.case-study-page {
  padding-top: 69px;
  background: var(--paper);
  color: var(--on-paper);
}

.case-study-page .container {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
}

.case-study-review {
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.24);
  background: rgba(var(--accent-rgb), 0.055);
}

.case-study-review__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 48px;
  font-family: var(--sans-jp);
  font-size: 14px;
  color: var(--on-paper-mute);
}

.case-study-review strong {
  color: var(--accent-deep);
  font-weight: 600;
}

.case-study-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(74px, 9vw, 132px) 0 clamp(70px, 8vw, 112px);
  border-bottom: 1px solid var(--paper-line-strong);
}

.case-study-hero::after {
  content: "03";
  position: absolute;
  right: clamp(20px, 5vw, 80px);
  bottom: -0.2em;
  z-index: 0;
  font-family: var(--serif-en-display);
  font-size: clamp(150px, 24vw, 360px);
  line-height: 0.8;
  color: rgba(17, 19, 18, 0.027);
  pointer-events: none;
}

.case-study-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.55fr);
  gap: clamp(54px, 8vw, 126px);
  align-items: end;
}

.case-study-hero .crumbs { margin-bottom: 40px; }

.case-study-hero__kicker,
.case-study-section__kicker {
  display: block;
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
  text-transform: uppercase;
}

.case-study-hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(42px, 5.6vw, 82px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.case-study-hero__title-line {
  display: block;
  white-space: nowrap;
}

.case-study-heading__line,
.case-study-question__line {
  display: block;
  white-space: nowrap;
}

.case-study-hero__lead {
  max-width: 790px;
  margin: 10px 0 0;
  font-family: var(--sans-jp);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 2;
  color: var(--on-paper-mute);
}

.case-study-hero__source {
  display: block;
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
}

.case-study-client {
  padding-left: 30px;
  border-left: 1px solid var(--paper-line-strong);
}

.case-study-client__label {
  display: block;
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--on-paper-faint);
}

.case-study-client img {
  display: block;
  width: min(240px, 100%);
  height: 82px;
  object-fit: contain;
  border-radius: var(--radius-lg);
}

.case-study-client__company {
  display: block;
  margin-top: 22px;
  font-family: var(--serif-jp);
  font-size: 22px;
  font-weight: 600;
  color: var(--on-paper);
  text-decoration-color: rgba(var(--accent-rgb), 0.45);
  text-underline-offset: 5px;
}

.case-study-impact {
  padding: clamp(74px, 9vw, 132px) 0;
  background: var(--paper-2);
  border-bottom: 1px solid var(--paper-line);
}

.case-study-impact__head {
  display: grid;
  grid-template-columns: minmax(220px, 0.52fr) minmax(0, 1.2fr);
  gap: clamp(40px, 8vw, 120px);
  margin-bottom: 58px;
}

.case-study-impact h2,
.case-study-section h2,
.case-study-ai h2 {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(32px, 4.3vw, 58px);
  font-weight: 500;
  line-height: 1.45;
}

.case-study-impact h2,
.case-study-interview h2,
.case-study-interview__question h3,
.case-study-ai h2,
.case-study-cta h2 {
  word-break: normal;
  word-break: auto-phrase;
  text-wrap: balance;
}

#impact-title { white-space: nowrap; }

.case-study-hero__lead,
.case-study-impact__head p,
.case-study-interview__byline,
.case-study-interview__answer p,
.case-study-ai__lead,
.case-study-process li {
  word-break: normal;
  word-break: auto-phrase;
  text-wrap: pretty;
}

.case-study-impact__head p {
  margin: 8px 0 0;
  font-family: var(--sans-jp);
  font-size: 16px;
  line-height: 2;
  color: var(--on-paper-mute);
}

.case-study-ledger {
  border-top: 1px solid var(--paper-line-strong);
}

.case-study-ledger__row {
  display: grid;
  grid-template-columns: minmax(190px, 0.8fr) minmax(150px, 1fr) 52px minmax(170px, 1fr);
  gap: 24px;
  align-items: center;
  min-height: 112px;
  border-bottom: 1px solid var(--paper-line-strong);
}

.case-study-ledger__label {
  font-family: var(--sans-jp);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.case-study-ledger__before,
.case-study-ledger__after {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-study-ledger small {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--on-paper-faint);
  text-transform: uppercase;
}

.case-study-ledger strong {
  font-family: var(--serif-jp);
  font-size: clamp(24px, 3.1vw, 42px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.case-study-ledger__after strong { color: var(--accent-deep); }
.case-study-ledger__arrow { color: var(--accent); font-size: 24px; text-align: center; }

.case-study-interview {
  padding: clamp(84px, 10vw, 150px) 0;
  background: var(--paper);
  border-top: 1px solid var(--paper-line-strong);
}

.case-study-interview__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.42fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: end;
}

.case-study-interview h2 {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(32px, 4.3vw, 58px);
  font-weight: 500;
  line-height: 1.45;
}

