/* Ochre site — shared palette and elements. Loaded by every page BEFORE its inline
   <style>, so a page can still override a rule here by writing it again (same
   specificity, later wins). Page-only tokens (--shell, --readw, chart colours) stay
   in the page's own :root.

   Change a rule here, then bump ?v=N in every page's <link> (scripts/gen-market-pages.py
   SITE_CSS_LINK for the generated pages, a sed over the rest). docs/SITE-STYLES.md
   says what belongs here and how to add to it. */

/* ---------- font ---------- (preloaded site-wide by the Link header in _headers) */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;
  font-display:swap;src:url('/fonts/inter-latin.woff2') format('woff2')}

/* ---------- palette ----------
   Light is the default; the system's dark setting switches it; data-theme="light"
   or "dark" on <html> forces one regardless of the system. --field/--ok/--bad are
   the tools' form and result colours. */
:root{
  --paper:#FAF8F4; --paper-2:#EFEBE3; --card:#FFFFFF; --field:#FFFFFF;
  --ink:#161513; --ink-2:#5C574E; --ink-3:#6D695F;
  --accent:#1F5F5B; --accent-2:#2E827B; --accent-deep:#143F3B;
  --line:#E6E1D6; --line-2:#D6CFC0;
  --ok:#1F5F5B; --bad:#9A3412;
  --shadow:0 1px 2px rgba(20,63,59,.04),0 8px 30px rgba(20,63,59,.05);
  --serif:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'SF Pro Text','Inter','Segoe UI',system-ui,sans-serif;
  --shell:1080px;   /* default content width; most pages set their own */
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#111312; --paper-2:#171A19; --card:#1B1F1E; --field:#161918;
    --ink:#EAECEA; --ink-2:#A0A6A2; --ink-3:#828884;
    --accent:#54B9B1; --accent-2:#6FCAC2; --accent-deep:#2C6B65;
    --line:#282C2A; --line-2:#353A38;
    --ok:#54B9B1; --bad:#F0A882;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 34px rgba(0,0,0,.34);
  }
}
:root[data-theme="light"]{
  --paper:#FAF8F4; --paper-2:#EFEBE3; --card:#FFFFFF; --field:#FFFFFF;
  --ink:#161513; --ink-2:#5C574E; --ink-3:#6D695F;
  --accent:#1F5F5B; --accent-2:#2E827B; --accent-deep:#143F3B;
  --line:#E6E1D6; --line-2:#D6CFC0;
  --ok:#1F5F5B; --bad:#9A3412;
  --shadow:0 1px 2px rgba(20,63,59,.04),0 8px 30px rgba(20,63,59,.05);
}
:root[data-theme="dark"]{
  --paper:#111312; --paper-2:#171A19; --card:#1B1F1E; --field:#161918;
  --ink:#EAECEA; --ink-2:#A0A6A2; --ink-3:#828884;
  --accent:#54B9B1; --accent-2:#6FCAC2; --accent-deep:#2C6B65;
  --line:#282C2A; --line-2:#353A38;
  --ok:#54B9B1; --bad:#F0A882;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 34px rgba(0,0,0,.34);
}

/* ---------- base ---------- */
*{box-sizing:border-box}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
.lg-main{fill:var(--accent)}
.lg-shadow{fill:var(--accent-deep)}

/* ---------- accessibility ---------- */
/* Skip link: first focusable element, off-screen until focused. */
.skip-link{position:absolute;left:-9999px;top:8px;z-index:1000;background:var(--ink);
  color:var(--paper);padding:10px 16px;border-radius:8px;font-weight:600;font-size:15px;
  text-decoration:none}
.skip-link:focus{left:12px;outline:2px solid var(--accent);outline-offset:2px}
#main:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- page gutter ---------- */
.shell{max-width:var(--shell);margin:0 auto;padding:0 32px}
@media (max-width:560px){.shell{padding:0 20px}}

/* ---------- section label ---------- */
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin:0 0 12px}

