/* ============================================================
   Geo Toolkit — shared design tokens and styles.
   Direction: deep-water instrument. One field, one ink, one
   survey-orange accent; tone steps between surfaces, no lines,
   no gradients, no shadows. Square buttons. Barlow only.
   ============================================================ */

:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  /* light: chart-paper sea */
  --bg:#e6ecef; --surface:#f2f5f7; --surface2:#dfe7eb;
  --ink:#0d2334; --muted:#57707f;
  --accent:#c64e0e; --accent-ink:#fff7f2;
  --water:#d7e3e9; --field:#fbfdfd;
  --sans:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --cond:"Barlow Semi Condensed","Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#071019; --surface:#0c1a27; --surface2:#122337;
    --ink:#dfe9f2; --muted:#8ba3b4;
    --accent:#ff7a38; --accent-ink:#1a0e04;
    --water:#0a1521; --field:#0b1723;
  }
}
:root[data-theme="dark"]{
  --bg:#071019; --surface:#0c1a27; --surface2:#122337;
  --ink:#dfe9f2; --muted:#8ba3b4;
  --accent:#ff7a38; --accent-ink:#1a0e04;
  --water:#0a1521; --field:#0b1723;
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans);-webkit-text-size-adjust:100%;overflow-x:clip}
::selection{background:var(--accent);color:var(--accent-ink)}
img,svg,canvas{display:block;max-width:100%}

/* ---------- frame ---------- */
.app{max-width:1240px;margin:0 auto;padding:0 clamp(16px,3vw,28px)}

/* ---------- buttons ---------- */
.btn{background:var(--surface2);border:0;border-radius:0;color:var(--ink);padding:9px 16px;cursor:pointer;font:600 15px/1 var(--sans)}
.btn:hover{background:var(--accent);color:var(--accent-ink)}
a.btn{text-decoration:none;display:inline-block}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- tool page header (used by tool-template) ---------- */
.toolhead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px 16px;margin:0 0 26px;padding-top:26px}
.toolhead h1{font:700 clamp(30px,5vw,40px)/1 var(--cond);letter-spacing:-.02em;margin:0 0 6px}
.sub{margin:0;color:var(--muted);max-width:68ch;font-size:16.5px}
.back{margin-bottom:16px}

/* ---------- hub: top bar ---------- */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 0 0}
.wordmark{display:flex;align-items:center;gap:10px;font:700 19px/1 var(--cond);letter-spacing:.01em;color:var(--ink);text-decoration:none}
.wordmark svg{color:var(--accent)}
.wordmark:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- hub: hero ---------- */
.hero{position:relative;margin-top:18px}
.hero canvas{width:100%;height:clamp(430px,74vh,780px);touch-action:pan-y;cursor:crosshair}
.hero .over{position:absolute;left:0;right:0;top:clamp(18px,4.5vh,48px);pointer-events:none}
.hero h1{font:700 clamp(42px,9vw,96px)/.95 var(--cond);letter-spacing:-.03em;margin:0 0 18px;max-width:11em}
.hero .standfirst{font:400 clamp(17px,2vw,21px)/1.5 var(--sans);color:var(--ink);margin:0 0 26px;max-width:34em}
.hero .cta{pointer-events:auto;display:inline-block;background:var(--accent);color:var(--accent-ink);border-radius:0;padding:13px 22px;font:600 16px/1 var(--sans);text-decoration:none}
.hero .cta:hover{filter:brightness(1.12)}
.hero .cta:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.hero .cta .arr{display:inline-block;margin-left:8px;transition:transform .15s}
.hero .cta:hover .arr{transform:translateX(3px)}

/* ---------- hub: sections ---------- */
.sect{padding:clamp(76px,11vh,130px) 0 0}
.secth{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px 24px;margin-bottom:14px}
.secth h2{font:700 clamp(30px,4.5vw,46px)/1 var(--cond);letter-spacing:-.02em;margin:0}
.secth .filter input{background:var(--field);border:1px solid var(--surface2);border-radius:0;padding:9px 14px;width:min(300px,64vw);font:500 15px/1 var(--sans);color:var(--ink)}
.secth .filter input::placeholder{color:var(--muted)}

