/* ============================================================
   Case pages — shared base
   Colour: Swiss Signal (tokens-color.css). Type: locked pairing.
   ============================================================ */

@font-face{font-family:'Instrument Serif';src:url('/brand_assets/fonts/woff2/InstrumentSerif-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('/brand_assets/fonts/woff2/InstrumentSerif-Italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Geist';src:url('/brand_assets/fonts/woff2/Geist-Variable.woff2') format('woff2');font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:'Geist Mono';src:url('/brand_assets/fonts/woff2/GeistMono-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Geist',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,monospace;
  --max:1280px;
  --gut:48px;
  --read:68ch;
  --meta-size:13px;
  --meta-color:var(--ink-secondary);
  --media-radius:14px;
  /* every case artefact must read inside one screen */
  --media-cap:min(78vh,820px);
  --s2:16px;--s3:24px;--s4:32px;--s5:48px;--s6:64px;--s7:96px;--s8:128px;--s9:176px;
}

html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:18px;line-height:1.7;background:var(--surface-base);color:var(--ink);
     -webkit-font-smoothing:antialiased;overflow-x:hidden;isolation:isolate}
.site-dither{position:fixed;inset:0;z-index:0;width:100%;height:100%;pointer-events:none;opacity:1}
body>header,body>main,body>footer{position:relative;z-index:1}
html:not([data-hero-texture="d"]) .site-dither{display:none}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
a{color:inherit}
p{max-width:var(--read)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:var(--gut);top:12px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px}

.mono{font-family:var(--mono);font-size:var(--meta-size);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-secondary)}

/* ---------------- nav + variant switcher ---------------- */
.nav{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--surface-base) 88%,transparent);
     backdrop-filter:blur(12px);border-bottom:1px solid var(--line-faint)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:var(--s4);height:64px}
.back{font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
      text-decoration:none;color:var(--ink-muted);transition:color .18s ease;white-space:nowrap}
.back:hover{color:var(--ink)}
.vswitch{display:flex;gap:4px;background:var(--surface-sunken);border-radius:100px;padding:4px}
.vswitch a{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
           text-decoration:none;color:var(--ink-muted);padding:7px 13px;border-radius:100px;
           transition:color .18s ease,background-color .18s ease;white-space:nowrap}
.vswitch a:hover{color:var(--ink)}
.vswitch a[aria-current="page"]{background:var(--surface-base);color:var(--ink);box-shadow:var(--shadow-raised)}
.nav a:focus-visible,.vswitch a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;position:relative;font-family:var(--sans);
     font-size:15px;font-weight:500;line-height:1;padding:15px 24px;border-radius:999px;
     border:1px solid var(--action);background:var(--action);color:var(--on-action);text-decoration:none;
     white-space:nowrap;transition:background-color .18s ease,border-color .18s ease,
     box-shadow .2s ease,transform .22s cubic-bezier(.2,.8,.2,1)}
.btn:hover{background:var(--action-hover);border-color:var(--action-hover)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.btn.metallic{isolation:isolate;overflow:hidden;background:#000;border-color:transparent;
              box-shadow:0 0 0 1px rgba(0,0,0,.3),0 36px 14px rgba(0,0,0,.02),0 20px 12px rgba(0,0,0,.08),
                         0 9px 9px rgba(0,0,0,.12),0 2px 5px rgba(0,0,0,.15)}
.btn.metallic:hover{background:#000;border-color:transparent;
                    box-shadow:0 0 0 1px rgba(0,0,0,.4),0 12px 6px rgba(0,0,0,.05),
                               0 8px 5px rgba(0,0,0,.1),0 4px 4px rgba(0,0,0,.15),0 1px 2px rgba(0,0,0,.2)}
.btn.metallic:active,.btn.metallic.is-pressed{transform:translateY(1px) scale(.98);
                                             box-shadow:0 0 0 1px rgba(0,0,0,.5),0 1px 2px rgba(0,0,0,.3)}
.metallic-button__surface{position:absolute;inset:0;z-index:0;overflow:hidden;border-radius:inherit;
                          pointer-events:none;background:#0b0b0b}
.metallic-button__surface canvas{display:block;width:100%;height:100%}
.btn[data-accent-rim] .metallic-button__surface{background:var(--accent)}
.metallic-button__label{position:relative;z-index:4;text-shadow:0 1px 2px rgba(0,0,0,.54)}
.btn.metallic::before{content:"";position:absolute;inset:2px;z-index:1;border-radius:inherit;pointer-events:none;
                      background:linear-gradient(180deg,#202020 0%,#000 100%);
                      transition:box-shadow .15s cubic-bezier(.4,0,.2,1)}
.btn.metallic:active::before,.btn.metallic.is-pressed::before{
                      box-shadow:inset 0 2px 4px rgba(0,0,0,.4),inset 0 1px 2px rgba(0,0,0,.3)}
.btn.metallic.metallic--light{background:var(--surface-base);color:var(--ink)}
.btn.metallic.metallic--light::before{background:var(--surface-base)}
.metallic--light .metallic-button__label{text-shadow:none}
.btn.metallic.metallic--light:active::before,.btn.metallic.metallic--light.is-pressed::before{
                       box-shadow:inset 0 2px 4px rgba(0,0,0,.08),inset 0 1px 2px rgba(0,0,0,.06)}
.metallic-button__ripple{position:absolute;z-index:3;width:20px;height:20px;border-radius:50%;pointer-events:none;
                         background:radial-gradient(circle,rgba(255,255,255,.34) 0%,rgba(255,255,255,0) 70%);
                         animation:metallic-button-ripple .6s ease-out forwards}
@keyframes metallic-button-ripple{
  from{opacity:.6;transform:translate(-50%,-50%) scale(0)}
  to{opacity:0;transform:translate(-50%,-50%) scale(4)}
}

