:root {
  --blue: #3B73EA; --violet: #8C52EF; --sky: #76CBF9; --lavender: #C4A3F9;
  --bg: #F5F6FB; --card: #FFFFFF; --text: #24213A; --muted: #5F5A7A;
  --line: #E4E2F0; --title: #594D93; --link: #3B73EA;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12121C; --card: #1C1C2B; --text: #ECEAF6; --muted: #A9A5C2;
    --line: #2C2B40; --title: #C4A3F9; --link: #76CBF9;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; }
header .wrap { padding-top: 22px; padding-bottom: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { color: #fff; font-size: 28px; font-weight: 800; letter-spacing: -0.5px; text-decoration: none; }
.lang { color: #fff; opacity: .9; font-size: 15px; }
.lang a { color: #fff; }
.hero { background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; padding: 8px 0 48px; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.15; margin: 10px 0 14px; letter-spacing: -0.5px; }
.hero p.lead { font-size: 19px; max-width: 640px; opacity: .95; margin: 0 0 22px; }
.pills { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pills li { background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; padding: 6px 14px; font-size: 15px; margin: 0; }
main .wrap { padding-bottom: 32px; }
h1 { font-size: 26px; line-height: 1.25; margin: 28px 0 10px; }
h2 { font-size: 22px; line-height: 1.3; color: var(--title); margin: 40px 0 10px; }
h3 { font-size: 17px; line-height: 1.35; margin: 22px 0 4px; }
p, ul, ol { margin: 8px 0; }
li { margin: 4px 0; }
a { color: var(--link); }
.muted { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 14px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 14px 0; }
.grid .card { margin: 0; }
.grid h3 { margin-top: 2px; color: var(--title); }
.grid ul { padding-left: 18px; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 44px; margin: 14px 0; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 2px; }
.note { border-left: 4px solid var(--lavender); padding: 4px 0 4px 14px; color: var(--muted); }
.links { margin: 32px 0 0; }
.links a { display: inline-block; margin: 0 18px 8px 0; }
footer { border-top: 1px solid var(--line); }
footer .wrap { padding-top: 20px; padding-bottom: 40px; color: var(--muted); font-size: 14px; }