:root {
  --bg: #0d0a1f;
  --surface: #17132e;
  --outline: #2f2858;
  --text: #f7f5ff;
  --muted: #a9a3cc;
  --pink: #ff3d7f;
  --orange: #ff8a3d;
  --violet: #7c5cff;
  --cyan: #22d3ee;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgb(255 61 127 / 0.45), transparent 45%),
    radial-gradient(circle at 95% 45%, rgb(124 92 255 / 0.45), transparent 45%),
    radial-gradient(circle at 20% 95%, rgb(34 211 238 / 0.35), transparent 45%),
    var(--bg);
}

.card {
  width: 100%;
  max-width: 440px;
  padding: 36px 28px;
  border-radius: 28px;
  background: rgb(23 19 46 / 0.85);
  border: 1.5px solid var(--outline);
  text-align: center;
}

.card.wide { max-width: 720px; text-align: left; }

.logo { font-size: 56px; }

h1 { font-size: 28px; margin: 12px 0 8px; letter-spacing: -0.5px; }
h2 { font-size: 20px; margin-top: 28px; }

p, li { line-height: 1.55; }

.muted { color: var(--muted); }
.small { font-size: 14px; }

.code {
  margin: 4px 0 24px;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 8px;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.button {
  display: block;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--pink), var(--orange));
  box-shadow: 0 6px 0 #c2185b;
  color: white;
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  margin-bottom: 20px;
}

.button:active { transform: translateY(6px); box-shadow: none; }

a { color: var(--cyan); }

.languages {
  max-width: 440px;
  margin-top: 20px;
  padding: 0 8px;
  text-align: center;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.languages a { color: var(--muted); text-decoration: none; }
.languages b { color: var(--text); }