/* ---------- hub: tool ledger ---------- */
.ledger{list-style:none;margin:0;padding:0}
.tool{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:8px 20px;align-items:center;padding:24px 14px;margin:0 -14px;text-decoration:none;color:inherit;border-radius:0}
.tool+.tool{margin-top:2px}
.tool:hover{background:var(--surface)}
.tool:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.tool .sym{width:52px;height:52px;display:grid;place-items:center;color:var(--muted)}
.tool:hover .sym{color:var(--accent)}
.tool .name{font:600 clamp(20px,2.6vw,26px)/1.1 var(--cond);letter-spacing:-.01em;margin:0 0 4px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px}
.tool .desc{margin:0;color:var(--muted);font-size:16px;max-width:56ch}
.tool .meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}
.tool .tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}
.tag{font:500 12.5px/1 var(--sans);color:var(--muted);background:var(--surface2);border-radius:99px;padding:5px 11px;border:0;cursor:pointer}
.tool:hover .tag{background:var(--bg)}
.tag:hover{color:var(--ink)}
.tag:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.status{font:600 13px/1 var(--sans);letter-spacing:.02em}
.status.live{color:var(--accent)}
.status.plan{color:var(--muted)}
.tool .go{color:var(--accent);font:600 15px/1 var(--sans);white-space:nowrap;opacity:0;transform:translateX(-6px);transition:opacity .15s,transform .15s}
.tool:hover .go{opacity:1;transform:none}
.tool.planned{cursor:default}
.tool.planned .name,.tool.planned .desc{opacity:.62}
.tool.planned:hover{background:transparent}
.tool .demo{grid-column:1/-1;margin-top:6px}
.tool .demo canvas{width:100%;height:clamp(220px,30vw,340px);background:var(--surface)}
@media (max-width:760px){
  .tool{grid-template-columns:44px minmax(0,1fr)}
  .tool .sym{width:44px;height:44px}
  .tool .meta{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start}
  .tool .tags{justify-content:flex-start}
  .tool .go{display:none}
}
.empty{color:var(--muted);padding:18px 0;margin:0}

/* ---------- hub: statement ---------- */
.statement{background:var(--surface);margin:clamp(76px,11vh,130px) 0 0;padding:clamp(76px,11vh,130px) 0}
.statement .cols{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:center}
.statement h2{font:700 clamp(30px,4.5vw,46px)/1.05 var(--cond);letter-spacing:-.02em;margin:0 0 18px}
.statement .big{font:400 clamp(19px,2.2vw,25px)/1.45 var(--sans);margin:0 0 22px;max-width:26em}
.statement .facts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.statement .facts li{color:var(--muted);font-size:16px;padding-left:22px;position:relative}
.statement .facts li::before{content:"";position:absolute;left:0;top:.52em;width:10px;height:10px;background:var(--accent)}
.spread{width:100%;height:auto}
.spread figcaption{color:var(--muted);font-size:14px;margin-top:10px}
@media (max-width:860px){.statement .cols{grid-template-columns:1fr}}

/* ---------- hub: footer ---------- */
.foot{padding:clamp(70px,10vh,120px) 0 34px}
.foot .giant{font:700 clamp(58px,12.5vw,168px)/.9 var(--cond);letter-spacing:-.035em;margin:0 0 26px;white-space:nowrap}
.foot .giant span{color:var(--accent)}
.foot .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;color:var(--muted);font-size:14.5px}

/* ---------- shared tool-page bits ---------- */
.toolgrid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:start}
@media (max-width:900px){.toolgrid{grid-template-columns:1fr}}
.toolmain h2{font:700 21px/1.15 var(--cond);letter-spacing:-.01em;margin:26px 0 10px}
.toolmain h2:first-child{margin-top:0}
.panel{background:var(--surface);padding:18px 20px;margin:0 0 24px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px 22px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font:500 13.5px/1.2 var(--sans);color:var(--muted)}
.field label b{color:var(--ink);font-weight:600}
.field input,.field select{background:var(--field);border:1px solid var(--surface2);color:var(--ink);font:500 15px/1.2 var(--sans);padding:8px 10px;border-radius:0;width:100%}
input[type=range]{accent-color:var(--accent);width:100%;margin:7px 0 2px}
canvas.frame{width:100%;display:block;background:var(--surface);touch-action:pan-y}
table.kv{width:100%;border-collapse:collapse;font-size:15px}
table.kv td{padding:8px 2px;border-bottom:1px solid var(--surface2);vertical-align:top}
table.kv td:last-child{text-align:right;font-weight:600;white-space:nowrap}
table.kv tr.sum td{border-bottom:0;padding-top:12px;color:var(--accent);font-weight:600;font-size:16px}
.hint{color:var(--muted);font-size:13.5px;line-height:1.5;margin:10px 0 0}
.btnrow{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- entrance motion (JS-gated: without JS everything is visible) ---------- */
.js .rise{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.js .rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rise{opacity:1;transform:none;transition:none}
  .hero .cta .arr,.tool .go{transition:none}
}