/* ===== Version C: case study pages (Modu) ===== */
.cs-hero .hero-inner{padding-bottom:8px}
.cs-hero h1{font-size:clamp(72px,11vw,176px)!important;line-height:.86!important;letter-spacing:-.06em!important;margin:28px 0 36px}
.cs-hero-b{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:end}
.cs-hero-b .lede{margin:0;max-width:720px}
.cs-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;margin:0}
.cs-facts div{border-top:1px solid var(--ink);padding-top:10px}
.cs-facts dt{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.cs-facts dd{margin:0;font-size:14px;line-height:1.4}
.cs-facts a{text-decoration:underline;text-underline-offset:3px}
.cs-sheet .wrap{position:relative;z-index:1}
.cs-lead{padding:40px 0 24px}
.cs-img{margin:0;border-radius:22px;overflow:hidden;background:var(--night-2)}
.cs-img img{display:block;width:100%;height:auto}
.cs-sec{display:grid;grid-template-columns:4fr 8fr;gap:56px;padding:96px 0 48px;border-top:1px solid var(--line-d);margin-top:56px}
.cs-sec:first-child{margin-top:0}
.cs-sec h2{margin:0;font-size:clamp(28px,2.8vw,40px);font-weight:600;letter-spacing:-.04em;line-height:1.05}
.cs-sec .kicker{display:block;margin-bottom:14px;font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:rgba(243,240,234,.5)}
.cs-body{max-width:760px;font-size:18px;line-height:1.62;color:rgba(243,240,234,.78)}
.cs-body p{margin:0 0 18px}
.cs-body ul,.cs-body ol{margin:0 0 18px;padding-left:22px}
.cs-body li{margin-bottom:8px}
.cs-body h3{margin:30px 0 8px;font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--paper);font-weight:600}
.cs-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 40px;max-width:none}
.cs-cols h3{margin-top:12px}
.cs-media{margin-top:32px}
.cs-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cs-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cs-bleed{margin:56px -12px 0;border-radius:0}
.cs-bleed img{width:100%}
.cs-strip{margin-top:40px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x mandatory;padding:0 max(64px,calc((100vw - 1312px)/2));scroll-padding:0 max(64px,calc((100vw - 1312px)/2))}
.cs-strip::-webkit-scrollbar{display:none}
.cs-strip-t{display:flex;gap:20px;width:max-content}
.cs-strip figure{flex:0 0 auto;width:min(720px,78vw);scroll-snap-align:start;margin:0;border-radius:18px;overflow:hidden;background:var(--night-2)}
.cs-strip figure:last-child{margin-right:max(64px,calc((100vw - 1312px)/2))}
.cs-strip img{display:block;width:100%;height:auto}
.cs-strip-n{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:rgba(243,240,234,.5)}
.cs-next{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:96px 0 40px;margin-top:72px;border-top:1px solid var(--line-d)}
.cs-next h3{margin:0;font-size:clamp(36px,4vw,60px);letter-spacing:-.05em;font-weight:600}
@media (max-width:820px){
  .cs-hero-b,.cs-sec,.cs-cols{grid-template-columns:1fr;gap:20px}
  .cs-pair,.cs-trio{grid-template-columns:1fr;gap:14px}
  .cs-sec{padding:56px 0 24px;margin-top:32px}
  .cs-body{font-size:16px}
  .cs-strip{padding:0 20px;scroll-padding:0 20px}
  .cs-strip figure:last-child{margin-right:20px}
  .cs-next{flex-direction:column;align-items:flex-start}
}
/* ---- password gate (light protection only: static mockup) ---- */
.gate{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:var(--night);color:var(--paper);overflow:hidden;isolation:isolate}
html.locked .gate{display:flex}
html.locked body{overflow:hidden}
html.locked .cs-page{visibility:hidden}
.gate .glow{--gc:122,85,96;--gs:1000px}
.gate-in{position:relative;z-index:1;width:min(560px,calc(100vw - 48px))}
.gate .eyebrow{color:rgba(243,240,234,.55)}
.gate h1{margin:18px 0 14px;font-size:clamp(40px,5vw,64px);line-height:.98;letter-spacing:-.05em;font-weight:600}
.gate h1 em{font-family:"Instrument Serif",serif;font-weight:400;color:#e7b7a8}
.gate p{margin:0 0 32px;color:rgba(243,240,234,.62);font-size:16px;line-height:1.55}
.gate form{display:flex;gap:10px}
