:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #02040b;
  color: #f7fbff;
  --cyan: #39e8ff;
  --pink: #ff278c;
  --muted: #a6b1c4;
  --panel: rgba(9, 22, 38, 0.88);
  --line: rgba(57, 232, 255, 0.22);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(12, 117, 180, 0.24), transparent 36rem),
    radial-gradient(circle at 85% 75%, rgba(190, 15, 111, 0.18), transparent 32rem),
    #02040b;
}

main {
  width: min(780px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 80px;
}

.eyebrow {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

h1 {
  margin: 12px 0 16px;
  font-size: clamp(2.5rem, 9vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
}

h2 { margin-top: 0; }

p, li {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

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

.lead {
  max-width: 620px;
  font-size: 1.2rem;
}

.panel {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.28);
}

.button {
  display: inline-block;
  margin-top: 10px;
  padding: 13px 18px;
  border-radius: 999px;
  background: var(--cyan);
  color: #001117;
  font-weight: 800;
  text-decoration: none;
}

nav, footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 36px;
  color: var(--muted);
}

nav a, footer a { text-decoration: none; }

strong { color: #fff; }

@media (max-width: 520px) {
  main { padding-top: 44px; }
  .panel { padding: 20px; }
}