:root {
  color-scheme: dark;
  --bg: #0d0f16;
  --surface: #151821;
  --surface-2: #1b1f2b;
  --line: #2b3040;
  --primary: #7c7fff;
  --primary-2: #5b5fef;
  --text: #f5f6fc;
  --muted: #a7acbd;
  --success: #37c879;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% -8%, rgba(124, 127, 255, .28), transparent 35rem),
    radial-gradient(circle at 90% 18%, rgba(55, 200, 121, .10), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: white;
  font-size: 18px;
  font-weight: 900;
  text-decoration: none;
}

.brand img { border-radius: 12px; }

.web-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.web-link:hover { color: white; }

main {
  width: min(1120px, calc(100% - 40px));
  margin: 36px auto 76px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  align-items: center;
  gap: clamp(34px, 8vw, 90px);
  padding: clamp(30px, 7vw, 76px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(124, 127, 255, .15), rgba(21, 24, 33, .96) 52%);
  box-shadow: 0 34px 100px rgba(0, 0, 0, .34);
}

.eyebrow {
  margin: 0 0 14px;
  color: #aeb0ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(42px, 7vw, 74px);
  line-height: 1.02;
  letter-spacing: -.05em;
}

.lead {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.58;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 21px;
  border-radius: 15px;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: white; }
.button.secondary { border: 1px solid var(--line); background: rgba(255, 255, 255, .025); }
.button.secondary:hover { border-color: #4b5268; }

.version-note { margin: 15px 0 0; color: #858b9f; font-size: 12px; }

.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 27px;
  background: rgba(8, 10, 15, .58);
  text-align: center;
}

.qr-card img { width: min(230px, 100%); height: auto; border-radius: 20px; background: white; }
.qr-card strong { margin-top: 17px; font-size: 15px; }
.qr-card span { margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.45; }

.information {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.information article, .security {
  border: 1px solid var(--line);
  background: var(--surface);
}

.information article { padding: 24px; border-radius: 21px; }
.step { color: #aeb0ff; font-size: 12px; font-weight: 900; }
.information h2 { margin: 9px 0 7px; font-size: 18px; }
.information p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.security {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 16px;
  padding: 20px 22px;
  border-color: rgba(55, 200, 121, .28);
  border-radius: 19px;
}

.security div {
  display: grid;
  place-items: center;
  flex: 0 0 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(55, 200, 121, .14);
  color: var(--success);
  font-weight: 900;
}

.security p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.security strong { color: white; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
  color: #83899b;
  font-size: 12px;
}

footer span:last-child { display: flex; flex-wrap: wrap; gap: 17px; }
footer a { text-decoration: none; }
footer a:hover { color: white; }

@media (max-width: 760px) {
  main { margin-top: 16px; }
  .hero { grid-template-columns: 1fr; padding: 30px 24px; }
  .qr-card { display: none; }
  .information { grid-template-columns: 1fr; }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  footer { flex-direction: column; }
}