem-card > span,
.workflow-icon {
  display: inline-grid;
  min-width: 38px;
  min-height: 30px;
  place-items: center;
  border: 1px solid var(--gsd-gold-line);
  color: var(--gsd-gold);
  font-family: var(--font-mono);
  font-size: 8px;
}

.problem-card h3 {
  margin: 48px 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.03em;
}

.problem-card p,
.workflow-card p,
.outcome-card p,
.reflection-card li {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.workflow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-card {
  display: flex;
  min-height: 445px;
  flex-direction: column;
  padding: 24px;
}

.workflow-card h3 {
  margin-top: 50px;
}

.workflow-card > p {
  min-height: 88px;
}

.workflow-card ul,
.reflection-card ul {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.workflow-card li {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .045em;
  line-height: 1.5;
  text-transform: uppercase;
}

.workflow-card li::before,
.reflection-card li::before {
  content: '•';
  margin-right: 9px;
  color: var(--gsd-gold);
}

.architecture-panel {
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 18% 35%, rgba(214, 173, 67, .07), transparent 28rem),
    #0b0e0b;
}

.architecture-panel-head {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.architecture-flow {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 90px 1fr 90px 1fr;
  align-items: center;
  gap: 0;
  min-height: 430px;
  padding: 58px;
}

.architecture-node {
  display: grid;
  gap: 9px;
  min-height: 180px;
  align-content: center;
  padding: 28px;
  border: 1px solid var(--line-strong);
  background: #0e120e;
}

.architecture-node > span,
.architecture-offline > span {
  color: var(--gsd-gold);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.architecture-node strong,
.architecture-offline strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -.035em;
}

.architecture-node small,
.architecture-offline small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1.65;
}

.architecture-ui {
  border-color: var(--gsd-gold-line);
}

.architecture-api {
  border-color: rgba(106, 228, 218, .34);
}

.architecture-connector {
  position: relative;
  height: 1px;
  background: var(--line-strong);
}

.architecture-connector::after {
  content: '›';
  position: absolute;
  top: 50%;
  right: -4px;
  color: var(--gsd-gold);
  font-size: 24px;
  transform: translateY(-54%);
}

.architecture-connector span {
  position: absolute;
  bottom: 12px;
  left: 50%;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 7px;
  transform: translateX(-50%);
}

.architecture-offline {
  position: absolute;
  right: 58px;
  bottom: 28px;
  left: 58px;
  display: grid;
  grid-template-columns: .45fr .8fr 1.75fr;
  gap: 22px;
  align-items: center;
  padding: 17px 22px;
  border: 1px dashed var(--gsd-gold-line);
  background: rgba(214, 173, 67, .045);
}

.case-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.case-tech-list li {
  padding: 8px 11px;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 8px;
}

.two-column-section {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 90px;
}

.section-copy {
  position: sticky;
  top: calc(var(--header-height) + 40px);
  align-self: start;
}

.section-copy h2 {
  font-size: clamp(40px, 5vw, 68px);
}

.section-copy > p:last-child {
  margin-top: 28px;
}

.decision-list {
  border-top: 1px solid var(--line-strong);
}

.decision-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.decision-item > span {
  font-family: var(--font-mono);
  font-size: 10px;
}

.decision-item h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.decision-item p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.delivery-timeline {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
  counter-reset: none;
}

.delivery-timeline li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 34px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.delivery-timeline li > span {
  color: var(--gsd-gold);
  font-family: var(--font-mono);
  font-size: 10px;
}

.delivery-timeline li > div {
  display: grid;
  grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr);
  gap: 32px;
  align-items: baseline;
}

.delivery-timeline h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -.03em;
}

.delivery-timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.outcomes-layout {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 80px;
}

.outcomes-copy h2 {
  font-size: clamp(40px, 5vw, 68px);
}

.outcomes-copy > p:last-child {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.outcome-card {
  min-height: 245px;
  padding: 23px;
}

.outcome-card strong {
  color: var(--gsd-gold);
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -.07em;
}

.outcome-card span {
  display: block;
  margin: 42px 0 10px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
}

.reflection-card {
  padding: 28px;
}

.reflection-card ul {
  margin-top: 28px;
}

.reflection-card li {
  padding-left: 0;
}

.private-repository-note {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 72px;
  margin-top: 22px;
  padding: 34px;
  border: 1px solid var(--gsd-gold-line);
  background: var(--gsd-gold-soft);
}

.private-repository-note span {
  display: block;
  margin-bottom: 12px;
  color: var(--gsd-gold);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.private-repository-note h3 {
  margin: 0;
}

.private-repository-note p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.case-contact {
  padding: 80px 0;
}

.case-contact-panel {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  padding: 52px;
  border: 1px solid var(--gsd-gold-line);
  background:
    linear-gradient(120deg, rgba(214, 173, 67, .12), transparent 70%),
    #0b0e0b;
}

.case-contact-panel h2 {
  max-width: 700px;
  font-size: clamp(38px, 5vw, 66px);
}

.case-contact-actions {
  flex-shrink: 0;
  margin-top: 0;
}

@media (max-width: 1080px) {
  .case-hero-layout,
  .case-section-heading,
  .context-layout,
  .two-column-section,
  .outcomes-layout {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .project-brief {
    max-width: 650px;
  }

  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .architecture-flow {
    grid-template-columns: 1fr 60px 1fr;
    gap: 0;
    padding-bottom: 155px;
  }

  .architecture-data {
    grid-column: 1 / -1;
    width: min(100%, 520px);
    margin: 50px auto 0;
  }

  .architecture-flow > .architecture-connector:nth-of-type(4) {
    display: none;
  }

  .section-copy {
    position: static;
  }

  .case-contact-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .case-hero {
    padding-top: calc(var(--header-height) + 42px);
  }

  .case-breadcrumb {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 42px;
  }

  .case-hero-copy h1 {
    font-size: clamp(58px, 23vw, 94px);
  }

  .case-hero-lead {
    font-size: 24px;
  }

  .confidentiality-banner,
  .private-repository-note {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-showcase {
    padding-top: 42px;
  }

  .case-section {
    padding: 88px 0;
  }

  .case-section-heading {
    margin-bottom: 48px;
  }

  .problem-grid,
  .workflow-grid,
  .outcome-grid,
  .reflection-grid {
    grid-template-columns: 1fr;
  }

  .workflow-card {
    min-height: 390px;
  }

  .architecture-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 28px 20px 175px;
  }

  .architecture-flow > .architecture-connector:nth-of-type(4) {
    display: block;
  }

  .architecture-connector {
    width: 1px;
    height: 30px;
    margin: 0 auto;
  }

  .architecture-connector::after {
    top: auto;
    right: 50%;
    bottom: -9px;
    transform: translateX(50%) rotate(90deg);
  }

  .architecture-connector span {
    bottom: auto;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
  }

  .architecture-data {
    grid-column: auto;
    width: auto;
    margin: 0;
  }

  .architecture-offline {
    right: 20px;
    bottom: 24px;
    left: 20px;
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .delivery-timeline li {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }

  .delivery-timeline li > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .case-contact-panel {
    padding: 32px 24px;
  }

  .case-contact-actions {
    width: 100%;
  }

  .case-contact-actions .button {
    width: 100%;
    justify-content: space-between;
  }

  .product-frame-bar {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 12px;
  }
}