/* ---------- buttons ----------
   One size everywhere: 48px tall (44px on phones), the App Store badge's height,
   so a button and the badge sit level in a row. .btn alone is the outlined
   secondary; .btn-primary is filled; .btn-sm (36px) is for controls inside a form. */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;border-radius:10px;
  border:1px solid var(--line-2);background:none;color:var(--ink);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--paper-2)}
.btn-primary{background:var(--accent);color:#fff;border-color:transparent}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--paper-2)}
.btn-sm{min-height:36px;padding:0 14px;font-size:14px;border-radius:8px}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed}
@media (max-width:480px){.btn{min-height:44px}.btn-sm{min-height:36px}}

/* ---------- App Store badge ----------
   Apple's official badge artwork (/img/badge-app-store.svg), never a lookalike. */
.store-badge{display:inline-block;padding:12px;line-height:0}
.store-badge img{height:48px;width:auto;display:block}
a.store-badge{transition:opacity .2s ease}
a.store-badge:hover{opacity:.82}
.cta-row .store-badge{padding:0}
@media (max-width:480px){.store-badge img{height:44px}}

/* ---------- header ----------
   One header on every page (markup: scripts/site_chrome.py). Logo, the site nav,
   and below 820px a Menu button that folds the nav into a panel
   (js/site-nav.js adds .nav-js to <html>). With JS off the links stay a wrapped
   row, never absent. Labels never wrap; links are >=44px tall below 1024px. */
header.top{padding:26px 0;border-bottom:1px solid var(--line);line-height:1.5}
.topbar{max-width:1080px;margin:0 auto;padding:0 32px;display:flex;
  align-items:center;justify-content:space-between;gap:20px}
.brandrow{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.logo{width:24px;height:24px;flex:none;display:block}
.brand{font-size:16px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
nav.links{display:flex;align-items:center;gap:24px}
nav.links a{color:var(--ink-2);text-decoration:none;font-size:14px;white-space:nowrap}
nav.links a:hover{color:var(--ink)}
nav.links a[aria-current]{color:var(--ink);font-weight:600}
.nav-toggle{display:none;align-items:center;gap:8px;min-height:44px;padding:0 14px;
  font:inherit;font-size:15px;font-weight:500;line-height:1;color:var(--ink);
  background:transparent;border:1px solid var(--line-2);border-radius:10px;cursor:pointer}
.nav-toggle:hover{background:var(--paper-2)}
.nav-toggle svg{width:18px;height:18px;flex:none}
@media (max-width:1023px){nav.links a{display:inline-flex;align-items:center;min-height:44px}}
@media (max-width:820px){
  .topbar{flex-wrap:wrap;row-gap:0}
  .brandrow{flex:1 1 0;min-width:0}.brandrow svg,.brandrow img{flex:none}
  .brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .nav-toggle{flex:none;margin-left:auto}
  nav.links{flex:0 0 100%;flex-wrap:wrap;gap:0 20px}
  .nav-js .nav-toggle{display:inline-flex}
  .nav-js nav.links{display:none;flex-direction:column;flex-wrap:nowrap;align-items:stretch;
    gap:0;margin-top:10px;border-top:1px solid var(--line)}
  .nav-js nav.links.open{display:flex}
  .nav-js nav.links a{font-size:16px;border-bottom:1px solid var(--line)}
}
@media (max-width:560px){.topbar{padding:0 20px}}

/* ---------- breadcrumbs (under the header) ---------- */
.crumbs{font-size:13px;color:var(--ink-3);margin:28px 0 0}
.crumbs a{color:var(--ink-2);text-decoration:none;display:inline-block;padding:14px 0;margin:-14px 0}
.crumbs a:hover{color:var(--accent);text-decoration:underline}

/* ---------- footer ---------- */
/* the footer spans the header's width (1080px) on every page, whatever the page's own column */
footer .shell{max-width:1080px}
footer{padding:44px 0 60px;border-top:1px solid var(--line);font-size:14px;line-height:1.6}
.footrow{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-start}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.footer-links a{color:var(--ink-2);text-decoration:none;font-size:14px}
.footer-links a:hover{color:var(--accent);text-decoration:underline}
.foot-meta{color:var(--ink-3);font-size:13.5px;margin:22px 0 14px}
.foot-privacy{margin-top:6px;color:var(--ink-2)}
.foot-privacy a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.foot-privacy a:hover{color:var(--accent)}
.foot-legal{margin:14px 0;color:var(--ink-3);font-size:12.5px;line-height:1.6;max-width:70ch}

@media print{header.top,.nav-toggle{display:none}}