/* Reusable Case Study template: service-neutral layout and evidence components. */
.case-study-page {
  --case-copy: 760px;
  --case-wide: 1040px;
}

.case-header-inner {
  position: relative;
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}


.case-eyebrow {
  margin-bottom: var(--space-4);
  color: var(--color-action);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.3;
}

.case-hero {
  position: relative;
  overflow: hidden;
  padding-block: 88px 80px;
  background: var(--color-navy);
  color: var(--color-white);
}

.case-hero::before {
  position: absolute;
  top: 0;
  left: max(var(--page-padding), calc((100% - var(--container-width)) / 2));
  width: 72px;
  height: 4px;
  background: var(--color-emphasis);
  content: "";
}

.case-hero__copy {
  max-width: 980px;
}

.case-hero .case-eyebrow {
  color: #eef4ff;
}

.case-hero h1 {
  max-width: 1000px;
  margin-bottom: var(--space-6);
  color: var(--color-white);
  font-size: clamp(42px, 5vw, 66px);
  line-height: 1.08;
}

.case-hero__summary {
  max-width: 850px;
  margin-bottom: 0;
  color: #d9e2ec;
  font-size: var(--body-large);
}

.case-meta {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: var(--space-5);
  padding-block: var(--space-7);
  margin: var(--space-8) 0 0;
  border-block: 1px solid rgb(255 255 255 / 16%);
}

.case-meta div {
  min-width: 0;
}

.case-meta dt {
  margin-bottom: var(--space-2);
  color: #d9e2ec;
  font-size: var(--body-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.case-meta dd {
  margin: 0;
  color: var(--color-white);
  font-size: 16px;
  line-height: 1.5;
}

.case-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin: var(--space-7) 0 0;
}

.case-kpi {
  min-width: 0;
  padding-left: var(--space-5);
  border-left: 2px solid rgb(45 115 253 / 68%);
}

.case-kpi dt {
  margin-bottom: var(--space-3);
  color: #d9e2ec;
  font-size: var(--body-small);
  line-height: 1.4;
}

.case-kpi dd {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.case-kpi dd span {
  color: #d9e2ec;
}

.case-kpi dd b {
  color: var(--color-emphasis);
  font-weight: 600;
}

.case-kpi dd strong {
  color: var(--color-white);
}

.case-kpi--primary {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  align-items: end;
  gap: var(--space-6);
  padding: 0 0 var(--space-7);
  border-bottom: 1px solid rgb(255 255 255 / 18%);
  border-left: 0;
}

.case-kpi--primary dt {
  padding-bottom: 8px;
  font-size: 15px;
}

.case-kpi--primary dd {
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1;
}

.case-section {
  padding-block: var(--section-space);
}

.case-section--surface {
  background: var(--color-surface);
}

.case-section-heading {
  max-width: var(--case-copy);
}

.case-section-heading--wide {
  max-width: var(--case-wide);
  margin-bottom: var(--space-8);
}

.case-section-heading > p:last-child {
  color: var(--color-text-secondary);
  font-size: 18px;
}

.case-editorial-grid,
.case-results-grid,
.case-impact-grid,
.case-related-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: start;
  gap: clamp(48px, 8vw, 112px);
}

.case-issue-list,
.case-result-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.case-issue-list li,
.case-result-list li {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-6);
  padding-block: var(--space-5);
  border-top: var(--border-default);
}

.case-issue-list li:last-child,
.case-result-list li:last-child {
  border-bottom: var(--border-default);
}

.case-issue-list li {
  grid-template-columns: 42px minmax(160px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
}

.case-issue-list .case-issue-index {
  color: var(--color-action);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.case-issue-list strong,
.case-result-list strong {
  color: var(--color-brand);
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.4;
}

.case-issue-list span,
.case-result-list span {
  color: var(--color-text-secondary);
}

.case-change-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(48px, 8vw, 104px);
  padding: 0;
  margin: 0;
  list-style: none;
}

.case-change-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-top: var(--border-default);
}

.case-change-list h3,
.case-takeaway-list h3 {
  margin-bottom: var(--space-3);
  color: var(--color-brand);
  font-size: 22px;
}

.case-change-list p,
.case-takeaway-list p {
  margin: 0;
  color: var(--color-text-secondary);
}

.case-index {
  display: inline-flex;
  color: var(--color-action);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.case-strategy {
  background: var(--color-blue-tint);
}

.case-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

.case-flow li {
  position: relative;
  min-width: 0;
  padding: 32px 28px 30px;
  border-block: var(--border-default);
  border-left: var(--border-default);
  background: var(--color-white);
}

.case-flow li:first-child {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.case-flow li:last-child {
  border-right: var(--border-default);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.case-flow li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -13px;
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border: var(--border-default);
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-action);
  content: "→";
  font-weight: 700;
  transform: translateY(-50%);
}

.case-flow span {
  display: block;
  margin-bottom: var(--space-7);
  color: var(--color-action);
  font: 800 13px/1 var(--font-heading);
}

.case-flow strong {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-brand);
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.3;
}

