/* ============================================================
   Shared design tokens + base/nav/footer styles for sub-pages
   (legal, help, download). The homepage (index.html) keeps its
   own inline copy of these same values — if you change a color,
   font, or the nav/footer markup here, update index.html (and
   404.html, docs/demo-prototype.html) to match.
   ============================================================ */

:root{
  --bg:#0c0f0e; --panel:#141917; --line:#232a27; --line-soft:#1b211e;
  --text:#f2f4f3; --dim:#a8b0ac; --mute:#6d7570;
  --accent:#ff6b1a; --accent-text:#06110d; --warn:#f0b429;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme]){
    --bg:#fafbfa; --panel:#ffffff; --line:#e2e6e4; --line-soft:#edf0ee;
    --text:#15201c; --dim:#4c5854; --mute:#8a938f;
    --accent:#c2410c; --accent-text:#ffffff; --warn:#c98a00;
    color-scheme: light;
  }
}
:root[data-theme="light"]{
  --bg:#fafbfa; --panel:#ffffff; --line:#e2e6e4; --line-soft:#edf0ee;
  --text:#15201c; --dim:#4c5854; --mute:#8a938f;
  --accent:#c2410c; --accent-text:#ffffff; --warn:#c98a00;
  color-scheme: light;
}
:root[data-theme="dark"]{
  --bg:#0c0f0e; --panel:#141917; --line:#232a27; --line-soft:#1b211e;
  --text:#f2f4f3; --dim:#a8b0ac; --mute:#6d7570;
  --accent:#ff6b1a; --accent-text:#06110d; --warn:#f0b429;
  color-scheme: dark;
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
     -webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit}
::selection{background:color-mix(in srgb,var(--accent) 32%,transparent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.accent{color:var(--accent)}
.mono{font-family:var(--mono)}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
section{padding:88px 0}
section h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;margin:10px 0 14px}
.section-sub{color:var(--dim);max-width:60ch;font-size:16px;line-height:1.6}
.skip-link{position:absolute;left:-999px;top:auto;background:var(--accent);color:var(--accent-text);
  padding:10px 16px;border-radius:8px;z-index:100}
.skip-link:focus{left:16px;top:16px}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);
     background:color-mix(in srgb,var(--bg) 80%,transparent);
     -webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:64px;
           display:flex;align-items:center;justify-content:space-between;gap:16px}
.wordmark{font-weight:800;font-size:17px;letter-spacing:-.02em;text-decoration:none;
          display:inline-flex;align-items:center;gap:9px}
.wordmark img{width:26px;height:26px;border-radius:7px;display:block}
.wordmark .tick{color:var(--accent)}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-size:14px;color:var(--dim);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-controls{display:flex;align-items:center;gap:6px}
.theme-toggle{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);color:var(--dim);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .15s,color .15s}
.theme-toggle:hover{color:var(--text);border-color:var(--mute)}
.theme-toggle svg{width:17px;height:17px}
.icon-moon{display:none}
:root[data-theme="light"] .icon-sun{display:none}
:root[data-theme="light"] .icon-moon{display:block}
@media (prefers-color-scheme: light){
  :root:not([data-theme]) .icon-sun{display:none}
  :root:not([data-theme]) .icon-moon{display:block}
}
@media (max-width:720px){
  .nav-links{display:none}
}

/* ---- language switch ---- */
.lang-switch{display:flex;align-items:center;gap:5px;font-family:var(--mono);font-size:12px;
  letter-spacing:.02em;color:var(--mute);padding:0 4px}
.lang-switch a{color:var(--mute);text-decoration:none;padding:2px 4px;border-radius:4px;transition:color .15s}
.lang-switch a:hover{color:var(--text)}
.lang-switch a[aria-current="page"]{color:var(--accent);font-weight:700}
.lang-switch .sep{color:var(--line)}

/* ---- language offer banner ---- */
.lang-banner{background:var(--panel);border-bottom:1px solid var(--line)}
.lang-banner-inner{max-width:1120px;margin:0 auto;padding:10px 24px;display:flex;
  align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--dim)}
.lang-banner-inner a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;font-weight:600}
.lang-banner-close{background:none;border:none;color:var(--mute);cursor:pointer;font-size:16px;
  line-height:1;padding:2px 6px;border-radius:4px}
.lang-banner-close:hover{color:var(--text)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:10px;
     font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;
     transition:transform .12s,filter .15s}
.btn-primary{background:var(--accent);color:var(--accent-text);
  box-shadow:0 1px 2px rgba(0,0,0,.2),0 0 26px color-mix(in srgb,var(--accent) 26%,transparent)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);
  box-shadow:0 3px 8px rgba(0,0,0,.25),0 0 38px color-mix(in srgb,var(--accent) 38%,transparent)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--mute);background:color-mix(in srgb,var(--panel) 72%,transparent)}