/* ---------------- hero ---------------- */
.hero{padding-block:var(--s7) var(--s6)}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-muted);
        max-width:none;white-space:nowrap;margin-bottom:var(--s5)}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(42px,5.6vw,82px);line-height:1;letter-spacing:-.035em;max-width:19ch}
h1 em{font-style:italic}
.standfirst{font-size:20px;line-height:1.62;color:var(--ink-secondary);max-width:58ch;margin-top:var(--s5)}

.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:1fr;column-gap:0;margin-top:var(--s7);
       padding-block:var(--s4);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts>div{position:relative;display:grid;grid-template-rows:auto 1fr;align-content:start;
           min-width:0;width:100%;height:100%;padding-right:var(--s4)}
.facts>div:not(:last-child)::after{content:"";position:absolute;top:0;right:calc(var(--s4) / 2);bottom:0;
                                  width:1px;background:var(--line)}
.facts dt{font-family:var(--mono);font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:9px}
.facts dd{min-height:3.1em;font-size:15px;line-height:1.55}

/* ---------------- media ---------------- */
figure{margin:0}
/* One full-bleed frame per artefact: no padded card inside another card. */
.shot{--shot-radius:var(--media-radius);border:1px solid var(--line-strong);border-radius:var(--shot-radius);overflow:hidden;line-height:0;
      background:transparent;padding:0}
.shot.light,.shot.dark{background:transparent}
.shot img{width:100%;height:auto;display:block;border:0;border-radius:calc(var(--shot-radius) - 1px)}

