/* ============================================================================
   OpenCaseLaw — shared design system v3 (Refined Swiss Modernist)
   One stylesheet for every page. Restraint, air, one red accent.
   Loaded by docs/index.html and every sub-page; chrome rendered by site.js.
   ========================================================================= */
:root{
  --ink:#0b0b0c; --paper:#ffffff; --paper-2:#faf9f7;
  --t1:#101012; --t2:#56565c; --t3:#83838a;
  --line:rgba(11,11,12,.11); --line-2:rgba(11,11,12,.06);
  --red:#c01622; --red-fill:#c01622; --on-red:#ffffff; --red-bright:#da291c;
  --green:#15803d;
  --f-sans:'IBM Plex Sans','Helvetica Neue',Arial,system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --gut:clamp(24px,6vw,80px);
  --maxw:1180px; --maxw-prose:720px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#0c0c0d; --paper:#0c0c0d; --paper-2:#141416;
    --t1:#f4f4f3; --t2:#adadb4; --t3:#7e7e85;
    --line:rgba(255,255,255,.13); --line-2:rgba(255,255,255,.07);
    --red:#ff5252; --red-fill:#ff5252; --on-red:#1a0c0c; --red-bright:#ff5252;
    --green:#4ade80;
  }
}
*{box-sizing:border-box}
html{background:var(--paper);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-sans);color:var(--t1);background:var(--paper);
  font-size:16px;line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;font-feature-settings:'kern' 1,'liga' 1}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.wrap-prose{max-width:var(--maxw-prose);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--f-mono);font-feature-settings:'tnum' 1}
.tnum{font-variant-numeric:tabular-nums lining-nums}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:3px}

/* ── Nav ─────────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 90%,transparent);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-weight:600;font-size:14px;letter-spacing:-.01em;color:var(--t1)}
.brand .glyph{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border:1px solid var(--line);border-radius:5px;color:var(--red);font-weight:700}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center;font-size:14px}
.nav-links a:not(.nav-cta){color:var(--t2);transition:color .15s var(--ease)}
.nav-links a:not(.nav-cta):hover{color:var(--t1)}
.nav-links a[aria-current="page"]{color:var(--t1)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--red-fill);color:var(--on-red);font-weight:500;
  padding:8px 15px;border-radius:7px;font-size:14px;transition:transform .15s var(--ease),box-shadow .15s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(192,22,34,.24)}
.langs{display:flex;gap:2px;font-family:var(--f-mono);font-size:12px}
.langs a{color:var(--t2);padding:5px 7px;border-radius:5px;text-transform:uppercase;letter-spacing:.03em;transition:color .15s}
.langs a:hover{color:var(--t1)}
.langs a.on{color:var(--red);font-weight:600}
.nav-burger{display:none;margin-left:auto;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:7px;background:none;color:var(--t1);cursor:pointer;font-size:18px}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-burger{display:inline-flex;font-size:0}
  .nav-burger::before{content:"\2630";font-size:19px;line-height:1}
  body.menu{overflow:hidden}
  body.menu .nav{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--paper)}
  body.menu .nav-burger::before{content:"\2715"}
  body.menu .nav-links{display:flex;position:fixed;inset:62px 0 0 0;flex-direction:column;align-items:stretch;
    background:var(--paper);padding:16px var(--gut) max(36px,env(safe-area-inset-bottom));gap:0;margin:0;z-index:39;overflow-y:auto}
  body.menu .nav-links a:not(.nav-cta){padding:21px 2px;border-bottom:1px solid var(--line-2);font-size:22px;font-weight:500;color:var(--t1);letter-spacing:-.015em}
  body.menu .nav-cta{justify-content:center;margin-top:28px;padding:16px;font-size:16px;border-radius:11px;border-bottom:none}
  body.menu .langs{margin-top:auto;padding-top:32px;justify-content:center;gap:7px;border-bottom:none}
  body.menu .langs a{font-size:14px;padding:11px 15px}
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;padding:13px 24px;border-radius:9px;
  border:1px solid transparent;transition:transform .16s var(--ease),border-color .16s,box-shadow .16s;cursor:pointer}
.btn .arr{transition:transform .16s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.btn-primary{background:var(--red-fill);color:var(--on-red);box-shadow:0 1px 2px rgba(192,22,34,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(192,22,34,.22)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--t1)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:7px}

