/* Shared styles for case-study pages. Same tokens as the home page. */
:root{
  --bg:#ffffff; --bg-2:#f6f5f4; --fg:#191918; --fg-2:#615d59; --fg-3:#a39e98; --line:rgba(0,0,0,.1);
  --blue:#0075de; --blue-h:#005bab; --blue-soft:rgba(0,117,222,.08); --ink:#191918; --paper:#ffffff;
  --i-red:#f64932; --i-blue:#097fe8; --i-yellow:#ffb110; --i-green:#2a9d99; --i-purple:#7a5af8; --i-orange:#ff7a00;
  --data:#097fe8; --data-bg:#e6f1fc; --ai:#7a5af8; --ai-bg:#efebfe;
  --tag-b:#d3e5ef; --tag-g:#dbeddb; --tag-y:#fdecc8; --tag-p:#e8deee; --tag-r:#ffe2dd; --tag-o:#fadec9; --tag-fg:#32302c;
  --win:#ffffff;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --hand:"Caveat","Comic Sans MS",cursive;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.08),0 24px 64px rgba(0,0,0,.06);
  --accent:var(--ai); --accent-bg:var(--ai-bg);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#191919; --bg-2:#222221; --fg:#f2f1ee; --fg-2:#a7a39e; --fg-3:#6f6b66; --line:rgba(255,255,255,.1);
  --blue:#2e8ae5; --blue-h:#4b9cf0; --blue-soft:rgba(46,138,229,.16); --ink:#f2f1ee; --paper:#191919;
  --data:#4ba3f5; --data-bg:#16283a; --ai:#9b85fa; --ai-bg:#241f3a;
  --tag-b:#143a4e; --tag-g:#243d30; --tag-y:#564328; --tag-p:#3c2d49; --tag-r:#522e2a; --tag-o:#5c3b23; --tag-fg:rgba(255,255,255,.88);
  --win:#1f1f1f; --shadow:0 0 0 1px rgba(255,255,255,.06),0 24px 64px rgba(0,0,0,.5); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#191919; --bg-2:#222221; --fg:#f2f1ee; --fg-2:#a7a39e; --fg-3:#6f6b66; --line:rgba(255,255,255,.1);
  --blue:#2e8ae5; --blue-h:#4b9cf0; --blue-soft:rgba(46,138,229,.16); --ink:#f2f1ee; --paper:#191919;
  --data:#4ba3f5; --data-bg:#16283a; --ai:#9b85fa; --ai-bg:#241f3a;
  --tag-b:#143a4e; --tag-g:#243d30; --tag-y:#564328; --tag-p:#3c2d49; --tag-r:#522e2a; --tag-o:#5c3b23; --tag-fg:rgba(255,255,255,.88);
  --win:#1f1f1f; --shadow:0 0 0 1px rgba(255,255,255,.06),0 24px 64px rgba(0,0,0,.5); color-scheme:dark}
body.data{--accent:var(--data);--accent-bg:var(--data-bg)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
::selection{background:var(--blue);color:#fff}
h1,h2,h3{letter-spacing:-.03em;margin:0;text-wrap:balance}
.wrap{max-width:960px;margin:0 auto;padding-inline:24px}
.narrow{max-width:680px;margin-inline:auto}
.hand{font-family:var(--hand);color:var(--fg-2)}
.tg{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:5px;font-size:13px;color:var(--tag-fg);white-space:nowrap}
.tg.b{background:var(--tag-b)}.tg.g{background:var(--tag-g)}.tg.y{background:var(--tag-y)}.tg.p{background:var(--tag-p)}.tg.r{background:var(--tag-r)}.tg.o{background:var(--tag-o)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.logo-chip{height:28px;padding:0 9px;border-radius:7px;background:#fff;border:1px solid rgba(0,0,0,.1);display:inline-flex;align-items:center;gap:6px;flex:none;font-size:13px;font-weight:500;color:#191918}
.logo-chip img{height:16px;width:auto}

/* Back link */
.back{display:inline-flex;align-items:center;gap:8px;margin-top:28px;padding:6px 12px 6px 8px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--fg-2);transition:background .15s}
.back:hover{background:var(--bg-2);color:var(--fg)}
.back img{width:24px;height:24px;border-radius:50%;object-fit:cover;border:1.5px solid var(--ink)}

/* Hero */
.c-hero{padding-block:48px 8px;text-align:center}
.c-meta{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:20px;font-size:14px;color:var(--fg-2)}
.track{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--fg)}
.track i{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;color:#fff;font-style:normal;font-size:12px;background:var(--accent)}
.c-hero h1{font-size:clamp(34px,5.6vw,58px);line-height:1.06;font-weight:700;max-width:18ch;margin:0 auto}
.c-hero .lede{font-size:clamp(18px,2.2vw,21px);color:var(--fg-2);max-width:40ch;margin:18px auto 0;line-height:1.45}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(var(--n,3),1fr);gap:12px;margin-top:40px}
.stat{background:var(--accent-bg);border-radius:16px;padding:18px 20px}
.stat b{display:block;font-size:clamp(30px,4vw,42px);font-weight:700;letter-spacing:-.04em;line-height:1.05;color:var(--accent);white-space:nowrap}
.stat span{font-family:var(--hand);font-size:21px;color:var(--fg-2);line-height:1.2}

