/* The site's one header and footer (worker/src/chrome.ts), on the landing, /ai, the legal pages and every content
   page. They use the colour tokens both landing.css and engine.css define, so they follow light and dark on each. */
:is(.topbar,.sitefoot) .mark{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:9px}
:is(.topbar,.sitefoot) .mark i{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-style:normal;font-size:14px;
  background:linear-gradient(135deg,var(--accent),var(--blue));color:var(--bg)}
:is(.topbar,.sitefoot) .mark b{font-weight:inherit} :is(.topbar,.sitefoot) .mark span{color:var(--accent)}

/* header: the mark, Sign in and Install free; on wide screens it stays at the top, with a border once the page
   scrolls (chrome.js) */
.topbar{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.5}
.topbar .top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 16px;max-width:1080px;margin:0 auto}
.topbar .signin{color:var(--faint);font-size:15px;text-decoration:none;padding:8px 0;margin-left:auto}
.topbar .signin:hover{color:var(--ink)}
.topbar .navbtn{display:inline-block;text-underline-offset:0;font-size:15px;font-weight:700;text-decoration:none;color:var(--bg);background:var(--accent);
  border-radius:10px;padding:8px 14px;white-space:nowrap}
@media (min-width:600px){
  .topbar .top{padding:14px 24px}
  .topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 82%,transparent);
    -webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);border-bottom:1px solid transparent;transition:border-color .2s}
  .topbar.stuck{border-bottom-color:var(--line)}
}

/* footer */
.sitefoot{border-top:1px solid var(--line);background:var(--panel);color:var(--faint);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;text-align:left}
.sitefoot .in{max-width:1080px;margin:0 auto;padding:44px 16px 32px;display:grid;gap:32px 20px;grid-template-columns:1fr 1fr}
.sitefoot .brand{grid-column:1/-1}
.sitefoot .mark{display:inline-flex;font-size:17px}
.sitefoot .mark i{width:24px;height:24px;border-radius:7px;font-size:13px}
.sitefoot .brand p{margin:12px 0 0;max-width:300px;color:var(--dim);font-size:14.5px}
.sitefoot .h{margin:0 0 12px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.sitefoot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.sitefoot a{color:var(--dim);text-decoration:none;transition:color .15s}
.sitefoot a:hover{color:var(--ink)}
.sitefoot .mark:hover{color:var(--ink)}
.sitefoot .base{width:calc(100% - 32px);max-width:1048px;margin:0 auto;padding:18px 0 28px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:6px 16px;flex-wrap:wrap;font-size:13.5px}
@media (min-width:860px){
  .sitefoot .in{grid-template-columns:1.5fr repeat(4,1fr);padding-top:52px}
  .sitefoot .brand{grid-column:auto}
}
@media print{.sitefoot,.topbar{display:none}}