/* ---- ticks divider ---- */
.ticks{display:flex;justify-content:center;gap:5px;height:16px;align-items:flex-end;opacity:.5}
.ticks span{width:2px;background:var(--mute);border-radius:1px}
.ticks span:nth-child(3n){height:16px;background:var(--accent);opacity:.8}
.ticks span:not(:nth-child(3n)){height:9px}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:44px 0 50px}
.footer-inner{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:flex-start}
.footer-links{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.footer-links a{text-decoration:none;color:var(--dim);font-size:13.5px}
.footer-links a:hover{color:var(--text)}
.footer-meta{font-size:12.5px;color:var(--mute);line-height:1.7}
.footer-meta strong{color:var(--dim)}
.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);
  text-align:center;font-size:12.5px;color:var(--mute)}

/* ---- simple content page shell (legal / help / download) ---- */
.page-hero{padding:76px 0 8px;text-align:center}
.page-hero .kicker{display:block;margin-bottom:10px}
.page-hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-.03em;
              line-height:1.1;margin:0 0 16px}
.page-hero .lede{max-width:60ch;margin:0 auto;color:var(--dim);font-size:17px;line-height:1.65}
.page-hero .lede strong{color:var(--text)}

.prose{max-width:70ch;margin:0 auto;padding:48px 0 96px}
.prose h2{font-size:22px;font-weight:750;letter-spacing:-.01em;margin:44px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--dim);font-size:15.5px;line-height:1.7;margin:0 0 16px}
.prose ul{color:var(--dim);font-size:15.5px;line-height:1.7;padding-left:22px;margin:0 0 16px}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--accent)}
.prose strong{color:var(--text)}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.prose code{font-family:var(--mono);font-size:13.5px;background:var(--line-soft);
            padding:2px 6px;border-radius:5px;color:var(--text)}
.prose .meta{font-family:var(--mono);font-size:12px;color:var(--mute);
             text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}

.roadmap-badge{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--mute);border:1px solid var(--line);border-radius:999px;
  padding:3px 10px;vertical-align:middle}

/* ---- help: landing page card grid ---- */
.help-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:40px auto 96px;
  max-width:820px;padding:0 24px}
.help-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px;
  text-decoration:none;color:var(--text);transition:transform .15s ease,border-color .15s ease;
  display:flex;flex-direction:column;gap:8px}
.help-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.help-card .n{font-family:var(--mono);font-size:11px;color:var(--accent)}
.help-card h2{font-size:16.5px;font-weight:700;margin:0}
.help-card p{font-size:13.5px;color:var(--dim);margin:0;line-height:1.55}
@media (max-width:640px){.help-card-grid{grid-template-columns:1fr}}

/* ---- help: subpage sidebar + prose layout ---- */
.help-layout{max-width:960px;margin:0 auto;padding:0 24px 30px;display:grid;
  grid-template-columns:200px minmax(0,1fr);gap:56px;align-items:start}
.help-side{position:sticky;top:84px;display:flex;flex-direction:column;gap:2px}
.help-side a{font-size:14px;color:var(--dim);text-decoration:none;padding:8px 12px;
  border-radius:8px;border-left:2px solid transparent;transition:color .15s,background .15s}
.help-side a:hover{color:var(--text);background:color-mix(in srgb,var(--panel) 60%,transparent)}
.help-side a.active{color:var(--accent);border-left-color:var(--accent);font-weight:600;
  background:color-mix(in srgb,var(--accent) 8%,transparent)}
.help-layout .prose{max-width:62ch;margin:0;padding:0 0 20px}
@media (max-width:820px){
  .help-layout{grid-template-columns:1fr}
  .help-side{position:static;flex-direction:row;flex-wrap:wrap;gap:8px;
    border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:12px}
  .help-side a{border:1px solid var(--line);border-radius:999px;font-family:var(--mono);
    font-size:11px;text-transform:uppercase;letter-spacing:.04em;padding:7px 13px}
  .help-side a.active{border-color:var(--accent);background:transparent}
}
.help-prev-next{display:flex;justify-content:space-between;gap:16px;margin:0 auto 90px;
  padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;max-width:960px;padding-left:24px;
  padding-right:24px}
.help-prev-next a{display:flex;flex-direction:column;gap:4px;text-decoration:none;
  padding:14px 18px;border:1px solid var(--line);border-radius:12px;max-width:260px;
  color:var(--text);transition:border-color .15s}
.help-prev-next a:hover{border-color:var(--mute)}
.help-prev-next .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--mute)}
.help-prev-next .next{margin-left:auto;text-align:right;align-items:flex-end}