.gate input{flex:1;min-width:0;height:52px;padding:0 20px;border-radius:999px;border:1px solid rgba(243,240,234,.24);background:rgba(243,240,234,.05);color:var(--paper);font:inherit;font-size:15px;outline:none;transition:border-color .3s}
.gate input:focus{border-color:rgba(243,240,234,.7)}
.gate button{height:52px;padding:0 24px;border-radius:999px;border:0;background:var(--paper);color:var(--ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:transform .3s var(--ease)}
.gate button:hover{transform:scale(.97)}
.gate-err{min-height:22px;margin-top:14px;font-size:13px;color:#e7b7a8}
.gate.shake form{animation:gshake .4s}
@keyframes gshake{25%{transform:translateX(-8px)}50%{transform:translateX(8px)}75%{transform:translateX(-4px)}}
.gate-back{display:inline-block;margin-top:28px;font-size:13px;color:rgba(243,240,234,.55)}
.gate-back:hover{color:var(--paper)}
.gate-note{position:absolute;left:0;right:0;bottom:24px;text-align:center;font-size:11px;letter-spacing:.08em;color:rgba(243,240,234,.3);z-index:1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.cs-fc{padding:12px 4px 0;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:rgba(243,240,234,.6);background:var(--night)}
.cs-trio .cs-img,.cs-pair .cs-img{background:transparent}
/* ===== reading layout (matches live case pages): sticky TOC + one reading column ===== */
.sheet.cs-sheet{overflow:visible}
.cs-sheet>.glow-clip{position:absolute;inset:0;overflow:hidden;border-radius:inherit;pointer-events:none;z-index:0}
.cs-lead{max-width:1100px;margin:0 auto}
.cs-layout{display:grid;grid-template-columns:220px minmax(0,820px);gap:72px;justify-content:center;align-items:start;margin-top:24px}
.cs-toc{position:sticky;top:96px;align-self:start;padding-top:72px}
.cs-toc-h{display:block;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:rgba(243,240,234,.4);margin-bottom:14px}
.cs-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line-d);max-height:calc(100vh - 200px);overflow:auto;scrollbar-width:none}
.cs-toc a{display:block;padding:6px 0 6px 16px;margin-left:-1px;border-left:1px solid transparent;font-size:13px;line-height:1.35;color:rgba(243,240,234,.45);transition:color .25s,border-color .25s}
.cs-toc a:hover{color:var(--paper)}
.cs-toc a.on{color:var(--paper);border-left-color:#e7b7a8}
.cs-col{min-width:0}
.cs-sec{display:block;padding:72px 0 8px;margin-top:40px;scroll-margin-top:80px}
.cs-sec>div:first-child{margin-bottom:22px}
.cs-body{max-width:760px;font-size:17px}
.cs-media{margin-top:28px}
.cs-img{border-radius:16px}
.cs-img.is-tall{max-width:480px;margin-left:auto;margin-right:auto}
.cs-pair .cs-img.is-tall,.cs-trio .cs-img.is-tall{max-width:none}
.cs-pair{gap:16px}.cs-trio{gap:14px}
.cs-strip{padding:0;scroll-padding:0;border-radius:16px}
.cs-strip figure{width:min(560px,80%);border-radius:14px}
.cs-strip figure:last-child{margin-right:0}
.cs-strip-t{gap:14px}
.cs-cols{gap:4px 32px}
@media (max-width:1080px){.cs-layout{grid-template-columns:minmax(0,1fr);gap:0}.cs-toc{display:none}}
/* Version C system pass: kicker, TOC and rules use C tokens */
.cs-sec{border-top-color:var(--line-d)}
.cs-sec .kicker{color:#e7b7a8;opacity:.85}
.cs-sec h2{color:var(--paper)}
.cs-toc a{font-family:inherit;letter-spacing:-.005em}
.cs-toc a.on{font-weight:500}
.motion .cs-toc{opacity:0;transform:translate3d(0,12px,0);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.motion .cs-toc.in{opacity:1;transform:none}
/* request.html: gate screen as an in-page section (nav above, footer below) */
.gate.rq{position:relative;inset:auto;display:flex;min-height:calc(100vh - var(--navh,64px));z-index:2;border-radius:0 0 var(--sheet-r,28px) var(--sheet-r,28px)}
.rq h1 #rq-name{white-space:normal}
.rq-actions{display:flex;gap:10px}
.rq-btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 26px;border-radius:999px;background:var(--paper);color:var(--ink);font-size:14px;font-weight:600;transition:transform .3s var(--ease)}
.rq-btn:hover{transform:scale(.97)}
@media (prefers-reduced-motion:reduce){.rq-btn{transition:none}.rq-btn:hover{transform:none}}