/* Big doodle with before/after switch */
.stage{margin-top:16px;background:var(--bg-2);border-radius:24px;padding:22px 22px 26px}
.switch{display:flex;justify-content:center;margin-bottom:10px}
.seg{display:inline-flex;background:var(--bg);border-radius:999px;padding:4px;border:1px solid var(--line)}
.seg button{padding:6px 18px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--fg-2);transition:background .2s,color .2s}
.seg button.on{background:var(--fg);color:var(--bg)}
.scene{overflow-x:auto}
.scene svg{display:block;width:100%;min-width:560px;height:auto;margin:0 auto}
.scene [data-view]{transition:opacity .35s}
.scene .hid{opacity:0;pointer-events:none}
.stage .cap{text-align:center;font-family:var(--hand);font-size:22px;color:var(--fg-2);margin-top:6px;min-height:1.4em}

/* Story blocks */
.story{display:grid;gap:56px;margin-top:80px}
.blk{display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:start}
.blk .k{display:flex;flex-direction:column;gap:8px;position:sticky;top:24px}
.blk .k i{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:18px;color:#fff}
.blk .k b{font-size:15px;font-weight:600}
.blk h2{font-size:clamp(24px,3vw,30px);line-height:1.2;font-weight:700;margin-bottom:12px}
.blk p{margin:0 0 12px;color:var(--fg-2);max-width:60ch}
.blk p strong{color:var(--fg);font-weight:600}
mark{background:linear-gradient(var(--hl,var(--i-yellow)),var(--hl,var(--i-yellow))) 0 92%/100% .3em no-repeat;color:inherit;padding:0 1px;-webkit-box-decoration-break:clone;box-decoration-break:clone}

.rules{display:grid;gap:8px;margin-top:16px}
.rule{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--bg-2);border-radius:12px;padding:12px 14px;font-size:15.5px}
.rule .arr{color:var(--fg-3)}
.rule .flow{margin-left:auto;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.rule .flow i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* Video */
.video{margin-top:20px;border-radius:16px;overflow:hidden;position:relative;aspect-ratio:16/9;max-width:100%;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-cap{font-size:14px;color:var(--fg-3);margin-top:8px}

.stack-row{margin-top:72px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line)}
.stack-row span{font-size:14px;color:var(--fg-3)}

/* Next */
.next{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:40px;padding:26px 28px;border-radius:20px;background:var(--next-bg,var(--bg-2));transition:transform .2s,box-shadow .2s}
.next:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.next small{display:block;font-family:var(--hand);font-size:21px;color:var(--fg-2)}
.next b{font-size:clamp(20px,2.6vw,26px);letter-spacing:-.02em;line-height:1.2;display:block}
.next .arrow{width:44px;height:44px;border-radius:50%;background:var(--bg);display:grid;place-items:center;font-size:20px;flex:none;transition:transform .2s}
.next:hover .arrow{transform:rotate(-45deg)}

footer{border-top:1px solid var(--line);margin-top:80px;padding-block:32px;font-size:14px}
.f-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.me{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.me img{width:28px;height:28px;border-radius:50%;border:2px solid var(--ink);object-fit:cover}
.f-links{display:flex;gap:4px;flex-wrap:wrap}
.f-links a{color:var(--fg-2);padding:6px 10px;border-radius:8px}
.f-links a:hover{color:var(--fg);background:var(--bg-2)}

@media (max-width:760px){
  .stats{grid-template-columns:1fr}
  .blk{grid-template-columns:1fr;gap:12px}
  .blk .k{position:static;flex-direction:row;align-items:center}
  .story{gap:44px;margin-top:56px}
}
@media (max-width:480px){
  .wrap{padding-inline:16px}
  .stage{padding:16px 12px 20px;border-radius:18px}
  .rule .flow{margin-left:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}

/* Extras used by individual case pages */
.matrix{display:grid;grid-template-columns:auto repeat(6,minmax(44px,1fr));gap:5px 6px;align-items:center;margin-top:16px;font-size:13px;background:var(--bg-2);border-radius:14px;padding:14px 16px;overflow-x:auto}
.mx-h{font-size:11.5px;color:var(--fg-3);text-align:center;font-weight:500}
.mx-n{color:var(--fg-2);padding-right:8px;white-space:nowrap}
.matrix i{width:14px;height:14px;border-radius:50%;justify-self:center;border:1.5px solid var(--line)}
.matrix i.on{background:var(--accent);border-color:var(--accent)}
.mx-cap{font-family:var(--hand);font-size:20px;color:var(--fg-2);text-align:center;margin-top:6px}
.wins{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.win{background:var(--accent-bg);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:4px;min-width:0}
.win small{font-size:12px;color:var(--fg-2);font-weight:500}
.win b{font-size:15px;line-height:1.3}
.win span{font-size:13.5px;color:var(--fg-2);line-height:1.4}
.tree{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}
.blk p.note{font-size:13.5px;color:var(--fg-3);margin-top:14px}
@media (max-width:760px){.wins{grid-template-columns:1fr}}