/* ============================================================
   Shared design tokens + base/nav/footer styles for sub-pages
   (e.g. a future /help). 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 to match.
   ============================================================ */

:root{
  --bg:#0b0d10; --panel:#14171b; --line:#262b31; --line-soft:#1a1e23;
  --text:#f3f5f7; --dim:#a6adb5; --mute:#6b7480;
  --accent:#2dd4bf; --accent-text:#04211d; --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:#fafbfc; --panel:#ffffff; --line:#e3e6ea; --line-soft:#eef1f3;
    --text:#12161b; --dim:#545c66; --mute:#8890a0;
    --accent:#0f766e; --accent-text:#ffffff; --warn:#c98a00;
    color-scheme: light;
  }
}
:root[data-theme="light"]{
  --bg:#fafbfc; --panel:#ffffff; --line:#e3e6ea; --line-soft:#eef1f3;
  --text:#12161b; --dim:#545c66; --mute:#8890a0;
  --accent:#0f766e; --accent-text:#ffffff; --warn:#c98a00;
  color-scheme: light;
}
:root[data-theme="dark"]{
  --bg:#0b0d10; --panel:#14171b; --line:#262b31; --line-soft:#1a1e23;
  --text:#f3f5f7; --dim:#a6adb5; --mute:#6b7480;
  --accent:#2dd4bf; --accent-text:#04211d; --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}
.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}
}
@media (max-width:480px){
  .nav-inner{padding:0 10px;gap:5px}
  .wordmark{font-size:13px;gap:5px}
  .wordmark img{width:20px;height:20px}
  .theme-toggle{width:26px;height:26px;border-radius:7px}
  .theme-toggle svg{width:13px;height:13px}
}

/* ---- 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)}

/* ---- 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)}

/* ---- 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}

/* ---- sub-page hero (download, changelog) ---- */
.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;
  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 (changelog) ---- */
.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}

/* ---- download card + iOS "it's a Mac app" sheet ---- */
.download-card{max-width:480px;margin:36px auto 0;border:1px solid var(--line);border-radius:14px;
  background:var(--panel);padding:32px;text-align:center}
.download-card .mono{display:block;font-size:13px;color:var(--dim);margin-bottom:20px}
.known-issue{max-width:480px;margin:20px auto 0;border:1px dashed color-mix(in srgb,var(--warn) 55%,var(--line));
  background:color-mix(in srgb,var(--warn) 8%,transparent);border-radius:12px;padding:14px 18px;
  font-size:13.5px;color:var(--dim);text-align:left}
.known-issue strong{color:var(--text)}
.dl-sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:200;
  display:flex;align-items:flex-end;justify-content:center}
.dl-sheet-backdrop[hidden]{display:none}
.dl-sheet{background:var(--panel);border:1px solid var(--line);border-bottom:none;
  border-radius:18px 18px 0 0;max-width:420px;width:100%;padding:26px 24px 28px}
.dl-sheet-title{font-size:19px;font-weight:800;margin:0 0 10px}
.dl-sheet-body{font-size:14.5px;color:var(--dim);line-height:1.6;margin:0 0 22px}
.dl-sheet-actions{display:flex;flex-direction:column;gap:10px}
.dl-sheet-actions .btn{width:100%;text-align:center;box-sizing:border-box;justify-content:center}
.dl-sheet-later{background:none;border:none;color:var(--mute);padding:10px;cursor:pointer;
  font-size:14px}
.dl-sheet-later:hover{color:var(--text)}
@media (min-width:600px){
  .dl-sheet-backdrop{align-items:center}
  .dl-sheet{border-radius:18px;border-bottom:1px solid var(--line)}
}