/* ------------------------------------------------------------------
 * Case Study styles
 * ------------------------------------------------------------------ */

/* ---------- single case study: dark hero ---------- */
.case-study-page{padding:0 0 80px}
.case-study-hero-dark{
  background:var(--ink);color:var(--cream);
  padding:48px 0 56px;position:relative;overflow:hidden;
}
.case-hero-dark-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;
}
.case-hero-dark-text{max-width:640px}
.case-study-hero-dark .eyebrow{color:var(--amber-soft)}
.case-hero-dark-text h1{
  font-family:var(--display);font-weight:700;color:var(--cream);
  font-size:clamp(34px,4.5vw,52px);line-height:1.05;letter-spacing:-.03em;
  margin:22px 0 20px;
}
.case-hero-dark-text .case-summary{
  color:var(--on-dark);font-size:clamp(16px,1.6vw,19px);line-height:1.6;
  margin:0 0 26px;max-width:540px;
}
.case-hero-dark-image img{
  width:100%;height:auto;border-radius:3px;display:block;
  box-shadow:0 34px 80px -30px rgba(0,0,0,.45);
}
.case-hero-result{
  display:inline-flex;flex-direction:column;align-items:flex-start;
  border-left:3px solid var(--amber);padding-left:22px;margin-top:4px;
}
.case-hero-result .big{
  font-family:var(--display);font-weight:700;font-size:clamp(40px,5vw,58px);
  letter-spacing:-.03em;line-height:1;color:var(--cream);
}
.case-hero-result .big .dot{color:var(--amber)}
.case-hero-result .lab{color:var(--on-dark);font-size:15px;margin-top:8px}

/* hero without image */
.case-study-hero-dark.no-image{padding:56px 0 64px}
.case-study-hero-dark.no-image .case-hero-dark-inner{grid-template-columns:1fr;text-align:center;justify-items:center}
.case-study-hero-dark.no-image .case-hero-dark-text{max-width:720px}
.case-study-hero-dark.no-image .eyebrow{justify-content:center}
.case-study-hero-dark.no-image .case-summary{margin-left:auto;margin-right:auto}
.case-study-hero-dark.no-image .case-hero-result{align-items:center;border-left:none;border-top:3px solid var(--amber);padding-left:0;padding-top:18px}

/* ---------- meta bar ---------- */
.case-study-meta-bar{
  background:var(--cream-2);border-bottom:1px solid var(--line);padding:32px 0;
}
.case-meta-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
}
.case-meta-item{
  display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:6px;
  padding:0 24px;
}
.case-meta-item:first-child{padding-left:0}
.case-meta-item:last-child{padding-right:0}
.case-meta-item + .case-meta-item{border-left:1px solid var(--line)}
.case-meta-label{
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
}
.case-meta-value{
  font-family:var(--display);font-weight:600;font-size:22px;color:var(--ink);line-height:1.2;
}
.case-meta-value .dot{color:var(--amber)}
.case-meta-sub{
  font-size:14px;color:var(--muted);
}

/* ---------- article layout ---------- */
.case-study-article{padding:64px 0 0}
.case-study-layout{
  display:grid;grid-template-columns:280px 1fr;gap:64px;align-items:start;
}
.case-study-sidebar{position:sticky;top:130px}
.case-study-sidebar-inner{
  background:var(--cream-2);border:1px solid var(--line);border-radius:3px;
  padding:28px;
}

/* TOC */
.case-toc h3{
  font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.05em;
  text-transform:uppercase;margin-bottom:16px;color:var(--ink);
}
.case-toc ul{list-style:none;padding:0;margin:0}
.case-toc li{margin-bottom:4px}
.case-toc a{
  display:block;color:var(--muted);font-size:14px;line-height:1.45;
  padding:6px 0;border-bottom:1px solid var(--line-2);transition:color .2s;
}
.case-toc a.case-toc-h3{padding-left:14px;font-size:13px}
.case-toc a:hover{color:var(--ink)}
.case-toc a.active{color:var(--blue);font-weight:600}

