* { box-sizing: border-box; }
:root {
  color-scheme: dark;
  --bg: #07100d;
  --card: rgba(13, 31, 25, 0.82);
  --text: #ecfff8;
  --muted: #9fc9bc;
  --accent: #6ee7b7;
  --line: rgba(110, 231, 183, 0.28);
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(110, 231, 183, 0.24), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.14), transparent 28rem),
    var(--bg);
  color: var(--text);
}
.card {
  width: min(92vw, 680px);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, var(--card), rgba(6, 17, 14, 0.9));
  box-shadow: 0 24px 80px rgba(0,0,0,.38);
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 700;
}
h1 {
  margin: 0;
  font-size: clamp(2.8rem, 9vw, 6rem);
  line-height: .94;
  letter-spacing: -0.07em;
}
.lead {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.3vw, 1.35rem);
  line-height: 1.55;
}
.meta {
  margin: 2rem 0 0;
  color: #d5fff1;
  font-size: .95rem;
}