.case-detail-page { --case-accent: #39c5dc; --case-accent-soft: rgba(57,197,220,.13); }
.case-detail-page .site-header { background: rgba(5,24,40,.88); }
.case-detail-hero { position: relative; min-height: 720px; padding: 152px 0 92px; overflow: hidden; color: #fff; background: radial-gradient(circle at 78% 24%,rgba(55,196,220,.2),transparent 31%),linear-gradient(135deg,#051727,#0a3352 62%,#0b5064); }
.case-detail-hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size: 68px 68px; mask-image: linear-gradient(90deg,transparent,black 52%,black); }
.case-detail-hero::after { content: "CASE"; position: absolute; right: -10px; bottom: -18px; color: rgba(255,255,255,.035); font: 800 clamp(92px,15vw,230px)/.8 Arial; letter-spacing: -.07em; }
.case-detail-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1fr) 390px; gap: 90px; align-items: center; }
.case-detail-copy .breadcrumb { margin-bottom: 48px; }
.case-detail-copy h1 { margin: 0; max-width: 820px; font-size: clamp(46px,5.4vw,76px); line-height: 1.05; letter-spacing: -.055em; }
.case-detail-copy h2 { margin: 24px 0 0; max-width: 760px; color: var(--case-accent); font-size: clamp(20px,2vw,28px); line-height: 1.45; font-weight: 600; }
.case-detail-copy > p:not(.breadcrumb):not(.eyebrow) { max-width: 760px; margin: 24px 0 0; color: #bed2df; font-size: 14px; line-height: 1.9; }
.case-client-card { padding: 28px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.15); box-shadow: 0 28px 75px rgba(0,0,0,.22); backdrop-filter: blur(12px); }
.case-client-card > span { color: #87a8bb; font-size: 13px; letter-spacing: .16em; }
.case-client-logo { min-height: 138px; margin-top: 15px; padding: 24px; display: flex; align-items: center; justify-content: center; background: #fff; }
.case-client-logo img { display: block; max-width: 100%; max-height: 80px; object-fit: contain; }
.case-client-card dl { margin: 22px 0 0; }
.case-client-card dl div { padding: 13px 0; display: grid; grid-template-columns: 72px 1fr; gap: 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.case-client-card dl div:last-child { border-bottom: 0; }
.case-client-card dt { color: #7797aa; font-size: 13px; }
.case-client-card dd { margin: 0; color: #d3e0e8; font-size: 13px; line-height: 1.6; }
.case-anchor-bar { position: sticky; z-index: 12; top: 75px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.case-anchor-bar .section-shell { display: flex; justify-content: center; }
.case-anchor-bar a { padding: 19px 30px; color: #506776; font-size: 13px; border-left: 1px solid var(--line); }
.case-anchor-bar a:last-child { border-right: 1px solid var(--line); }
.case-anchor-bar a:hover { color: var(--blue); background: #f5f9fb; }
.case-context-section { scroll-margin-top: 130px; }
.case-context-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: start; }
.case-context-copy h2,.case-decision-copy h2,.case-insight-copy h2 { margin: 0; font-size: clamp(36px,4vw,54px); line-height: 1.2; letter-spacing: -.045em; }
.case-context-copy > p:not(.kicker),.case-decision-copy > p:not(.kicker),.case-insight-copy > p:not(.kicker) { margin: 24px 0 0; color: #526978; font-size: 14px; line-height: 2; }
.case-facts { border-top: 1px solid var(--line); }
.case-facts article { padding: 28px 0; display: grid; grid-template-columns: 90px 1fr; gap: 25px; border-bottom: 1px solid var(--line); }
.case-facts span { color: var(--blue); font: 700 13px Arial; }
.case-facts h3 { margin: 0 0 10px; font-size: 19px; }
.case-facts p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.case-challenge-section { scroll-margin-top: 130px; color: #fff; background: linear-gradient(145deg,#061827,#0b3b58); }
.case-challenge-section .section-heading h2 { color: #fff; }
.case-challenge-section .section-heading > p { color: #9eb7c7; }
.case-challenge-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.case-challenge-grid article { min-height: 270px; padding: 28px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.case-challenge-grid span { color: var(--case-accent); font: 700 13px Arial; }
.case-challenge-grid h3 { margin: 52px 0 14px; font-size: 19px; }
.case-challenge-grid p { margin: 0; color: #9db4c3; font-size: 14px; line-height: 1.8; }
.case-approach-section { scroll-margin-top: 130px; background: #f5f8fa; }
.case-decision { display: grid; grid-template-columns: .78fr 1.22fr; gap: 85px; align-items: start; }
.case-decision-note { padding: 31px; color: #fff; background: linear-gradient(145deg,#0a3151,#0b5265); border-top: 3px solid var(--case-accent); }
.case-decision-note span { color: var(--case-accent); font-size: 13px; letter-spacing: .14em; }