/* content */
.case-study-content{
  font-size:17px;line-height:1.8;color:var(--ink-soft);max-width:760px;
}
.case-study-content h2,
.case-study-content h3{
  font-family:var(--display);font-weight:600;color:var(--ink);
  letter-spacing:-.02em;margin:52px 0 22px;
  scroll-margin-top:140px;
}
.case-study-content h2{font-size:32px}
.case-study-content h3{font-size:24px}
.case-study-content p{margin-bottom:24px;color:var(--ink-soft)}
.case-study-content ul,.case-study-content ol{margin:0 0 24px 28px}
.case-study-content li{margin-bottom:12px}
.case-study-content li::marker{color:var(--amber)}
.case-study-content img,
.case-study-content figure img{max-width:100%;height:auto;border-radius:3px;display:block}
.case-study-content figure{margin:32px 0}
.case-study-content figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.case-study-content a{color:var(--blue);text-decoration:underline}
.case-study-content a:hover{color:var(--ink)}
.case-study-content blockquote{
  border-left:3px solid var(--amber);padding:8px 0 8px 24px;margin:32px 0;
  font-family:var(--display);font-size:22px;font-weight:500;color:var(--ink);
}
.case-study-content strong{color:var(--ink)}
.case-study-content h2:first-child,
.case-study-content h3:first-child{margin-top:0}

/* ---------- CTA band ---------- */
.case-study-cta-band{padding:64px 0 0}
.case-study-cta-band .archive-cta{
  text-align:center;background:var(--ink);color:var(--cream);
  padding:72px 48px;border-radius:3px;
}
.case-study-cta-band .archive-cta h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.03em;
  max-width:640px;margin:0 auto 22px;color:var(--cream);
}
.case-study-cta-band .archive-cta p{
  color:var(--on-dark);font-size:18px;max-width:560px;margin:0 auto 34px;
}
.case-study-cta-band .archive-cta .btn-primary{
  background:var(--amber);color:var(--ink);border-color:var(--amber);
}
.case-study-cta-band .archive-cta .btn-primary:hover{
  background:var(--amber-soft);border-color:var(--amber-soft);
}

/* ---------- more cases ---------- */
.more-cases{padding:80px 0 0}
.more-cases .sec-head{text-align:center;max-width:640px;margin:0 auto 48px}
@media(max-width:680px){
  .more-cases .cases{grid-template-columns:repeat(2,1fr)}
  .more-cases .cases > *:nth-child(3){display:none}
}

/* ---------- case nav ---------- */
.case-study-nav{
  padding:64px 0 0;border-top:1px solid var(--line);margin-top:64px;
}
.case-nav-grid{
  display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;
}
.case-nav-item{
  display:flex;flex-direction:column;gap:6px;
  background:var(--cream-2);border:1px solid var(--line);border-radius:3px;
  padding:22px 26px;transition:border-color .25s,background .25s;
}
.case-nav-item:hover{background:var(--cream-3);border-color:var(--line-2)}
.case-nav-label{font-size:13px;color:var(--muted)}
.case-nav-title{font-family:var(--display);font-weight:600;font-size:17px;color:var(--ink);line-height:1.2}
.case-nav-next{text-align:right}
.case-nav-all{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;border:1px solid var(--line);border-radius:3px;
  font-weight:600;font-size:14px;color:var(--blue);transition:border-color .25s;
}
.case-nav-all:hover{border-color:var(--blue)}

/* ---------- archive: case list (one case per row) ---------- */
.case-archive-page{padding:56px 0 96px}
.case-archive-hero{text-align:center;max-width:760px;margin:0 auto 72px;padding-top:0}
.case-archive-hero .eyebrow{justify-content:center}
.case-archive-hero h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(34px,4.5vw,52px);line-height:1.05;letter-spacing:-.03em;
  margin:22px 0 20px;
}
.case-archive-hero p{
  color:var(--muted);font-size:clamp(16px,1.6vw,19px);line-height:1.6;
}
.case-archive-empty{text-align:center;color:var(--muted);padding:40px 0}

