:root {
  --indigo: #5957e6;
  --indigo-dark: #4746c4;
  --ink: #1a1a2e;
  --muted: #5b5b6b;
  --line: #e6e6ef;
  --bg: #ffffff;
  --soft: #f6f6fb;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}
header.site .inner {
  max-width: 720px; margin: 0 auto; padding: 18px 20px;
  display: flex; align-items: center; gap: 12px;
}
.logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--indigo), #7c7bf0);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px;
  flex: 0 0 auto;
}
.brand { font-weight: 700; font-size: 17px; }
.brand small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
h1 { font-size: 30px; line-height: 1.25; margin: 8px 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 20px; margin: 34px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); }
.eyebrow { color: var(--indigo); font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.updated { color: var(--muted); font-size: 14px; margin-top: 2px; }
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
.card {
  border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0;
  background: var(--soft);
}
.lead { font-size: 19px; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.foot {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 14px; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.foot a { color: var(--muted); }
.langswitch { font-size: 14px; margin-top: 14px; }
.btn {
  display: inline-block; background: var(--indigo); color: #fff !important;
  padding: 12px 22px; border-radius: 12px; font-weight: 600; text-decoration: none !important;
}
.btn:hover { background: var(--indigo-dark); }
.hero-badges { display: grid; gap: 10px; margin: 24px 0; }
.feat { display: flex; gap: 12px; align-items: flex-start; margin: 14px 0; }
.feat .ic { font-size: 22px; flex: 0 0 auto; }
.grid { display: grid; grid-template-columns: 1fr; gap: 4px; }
@media (min-width: 600px) { .grid { grid-template-columns: 1fr 1fr; gap: 20px; } }
code { background: #edecfa; padding: 2px 6px; border-radius: 6px; font-size: 14px; }