.case-study-page {
  --case-navy: #061f31;
  --case-navy-deep: #03131e;
  --case-teal: #20c6c9;
  --case-teal-text: #087f86;
  --case-line: #d5e4e8;
  --case-soft: #f2f8f9;
  --case-muted: #4d6570;
  color: var(--case-navy);
  background: #fff;
}

.case-study-page *,
.case-study-page *::before,
.case-study-page *::after { box-sizing: border-box; }
.case-study-page img { max-width: 100%; height: auto; }
.case-study-page a:focus-visible { outline: 3px solid var(--case-teal); outline-offset: 4px; }
.case-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.case-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; color: rgba(255,255,255,.7); font-size: 13px; }
.case-breadcrumb a { color: inherit; text-underline-offset: 4px; }
.case-eyebrow { margin: 0 0 12px; color: var(--case-teal); font-size: 12px; font-weight: 900; letter-spacing: .1em; }

.case-index-hero,
.case-hero { color: #fff; background: var(--case-navy-deep); }
.case-index-hero { padding: 70px 0 76px; }
.case-index-hero h1 { max-width: 850px; margin: 0; font-size: 48px; line-height: 1.3; letter-spacing: 0; }
.case-index-hero .case-shell > p:last-child { max-width: 760px; margin: 22px 0 0; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.9; }
.case-index-grid { padding: 80px 0 100px; background: var(--case-soft); }
.case-feature-card { display: grid; grid-template-columns: minmax(0, 1fr) 300px; min-height: 430px; overflow: hidden; border: 1px solid var(--case-line); border-radius: 8px; color: inherit; background: #fff; text-decoration: none; }
.case-feature-copy { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.case-feature-copy h2 { margin: 0 0 18px; font-size: 38px; line-height: 1.4; letter-spacing: 0; }
.case-feature-copy > p:not(.case-eyebrow) { margin: 0; color: var(--case-muted); line-height: 1.9; }
.case-feature-image { min-height: 430px; background: var(--case-navy); }
.case-feature-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case-card-metrics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.case-card-metrics span { padding: 8px 10px; border: 1px solid var(--case-line); color: var(--case-teal-text); font-size: 11px; font-weight: 900; }

.case-hero { padding: 48px 0 80px; }
.case-hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .72fr); gap: 70px; align-items: center; }
.case-hero h1 { margin: 0; font-size: 52px; line-height: 1.26; letter-spacing: 0; }
.case-hero .lead { max-width: 720px; margin: 22px 0 0; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.9; }
.case-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.case-button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 18px; border: 1px solid var(--case-teal); border-radius: 6px; font-weight: 900; text-decoration: none; }
.case-button-primary { color: var(--case-navy); background: var(--case-teal); }
.case-button-secondary { color: #fff; background: transparent; }
.case-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 34px; }
.case-metric { min-width: 0; padding: 16px 12px; border: 1px solid rgba(255,255,255,.2); }
.case-metric strong { display: block; color: var(--case-teal); font-size: 28px; }
.case-metric span { display: block; margin-top: 4px; color: rgba(255,255,255,.7); font-size: 9px; font-weight: 900; overflow-wrap: anywhere; }
.case-data-note { margin: 14px 0 0; color: rgba(255,255,255,.58); font-size: 11px; line-height: 1.65; }
.case-device-stage { position: relative; min-height: 650px; }
.case-device { position: absolute; width: 64%; margin: 0; overflow: hidden; border: 6px solid #fff; border-radius: 8px; background: #fff; box-shadow: 0 24px 70px rgba(0,0,0,.34); }
.case-device img { display: block; width: 100%; }
.case-device-a { top: 0; left: 0; }
.case-device-b { right: 0; bottom: 0; }

