/* Page-only Ledger & Ink treatment for the case-study review page. */
.cs-page {
  --cs-paper: #f6f3ec;
  --cs-surface: #fffdf8;
  --cs-ink: #10213f;
  --cs-body: #46516a;
  --cs-muted: #687288;
  --cs-line: #d9d2c3;
  --cs-accent: #1b6e7e;
  --cs-accent-dark: #155e6c;
  --cs-accent-soft: #e4eff0;
  --cs-gold: #c27a27;
  margin: 0;
  color: var(--cs-ink);
  background: var(--cs-paper);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
.cs-page *, .cs-page *::before, .cs-page *::after { box-sizing: border-box; }
.cs-page a { color: inherit; }
.cs-page a:focus-visible { outline: 3px solid #b45e17; outline-offset: 4px; border-radius: 2px; }
.cs-shell { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.cs-skip { position: absolute; z-index: 10; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: #10213f; transform: translateY(-150%); }
.cs-skip:focus { transform: translateY(0); }
.cs-header { background: var(--cs-surface); border-bottom: 1px solid var(--cs-line); }
.cs-header-inner { width: min(1240px, calc(100% - 48px)); min-height: 88px; margin: 0 auto; display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.cs-wordmark { display: inline-flex; align-items: center; gap: 12px; color: var(--cs-ink); text-decoration: none; flex: 0 0 auto; }
.cs-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--cs-accent); color: var(--cs-accent); font: 400 27px/1 Fraunces, Georgia, serif; }
.cs-wordmark strong { display: block; font: 400 25px/1 Fraunces, Georgia, serif; letter-spacing: -.03em; }
.cs-wordmark small { display: block; margin-top: 4px; color: var(--cs-muted); font: 500 9px/1.2 "IBM Plex Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.cs-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2vw, 28px); flex: 1 1 auto; }
.cs-nav a { color: var(--cs-body); font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.cs-nav a:hover, .cs-text-link:hover { color: var(--cs-accent-dark); text-decoration: underline; text-underline-offset: 4px; }
.cs-call { display: inline-flex; align-items: center; text-decoration: none; }
.cs-call-header { min-height: 44px; justify-content: center; padding: 9px 14px; border: 1px solid var(--cs-accent); color: var(--cs-accent-dark); font-size: 12px; font-weight: 700; white-space: nowrap; }
.cs-call-header span { margin-left: 7px; font-family: "IBM Plex Mono", monospace; }
.cs-intro { padding: clamp(52px, 7vw, 96px) 0 76px; border-bottom: 1px solid var(--cs-line); background: radial-gradient(ellipse at 78% 0%, rgba(27,110,126,.09), transparent 42%), var(--cs-paper); }
.cs-intro .cs-shell { max-width: 900px; }
.cs-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--cs-accent-dark); font: 500 11px/1.4 "IBM Plex Mono", monospace; letter-spacing: .11em; text-transform: uppercase; }
.cs-kicker > span { width: 22px; height: 1px; background: var(--cs-gold); }
.cs-intro h1 { max-width: 780px; margin: 0; font: 400 clamp(43px, 6.5vw, 78px)/1.05 Fraunces, Georgia, serif; letter-spacing: -.045em; }
.cs-intro h1 em { color: var(--cs-accent); font-weight: 400; }
.cs-lede { max-width: 690px; margin: 25px 0 0; color: var(--cs-body); font-size: clamp(17px, 1.9vw, 20px); line-height: 1.65; }
.cs-office-line { display: flex; align-items: flex-start; gap: 14px; margin-top: 32px; color: var(--cs-body); }
.cs-pin { flex: 0 0 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--cs-line); color: var(--cs-accent); font-size: 18px; }
.cs-office-line p { margin: 0; font-size: 13px; line-height: 1.65; }
.cs-office-line strong { color: var(--cs-ink); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.cs-call-primary { gap: 15px; width: fit-content; min-width: 270px; margin-top: 28px; padding: 13px 17px; color: #fff; background: var(--cs-accent-dark); border: 1px solid var(--cs-accent-dark); }
