/* Euclid HL site styles, shared by every page on www.euclidhl.com. The homepage keeps
   its own sections (live demo, ledger, scroll story) inline. Linked with ?v=<hash>
   by build_pages.py: assets are cached for a year, so a change needs a new URL. */
:root{
  --bg:#ffffff; --bg2:#f6f7f8; --ink:#0c1116; --mut:#5a6675; --faint:#5f6b79;
  --line:#e6e9ec; --cyan:#29abe2; --cyan-deep:#12789f; --cyan-hi:#1e9bd1; --dark:#0c1116; --green:#15803d;
  --card:#ffffff; --chipbg:#eaf6fc; --chipbd:#c5e6f7; --scroll:#c4cdd6;
}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 900;font-display:swap;src:url(/fonts/inter-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/jetbrains-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Metric-matched fallback so text drawn before Inter arrives takes the same space (no layout shift on swap). */
@font-face{font-family:'Inter Fallback';src:local('Arial');size-adjust:107.12%;ascent-override:90.49%;descent-override:22.56%;line-gap-override:0%}
@font-face{font-family:'JetBrains Mono Fallback';src:local('Courier New'),local('Consolas');ascent-override:102%;descent-override:30%;line-gap-override:0%}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{background:var(--bg);color:var(--ink);font-family:'Inter','Inter Fallback',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.mono{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}

nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1160px;margin:0 auto;padding:0 32px;height:62px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;letter-spacing:-.5px}
.logo img{display:block;width:auto}
.logo .hl{background:var(--cyan);color:#fff;font-size:10px;font-weight:800;padding:2px 5px;border-radius:3px;letter-spacing:.5px}
.nav-links{display:flex;gap:28px;font-size:13.5px;color:var(--mut);font-weight:500}
.nav-links a{display:inline-flex;align-items:center;min-height:24px}
.nav-links a:hover{color:var(--ink)}
.btn{display:inline-block;font-weight:700;font-size:13.5px;padding:10px 20px;border-radius:8px;border:1.5px solid var(--ink);transition:.18s;cursor:pointer}
.btn:hover{background:var(--ink);color:#fff}
.btn.solid{background:var(--ink);color:#fff}
.btn.solid:hover{background:#000}

/* hero */
.hero{padding:150px 0 70px;text-align:center}
.eyebrow{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-deep);margin-bottom:24px;line-height:1.5}
h1{font-size:84px;font-weight:900;letter-spacing:-3.5px;line-height:.98}
h1 .nine{color:var(--cyan-hi)}
.hero-sub{margin:26px auto 0;max-width:580px;font-size:17px;line-height:1.65;color:var(--mut)}
.hero-cta{margin-top:34px;display:flex;gap:12px;justify-content:center}
.statrow{margin-top:64px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.statrow .s{padding:26px 16px;border-right:1px solid var(--line);background:var(--bg);text-align:center}
.statrow .s:last-child{border-right:none}
.statrow .n{font-size:56px;font-weight:800;letter-spacing:-2px}
.statrow .n em{color:var(--cyan-hi);font-style:normal}
.statrow .l{font-size:17px;color:var(--mut);margin-top:4px;font-weight:500}

.sec-eyebrow{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:11.5px;color:var(--cyan-deep);letter-spacing:.13em;text-transform:uppercase;margin-bottom:14px}
h2{font-size:40px;font-weight:800;letter-spacing:-1.6px;line-height:1.08}
.sec-sub{margin-top:14px;color:var(--mut);font-size:15.5px;line-height:1.65;max-width:560px}

/* receipts wall */
.wall{padding:100px 0}
.plates{margin-top:52px;columns:2;column-gap:20px}
.plate{break-inside:avoid;margin-bottom:20px;border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--card);transition:.2s;position:relative;overflow:hidden}
.plate:hover{border-color:#c9d2da;box-shadow:0 14px 40px rgba(12,17,22,.07);transform:translateY(-2px)}
.plate .top{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.plate .seal{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#e8f7fc,#d3effa);border:1px solid #b8e4f5;display:flex;align-items:center;justify-content:center;font-size:9.5px;font-weight:800;color:var(--cyan-deep)}
.plate .cn{font-size:12px;font-weight:700;color:var(--mut)}
.plate a.cn:hover{color:var(--cyan-deep);text-decoration:underline}
.plate .tag{margin-left:auto;font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:9.5px;color:var(--faint);letter-spacing:.06em;text-transform:uppercase}
.plate .q{font-size:21px;font-weight:800;letter-spacing:-.6px;line-height:1.28}
.plate .a{margin-top:14px;font-size:14px;line-height:1.65;color:var(--mut)}
.plate .a b{color:var(--ink);font-weight:600}
.plate .cites{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.cite{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:10px;color:var(--cyan-deep);background:var(--chipbg);border:1px solid var(--chipbd);padding:3px 9px;border-radius:5px}
.plate.feature{background:var(--dark);border-color:var(--dark);color:#fff}
.plate.feature .q{color:#fff}
.plate.feature .a{color:#a8b4c0}
.plate.feature .a b{color:#fff}
.plate.feature .cn{color:#8fa1b3}
.plate.feature .cite{background:rgba(41,171,226,.12);border-color:rgba(41,171,226,.38);color:#5cc8ef}
.plate.feature .seal{background:rgba(41,171,226,.16);border-color:rgba(41,171,226,.32);color:#5cc8ef}