/* ── Section system (shared) ─────────────────────────────────── */
.sec{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--line)}
.sec.first{border-top:0}
.sec-tag{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--t3);margin:0 0 10px}
.sec-tag .n{color:var(--red)}
.sec-h{font-weight:600;font-size:clamp(24px,3.4vw,36px);letter-spacing:-.02em;line-height:1.12;margin:0;max-width:22ch}
.sec-sub{color:var(--t2);font-size:clamp(15px,1.6vw,17px);margin:14px 0 0;max-width:60ch;line-height:1.55}

/* ── Sub-page head ───────────────────────────────────────────── */
.page-head{padding:clamp(56px,9vw,104px) 0 clamp(36px,5vw,56px)}
.page-kicker{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);margin:0 0 16px}
.page-kicker b{color:var(--red);font-weight:600}
.page-h1{font-weight:600;font-size:clamp(34px,6vw,60px);letter-spacing:-.03em;line-height:1.05;margin:0;max-width:18ch}
.page-lead{font-size:clamp(16px,1.8vw,19px);color:var(--t2);max-width:58ch;margin:20px 0 0;line-height:1.55}
.page-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}

/* ── Prose (text pages) ──────────────────────────────────────── */
.prose{font-size:16px;line-height:1.7;color:var(--t1);max-width:var(--maxw-prose)}
.prose h2{font-weight:600;font-size:clamp(20px,2.6vw,27px);letter-spacing:-.02em;margin:48px 0 14px}
.prose h3{font-weight:600;font-size:19px;margin:32px 0 10px}
.prose p{margin:0 0 16px;color:var(--t2)}
.prose p strong,.prose li strong{color:var(--t1)}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;color:var(--t2)}
.prose li{margin:0 0 7px}
.prose a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.prose code{font-family:var(--f-mono);font-size:.88em;background:var(--paper-2);border:1px solid var(--line);border-radius:5px;padding:1px 6px}

/* ── Cards / grids ───────────────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:40px}
.card{display:block;border:1px solid var(--line);border-radius:12px;padding:22px;background:var(--paper);
  transition:border-color .16s var(--ease),transform .16s,box-shadow .16s}
.card:hover{border-color:var(--t3);transform:translateY(-2px);box-shadow:0 12px 30px var(--line-2)}
.card-k{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--red);margin:0 0 8px}
.card-h{font-weight:600;font-size:18px;letter-spacing:-.01em;margin:0 0 7px}
.card-p{font-size:14px;color:var(--t2);line-height:1.55;margin:0}

/* ── Stat rows / KPI ─────────────────────────────────────────── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;margin-top:40px;
  background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stat{background:var(--paper);padding:24px 22px}
.stat-n{font-weight:600;font-size:clamp(26px,3.4vw,38px);letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums lining-nums}
.stat-l{font-size:13px;color:var(--t2);margin-top:9px}

/* ── Table ───────────────────────────────────────────────────── */
.tbl{width:100%;border-collapse:collapse;margin-top:32px;font-size:14px}
.tbl th{text-align:left;font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--t3);
  font-weight:600;padding:0 14px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 14px;border-bottom:1px solid var(--line-2);color:var(--t2)}
.tbl td.name{color:var(--t1);font-weight:500}
.tbl td.n{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--f-mono)}
.tbl tr:hover td{background:var(--paper-2)}

/* ── Misc ────────────────────────────────────────────────────── */
.note{border-left:3px solid var(--red);background:var(--paper-2);padding:14px 18px;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--t2);margin:24px 0;line-height:1.6}
.dot{width:7px;height:7px;border-radius:50%;background:var(--red-bright);position:relative;display:inline-block}
.dot::after{content:'';position:absolute;inset:-3px;border-radius:50%;border:1px solid var(--red-bright);animation:ping 2.4s var(--ease) infinite}
@keyframes ping{0%{transform:scale(.7);opacity:.7}70%,100%{transform:scale(2.4);opacity:0}}

/* ── Footer ──────────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);padding:64px 0 44px;color:var(--t2);font-size:14px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
@media(max-width:680px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot h4{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--t1);margin:0 0 14px;font-weight:600}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot a{color:var(--t2)}
.foot a:hover{color:var(--t1)}
.foot-tag{max-width:30ch;line-height:1.55}
.foot-legal{margin-top:40px;font-family:var(--f-mono);font-size:12px;color:var(--t3)}

/* ── Motion ──────────────────────────────────────────────────── */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .rv{opacity:1!important;transform:none!important;transition:none}
  .dot::after{animation:none}
}

/* ── Mobile overflow safety ──────────────────────────────────── */
code{overflow-wrap:anywhere;word-break:break-word}
pre{overflow-x:auto;max-width:100%}
@media(max-width:560px){
  .tbl{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
  .tbl td,.tbl th{white-space:nowrap}
}