.case-flow small {
  display: block;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.55;
}

.case-method-note {
  max-width: 850px;
  margin: var(--space-6) 0 0;
  color: var(--color-text-muted);
  font-size: var(--body-small);
}

.case-comparison {
  background: var(--color-navy);
  color: var(--color-white);
}

.case-section-heading--inverse h2 {
  color: var(--color-white);
}

.case-section-heading--inverse .case-eyebrow {
  color: #eef4ff;
}

.case-comparison-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
  align-items: center;
  margin-top: var(--space-8);
}

.case-period {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius-lg);
}

.case-period--before {
  background: var(--color-navy-surface);
}

.case-period--after {
  border-color: rgb(45 115 253 / 55%);
  background: var(--color-white);
  color: var(--color-text);
}

.case-period > p {
  margin-bottom: var(--space-3);
  color: #d9e2ec;
  font: 800 13px/1.3 var(--font-heading);
  letter-spacing: 0.1em;
}

.case-period--after > p {
  color: var(--color-action);
}

.case-period h3 {
  margin-bottom: var(--space-7);
  color: var(--color-white);
  font-size: 25px;
}

.case-period--after h3 {
  color: var(--color-brand);
}

.case-period dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  margin: 0;
}

.case-period dt {
  margin-bottom: var(--space-2);
  color: #d9e2ec;
  font-size: var(--body-small);
}

.case-period--after dt {
  color: var(--color-text-muted);
}

.case-period dd {
  margin: 0;
  color: var(--color-white);
  font: 800 clamp(28px, 3vw, 42px)/1 var(--font-heading);
  letter-spacing: -0.04em;
}

.case-period--after dd {
  color: var(--color-brand);
}

.case-comparison-arrow {
  color: var(--color-emphasis);
  font: 700 28px/1 var(--font-heading);
  text-align: center;
}

.case-evidence {
  background: var(--color-white);
}

.case-evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.case-evidence-grid[data-columns="2"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-media-frame {
  overflow: hidden;
  padding: clamp(12px, 2vw, 24px);
  margin: 0;
  border: var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-overlay);
}

.case-media-frame img,
.case-media-frame iframe {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--color-white);
  object-fit: contain;
}

.case-media-frame figcaption {
  padding: var(--space-4) var(--space-2) 0;
  color: var(--color-text-muted);
  font-size: var(--body-small);
}

.case-evidence-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-4);
  color: var(--color-action);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.case-evidence-label img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.case-transparency-note {
  padding: var(--space-5);
  margin-top: var(--space-6);
  border-left: 3px solid var(--color-emphasis);
  background: var(--color-accent-tint);
}

.case-transparency-note strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-brand);
  font-family: var(--font-heading);
}

.case-transparency-note p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.case-impact {
  background: var(--color-blue-tint);
}

.case-impact h2 {
  max-width: 500px;
}

.case-impact-grid > div:last-child > p {
  color: var(--color-text-strong);
  font-size: 19px;
}

.case-impact ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-6);
  padding: var(--space-5) 0 0;
  margin: 0;
  border-top: var(--border-default);
  list-style: none;
}

.case-impact li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--color-text-secondary);
}

.case-impact li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-action);
  content: "";
}

.case-takeaway-list {
  padding: 0;
  margin: 0;
  border-top: var(--border-default);
  list-style: none;
}

.case-takeaway-list li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-bottom: var(--border-default);
}

.case-takeaway-list > li > span {
  color: var(--color-action);
  font: 800 14px/1.4 var(--font-heading);
}

.case-related {
  border-top: var(--border-default);
  background: var(--color-surface);
}

.case-related h2 {
  max-width: 560px;
}

.case-related nav {
  border-top: var(--border-default);
}

.case-related nav a {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  min-height: 72px;
  align-items: center;
  gap: var(--space-4);
  padding-inline: 10px;
  border-bottom: var(--border-default);
  color: var(--color-brand);
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--motion-fast) var(--ease-standard), padding var(--motion-fast) var(--ease-standard);
}

.case-related-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgb(45 115 253 / 18%);
  border-radius: 10px;
  background: var(--color-blue-tint);
  color: var(--color-action);
}

.case-related-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.case-related nav b {
  color: var(--color-action);
  transition: transform var(--motion-fast) var(--ease-standard);
}

.case-related nav a:hover,
.case-related nav a:focus-visible {
  padding-inline: 14px 8px;
  background: var(--color-white);
}

.case-related nav a:hover b,
.case-related nav a:focus-visible b {
  transform: translateX(4px);
}

.case-confidentiality {
  padding-block: var(--space-6);
  border-top: var(--border-default);
  background: var(--color-white);
}

.case-confidentiality .container {
  display: flex;
  align-items: baseline;
  gap: var(--space-5);
}

.case-confidentiality strong {
  flex: 0 0 auto;
  color: var(--color-brand);
  font: 700 14px/1.5 var(--font-heading);
}

.case-confidentiality p {
  max-width: none;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--body-small);
}