/* figures returned inside plates */
.fig{margin-top:16px;border:1px solid var(--line);border-radius:10px;background:var(--bg2);padding:14px 14px 10px}
.fig svg{display:block;width:100%;height:auto}
.fig .fcap{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:9px;color:var(--faint);margin-top:9px;letter-spacing:.07em;text-transform:uppercase}
.plate.feature .fig{background:rgba(255,255,255,.04);border-color:#243140}


/* capabilities — light */
.capsec{padding:100px 0}
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.capcard{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--card);transition:.2s}
.capcard:hover{border-color:#c9d2da;box-shadow:0 12px 34px rgba(12,17,22,.06);transform:translateY(-2px)}
.capcard .ic,.card .ic{width:36px;height:36px;border-radius:10px;background:var(--chipbg);border:1px solid var(--chipbd);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:16px}
.capcard .ic svg,.card .ic svg{width:19px;height:19px;stroke:var(--cyan-deep);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.capcard h3{font-size:15.5px;font-weight:800;letter-spacing:-.3px;margin-bottom:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.capcard p{font-size:13px;color:var(--mut);line-height:1.65}
.soon{font-size:9px;font-weight:800;letter-spacing:.06em;color:#b45309;border:1px solid #fcd34d;background:#fffbeb;padding:2px 8px;border-radius:99px;text-transform:uppercase}

/* old way / euclid way */
.diptych-sec{padding:100px 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.diptych{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
.dip{border-radius:16px;padding:36px;border:1px solid var(--line)}
.dip.old{background:var(--card)}
.dip.new{background:var(--dark);color:#fff;border-color:var(--dark)}
.dip .lab{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:24px}
.dip.old .lab{color:var(--faint)}
.dip.new .lab{color:#5cc8ef}
.dip ul{list-style:none;display:flex;flex-direction:column;gap:18px}
.dip li{display:flex;gap:14px;font-size:14.5px;line-height:1.55}
.dip.old li{color:var(--mut)}
.dip.new li{color:#c3cdd7}
.dip li .x{flex:none;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;margin-top:1px}
.dip.old .x{background:#fbe9e9;color:#c0392b}
.dip.new .x{background:rgba(74,222,128,.12);color:#4ade80}
.dip li b{font-weight:600}
.dip.old li b{color:var(--ink)}
.dip.new li b{color:#fff}

/* how strip */
.how-sec{padding:100px 0}
.howgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
.hstep{border:1px solid var(--line);border-radius:16px;padding:30px;background:var(--card)}
.hstep .n{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:11px;color:var(--cyan-deep);margin-bottom:16px}
.hstep h3{font-size:18px;font-weight:800;letter-spacing:-.4px;margin-bottom:10px}
.hstep p{font-size:13.5px;color:var(--mut);line-height:1.65}

/* cta */
.cta{padding:110px 0;background:var(--dark);color:#fff;text-align:center}
.cta h2{font-size:48px;letter-spacing:-1.8px}
.cta h2 .nine{color:var(--cyan)}
.cta p{margin:20px auto 0;max-width:480px;color:#a8b4c0;font-size:15.5px;line-height:1.65}
.cta .btn{margin-top:36px;border-color:#fff;color:#fff}
.cta .btn:hover{background:#fff;color:var(--dark)}

footer{padding:34px 0 30px;font-size:12.5px;color:var(--mut);border-top:1px solid var(--line)}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.foot-copy{font-size:12.5px;color:var(--mut)}
.foot-bar{display:flex;align-items:center;justify-content:center;gap:38px;flex-wrap:wrap;margin-top:26px;padding-top:26px;border-top:1px solid var(--line)}
/* attribution logos — softened, full brand color on hover */
.foot-cred{display:inline-flex;align-items:center;gap:10px;color:var(--faint);font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.foot-bar a img{display:block;opacity:.85;transition:opacity .18s}
.foot-bar a:hover img{opacity:1}
.hl-logo{height:40px;width:auto}
.esri-powered{height:46px;width:auto}
.esri-partner{height:44px;width:auto}
.wcag-badge{display:inline-flex;align-items:center;flex:none}
.wcag-badge img{height:31px;width:auto}
.fineprint{font-size:11px;color:var(--faint);margin-top:40px;text-align:center}


