:root {
  --bg: #1a1a2e;
  --card: #1e1e32;
  --text: #e0e0e0;
  --muted: #8a8aa0;
  --link: #7aa8ff;
  --border: #333344;
  --accent: #5577cc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.brand a { color: inherit; }

nav.primary {
  display: flex;
  gap: 18px;
  font-size: 14px;
}
nav.primary a { color: var(--muted); }
nav.primary a.active,
nav.primary a:hover { color: var(--text); }

.lang {
  display: flex;
  gap: 4px;
  font-size: 12px;
}
.lang a {
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
}
.lang a.active {
  background: #2a2a4a;
  color: var(--text);
  border-color: var(--accent);
}

h1 {
  font-size: 28px;
  margin: 0 0 12px;
}
h2 {
  font-size: 20px;
  margin: 28px 0 10px;
}
p { margin: 0 0 14px; }

ul { padding-left: 22px; margin: 0 0 14px; }
li { margin-bottom: 4px; }

.lead {
  font-size: 17px;
  color: #cfcfdf;
  margin-bottom: 24px;
}

.download-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin: 24px 0;
  text-align: center;
}

.btn-download {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 6px;
  margin: 8px 0 4px;
}
.btn-download:hover {
  background: #6688dd;
  text-decoration: none;
}

.version {
  color: var(--muted);
  font-size: 13px;
  margin-top: 6px;
}

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 16px;
  font-size: 13px;
  color: var(--muted);
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }

/* Root language picker */
.picker {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}
.picker h1 { font-size: 26px; margin-bottom: 32px; }
.picker .choices {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.picker .choices a {
  display: block;
  padding: 18px 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 18px;
  min-width: 140px;
}
.picker .choices a:hover {
  background: #2a2a4a;
  border-color: var(--accent);
  text-decoration: none;
}