.case-list{display:flex;flex-direction:column;gap:18px}
.case-row{
  display:grid;grid-template-columns:200px 1fr minmax(140px,max-content);gap:48px;align-items:center;
  background:var(--cream-2);border:1px solid var(--line);border-radius:3px;
  padding:40px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.case-row:not(.has-image){grid-template-columns:1fr minmax(140px,max-content)}
.case-row-image{width:200px;flex-shrink:0}
.case-row:hover{
  transform:translateY(-3px);
  box-shadow:0 20px 50px -24px rgba(13,25,41,.28);
  border-color:var(--line-2);
}
.case-row-image img{
  width:100%;height:130px;object-fit:cover;border-radius:3px;display:block;
}
.case-row-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-bottom:8px}
.case-row-sector{
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);
  background:rgba(21,69,126,.08);padding:5px 11px;border-radius:2px;
}
.case-row-services{font-size:13px;color:var(--muted)}
.case-row-title{
  font-family:var(--display);font-weight:600;font-size:clamp(24px,2.6vw,32px);
  letter-spacing:-.02em;line-height:1.1;margin:0 0 12px;
}
.case-row-summary{color:var(--muted);font-size:15px;line-height:1.6}
.case-row-result{
  display:flex;flex-direction:column;align-items:flex-end;justify-content:center;
  border-left:1px solid var(--line);padding-left:24px;min-height:100%;
}
.case-row-big{
  font-family:var(--display);font-weight:700;font-size:clamp(32px,3.5vw,46px);
  letter-spacing:-.03em;line-height:1;white-space:nowrap;
}
.case-row-big .dot{color:var(--amber)}
.case-row-label{color:var(--muted);font-size:14px;margin-top:6px;text-align:right}
.case-row-btn{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-weight:600;font-size:14px;color:var(--blue);transition:gap .25s;
}
.case-row:hover .case-row-btn{gap:14px}

/* archive CTA */
.archive-cta{
  text-align:center;background:var(--ink);color:var(--cream);
  padding:72px 48px;border-radius:3px;margin-top:64px;
}
.archive-cta h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.03em;
  max-width:640px;margin:0 auto 22px;color:var(--cream);
}
.archive-cta p{
  color:var(--on-dark);font-size:18px;max-width:560px;margin:0 auto 34px;
}
.archive-cta .btn-primary{
  background:var(--amber);color:var(--ink);border-color:var(--amber);
}
.archive-cta .btn-primary:hover{
  background:var(--amber-soft);border-color:var(--amber-soft);
}
.case-archive-page .pagination{margin-top:48px;text-align:center}

/* case card button */
.case-btn{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-weight:600;font-size:14px;color:var(--blue);transition:gap .25s;
}
.case:hover .case-btn{gap:14px}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .case-hero-dark-inner{grid-template-columns:1fr;gap:44px;text-align:center;justify-items:center}
  .case-hero-dark-text{max-width:680px}
  .case-study-hero-dark .eyebrow{justify-content:center}
  .case-hero-dark-text .case-summary{margin-left:auto;margin-right:auto}
  .case-hero-result{align-items:center;margin-left:auto;margin-right:auto}
  .case-hero-dark-image{order:-1;max-width:520px}
  .case-study-hero-dark.no-image .case-hero-dark-inner{gap:0}

  .case-meta-grid{grid-template-columns:1fr 1fr;gap:24px 32px}
  .case-meta-item,
  .case-meta-item + .case-meta-item{border:none;padding:0}

  .case-study-layout{grid-template-columns:1fr;gap:40px}
  .case-study-sidebar{position:static}
  .case-study-content{max-width:none}

  .case-row{grid-template-columns:200px 1fr;gap:40px}
  .case-row:not(.has-image){grid-template-columns:1fr}
  .case-row-image{width:100%}
  .case-row-result{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:20px;margin-top:4px}
  .case-row-label{text-align:left}
  .archive-cta{margin-top:72px}
}
@media(max-width:680px){
  .case-study-hero-dark{padding:64px 0 56px}
  .case-hero-dark-text h1{font-size:clamp(32px,8vw,44px)}
  .case-hero-result{padding-top:16px}
  .case-hero-dark-image{max-width:100%}
  .case-study-article{padding:48px 0 0}
  .case-study-sidebar-inner{display:block}
  .case-study-content h2{font-size:26px}
  .case-study-content h3{font-size:21px}

  .case-meta-grid{grid-template-columns:1fr}
  .case-meta-item{padding:0 0 20px}
  .case-meta-item + .case-meta-item{border-left:none;border-top:1px solid var(--line);padding-top:20px}
  .case-meta-item:last-child{padding-bottom:0}

  .case-row{grid-template-columns:1fr;padding:28px}
  .case-row-image img{height:200px}
  .case-row-result{flex-direction:column;align-items:flex-start}
  .case-row-label{text-align:left}

  .case-study-cta-band .archive-cta{padding:52px 24px}
  .case-nav-grid{grid-template-columns:1fr;gap:16px}
  .case-nav-next{text-align:left}
}
@media(prefers-reduced-motion:reduce){
  .case-row,.case-hero-dark-image img,.case-hero-result{transition:none}
}