:root {
  --bg: #070912; --bg2: #0d1120; --panel: #121829; --line: #222a40;
  --text: #e8eaf1; --muted: #9ba3b8; --accent: #8fb0ff; --accent2: #c7d5ff;
  --ok: #6fd3a0; --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); background: var(--bg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }
code, pre { font-family: var(--mono); font-size: .88em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Night sky: layered dots, no images, no scripts. */
.sky {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1px 1px at 12% 18%, #fff9 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 62%, #fff7 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 44% 30%, #fffb 50%, transparent 51%),
    radial-gradient(1px 1px at 61% 12%, #fff8 50%, transparent 51%),
    radial-gradient(1px 1px at 73% 48%, #fff6 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 86% 22%, #fffa 50%, transparent 51%),
    radial-gradient(1px 1px at 92% 70%, #fff7 50%, transparent 51%),
    radial-gradient(1px 1px at 6% 82%, #fff6 50%, transparent 51%),
    radial-gradient(1px 1px at 52% 84%, #fff5 50%, transparent 51%),
    radial-gradient(1px 1px at 36% 8%, #fff8 50%, transparent 51%),
    radial-gradient(1200px 600px at 75% -10%, #1b2550 0%, transparent 60%),
    linear-gradient(180deg, #070912 0%, #0a0e1c 100%);
}
header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; letter-spacing: .01em; }
nav { display: flex; gap: 24px; font-size: 15px; }
nav a { color: var(--muted); }
nav a:hover { color: var(--text); }

.hero { padding: 72px 0 96px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: .14em; color: var(--accent); text-transform: uppercase; }
h1 { font-size: clamp(42px, 6vw, 68px); line-height: 1.02; margin: 14px 0 18px; letter-spacing: -.02em; }
.lede { font-size: 20px; color: var(--muted); max-width: 34ch; margin: 0 0 30px; }
.acronym { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 26px; }
.acronym b { color: var(--accent2); font-weight: 600; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 16px; }
.btn.primary { background: var(--accent); color: #070912; }
.btn.primary:hover { background: var(--accent2); color: #070912; }
.btn.ghost { border: 1px solid var(--line); color: var(--text); background: #ffffff06; }
.btn.ghost:hover { border-color: var(--accent); }

/* Chat illustration: the real answer and sources from a test run against Wikivoyage. */
.demo { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 30px 80px #0008; overflow: hidden; }
.demo .bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: #0e1322; }
.demo .bar i { width: 11px; height: 11px; border-radius: 50%; background: #2a3350; display: block; }
.demo .bar span { margin-left: 10px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.demo .body { padding: 20px; display: flex; flex-direction: column; gap: 12px; font-size: 15px; }
.msg { padding: 11px 14px; border-radius: 12px; line-height: 1.5; }
.msg.user { align-self: flex-end; background: #253056; max-width: 85%; }
.msg.bot { background: #0e1424; border: 1px solid var(--line); }
.sources { font-size: 13px; color: var(--muted); }
.sources a { margin-right: 10px; white-space: nowrap; }
.offline { font-family: var(--mono); font-size: 12px; color: var(--ok); display: flex; align-items: center; gap: 8px; }
.offline::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }

section { padding: 88px 0; border-top: 1px solid #ffffff0d; }
h2 { font-size: clamp(28px, 3.6vw, 38px); margin: 0 0 14px; letter-spacing: -.01em; }
.sub { color: var(--muted); max-width: 60ch; margin: 0 0 40px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .k { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }

.promises { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 40px; list-style: none; padding: 0; margin: 0; }
.promises li { padding-left: 30px; position: relative; }
.promises li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 700; }
.promises b { display: block; }
.promises span { color: var(--muted); font-size: 15px; }

pre.term { background: #05070e; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; overflow-x: auto; line-height: 1.75; margin: 0; }
pre.term .c { color: #5f6880; }
pre.term .p { color: var(--accent); user-select: none; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.note { color: var(--muted); font-size: 15px; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
td code { color: var(--accent2); }
.tablewrap { overflow-x: auto; }

footer { padding: 48px 0 64px; color: var(--muted); font-size: 14px; border-top: 1px solid #ffffff0d; }
footer .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer p { margin: 6px 0; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding: 40px 0 64px; gap: 40px; }
  .grid3, .promises, .two { grid-template-columns: 1fr; }
  nav { gap: 16px; }
  nav .hide-sm { display: none; }
  section { padding: 64px 0; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  body { font-size: 16px; }
  .lede { font-size: 18px; }
}

/* Inner pages: guides, radio, tips, download */
.page { max-width: 820px; margin: 0 auto; padding: 40px 24px 72px; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--text); }
.prose h1 { font-size: clamp(32px, 4.5vw, 44px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -.01em; }
.prose h2 { font-size: 24px; margin: 38px 0 12px; }
.prose h3 { font-size: 19px; margin: 26px 0 8px; }
.prose p, .prose li { color: #d3d7e2; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--text); }
.prose code { background: var(--panel); padding: 1px 6px; border-radius: 6px; }
.prose blockquote { margin: 20px 0; padding: 14px 18px; border-left: 4px solid #f0b44c; background: #1a1709; border-radius: 0 12px 12px 0; }
.prose blockquote p, .prose blockquote li { color: #f3e6c4; }
.prose .table { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--panel); color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.prose tr:last-child td { border-bottom: 0; }
.cta { margin-top: 44px; padding: 20px 22px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); }
.cta b { display: block; font-size: 17px; margin-bottom: 4px; }
.cta p { margin: 0 0 12px; color: var(--muted); }
.list { display: grid; gap: 12px; margin-top: 24px; }
.list a.card { display: block; color: var(--text); }
.list a.card:hover { border-color: var(--accent); }
.list a.card span { display: block; color: var(--muted); font-size: 15px; margin-top: 4px; }
.tip { margin: 0; }
.tip h3 { margin: 0 0 8px; font-size: 18px; }
.tip p { margin: 0 0 10px; color: var(--muted); }
.note-warn { padding: 12px 16px; border-radius: 12px; background: #1a1709; border: 1px solid #4a3a10; color: #f3e6c4; font-size: 15px; }

/* Licence and non-affiliation note in the footer. */
.legal { margin-top: 28px; font-size: 12px; }