/* Dedicated case study; reuse the portfolio palette and typography. */
.case-page { --header-offset: 90px; }
.case-header .nav-container { gap: 24px; }
.case-header .logo-text { margin-right: auto; }
.case-header-link, .case-language { color: var(--impact-ink); font-weight: 700; text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.case-language { padding: 0 12px; border: 2px solid var(--impact-ink); background: var(--impact-yellow); }
.case-page a:focus-visible { outline: 3px solid var(--impact-blue); outline-offset: 5px; }
.case-shell { width: min(1060px, calc(100% - 64px)); margin-inline: auto; }
.case-hero { padding: calc(var(--header-offset) + 36px) 0 54px; background: var(--impact-ink); color: white; }
.case-back { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 22px; color: var(--impact-yellow); text-underline-offset: 5px; }
.case-label { font-size: 1rem; font-weight: 650; color: var(--impact-yellow); margin-bottom: 18px; }
.case-hero h1 { font-family: var(--font-card-title); font-size: clamp(3rem, 6.5vw, 5.7rem); line-height: 1.04; font-weight: 400; max-width: 18ch; text-wrap: balance; }
.case-lead { max-width: 65ch; font-size: clamp(1.08rem, 2vw, 1.25rem); line-height: 1.7; margin-top: 24px; }
.case-author { margin-top: 24px; }
.case-author a { color: white; text-underline-offset: 4px; }
.case-privacy { max-width: 80ch; margin-top: 30px; padding-left: 18px; border-left: 3px solid var(--impact-cyan); color: #dddde7; font-size: .9rem; }
.case-content { padding-bottom: 60px; }
.case-contents { display: flex; flex-wrap: wrap; gap: 8px 28px; padding: 24px 0; border-bottom: 2px solid var(--impact-ink); }
.case-contents a { color: var(--impact-ink); font-weight: 650; min-height: 44px; display: inline-flex; align-items: center; text-underline-offset: 5px; }
.case-section { padding: 60px 0 0; scroll-margin-top: var(--header-offset); }
.case-section h2, .case-cta h2 { font-family: var(--font-card-title); font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.15; font-weight: 400; margin-bottom: 18px; text-wrap: balance; }
.case-section > p, .case-need > div > p, .case-cta p { max-width: 75ch; font-size: 1.05rem; line-height: 1.75; }
.case-need { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.case-scope { padding: 24px; background: var(--impact-warm); border-left: 4px solid var(--impact-red); }
.case-page h3, .case-decisions dt { font-size: 1.15rem; font-weight: 750; line-height: 1.4; margin-bottom: 12px; }
.case-system { margin-top: 30px; padding: 32px; background: var(--impact-warm); border: 2px solid var(--impact-ink); box-shadow: var(--impact-shadow); }
.case-system figcaption { font-size: 1.15rem; font-weight: 750; margin-bottom: 26px; }
.case-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.case-flow-node { position: relative; padding: 18px 8px; display: grid; place-items: center; text-align: center; border: 2px solid var(--impact-ink); background: white; font-weight: 700; min-height: 88px; }
.case-flow-node:not(:last-child)::after { content: "→"; position: absolute; right: -24px; font-size: 1.35rem; color: var(--impact-ink); }
.case-flow-node--2 { background: var(--impact-cyan); }
.case-flow-node--3 { background: var(--impact-yellow); box-shadow: 3px 3px 0 var(--impact-ink); }
.case-roles { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--impact-ink); }
.case-roles span { background: white; padding: 8px 12px; border: 1px solid var(--impact-ink); font-size: .9rem; }
.case-system-description { margin-top: 24px; max-width: 75ch; }
.case-system-note { margin-top: 12px; font-size: .88rem; color: #454552; }
.case-journeys { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.case-journeys article { padding: 26px 0; border-top: 2px solid var(--impact-ink); }
.case-journeys p { max-width: 60ch; }
.case-decisions { margin-top: 28px; }
.case-decisions > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 32px; padding: 20px 0; border-top: 1px solid #c5c5cc; }
.case-decisions dt { margin-bottom: 0; }
.case-tools { width: 100%; table-layout: fixed; border-collapse: collapse; margin-top: 30px; background: white; }
.case-tools caption { text-align: left; font-weight: 750; font-size: 1.15rem; padding-bottom: 16px; }
.case-tools th, .case-tools td { text-align: left; vertical-align: top; padding: 16px 20px; border-bottom: 1px solid #c5c5cc; }
.case-tools thead { background: var(--impact-ink); color: white; }
.case-tools thead th:first-child, .case-tools tbody th { width: 28%; font-weight: 700; }
.case-tools tbody tr:last-child th, .case-tools tbody tr:last-child td { border-bottom: 2px solid var(--impact-ink); }
.case-outcome .case-limit { font-size: .95rem; margin-top: 18px; color: #454552; }
.case-faq > div { max-width: 75ch; padding: 24px 0; border-top: 1px solid #c5c5cc; }
.case-faq p { line-height: 1.75; }
.case-cta { padding: 56px 0; background: var(--impact-yellow); border-top: 3px solid var(--impact-ink); }
.case-cta .comic-btn { display: inline-flex; align-items: center; justify-content: center; margin-top: 26px; font-family: var(--font-body); font-size: 1rem; min-height: 48px; }
.case-other-work { display: block; width: fit-content; min-height: 44px; margin-top: 20px; padding-top: 10px; color: var(--impact-ink); text-underline-offset: 5px; }
.case-footer { background: var(--impact-ink); color: white; padding: 30px 0; }
.case-footer p + p { margin-top: 6px; font-size: .9rem; }
.case-footer nav { display: flex; gap: 28px; margin-top: 16px; }
.case-footer a { color: white; display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 4px; }
@media (max-width: 768px) {
    .case-page { --header-offset: 76px; }
    .case-shell { width: calc(100% - 40px); }
    .case-header .nav-container { gap: 14px; padding: 12px 20px; }
    .case-header .logo-text { font-size: 1.65rem; }
    .case-header-link { font-size: .9rem; }
    .case-language { font-size: .9rem; padding: 0 8px; }
    .case-hero { padding-bottom: 36px; }
    .case-need, .case-decisions > div { grid-template-columns: 1fr; gap: 20px; }
    .case-section { padding-top: 42px; }
    .case-system { padding: 22px 18px; }
    .case-flow { grid-template-columns: 1fr; gap: 28px; }
    .case-flow-node { min-height: 62px; padding: 14px; }
    .case-flow-node:not(:last-child)::after { content: "↓"; right: auto; bottom: -28px; }
    .case-roles { justify-content: flex-start; }
    .case-journeys { grid-template-columns: 1fr; }
    .case-tools th, .case-tools td { padding: 14px 10px; font-size: .9rem; overflow-wrap: anywhere; }
    .case-tools thead th:first-child, .case-tools tbody th { width: 40%; }
    .case-cta .comic-btn { width: 100%; padding-inline: 16px; text-align: center; }
}
@media (max-width: 380px) {
    .case-header .nav-container { gap: 10px; padding-inline: 12px; }
    .case-header .logo-text { font-size: 1.45rem; }
    .case-header-link { font-size: .82rem; }
}
@media (prefers-reduced-motion: reduce) { .case-page { scroll-behavior: auto; } }