.case-final-cta {
  padding-block: var(--section-space);
  background: var(--color-navy);
  color: var(--color-white);
}

.case-final-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
}

.case-final-cta .case-eyebrow {
  color: #eef4ff;
}

.case-final-cta h2 {
  max-width: 780px;
  color: var(--color-white);
}

.case-final-cta p:not(.case-eyebrow) {
  max-width: 760px;
  color: #d9e2ec;
  font-size: 18px;
}

.case-actions {
  display: grid;
  gap: var(--space-3);
}

.case-button--ghost {
  border-color: rgb(255 255 255 / 44%);
  background: transparent;
  color: var(--color-white);
}

.case-button--ghost:hover {
  border-color: var(--color-white);
  background: rgb(255 255 255 / 8%);
  color: var(--color-white);
}

.case-footer {
  padding-block: var(--space-9) var(--space-5);
  background: var(--color-navy-surface);
}

.case-footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 0.7fr 1.15fr 0.7fr;
  gap: var(--space-7);
}

.case-footer img {
  width: 160px;
  height: auto;
}

.case-footer p {
  max-width: 330px;
  margin-top: var(--space-5);
  color: #d9e2ec;
  font-size: 15px;
}

.case-footer h2 {
  margin-bottom: var(--space-4);
  color: var(--color-white);
  font-size: 16px;
}

.case-footer a {
  display: block;
  min-height: 40px;
  color: #d9e2ec;
  font-size: 15px;
  text-decoration: none;
}

.case-footer a:hover {
  color: var(--color-white);
}

.case-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  padding-top: var(--space-5);
  margin-top: var(--space-7);
  border-top: 1px solid rgb(255 255 255 / 12%);
}

.case-footer__bottom p {
  max-width: none;
  margin: 0;
  color: #d9e2ec;
  font-size: 14px;
}

@media (max-width: 1100px) {
  .case-kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-7) var(--space-5);
  }

  .case-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .case-flow li,
  .case-flow li:first-child,
  .case-flow li:last-child {
    border: var(--border-default);
    border-radius: var(--radius-lg);
  }

  .case-flow li:not(:last-child)::after {
    display: none;
  }

  .case-footer__grid {
    grid-template-columns: 1.2fr 0.8fr 1fr;
  }

  .case-footer__grid > div:last-child {
    grid-column: 2;
  }
}

@media (max-width: 899px) {
  .case-header-inner {
    min-height: 72px;
  }

  .case-meta,
  .case-editorial-grid,
  .case-results-grid,
  .case-impact-grid,
  .case-related-grid,
  .case-final-cta__inner {
    grid-template-columns: 1fr;
  }

  .case-meta {
    gap: var(--space-6);
  }

  .case-editorial-grid,
  .case-results-grid,
  .case-impact-grid,
  .case-related-grid,
  .case-final-cta__inner {
    gap: var(--space-7);
  }

  .case-change-list {
    grid-template-columns: 1fr;
  }

  .case-comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .case-comparison-arrow {
    transform: rotate(90deg);
  }

  .case-evidence-grid[data-columns="2"] {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .case-hero {
    padding-block: 64px 56px;
  }

  .case-hero h1 {
    font-size: clamp(38px, 11vw, 48px);
  }

  .case-hero__summary {
    font-size: var(--mobile-body-large);
  }

  .case-meta {
    padding-block: var(--space-6);
    margin-top: var(--space-7);
  }

  .case-kpi-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .case-kpi {
    padding: 0 0 var(--space-5);
    border-bottom: 1px solid rgb(255 255 255 / 16%);
    border-left: 0;
  }

  .case-kpi--primary {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding-bottom: var(--space-6);
  }

  .case-kpi dd {
    font-size: 30px;
  }

  .case-section {
    padding-block: var(--space-9);
  }

  .case-section-heading--wide {
    margin-bottom: var(--space-7);
  }

  .case-issue-list li,
  .case-result-list li {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .case-issue-list li {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: var(--space-2) var(--space-3);
  }

  .case-issue-list li > span:last-child {
    grid-column: 2;
  }

  .case-change-list li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .case-flow {
    grid-template-columns: 1fr;
  }

  .case-flow li {
    padding: var(--space-5);
  }

  .case-flow span {
    margin-bottom: var(--space-5);
  }

  .case-period dl,
  .case-impact ul {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5) var(--space-4);
  }

  .case-media-frame {
    padding: var(--space-2);
  }

  .case-media-frame figcaption {
    padding: var(--space-3) var(--space-2) var(--space-2);
  }

  .case-takeaway-list li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .case-confidentiality .container,
  .case-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .case-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-footer__grid > div:first-child {
    grid-column: 1 / -1;
  }

  .case-footer__grid > div:last-child {
    grid-column: auto;
  }
}

@media (max-width: 390px) {


  .case-kpi dd {
    font-size: 27px;
  }

  .case-period dl,
  .case-impact ul,
  .case-footer__grid {
    grid-template-columns: 1fr;
  }

  .case-footer__grid > div:first-child {
    grid-column: auto;
  }
}