.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ===== themed scrollbar ===== */
html{scrollbar-width:thin;scrollbar-color:var(--scroll) var(--bg2)}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--scroll);border-radius:8px;border:3px solid var(--bg2)}
::-webkit-scrollbar-thumb:hover{background:var(--cyan)}

/* ===== contact form modal ===== */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(12,17,22,.62);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;padding:24px}
.modal-overlay.open{display:flex}
.modal{background:var(--card);border:1px solid var(--line);border-radius:18px;max-width:480px;width:100%;padding:34px 34px 30px;box-shadow:0 40px 90px rgba(12,17,22,.4);position:relative}
.modal h3{font-size:24px;font-weight:800;letter-spacing:-.8px;margin-bottom:6px}
.modal p.sub{font-size:13.5px;color:var(--mut);line-height:1.55;margin-bottom:22px}
.modal .close{position:absolute;top:12px;right:14px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--faint);cursor:pointer;line-height:1;background:none;border:none;border-radius:8px}
.modal .close:hover{color:var(--ink)}
.field{margin-bottom:14px}
.field label{display:block;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1.5px solid var(--line);border-radius:9px;padding:11px 13px;font-family:'Inter','Inter Fallback',sans-serif;font-size:14px;color:var(--ink);background:var(--bg);transition:border-color .15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--cyan)}
.field textarea{resize:vertical;min-height:84px}
.field select{appearance:auto;cursor:pointer}
.hp{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.modal .btn.solid{width:100%;text-align:center;margin-top:6px;border:none;background:var(--cyan-deep);color:#fff;font-size:14.5px;padding:13px}
.modal .btn.solid:hover{background:var(--cyan)}
.modal .btn.solid[disabled]{opacity:.55;cursor:default}
.form-status{font-size:13px;line-height:1.5;margin-top:14px;text-align:center;display:none}
.form-status.show{display:block}
.form-status.ok{color:var(--green)}
.form-status.err{color:#c0392b}

@media(max-width:920px){
  h1{font-size:clamp(34px,10vw,52px);letter-spacing:-1.5px}
  .plates{columns:1}
  .caps{grid-template-columns:1fr}
  .statrow{grid-template-columns:repeat(2,1fr)}
  .statrow .s{border-bottom:1px solid var(--line)}
  /* two per row: the odd one out spans the row, centred, and no line doubles the frame */
  .statrow .s:nth-child(2){border-right:none}
  .statrow .s:last-child:nth-child(odd){grid-column:1/-1}
  .statrow .s:last-child{border-bottom:none}
  .statrow .n{font-size:34px;letter-spacing:-1px}
  .statrow .l{font-size:13px}
  .diptych,.howgrid{grid-template-columns:1fr}
  .nav-links{display:none}
  nav.open .nav-links{display:flex;flex-direction:column;gap:0;position:absolute;top:62px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 16px 16px;box-shadow:0 18px 30px rgba(12,17,22,.08)}
  nav.open .nav-links a{min-height:44px;font-size:15px;border-bottom:1px solid var(--line)}
}
@media(max-width:420px){
  .nav-act .btn.solid{padding:9px 12px;font-size:12.5px}
}

/* ===== nav: actions and the small-screen menu ===== */
.nav-act{display:flex;align-items:center;gap:10px}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:700}
.nav-toggle{display:none;width:44px;height:44px;border:1.5px solid var(--line);border-radius:8px;background:var(--bg);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* ===== footer links ===== */
.foot-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.foot-links .fh{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.foot-links a{display:block;font-size:13px;color:var(--mut);padding:5px 0}
.foot-links a:hover{color:var(--ink);text-decoration:underline}

