:root {
  --cream: #F4EDE1;
  --blueprint: #2E4A6B;
  --amber: #F0A83C;
  --terracotta: #C96F4A;
  --sitegreen: #7C9A6D;
  --ink: #22303C;
  --ink-soft: #5C6B76;
  --paper: #fffaf1;
  --line: rgba(46,74,107,.18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.7;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blueprint); }
.case-wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.case-nav { padding: 26px 0 0; font-size: .92rem; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.case-nav a { font-weight: 700; text-decoration: none; }
.case-hero { padding: 48px 0 30px; border-bottom: 1px solid var(--line); }
.kicker { font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--sitegreen); margin: 0 0 14px; }
h1, h2, h3 { font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; line-height: 1.12; font-weight: 800; }
h1 { font-size: clamp(2.15rem, 5vw, 4rem); letter-spacing: -.04em; margin: 0 0 18px; color: var(--blueprint); max-width: 920px; }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 860px; margin: 0 0 24px; }
.meta-row { display:flex; gap:10px; flex-wrap:wrap; margin-top: 22px; }
.pill { border: 1px solid var(--line); background: rgba(255,255,255,.45); border-radius: 999px; padding: 8px 13px; font-size: .86rem; font-weight: 800; color: var(--blueprint); }
.case-grid { display:grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 34px; align-items:start; padding: 42px 0 80px; }
.case-content { min-width:0; }
.case-content h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin: 42px 0 14px; color: var(--blueprint); letter-spacing: -.02em; }
.case-content h3 { font-size: 1.2rem; margin: 28px 0 10px; }
.case-content p { margin: 0 0 18px; }
.case-content ul, .case-content ol { margin: 0 0 22px; padding-left: 24px; }
.case-content li { margin-bottom: 8px; }
.callout { background: #fff; border-left: 5px solid var(--amber); border-radius: 0 18px 18px 0; padding: 20px 22px; margin: 0 0 30px; box-shadow: 0 18px 48px rgba(46,74,107,.08); font-weight: 650; }
.disclosure { background: rgba(255,255,255,.58); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; margin: 34px 0; color: var(--ink-soft); font-size: .96rem; }
.case-sidebar { position: sticky; top: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: 0 18px 50px rgba(46,74,107,.09); }
.case-sidebar h2 { margin: 0 0 10px; font-size: 1.1rem; color: var(--blueprint); }
.case-sidebar p { margin: 0 0 18px; color: var(--ink-soft); font-size: .95rem; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; background: var(--blueprint); color:#fff; font-weight:800; text-decoration:none; border-radius:999px; padding: 12px 18px; width:100%; text-align:center; }
.btn--ghost { margin-top:10px; background: transparent; color: var(--blueprint); border:1px solid var(--line); }
.next-prev { display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.next-prev a { text-decoration:none; background: rgba(255,255,255,.55); border:1px solid var(--line); border-radius:18px; padding:15px; font-weight:800; }
.next-prev span { display:block; color:var(--ink-soft); font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:3px; }
footer { padding: 30px 0 44px; color: var(--ink-soft); font-size: .88rem; text-align: center; border-top: 1px solid var(--line); }
@media (max-width: 820px) {
  body { overflow-x: hidden; }
  .case-wrap { width: 100%; max-width: 390px; margin: 0 auto; padding: 0 20px; overflow-x: hidden; }
  .case-nav { display: block; }
  .case-nav a { display: block; margin-bottom: 10px; }
  .case-hero { padding-top: 28px; }
  h1 { font-size: clamp(1.85rem, 8vw, 2.35rem); line-height: 1.08; overflow-wrap: break-word; }
  .lede, .case-sidebar p, .case-content p, .case-content li { overflow-wrap: break-word; }
  .meta-row { display: grid; grid-template-columns: 1fr; align-items: start; }
  .pill { width: 100%; max-width: 100%; white-space: normal; }
  .case-grid { grid-template-columns: 1fr; gap: 18px; padding-top: 30px; }
  .case-sidebar { position: static; order: -1; }
  .next-prev { grid-template-columns: 1fr; }
}


.case-content table { width: 100%; border-collapse: collapse; margin: 22px 0 28px; overflow: hidden; border-radius: 14px; background: #fff; box-shadow: 0 12px 30px rgba(46,74,107,.06); }
.case-content td, .case-content th { border: 1px solid var(--line); padding: 12px 14px; vertical-align: top; }
.case-content tr:first-child td, .case-content th { background: rgba(46,74,107,.08); color: var(--blueprint); font-weight: 800; }
.case-content hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }
.case-content details { background: rgba(255,255,255,.55); border: 1px solid var(--line); border-radius: 18px; padding: 14px 18px; margin: 22px 0; }
.case-content summary { cursor: pointer; font-weight: 800; color: var(--blueprint); }
@media (max-width: 820px) { .case-content table { display: block; overflow-x: auto; white-space: nowrap; } }