/* One artefact, one screen. Landscape exports simply fill the width; only
   genuinely tall ones are contained, because clamping a near-fitting image
   letterboxes it and costs more than the few pixels it saves. */
/* The stage matches the artefact's own canvas. Every contained export carries a
   white background, so a grey stage split the block into two tones. */
.shot--tall{border:0;background:var(--surface-base);border-radius:var(--media-radius);
            padding:clamp(20px,2.4vw,40px);overflow:hidden}
.shot--tall img{width:auto;max-width:100%;max-height:var(--media-cap);margin-inline:auto;
                border-radius:calc(var(--media-radius) - 6px)}
/* A tall video on the same stage keeps the size its width/height attributes give it (a 2x file would
   otherwise show at its pixel size); when the cap shortens it, contain keeps the picture whole and
   centred, as the image's auto width does. */
.shot--tall video{display:block;max-width:100%;height:auto;max-height:var(--media-cap);margin-inline:auto;
                  object-fit:contain;border-radius:calc(var(--media-radius) - 6px)}
.shot--tall:has(figcaption){border:0;background:var(--surface-base)}
.shot:has(figcaption){border:0;border-radius:0;overflow:visible}
.shot:has(figcaption) img{border-radius:var(--shot-radius)}
.shot figcaption{margin:0;padding:16px 8px 0;background:transparent;text-align:center;max-width:none}
figcaption{font-family:var(--mono);font-size:var(--meta-size);letter-spacing:.08em;text-transform:uppercase;
           color:var(--ink-secondary);line-height:1.5;margin-top:16px;max-width:62ch}

/* Original boards that already carry their own canvas render without a site frame. */
.bare-media{line-height:0;background:transparent;border:0;border-radius:var(--media-radius);overflow:hidden}
.bare-media img{display:block;width:100%;height:auto;border:0;border-radius:var(--media-radius)}

/* Long product flows stay in the document flow: no nested scrolling or framing. */
.flow-sequence{line-height:0;border-radius:var(--media-radius);overflow:hidden}
.flow-sequence img{width:100%;height:auto;display:block;border-radius:var(--media-radius)}

/* Deterministic product walkthroughs replace long screenshot strips with one viewport. */
.flow-animation{--shot-radius:var(--media-radius);line-height:0;background:#202327;border:0;
                border-radius:var(--shot-radius);overflow:hidden}
/* Ratio comes from the video's own width/height attributes (set by build.mjs): Early AI 16:9,
   ROI4Presenter 1920×1366. Forcing 16:9 would crop the ROI4 screens. */
.flow-animation video{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:cover;
                      border-radius:var(--shot-radius)}

.bleed{margin-inline:calc(50% - 50vw);padding-inline:var(--gut)}

/* ---------------- shared type ---------------- */
h2{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3.6vw,52px);line-height:1.06;letter-spacing:-.03em}
h3{font-family:var(--serif);font-weight:400;font-size:clamp(24px,2.3vw,32px);line-height:1.14;letter-spacing:-.02em}
h4{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:-.005em}
.lead{font-size:19px;color:var(--ink-secondary)}
.sec{padding-block:var(--s8)}
.rule{border-top:1px solid var(--line)}

blockquote.q{font-family:var(--serif);font-style:italic;font-size:clamp(22px,2.2vw,30px);line-height:1.3;
             letter-spacing:-.02em;color:var(--ink);border-left:1px solid var(--ink);padding-left:var(--s4);max-width:24ch}
blockquote.q cite{display:block;font-family:var(--mono);font-style:normal;font-size:10px;letter-spacing:.1em;
                  text-transform:uppercase;color:var(--ink-muted);margin-top:18px}

ul.plain{list-style:none;max-width:var(--read)}
ul.plain li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--ink-secondary)}
ul.plain li::before{content:'';position:absolute;left:0;top:13px;width:9px;height:1px;background:var(--line-strong)}