/* ===== inner pages ===== */
.phero{padding:136px 0 64px;border-bottom:1px solid var(--line)}
/* the breadcrumb is a <nav> too: undo the site nav's fixed bar */
nav.crumbs{position:static;background:none;backdrop-filter:none;border:0;z-index:auto;font-size:12.5px;color:var(--mut);margin-bottom:26px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px}
.crumbs li+li::before{content:'/';margin-right:8px;color:var(--faint)}
.crumbs a{color:var(--cyan-deep);text-decoration:underline}
.phero h1{font-size:60px;letter-spacing:-2.4px;line-height:1.03;max-width:920px}
.phero h1 .nine{color:var(--cyan-hi)}
.lede{margin-top:22px;max-width:680px;font-size:18px;line-height:1.65;color:var(--mut)}
.phero .hero-cta{justify-content:flex-start}
.psec{padding:88px 0}
.psec.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.prose{max-width:720px}
.prose p,.prose li{font-size:16px;line-height:1.75;color:var(--mut)}
.prose p{margin-top:16px}
.prose b{color:var(--ink);font-weight:600}
.prose h3{font-size:20px;font-weight:800;letter-spacing:-.4px;margin-top:36px}
.prose ul,.prose ol{margin:14px 0 0 22px}
.prose li+li{margin-top:8px}
.prose a,.note a,.card a{color:var(--cyan-deep);text-decoration:underline}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.card{border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--card)}
.card h3{font-size:18px;font-weight:800;letter-spacing:-.4px;margin-bottom:10px}
.card p,.card li{font-size:14.5px;color:var(--mut);line-height:1.7}
.card ul{margin:10px 0 0 18px}
.card li+li{margin-top:6px}
.prose .qlist,.qlist{list-style:none;margin:20px 0 0;display:flex;flex-direction:column;gap:10px}
.qlist li{border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:var(--card);font-size:15px;font-weight:600;letter-spacing:-.2px}
.note{margin-top:28px;border:1px solid var(--chipbd);background:var(--chipbg);border-radius:12px;padding:16px 20px;font-size:14px;line-height:1.65;color:var(--ink)}
.plates.one{columns:1;max-width:720px}
.tscroll{overflow-x:auto;margin-top:40px;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.ptable{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
.ptable caption{text-align:left;padding:16px 20px;font-size:13px;color:var(--mut);border-bottom:1px solid var(--line)}
.ptable th,.ptable td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--line)}
.ptable thead th{font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);background:var(--bg2);font-weight:600}
.ptable tbody tr:last-child th,.ptable tbody tr:last-child td{border-bottom:none}
.ptable tbody th{font-weight:800}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.related a{display:block;border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:var(--card);transition:.18s}
.related a:hover{border-color:#c9d2da;box-shadow:0 10px 28px rgba(12,17,22,.06);transform:translateY(-2px)}
.related .rt{font-weight:800;font-size:15.5px;letter-spacing:-.3px}
.related .rd{font-size:13px;color:var(--mut);line-height:1.6;margin-top:6px}
.draft-banner{background:#fffbeb;border-bottom:1px solid #fcd34d;color:#78350f;font-size:13px;text-align:center;padding:10px 16px;margin-top:62px}
.draft-banner+.phero{padding-top:64px}

/* ===== ?lp=1: the paid landing-page variant ===== */
.lp .nav-links,.lp .nav-toggle,.lp .foot-links,.lp [data-lp-hide]{display:none !important}
@media(max-width:920px){
  .nav-toggle{display:flex}
  .phero{padding:108px 0 48px}
  .phero h1{font-size:clamp(32px,9vw,44px);letter-spacing:-1.4px}
  .lede{font-size:16.5px}
  .psec{padding:64px 0}
  .grid2,.related,.foot-links{grid-template-columns:1fr}
  .draft-banner+.phero{padding-top:40px}
  .card{padding:22px}
}
/* tables become one card per row on phones; each value carries its column's data-label */
@media(max-width:600px){
  .ptable.stack{min-width:0}
  .ptable.stack thead{display:none}
  .ptable.stack,.ptable.stack tbody,.ptable.stack tr,.ptable.stack th,.ptable.stack td{display:block;width:auto}
  .ptable.stack caption{display:block}
  .ptable.stack tr{padding:14px 16px;border-bottom:1px solid var(--line)}
  .ptable.stack tbody tr:last-child{border-bottom:none}
  .ptable.stack tbody th{padding:0 0 8px;border:0;font-size:15px}
  .ptable.stack td{display:flex;gap:12px;padding:3px 0;border:0;font-size:14px}
  .ptable.stack td::before{content:attr(data-label);flex:0 0 38%;font-family:'JetBrains Mono','JetBrains Mono Fallback',monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);padding-top:3px}
}

/* ===== accessibility ===== */
/* skip link */
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--ink);color:#fff;padding:12px 18px;border-radius:0 0 8px 0;font-weight:700;font-size:14px}
.skip-link:focus{left:0}
#main:focus{outline:none}
/* visible keyboard focus for interactive elements */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--cyan-deep);outline-offset:2px;border-radius:4px}
/* respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important}
}