.cs-page a.cs-call-primary { color: #fff; }
.cs-call-primary:hover { background: #104b57; }
.cs-call-icon { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid rgba(255,255,255,.48); font-size: 17px; }
.cs-call-primary small { display: block; color: #d6e9ea; font-size: 11px; letter-spacing: .04em; }
.cs-call-primary strong { display: block; margin-top: 1px; font: 500 16px/1.35 "IBM Plex Mono", monospace; }
.cs-arrow { margin-left: auto; font-size: 20px; }
.cs-prep { padding: clamp(56px, 8vw, 100px) 0; background: var(--cs-surface); }
.cs-prep-grid { display: grid; grid-template-columns: minmax(230px, .82fr) minmax(0, 1.18fr); gap: clamp(40px, 8vw, 110px); align-items: start; }
.cs-prep-heading .cs-kicker, .cs-services-head .cs-kicker { margin-bottom: 14px; }
.cs-prep-heading h2, .cs-services-head h2 { max-width: 380px; margin: 0; font: 400 clamp(32px, 4vw, 46px)/1.12 Fraunces, Georgia, serif; letter-spacing: -.035em; }
.cs-prep-heading > p:not(.cs-kicker) { max-width: 360px; margin: 18px 0; color: var(--cs-body); font-size: 15px; }
.cs-text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--cs-accent-dark); font-size: 13px; font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.cs-checklist { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--cs-line); counter-reset: none; }
.cs-checklist li { display: grid; grid-template-columns: 45px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--cs-line); }
.cs-number { padding-top: 2px; color: var(--cs-accent); font: 500 12px/1.5 "IBM Plex Mono", monospace; }
.cs-checklist h3 { margin: 0; color: var(--cs-ink); font: 500 18px/1.3 Fraunces, Georgia, serif; }
.cs-checklist p { max-width: 500px; margin: 6px 0 0; color: var(--cs-body); font-size: 14px; line-height: 1.6; }
.cs-services { padding: 60px 0 76px; background: var(--cs-paper); }
.cs-services-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.cs-services-head h2 { max-width: none; font-size: clamp(30px, 3.6vw, 40px); }
.cs-service-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--cs-line); border-bottom: 1px solid var(--cs-line); }
.cs-service-links a { display: grid; grid-template-columns: 30px 1fr 20px; gap: 10px; align-items: center; min-height: 78px; padding: 14px 14px 14px 0; color: var(--cs-ink); text-decoration: none; }
.cs-service-links a + a { padding-left: 18px; border-left: 1px solid var(--cs-line); }
.cs-service-links a > span:first-child { color: var(--cs-muted); font: 500 10px/1 "IBM Plex Mono", monospace; }
.cs-service-links strong { font-size: 13px; line-height: 1.3; }
.cs-link-arrow { color: var(--cs-accent); text-align: right; }
.cs-service-links a:hover strong { color: var(--cs-accent-dark); text-decoration: underline; text-underline-offset: 4px; }
.cs-footer { padding: 24px 0; background: var(--cs-ink); color: #f6f3ec; }
.cs-footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.cs-footer .cs-wordmark { color: #f6f3ec; }
.cs-footer .cs-mark { border-color: #83c3ce; color: #83c3ce; }
.cs-footer .cs-wordmark small { color: #bbc6d8; }
.cs-footer p { margin: 0; color: #d3d9e3; font-size: 12px; }
.cs-footer-inner > a:last-child { color: #fff; font: 500 13px "IBM Plex Mono", monospace; text-underline-offset: 3px; }

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .cs-page {
    --cs-paper: #101827;
    --cs-surface: #172235;
    --cs-ink: #edf0f6;
    --cs-body: #c2cada;
    --cs-muted: #9ba7bb;
    --cs-line: #354158;
    --cs-accent: #68c2cc;
    --cs-accent-dark: #78cbd3;
    --cs-accent-soft: #203744;
    --cs-gold: #e2ae66;
  }
  html:not([data-theme="light"]) .cs-page a.cs-call-primary, html:not([data-theme="light"]) .cs-page a.cs-call-primary * { color: #071b24; }