/* ---------------- closing navigation + CTA + footer ---------------- */
/* All four cases in the home page's order. No rule above the block or above the CTA below it:
   the list's own rules carry both edges. */
.next{padding-block:var(--s7)}
.next p{max-width:none}
.next-head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--s3);margin-bottom:var(--s3)}
.next-head p{font-size:14px;line-height:1.4;color:var(--ink-muted)}
.next-all{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;line-height:1.3;text-decoration:none;
          background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;
          transition:background-size .28s cubic-bezier(.2,.8,.2,1),transform .2s ease}
.next-all:hover{background-size:100% 1px}
.next-all:active{transform:translateY(1px)}
.next-all:focus-visible,.next-row:focus-visible{outline:2px solid var(--focus);outline-offset:4px;border-radius:4px}
.next-list{list-style:none}
.next-list li{border-top:1px solid var(--line-strong)}
.next-list li:last-child{border-bottom:1px solid var(--line-strong)}
.next-row{display:grid;grid-template-columns:48px minmax(0,1fr) minmax(0,1fr) 160px;align-items:center;gap:var(--s3);
          padding:20px 0;text-decoration:none;color:inherit}
.next-n{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--ink-secondary)}
.next-name{font-family:var(--serif);font-size:clamp(28px,2.8vw,40px);line-height:1.05;letter-spacing:-.025em;
           transition:transform .32s cubic-bezier(.2,.8,.2,1)}
.next-res{font-size:16.5px;line-height:1.45;color:var(--ink-secondary)}
.next-res b{font-weight:500;color:var(--ink);margin-right:6px}
.next-state{justify-self:end;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-muted)}
.next-chip{font-style:normal;font-size:13px;font-weight:500;line-height:1;padding:7px 11px;border-radius:999px;
           background:var(--accent);color:var(--on-accent)}
.next-arr{display:grid;place-items:center;flex:none;width:38px;height:38px;border:1px solid var(--line-strong);border-radius:50%;
          color:var(--ink-secondary);transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .28s cubic-bezier(.2,.8,.2,1)}
.next-arr svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.is-next .next-arr{border-color:var(--ink);color:var(--ink)}
.is-current .next-n,.is-current .next-name,.is-current .next-res,.is-current .next-res b{color:var(--ink-muted)}
a.next-row:hover .next-name{transform:translateX(8px)}
a.next-row:hover .next-arr{background:var(--ink);border-color:var(--ink);color:var(--surface-base);transform:translateX(4px)}
a.next-row:active .next-arr{transform:scale(.94)}
.cta .wrap{position:relative;padding-block:var(--s8)}
.cta-layout{display:grid;grid-template-columns:minmax(0,1fr) clamp(280px,27vw,420px);
            gap:clamp(56px,8vw,128px);align-items:center}
.cta-copy{min-width:0}
.cta h2{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5.6vw,84px);line-height:.99;
        letter-spacing:-.035em;max-width:15ch}
.cta .row{display:flex;gap:var(--s2);margin-top:var(--s6);flex-wrap:wrap;align-items:center}
.cta-object{position:relative;z-index:3;isolation:isolate;width:100%;aspect-ratio:1;margin:0;justify-self:end;
            transform-origin:center;will-change:transform,opacity}
.cta-object--sphere::before{content:"";position:absolute;z-index:0;inset:13%;border-radius:50%;
                            background:var(--surface-base);pointer-events:none}
.cta-object img,.cta-object video{position:absolute;inset:0;display:block;width:100%;height:100%;
                                  z-index:1;object-fit:contain;pointer-events:none}
.cta-object video{opacity:0}
.cta-object.is-playing video{opacity:1}
.cta-object.is-playing img{opacity:0}
.section-heading-stage{position:relative;isolation:isolate}
.section-heading-stage>h2{position:relative;z-index:1}
.section-title-particles{position:absolute;inset:0;z-index:3;display:block;width:100%;height:100%;pointer-events:none;
                         opacity:0;will-change:opacity}
.cta.motion-reveal-pending .section-heading-stage>h2:not([data-particle-reveal]),
.cta.motion-reveal-pending .row>.btn,
.cta.motion-reveal-pending .cta-object{opacity:0}
.section-rule{position:absolute;top:0;left:var(--gut);right:var(--gut);height:1px;background:var(--line);
              transform-origin:left center;will-change:transform}
.motion-reveal-pending .section-rule,.footer-reveal-pending .footer-rule{transform:scaleX(0)}