.case-study-interview__byline {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
  padding: 24px 0 0 24px;
  border-top: 1px solid var(--paper-line-strong);
  font-family: var(--sans-jp);
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-paper-mute);
}

.case-study-interview__byline span {
  font-family: var(--mono);
  letter-spacing: 0.1em;
  color: var(--accent-deep);
}

.case-study-interview__byline strong {
  font-family: var(--serif-jp);
  font-size: 22px;
  font-weight: 600;
  color: var(--on-paper);
}

.case-study-interview__byline a {
  width: fit-content;
  color: var(--on-paper-mute);
  text-decoration-color: rgba(var(--accent-rgb), 0.45);
  text-underline-offset: 4px;
}

.case-study-interview__byline small {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-paper-faint);
}

.case-study-interview__body {
  margin-top: clamp(54px, 7vw, 92px);
  border-top: 1px solid var(--paper-line-strong);
}

.case-study-interview__exchange {
  padding: clamp(40px, 5vw, 66px) 0;
  border-bottom: 1px solid var(--paper-line-strong);
}

.case-study-interview__question,
.case-study-interview__answer {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.case-study-interview__answer { margin-top: 32px; }

.case-study-interview__speaker {
  padding-top: 7px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--on-paper-faint);
}

.case-study-interview__answer .case-study-interview__speaker { color: var(--accent-deep); }

.case-study-interview__question h3 {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  line-height: 1.6;
}

.case-study-interview__answer p {
  margin: 0;
  padding-left: clamp(20px, 3vw, 36px);
  border-left: 3px solid var(--accent);
  font-family: var(--sans-jp);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 2;
  color: var(--on-paper-mute);
}

.case-study-ai {
  padding: clamp(82px, 9vw, 136px) 0;
  background: var(--paper-2);
}

.case-study-ai__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1fr);
  gap: clamp(60px, 9vw, 140px);
}

.case-study-ai__lead {
  margin: 28px 0 0;
  font-family: var(--sans-jp);
  font-size: 16px;
  line-height: 2;
  color: var(--on-paper-mute);
}

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

.case-study-process li {
  counter-increment: process;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--paper-line-strong);
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 1.9;
}

.case-study-process li::before {
  content: "0" counter(process);
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent-deep);
}

.case-study-cta {
  padding: clamp(84px, 9vw, 136px) 0;
  border-top: 1px solid var(--paper-line-strong);
}

.case-study-cta__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}

.case-study-cta h2 {
  max-width: 980px;
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(34px, 3.75vw, 52px);
  font-weight: 500;
  line-height: 1.45;
}

.case-study-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 240px;
}

.case-study-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 52px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--on-ink);
  font-family: var(--sans-jp);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.case-study-button--secondary {
  background: transparent;
  color: var(--on-paper);
}

.case-study-button span { color: var(--accent-soft); }
.case-study-button--secondary span { color: var(--accent); }

@media (max-width: 900px) {
  .case-study-hero__grid,
  .case-study-impact__head,
  .case-study-interview__head,
  .case-study-ai__grid,
  .case-study-cta__inner { grid-template-columns: 1fr; }
  .case-study-client { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--paper-line-strong); }
  .case-study-client img { width: min(220px, 100%); height: 72px; }
  .case-study-impact__head { margin-bottom: 42px; }
  .case-study-cta__actions { min-width: 0; }
  .case-study-question__line { white-space: normal; }
  .footer--site .footer__bottom { grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
  .footer--site .footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer--site .footer__copy { flex-direction: column; gap: 10px; }
}

@media (max-width: 1500px) {
  .work-nav .nav__items { display: none; }
  .work-nav .nav__cta { margin-left: auto; margin-right: 12px; }
  .work-nav .nav__menu { display: block; }
}

@media (max-width: 720px) {
  .case-study-page { padding-top: 69px; }
  .case-study-review__inner { align-items: flex-start; flex-direction: column; gap: 2px; padding: 10px 0; }
  .case-study-hero .crumbs { margin-bottom: 30px; }
  .case-study-hero h1 { font-size: clamp(30px, 8.6vw, 36px); line-height: 1.3; }
  .case-study-hero__lead { margin-top: 24px; }
  .case-study-ledger__row { grid-template-columns: 1fr 28px 1fr; gap: 12px; padding: 24px 0; }
  .case-study-ledger__label { grid-column: 1 / -1; }
  .case-study-ledger strong { font-size: 23px; }
  .case-study-interview__question,
  .case-study-interview__answer { grid-template-columns: 1fr; gap: 12px; }
  .case-study-interview__answer { margin-top: 28px; }
  .case-study-interview__answer p { padding-left: 18px; }
  .case-study-interview__question h3 { font-size: 22px; }
  .case-study-process li { grid-template-columns: 42px 1fr; }
  .case-study-cta h2 { font-size: 30px; }
  .footer--site .footer__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer--site .footer__cols { grid-template-columns: 1fr; }
}