:root {
  --paper: #FBFAF7;
  --ink: #12151C;
  --muted: #5B6472;
  --line: #E4E1D9;
  --card: #FFFFFF;
  --accent: #2F4BE0;
  --accent-soft: #EAEDFB;
  --brass: #B08D2E;
  --shadow: 0 1px 2px rgba(18,21,28,.04), 0 12px 32px rgba(18,21,28,.06);
  --maxw: 1080px;
  --readw: 720px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E1117; --ink: #ECEEF2; --muted: #99A2B2; --line: #232936;
    --card: #161B24; --accent: #7B92FF; --accent-soft: #1B2236; --brass: #D9B65A;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 14px 40px rgba(0,0,0,.45);
  }
}
:root[data-theme="light"] {
  --paper: #FBFAF7; --ink: #12151C; --muted: #5B6472; --line: #E4E1D9;
  --card: #FFFFFF; --accent: #2F4BE0; --accent-soft: #EAEDFB; --brass: #B08D2E;
  --shadow: 0 1px 2px rgba(18,21,28,.04), 0 12px 32px rgba(18,21,28,.06);
}
:root[data-theme="dark"] {
  --paper: #0E1117; --ink: #ECEEF2; --muted: #99A2B2; --line: #232936;
  --card: #161B24; --accent: #7B92FF; --accent-soft: #1B2236; --brass: #D9B65A;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 14px 40px rgba(0,0,0,.45);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.read { max-width: var(--readw); margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); font-size: 17px; }
.brand:hover { text-decoration: none; }
.mark { width: 28px; height: 28px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; flex: 0 0 auto; }
.mark svg { width: 17px; height: 17px; display: block; }
.brand em { font-style: normal; color: var(--muted); font-weight: 500; }
nav.links { display: flex; gap: 26px; font-size: 15px; }
nav.links a { color: var(--muted); font-weight: 500; }
nav.links a:hover { color: var(--ink); text-decoration: none; }
@media (max-width: 560px) { nav.links { display: none; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brass); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--muted); }

.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

/* Footer */
footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 40px 0 56px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: flex-start; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.foot .legal { color: var(--muted); font-size: 14px; max-width: 42ch; }
.foot nav { display: flex; flex-direction: column; gap: 9px; font-size: 15px; }
.foot nav a { color: var(--muted); }
.foot nav a:hover { color: var(--ink); text-decoration: none; }
.foot .contact { font-size: 15px; }
.foot .contact a { font-weight: 600; }

/* Document (privacy / support) pages */
.doc { padding: 64px 0 8px; }
.doc h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 2.9rem); line-height: 1.08; letter-spacing: -.015em;
  text-wrap: balance; margin: 18px 0 0;
}
.doc .updated { color: var(--muted); font-size: 14.5px; margin-top: 14px; }
.doc h2 {
  font-family: var(--serif); font-weight: 600; font-size: 1.4rem; letter-spacing: -.01em;
  margin: 44px 0 4px; padding-top: 4px;
}
.doc h3 { font-size: 1.05rem; font-weight: 600; margin: 26px 0 4px; }
.doc p, .doc li { color: var(--ink); }
.doc p { margin: 12px 0; }
.doc .lead { color: var(--muted); font-size: 1.12rem; margin-top: 20px; }
.doc ul { margin: 12px 0; padding-left: 22px; }
.doc li { margin: 7px 0; }
.doc strong { font-weight: 600; }
.doc .callout {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 22px; margin: 22px 0; box-shadow: var(--shadow);
}
.doc .callout p { margin: 0; color: var(--muted); }
.doc .callout p strong { color: var(--ink); }
.backlink { display: inline-flex; align-items: center; gap: 6px; font-size: 14.5px; font-weight: 500; color: var(--muted); }
.backlink:hover { color: var(--ink); text-decoration: none; }