footer .wrap{position:relative;display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;
             padding-block:var(--s5) var(--s7)}
.footer-rule{position:absolute;top:0;left:var(--gut);right:var(--gut);height:1px;background:var(--line-faint);
             transform-origin:left center;will-change:transform}
footer.footer-reveal-pending .fc,footer.footer-reveal-pending .fl>a{opacity:0}
footer a,.fc{font-family:var(--mono);font-size:var(--meta-size);letter-spacing:.06em;color:var(--meta-color);text-decoration:none}
footer a{transition:color .18s ease}
footer a:hover{color:var(--ink)}
footer a:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.fl{display:flex;gap:var(--s5);flex-wrap:wrap}

.rise{opacity:0;transform:translateY(16px)}

/* Exact DOM twins keep the dotted-to-solid handoff on one baseline. */
.case-particle-stage{position:relative;isolation:isolate;overflow:visible}
.case-particle-stage>h1:not(.case-dotted-heading),
.case-particle-stage>h2:not(.case-dotted-heading),
.case-particle-stage>h3:not(.case-dotted-heading),
.case-particle-stage>.sv:not(.case-dotted-heading){position:relative;z-index:1}
.case-particle-canvas{position:absolute;z-index:3;display:block;pointer-events:none;opacity:0;will-change:opacity}
.case-particle-stage>.case-dotted-heading{position:absolute;inset:0;z-index:2;pointer-events:none;user-select:none;
  opacity:0;transform:none!important;mask-image:radial-gradient(circle,#000 0 .72px,transparent .96px);
  -webkit-mask-image:radial-gradient(circle,#000 0 .72px,transparent .96px);mask-size:3px 3px;
  -webkit-mask-size:3px 3px;mask-repeat:repeat;-webkit-mask-repeat:repeat}

@media(max-width:900px){
  :root{--gut:22px}
  body{font-size:17px}
  .kicker{white-space:normal}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s4) var(--s3)}
  .facts>div{padding-right:0}
  .facts>div:not(:last-child)::after{display:none}
  .nav .wrap{height:auto;padding-block:12px;flex-wrap:wrap;gap:12px}
  .vswitch{order:3;width:100%;justify-content:space-between}
  blockquote.q{max-width:none}
  .cta-layout{grid-template-columns:1fr;gap:var(--s5)}
  .cta-object{width:min(58vw,300px)}
  /* the index keeps number, name and arrow on one line; the result drops under the name */
  .next-row{grid-template-columns:32px minmax(0,1fr) auto;gap:6px 14px;padding:18px 0}
  .next-res{grid-column:2 / -1}
  .next-state{grid-column:3;grid-row:1}
}
@media(max-width:700px){
  /* three switcher labels at full size overflow a 375px viewport */
  .vswitch a{font-size:9.5px;letter-spacing:.04em;padding:7px 9px}
  .back{font-size:10.5px}
  .hero{padding-block:var(--s5) var(--s4)}
  .kicker{margin-bottom:var(--s3)}
  .standfirst{margin-top:var(--s4)}
  .facts{margin-top:var(--s5)}
  .next{padding-block:var(--s5)}
  .cta .wrap{padding-block:var(--s6)}
  .cta .row{margin-top:var(--s5)}
  .cta-object{display:none}
  .next-name{font-size:26px}
  footer .wrap{padding-bottom:64px}
  .fl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%;gap:var(--s2)}
  .fl a:last-child{text-align:right}
  .site-dither{opacity:.86}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  .rise{opacity:1;transform:none}
}

.shot video.as-image{width:100%;height:auto;display:block;border:0;border-radius:calc(var(--shot-radius) - 1px)}
.shot--tall video.as-image{width:auto;height:auto;max-width:100%;max-height:var(--media-cap);margin-inline:auto;border-radius:calc(var(--media-radius) - 6px)}