.case-section { padding: 92px 0; border-bottom: 1px solid var(--case-line); }
.case-section-alt { background: var(--case-soft); }
.case-section-grid { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 54px; align-items: start; }
.case-section-number { position: sticky; top: 104px; color: var(--case-teal-text); font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.case-reading { max-width: 790px; }
.case-reading h2 { margin: 0 0 22px; font-size: 38px; line-height: 1.42; letter-spacing: 0; }
.case-reading p { margin: 0 0 18px; color: var(--case-muted); font-size: 16px; line-height: 1.95; }
.case-quote { max-width: 790px; margin: 34px 0 0; padding: 24px 26px; border-left: 5px solid var(--case-teal); color: var(--case-navy); background: #fff; font-size: 21px; font-weight: 900; line-height: 1.7; }
.case-six,
.case-capabilities,
.case-applications { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 34px; }
.case-six > div,
.case-capability,
.case-application { min-width: 0; padding: 20px; border: 1px solid var(--case-line); background: #fff; }
.case-six b,
.case-capability b,
.case-application b { display: block; margin-bottom: 8px; color: var(--case-teal-text); font-size: 13px; }
.case-six span,
.case-capability p,
.case-application p { margin: 0; color: var(--case-muted); line-height: 1.7; }
.case-flow,
.case-diagram { margin-top: 34px; padding: 28px; border: 1px solid var(--case-line); background: #fff; }
.case-flow { display: grid; gap: 8px; }
.case-flow-step,
.case-diagram-node,
.case-diagram-output { min-width: 0; padding: 16px; border: 1px solid var(--case-line); text-align: center; }
.case-flow-step b { display: block; margin-bottom: 6px; color: var(--case-teal-text); font-size: 12px; }
.case-flow-step span { font-weight: 800; }
.case-flow-arrow,
.case-diagram-arrow { color: var(--case-teal-text); font-weight: 900; text-align: center; }
.case-diagram { display: grid; gap: 12px; overflow-x: auto; }
.case-diagram-row { display: grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 10px; }
.case-diagram-node { background: var(--case-soft); font-size: 13px; font-weight: 800; line-height: 1.7; }
.case-diagram-output { border-color: var(--case-teal); color: var(--case-navy); background: var(--case-teal); font-weight: 900; }
.case-shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 36px; }
.case-shot { margin: 0; }
.case-shot img { display: block; width: 100%; border: 1px solid var(--case-line); border-radius: 6px; }
.case-shot figcaption { padding-top: 10px; color: var(--case-muted); font-size: 13px; line-height: 1.7; }
.case-cta { padding: 80px 0; color: var(--case-navy); background: var(--case-teal); }
.case-cta-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .6fr); gap: 50px; align-items: center; }
.case-cta h2 { margin: 0 0 16px; font-size: 40px; line-height: 1.35; letter-spacing: 0; }
.case-cta p { line-height: 1.8; }
.case-cta .case-button-primary { color: #fff; border-color: var(--case-navy); background: var(--case-navy); }
.case-cta .case-button-secondary { color: var(--case-navy); border-color: var(--case-navy); }
.case-disclaimer { padding: 28px 0; color: var(--case-muted); background: #fff; font-size: 12px; line-height: 1.8; }

@media (max-width: 900px) {
  .case-shell { width: calc(100% - 32px); }
  .case-index-hero { padding: 52px 0 60px; }
  .case-index-hero h1,
  .case-hero h1 { font-size: 38px; }
  .case-feature-card,
  .case-hero-grid,
  .case-section-grid,
  .case-cta-grid { grid-template-columns: 1fr; }
  .case-feature-image { min-height: 360px; }
  .case-hero { padding: 38px 0 64px; }
  .case-hero-grid { gap: 44px; }
  .case-device-stage { width: min(540px, 100%); min-height: 610px; }
  .case-section { padding: 70px 0; }
  .case-section-number { position: static; }
  .case-reading h2 { font-size: 32px; }
}

@media (max-width: 620px) {
  .case-index-hero h1,
  .case-hero h1 { font-size: 32px; }
  .case-feature-copy { padding: 24px; }
  .case-feature-copy h2 { font-size: 27px; }
  .case-feature-image { min-height: 330px; }
  .case-actions { display: grid; grid-template-columns: 1fr; }
  .case-button { width: 100%; }
  .case-metrics { grid-template-columns: 1fr; }
  .case-device-stage { min-height: 470px; }
  .case-device { width: 66%; border-width: 4px; }
  .case-section { padding: 56px 0; }
  .case-reading h2,
  .case-cta h2 { font-size: 28px; }
  .case-six,
  .case-capabilities,
  .case-applications,
  .case-shot-grid { grid-template-columns: 1fr; }
  .case-flow,
  .case-diagram { padding: 18px; }
  .case-diagram-row { grid-template-columns: 1fr; }
  .case-quote { padding: 20px; font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .case-study-page * { scroll-behavior: auto !important; transition: none !important; }
}