:root {
  --ink: #16181d;
  --muted: #5b6270;
  --line: #e3e6ec;
  --bg: #ffffff;
  --panel: #fafbfc;
  --accent: #1f4fd8;
  --measure: 68ch;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 Georgia, "Iowan Old Style", "Times New Roman", serif;
}

.site-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 700; text-decoration: none; color: var(--ink); }

nav { display: flex; gap: 1.1rem; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.94rem; }
nav a:hover { color: var(--accent); }
nav .lang { border: 1px solid var(--line); padding: 0.1rem 0.45rem; border-radius: 3px; }

main { max-width: var(--measure); margin: 0 auto; padding: 2.2rem 1.4rem 3rem; }

h1 { font-size: 1.95rem; line-height: 1.25; margin: 0 0 0.6rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.5rem; }

.lede { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.8rem; }

.order {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.2rem 1.3rem;
  background: var(--panel);
}

.cta {
  display: inline-block;
  margin-top: 0.7rem;
  padding: 0.6rem 1.1rem;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
}

.grid {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}
.grid a { color: var(--accent); text-decoration: none; }
.grid a:hover { text-decoration: underline; }

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 1.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.fine { max-width: var(--measure); }

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eaef;
    --muted: #9aa3b2;
    --line: #2a2f3a;
    --bg: #14161b;
    --panel: #191c22;
    --accent: #7aa2ff;
  }
}

.crumbs { max-width: var(--measure); margin: 0 auto; padding: 0.9rem 1.4rem 0;
  font-size: 0.85rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs span[aria-hidden] { margin: 0 0.4rem; }

.faq .qa { border-top: 1px solid var(--line); padding-top: 0.9rem; margin-top: 0.9rem; }
.faq h3 { font-size: 1rem; margin: 0 0 0.35rem; }
.faq p { margin: 0; color: var(--muted); }

.updated { margin-top: 2.4rem; font-size: 0.82rem; color: var(--muted); }

/* atomic facts — short standalone claims an answer engine can lift verbatim */
.facts { border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--panel);
  padding: 14px 18px; margin: 22px 0; }
.facts h2 { margin: 0 0 8px; font-size: 0.78rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.facts ul { margin: 0; padding-left: 1.1rem; }
.facts li { margin-bottom: 0.45rem; }

/* long-form guides */
.guide .lede { font-size: 1.15rem; line-height: 1.65; }
.toc { border: 1px solid var(--line); background: var(--panel); padding: 0.8rem 1.2rem; margin: 1.4rem 0; }
.toc-t { margin: 0 0 0.4rem; font-size: 0.75rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.toc ol { margin: 0; padding-left: 1.2rem; } .toc li { margin-bottom: 0.25rem; }
.pts { margin: 0.7rem 0 1rem; padding-left: 1.2rem; } .pts li { margin-bottom: 0.4rem; }