/* Case study layout — khasiyev two-column: sticky left rail + right stream */
.cs-layout{display:grid;grid-template-columns:minmax(280px,460px) 1fr;gap:clamp(36px,6vw,110px);align-items:start;padding-top:clamp(20px,4vh,40px)}
.cs-rail{position:sticky;top:92px}
.cs-back{display:inline-block;margin-bottom:clamp(20px,4vh,36px);font-size:13px;color:var(--muted)}
.cs-rail h1{font-size:clamp(28px,2.8vw,42px);font-weight:500;letter-spacing:-.01em;line-height:1.05;margin-bottom:16px}
.cs-summary{font-family:var(--font-body);font-size:16px;line-height:1.55;color:var(--ink);max-width:34ch;text-wrap:pretty}
.cs-meta{margin-top:clamp(24px,4vh,40px)}
.cs-meta summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);user-select:none}
.cs-meta summary::-webkit-details-marker{display:none}
.cs-meta summary .k{margin:0}
.cs-meta summary .chev{margin-left:auto;color:var(--muted);transition:transform .25s ease}
.cs-meta[open] summary .chev{transform:rotate(180deg)}
.cs-meta-body{padding-top:16px}
.cs-meta[open] .cs-meta-body{animation:metain .4s cubic-bezier(.22,1,.36,1)}
@keyframes metain{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.cs-meta-body div{margin-bottom:16px}
.cs-meta .k{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.cs-meta .v{display:block;font-size:13px;color:var(--ink)}
.cs-stats{display:flex;gap:24px;flex-wrap:wrap;margin-top:14px}
.cs-stats .stat .n{font-size:clamp(28px,2.4vw,38px);font-weight:500;letter-spacing:-.01em}
.cs-stats .stat .n small{font-size:.6em;color:var(--muted)}
.cs-stats .stat .l{font-size:12px;color:var(--muted);margin-top:3px;max-width:16ch}
/* right stream */
.cs-stream{min-width:0}
.cs-hero{height:clamp(360px,58vh,660px);background:var(--bg2);overflow:hidden}
.cs-hero image-slot{width:100%;height:100%;display:block}
.cs-section{margin:clamp(44px,8vh,90px) 0}
.cs-section h2{font-size:clamp(22px,2vw,30px);font-weight:600;letter-spacing:-.01em;line-height:1.2;max-width:34ch;margin-bottom:18px}
.cs-section p{max-width:68ch;color:var(--muted);font-size:17px;line-height:1.65;margin-bottom:15px;text-wrap:pretty}
.cs-section p strong{color:var(--ink);font-weight:600}
.cs-stake{border-top:1px solid var(--line);padding-top:16px;margin-top:20px;max-width:68ch;font-size:18px;color:var(--ink)}
.cs-pull{font-family:var(--font-serif);font-style:italic;font-size:clamp(24px,2.6vw,34px);line-height:1.3;max-width:32ch;color:var(--ink);margin:clamp(44px,8vh,90px) 0}
.cs-media{margin:clamp(28px,5vh,52px) 0}
.cs-media image-slot{width:100%;aspect-ratio:16/9;display:block;background:var(--bg2)}
.cs-media figcaption{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:10px 2px 0}
.cs-list{border-top:1px solid var(--line);max-width:none}
.cs-list .li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.cs-list .li .idx{font-family:var(--font-mono);font-size:11px;color:var(--muted);padding-top:4px}
.cs-list .li h4{font-size:17px;font-weight:600;margin-bottom:6px}
.cs-list .li p{font-size:16px;margin:0;max-width:75ch}
.cs-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.cs-palette{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:20px;max-width:760px}
.cs-palette{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:24px;max-width:none}
.cs-swatch{border:1px solid var(--line)}
.cs-swatch .chip{height:72px}
.cs-swatch .info{padding:11px;font-size:13px}
.cs-swatch .info b{display:block;font-weight:600}
.cs-swatch .info span{color:var(--muted);font-family:var(--font-mono);font-size:10px}
.cs-type{border-top:1px solid var(--line);max-width:none;margin-top:22px}
.cs-type .row{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.cs-type .row .f{font-weight:600}
.cs-type .row .w{font-family:var(--font-mono);font-size:11px;color:var(--muted);align-self:center}
.cs-type .row .u{color:var(--muted)}
.cs-gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.cs-gallery--three{grid-template-columns:repeat(3,1fr)}
.cs-gallery--phones{grid-template-columns:repeat(4,1fr)}
.cs-gallery--phones image-slot{aspect-ratio:9/16}
.cs-gallery figure{margin:0}
.cs-gallery image-slot{width:100%;aspect-ratio:4/3;display:block;background:var(--bg2)}
.cs-gallery figcaption{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:9px 2px 0}
/* next project — quiet row like the reference */
.cs-next{border-top:1px solid var(--line);margin-top:clamp(56px,10vh,120px)}
.cs-next a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0 clamp(48px,8vh,90px)}
.cs-next .mono{font-size:11px}
.cs-next .nx{font-size:15px;color:var(--muted);display:flex;align-items:center;gap:8px}
.cs-next a:hover .nx{color:var(--ink)}
@media (max-width:900px){
  .cs-layout{grid-template-columns:1fr;gap:36px}
  .cs-rail{position:static}
  .cs-gallery,.cs-gallery--three{grid-template-columns:1fr}
  .cs-gallery--phones{grid-template-columns:1fr 1fr}
  .cs-hero{height:clamp(240px,45vw,420px)}
  .cs-list .li{grid-template-columns:1fr}.cs-list .li .idx{padding:0}
}

/* ── "coming soon" case-study state ──────────────────────────────────────────
   Built by build.py for the pages listed in COMING_SOON. Those projects have
   their copy written but almost none of their screens, so the real page reads
   as broken; this ships a deliberate holding state with one way back. */
.cs-soon{min-height:min(68vh,600px);max-width:660px;padding:clamp(32px,9vh,96px) 0;
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:18px}
.cs-soon .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:0}
.cs-soon h1{font-size:clamp(38px,6vw,64px);line-height:1.05;letter-spacing:-.02em;margin:0}
.cs-soon .lead{font-size:clamp(16px,2vw,19px);line-height:1.6;color:var(--muted);margin:0;max-width:52ch}
.cs-soon .note{font-size:15px;line-height:1.7;color:var(--muted);margin:0;max-width:52ch}
.cs-soon-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:2px 0 0}
.cs-soon-tags li{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.cs-soon-cta{margin-top:10px}