.case-decision-note strong { display: block; margin-top: 25px; font-size: 22px; line-height: 1.55; }
.case-decision-note p { margin: 18px 0 0; color: #a9c1cf; font-size: 14px; line-height: 1.85; }
.case-flow { margin-top: 70px; display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.case-flow article { position: relative; min-height: 235px; padding: 25px; background: #fff; border-top: 3px solid #9bb7c6; box-shadow: 0 12px 35px rgba(9,47,75,.06); }
.case-flow article:last-child { border-color: var(--case-accent); }
.case-flow article:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; right: -12px; top: 50%; width: 24px; height: 24px; display: grid; place-items: center; color: var(--blue); background: #f5f8fa; border-radius: 50%; font-size: 14px; }
.case-flow span { color: var(--blue); font: 700 13px Arial; }
.case-flow h3 { margin: 45px 0 13px; font-size: 18px; }
.case-flow p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.case-scope-section { background: #fff; }
.case-scope-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.case-scope-grid article { min-height: 250px; padding: 29px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-scope-grid span { color: var(--blue); font-size: 13px; }
.case-scope-grid h3 { margin: 45px 0 14px; font-size: 19px; }
.case-scope-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.case-results-section { scroll-margin-top: 130px; color: #fff; background: linear-gradient(145deg,#061927,#0a425e); }
.case-results-section .section-heading h2 { color: #fff; }
.case-results-section .section-heading > p { color: #a2bbc9; }
.case-result-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.case-result-grid article { min-height: 255px; padding: 30px; display: flex; flex-direction: column; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.12); }
.case-result-grid article:first-child { background: var(--case-accent-soft); border-color: rgba(73,210,230,.33); }
.case-result-grid span { color: #82a4b6; font-size: 13px; letter-spacing: .12em; }
.case-result-grid strong { margin-top: 38px; color: var(--case-accent); font: 700 clamp(26px,3vw,40px)/1.15 Arial; }
.case-result-grid h3 { margin: 38px 0 0; color: #fff; font-size: 22px; line-height: 1.4; }
.case-result-grid p { margin: auto 0 0; color: #9db6c5; font-size: 13px; line-height: 1.8; }
.case-evidence-note { margin: 23px 0 0; color: #7897a9; text-align: center; font-size: 13px; line-height: 1.7; }
.case-insight-section { background: #f3f7fa; }
.case-insight-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; }
.case-insight-quote { padding: 38px; background: #fff; border-left: 3px solid var(--case-accent); box-shadow: 0 18px 50px rgba(12,53,81,.07); }
.case-insight-quote span { color: var(--blue); font-size: 13px; letter-spacing: .13em; }
.case-insight-quote blockquote { margin: 25px 0 0; color: #18384e; font-size: clamp(21px,2.2vw,30px); line-height: 1.55; font-weight: 600; }
.case-insight-quote p { margin: 22px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.case-related-links { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.case-related-links a { padding: 12px 15px; color: var(--blue); background: #fff; border: 1px solid var(--line); font-size: 13px; }

@media (max-width: 1080px) {
  .case-detail-hero-grid { grid-template-columns: 1fr 330px; gap: 50px; }
  .case-context-grid,.case-insight-grid { gap: 55px; }
  .case-challenge-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
  .case-detail-hero { padding-top: 125px; }
  .case-detail-hero-grid,.case-context-grid,.case-decision,.case-insight-grid { grid-template-columns: 1fr; }
  .case-client-card { width: min(100%,520px); }
  .case-anchor-bar { top: 68px; overflow-x: auto; }
  .case-anchor-bar .section-shell { width: max-content; min-width: 100%; }
  .case-flow,.case-scope-grid { grid-template-columns: 1fr 1fr; }
  .case-result-grid { grid-template-columns: 1fr; }
  .case-result-grid article { min-height: 220px; }
}
@media (max-width: 540px) {
  .case-detail-hero { min-height: 0; padding-bottom: 65px; }
  .case-detail-copy .breadcrumb { margin-bottom: 35px; }
  .case-detail-copy h1 { font-size: 43px; }
  .case-client-card { padding: 20px; }
  .case-anchor-bar a { padding: 17px 20px; }
  .case-facts article { grid-template-columns: 62px 1fr; }
  .case-challenge-grid,.case-flow,.case-scope-grid { grid-template-columns: 1fr; }
  .case-flow article:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -13px; transform: translateX(50%); }
  .case-scope-grid { border-left: 0; }
  .case-scope-grid article { border-left: 1px solid var(--line); }
}