  html:not([data-theme="light"]) .cs-page a.cs-call-primary { background: #8ad3d8; border-color: #8ad3d8; }
  html:not([data-theme="light"]) .cs-page .cs-call-primary small { color: #183c46; }
  html:not([data-theme="light"]) .cs-page .cs-call-primary .cs-call-icon { border-color: rgba(7,27,36,.45); }
  html:not([data-theme="light"]) .cs-page .cs-call-primary:hover { background: #a5e3e5; }
  html:not([data-theme="light"]) .cs-page .cs-footer { background: #0b1220; }
}
html[data-theme="dark"] .cs-page { --cs-paper:#101827; --cs-surface:#172235; --cs-ink:#edf0f6; --cs-body:#c2cada; --cs-muted:#9ba7bb; --cs-line:#354158; --cs-accent:#68c2cc; --cs-accent-dark:#78cbd3; --cs-accent-soft:#203744; --cs-gold:#e2ae66; }
html[data-theme="dark"] .cs-page a.cs-call-primary, html[data-theme="dark"] .cs-page a.cs-call-primary * { color:#071b24; }
html[data-theme="dark"] .cs-page a.cs-call-primary { background:#8ad3d8; border-color:#8ad3d8; }
html[data-theme="dark"] .cs-page .cs-call-primary small { color:#183c46; }
html[data-theme="dark"] .cs-page .cs-call-primary .cs-call-icon { border-color:rgba(7,27,36,.45); }
html[data-theme="dark"] .cs-page .cs-footer { background:#0b1220; }
html[data-theme="light"] .cs-page { --cs-paper:#f6f3ec; --cs-surface:#fffdf8; --cs-ink:#10213f; --cs-body:#46516a; --cs-muted:#687288; --cs-line:#d9d2c3; --cs-accent:#1b6e7e; --cs-accent-dark:#155e6c; --cs-accent-soft:#e4eff0; --cs-gold:#c27a27; color-scheme: light; }

@media (max-width: 920px) {
  .cs-header-inner { display: grid; grid-template-columns: 1fr auto; gap: 12px 20px; padding: 14px 0; }
  .cs-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; flex-wrap: wrap; gap: 8px 22px; padding: 4px 0; }
  .cs-call-header { grid-column: 2; grid-row: 1; }
  .cs-service-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-service-links a:nth-child(3) { border-left: 0; padding-left: 0; }
  .cs-service-links a:nth-child(n+3) { border-top: 1px solid var(--cs-line); }
}
@media (max-width: 620px) {
  .cs-shell, .cs-header-inner { width: min(100% - 36px, 500px); }
  .cs-header-inner { grid-template-columns: 1fr auto; gap: 12px; }
  .cs-mark { width: 36px; height: 36px; font-size: 23px; }
  .cs-wordmark { gap: 9px; }
  .cs-wordmark strong { font-size: 22px; }
  .cs-wordmark small { font-size: 8px; }
  .cs-call-header { min-height: 40px; padding: 7px 9px; font-size: 0; }
  .cs-call-header span { margin: 0; font-size: 11px; }
  .cs-nav { gap: 6px 17px; }
  .cs-nav a { font-size: 12px; }
  .cs-intro { padding: 48px 0 54px; }
  .cs-intro h1 { font-size: clamp(42px, 12vw, 58px); }
  .cs-lede { margin-top: 18px; font-size: 16px; }
  .cs-office-line { margin-top: 24px; }
  .cs-call-primary { width: 100%; min-width: 0; }
  .cs-prep { padding: 54px 0; }
  .cs-prep-grid { grid-template-columns: 1fr; gap: 30px; }
  .cs-prep-heading h2 { max-width: 360px; }
  .cs-services { padding: 48px 0 54px; }
  .cs-services-head { display: block; }
  .cs-services-head h2 { max-width: 320px; }
  .cs-service-links { grid-template-columns: 1fr; }
  .cs-service-links a, .cs-service-links a + a, .cs-service-links a:nth-child(3) { min-height: 60px; padding: 12px 0; border-left: 0; }
  .cs-service-links a + a { border-top: 1px solid var(--cs-line); }
  .cs-footer-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 360px) {
  .cs-shell, .cs-header-inner { width: calc(100% - 28px); }
  .cs-header-inner { gap: 10px; }
  .cs-call-header { padding-inline: 7px; }
  .cs-call-header span { font-size: 10px; }
  .cs-nav { gap: 4px 13px; }
  .cs-nav a { font-size: 11px; }
  .cs-checklist li { grid-template-columns: 34px 1fr; gap: 10px; }
}