.case-study-page{.cs-hero{min-height:72vh;position:relative;display:flex;align-items:flex-end;overflow:hidden}.cs-hero-bg{position:absolute;inset:0;z-index:0}.cs-hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.35) saturate(.75)}.cs-hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,var(--bg) 0%,transparent 55%)}.cs-hero-content{position:relative;z-index:2;width:100%;padding-bottom:clamp(3rem,6vw,5rem);.breadcrumb{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-top:2rem;margin-bottom:1.5rem;a{color:var(--text-muted)}a:hover,span{color:var(--brand)}}}.cs-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.cs-tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:.3rem .75rem;border:1px solid var(--line-strong);border-radius:100px;color:var(--brand)}.cs-hero-content h1{font-size:clamp(2.5rem,6vw,4.5rem);margin-bottom:1.25rem;max-width:18ch}.cs-hero-content .lead{max-width:56ch;font-size:clamp(1rem,1.5vw,1.15rem);color:var(--text-muted)}.cs-meta-strip{background:var(--bg-elev);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cs-meta-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}.cs-meta-item{padding:1.75rem var(--gutter);border-right:1px solid var(--line)}.cs-meta-item:last-child{border-right:none}.cs-meta-item .label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.5rem}.cs-meta-item .value{font-size:.95rem;font-weight:500;color:var(--text)}.cs-body{display:grid;grid-template-columns:1fr 280px;gap:4rem;padding:clamp(3rem,7vw,5rem) 0}.cs-content{min-width:0}.cs-sidebar{position:sticky;top:6rem;align-self:start}.cs-toc{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-md);padding:1.5rem;margin-bottom:1.5rem}.cs-toc h5{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:1rem}.cs-toc ol{counter-reset:toc;list-style:none}.cs-toc li{counter-increment:toc;margin-bottom:.4rem}.cs-toc a{font-size:.85rem;color:var(--text-muted);display:flex;gap:.6rem;transition:color .2s}.cs-toc a:before{content:counter(toc,decimal-leading-zero);font-family:var(--font-mono);font-size:.7rem;color:var(--brand);flex-shrink:0;margin-top:1px}.cs-toc a:hover,.cs-toc a.active{color:var(--text)}.cs-next-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;text-decoration:none;display:block;transition:border-color .3s var(--ease)}.cs-next-card:hover{border-color:var(--brand)}.cs-next-card img{width:100%;height:140px;object-fit:cover;filter:brightness(.7) saturate(.8)}.cs-next-card-body{padding:1.25rem}.cs-next-card-body .label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:.4rem}.cs-next-card-body h5{font-size:1rem;font-weight:500;color:var(--text);margin-bottom:.25rem}.cs-next-card-body p{font-size:.82rem;color:var(--text-muted)}.cs-section{margin-bottom:4rem}.cs-section h2[id],.cs-section h3[id]{scroll-margin-top:5rem}.cs-section h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:1.25rem;color:var(--text)}.cs-section h3{font-size:1.1rem;font-weight:500;color:var(--brand);margin-bottom:.75rem;margin-top:2rem}.cs-section p{font-size:1rem;line-height:1.8;color:var(--text-muted);margin-bottom:1rem}.cs-section p:last-child{margin-bottom:0}.cs-image-full{border-radius:var(--r-lg);overflow:hidden;margin:2.5rem 0;border:1px solid var(--line)}.cs-image-full img{width:100%;height:auto;display:block;filter:brightness(.9) saturate(.9)}.cs-image-full figcaption{padding:.75rem 1.25rem;font-size:.8rem;color:var(--text-dim);background:var(--bg-elev);font-family:var(--font-mono);letter-spacing:.03em}.cs-callout{background:var(--bg-elev);border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:1.25rem 1.5rem;margin:2rem 0}.cs-callout p{font-size:1.05rem;font-style:italic;color:var(--text);margin:0;line-height:1.65}.cs-results{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin:2rem 0}.cs-result-item{background:var(--bg-elev);padding:1.75rem;text-align:center}.cs-result-item .num{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.75rem);color:var(--brand);line-height:1;margin-bottom:.4rem}.cs-result-item .desc{font-size:.82rem;color:var(--text-dim);line-height:1.4}.cs-stack{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.cs-stack-pill{font-family:var(--font-mono);font-size:.72rem;padding:.3rem .75rem;background:var(--bg-soft);border:1px solid var(--line);border-radius:100px;color:var(--text-muted)}.cs-steps{margin:1.5rem 0}.cs-step{display:flex;gap:1.25rem;margin-bottom:1.5rem}.cs-step-num{width:2rem;height:2rem;flex-shrink:0;background:var(--brand);color:var(--bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.7rem;font-weight:600}.cs-step-body h4{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:.3rem}.cs-step-body p{font-size:.9rem;margin:0}.cs-testimonial{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:2.5rem;margin:2rem 0}.cs-testimonial blockquote{font-family:var(--font-display);font-size:clamp(1.15rem,2.5vw,1.4rem);line-height:1.55;color:var(--text);margin-bottom:1.5rem}.cs-testimonial blockquote:before{content:"“";color:var(--brand)}.cs-testimonial blockquote:after{content:"”";color:var(--brand)}.cs-testimonial-author{display:flex;align-items:center;gap:1rem}.cs-testimonial-author .avatar{width:2.75rem;height:2.75rem;border-radius:50%;background:var(--bg-soft);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1rem;color:var(--brand);flex-shrink:0}.cs-testimonial-author .name{font-size:.9rem;font-weight:600}.cs-testimonial-author .role{font-size:.78rem;color:var(--text-muted)}.cs-cta-bar{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(2rem,4vw,3rem);display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-bottom:4rem;flex-wrap:wrap}.cs-cta-bar h3{font-size:clamp(1.25rem,2.5vw,1.75rem);margin-bottom:.4rem}.cs-cta-bar p{font-size:.9rem;color:var(--text-muted);margin:0}@media(max-width:900px){.cs-body{grid-template-columns:1fr;gap:2.5rem}.cs-sidebar{position:static}.cs-meta-strip .container{grid-template-columns:repeat(2,1fr)}.cs-meta-item:nth-child(2){border-right:none}}@media(max-width:600px){.cs-meta-strip .container{grid-template-columns:1fr 1fr}.cs-results{grid-template-columns:1fr}.cs-cta-bar{flex-direction:column;align-items:flex-start}}}